Deserts
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Deserts
Deserts are ecosystems defined primarily by limited precipitation and water availability rather than simply by high temperatures. They occur on every continent and include hot subtropical deserts, cold deserts, coastal deserts, high-elevation deserts, and rain-shadow environments. Although deserts are often portrayed as barren landscapes, they can support remarkably diverse communities of plants, animals, microorganisms, and specialized habitats. Desert organisms survive through physiological, behavioral, and structural adaptations to drought, intense sunlight, temperature extremes, unpredictable rainfall, and limited surface water.
Desert Ecosystems and Biodiversity
Desert ecosystems are shaped by interactions among precipitation, evaporation, temperature, soils, elevation, geology, and the timing of rainfall. Water scarcity limits biological productivity, but it does not eliminate biodiversity. Some deserts contain substantial numbers of endemic plants and animals, while seasonal rains can produce dramatic bursts of biological activity.
Desert vegetation ranges from cacti, succulents, shrubs, grasses, and annual wildflowers to trees and high-elevation woodlands. Animals include reptiles, mammals, birds, amphibians, fishes, insects, and other invertebrates. Microorganisms also play essential roles in desert soils and nutrient cycles.
Drylands collectively occupy an enormous portion of Earth's terrestrial surface and provide ecosystem services, genetic resources, grazing lands, agricultural resources, wildlife habitat, and livelihoods for human communities.
Major Deserts of North America
North America contains several major desert systems, particularly the Mojave, Sonoran, Chihuahuan, and Great Basin deserts. Differences in elevation, seasonal rainfall, temperature, geology, and geography create distinctive ecological communities within each.
The Mojave Desert is strongly associated with Joshua trees and includes landscapes ranging from extremely dry valleys to mountains and groundwater-dependent springs. Joshua Tree National Park lies near the convergence of Mojave and Colorado Desert ecosystems, producing substantial ecological and geological diversity.
The Sonoran Desert is among North America's biologically richest deserts. Its characteristic vegetation includes the giant saguaro cactus, while summer monsoons and winter rainfall contribute to unusually diverse plant and animal communities.
The Chihuahuan Desert extends across portions of Mexico and the southwestern United States. It supports extensive cactus diversity, grasslands, mountains, freshwater habitats, and numerous vertebrate species. Water extraction, agriculture, urban development, and climate change increasingly affect its rivers and groundwater systems.
Death Valley represents one of North America's most extreme desert environments. Despite exceptional heat and aridity, its enormous elevation range supports more than a thousand plant species as well as mammals, reptiles, birds, invertebrates, and highly specialized desert fishes.
Sahara and Sahel
The Sahara is the world's largest hot desert and has undergone dramatic climatic changes over geological and human history. Evidence indicates that portions of today's Sahara repeatedly became much wetter and greener as changes in Earth's orbital cycles altered African rainfall patterns.
The Sahara and neighboring Sahel contain specialized desert and dryland biodiversity despite their severe environmental conditions. Climate change, land degradation, grazing, agriculture, water availability, and human settlement all influence these ecosystems.
Saharan dust is also globally important. Huge quantities of mineral particles can be lifted into the atmosphere and transported across the Mediterranean, Atlantic Ocean, and other regions. Desert dust can influence climate, clouds, ocean ecosystems, soils, air quality, and nutrient cycles thousands of kilometers from its source.
Namib and Southern African Deserts
The Namib is an exceptionally old coastal desert characterized by enormous dune systems, extreme aridity, and the ecological importance of coastal fog. Its specialized plants and animals have evolved strategies for obtaining water and surviving highly variable environmental conditions.
Namibia's desert landscapes also support desert-adapted elephants, rhinoceroses, giraffes, and other large animals. Community conservancies and protected areas have become important components of regional conservation.
The Richtersveld region near the southern Namib contains exceptional succulent plant biodiversity as well as longstanding pastoral traditions. Drought, mining, climate pressures, and habitat disturbance threaten some of its specialized species.
Atacama and South American Deserts
The Atacama Desert of Chile and Peru includes some of the driest environments on Earth. Despite extreme aridity, microorganisms, nematodes, specialized vegetation, and other organisms survive within its soils and isolated habitats.
Exceptional rainfall can periodically transform portions of the Atacama into spectacular flowering landscapes. Rivers crossing the desert also create narrow corridors where biological productivity and human settlement become possible.
Humans have occupied and exploited South America's deserts for thousands of years. Ancient societies developed irrigation, fertilization, and crop-management systems that allowed intensive agriculture in environments receiving extraordinarily little rainfall.
The Patagonian and Sechura deserts demonstrate the diversity of South American arid environments, ranging from cold rain-shadow landscapes to coastal deserts influenced by ocean circulation.
Asian Deserts
Asia contains enormous desert systems including the Gobi, Taklamakan, and the cold winter deserts of Central Asia. These environments support specialized vegetation, mammals, reptiles, migratory wildlife, and human communities adapted to severe continental climates.
The Gobi and Taklamakan are also major sources of atmospheric dust. Powerful storms can carry mineral particles across China and the Pacific Ocean, demonstrating how desert processes can influence environments far beyond desert boundaries.
Efforts to reduce land degradation and wind erosion in parts of Asia have included extensive vegetation restoration and tree-planting programs.
Desert Plant Adaptations
Desert plants use numerous strategies to survive limited and unpredictable water supplies. Succulents store water within stems or leaves, while many shrubs and trees develop extensive root systems capable of exploiting either shallow rainfall or deeper groundwater.
Small leaves, waxy surfaces, reflective tissues, spines, and reduced leaf area can limit water loss and heat absorption. Some plants remain dormant through long dry periods and rapidly germinate, flower, and reproduce following rainfall.
The saguaro cactus demonstrates extreme specialization for desert conditions through water storage, expandable tissues, extensive shallow roots, and slow growth. Joshua trees, creosote bushes, yuccas, grasses, and seasonal wildflowers represent other successful desert strategies.
Desert Animal Adaptations
Desert animals survive water scarcity and extreme temperatures through combinations of behavior, physiology, and habitat selection. Many avoid daytime heat by becoming nocturnal or spending much of the day inside burrows.
Desert tortoises use underground shelters and periods of reduced activity to withstand extreme temperatures and drought. Desert bighorn sheep travel through rugged terrain between scattered water sources, while Sonoran pronghorn survive exceptionally hot and dry environments.
Some of the most specialized desert animals occur in isolated springs and streams. Desert pupfish descended from populations once connected through much larger lakes and waterways during wetter prehistoric periods.
Desert Soils and Biological Soil Crusts
Desert soils may appear largely lifeless but often contain complex biological communities. Biological soil crusts consist of cyanobacteria, lichens, mosses, algae, fungi, and other microorganisms living at or immediately beneath the soil surface.
These communities can stabilize soils, reduce erosion, influence water movement, fix nutrients, and create conditions supporting larger plants. They are also vulnerable to trampling, vehicles, development, and other disturbances and may require long periods to recover.
Dryland soils are additionally significant in global carbon cycles. Because drylands cover such large areas, even relatively small changes in their carbon storage can have broader environmental consequences.
Desert Water and Oases
Water is the dominant ecological constraint in most deserts. Springs, seeps, rivers, washes, and groundwater systems therefore support disproportionately high concentrations of biological diversity.
Desert springs can function as ecological islands separated by vast expanses of dry habitat. Some support endemic fishes, plants, invertebrates, and other organisms found nowhere else.
Groundwater pumping and diversion can threaten these habitats even when surrounding desert landscapes appear largely undisturbed. Protecting desert biodiversity therefore frequently requires protecting underground water systems as well as visible surface habitats.
Desert Landforms, Dunes, and Dust
Deserts contain diverse geological landforms including sand dunes, playas, salt flats, rocky pavements, mountains, canyons, dry lakes, alluvial fans, and eroded rock formations.
Sand dunes form where sufficient loose sediment, persistent winds, and landscape barriers interact. Different wind regimes can create barchan, linear, star, transverse, and other dune forms. Some dune systems contain multiple generations and scales of dunes that record long-term environmental conditions.
Closed desert basins can accumulate salts as water evaporates, producing extensive salt flats and playas. Desert pavement develops when closely packed stones become concentrated at the surface, while desert varnish forms as thin dark mineral coatings slowly accumulate on exposed rocks.
Windblown desert dust links deserts with distant ecosystems. Dust transported across continents and oceans can affect snowmelt, soils, atmospheric chemistry, marine productivity, and climate.
Climate Change and Desert Ecology
Climate change can substantially alter desert ecosystems even though desert organisms are already adapted to environmental extremes. Increasing temperatures, changing precipitation patterns, prolonged drought, wildfire, invasive species, and altered water availability can exceed the tolerances of specialized organisms.
Research in the Mojave Desert has documented substantial changes in bird communities associated with declining precipitation. Long-lived Sonoran Desert plants have also shown responses to increasingly hot and dry conditions.
Climate projections indicate that suitable habitat for some Saharan and other desert species could decline significantly as temperatures rise. Joshua trees and other species with restricted climatic requirements may lose portions of their existing habitat.
Desertification and Land Degradation
Desertification is the degradation of drylands rather than simply the natural expansion of existing deserts. It can result from interactions among climate variability, overgrazing, deforestation, unsustainable agriculture, erosion, water depletion, salinization, and other forms of land misuse.
Land degradation can reduce vegetation, soil fertility, biodiversity, agricultural productivity, carbon storage, and the ability of landscapes to retain water. These effects can directly threaten communities whose livelihoods depend on livestock, farming, and natural resources.
Restoration strategies increasingly emphasize maintaining functioning ecosystems, native biodiversity, sustainable grazing, soil health, and water resources rather than treating drylands as empty landscapes requiring conversion into forests.
Desert Conservation
Conservation of desert ecosystems requires recognition that sparse vegetation does not mean low ecological value. Desert species often occur at low densities, depend on widely separated habitats, or possess narrow environmental tolerances.
Protected areas, wildlife corridors, groundwater management, biological-soil-crust protection, invasive-species control, sustainable grazing, ecological restoration, and long-term monitoring are important conservation strategies.
Renewable-energy development, mining, roads, urban expansion, recreation, agriculture, and water extraction can create difficult tradeoffs between human needs and desert biodiversity. Effective conservation therefore requires landscape-scale planning that considers ecological connectivity as well as individual protected areas.
Deserts, People, and the Global Environment
Human societies have lived in deserts and drylands for thousands of years. Pastoralism, irrigation agriculture, trade, mining, settlements, and cultural traditions demonstrate that deserts are not empty spaces but landscapes with substantial ecological, economic, and cultural importance.
Billions of people worldwide depend directly or indirectly on drylands for food, livestock, natural resources, and livelihoods. Sustainable management of these regions is therefore closely connected to biodiversity conservation, food security, water security, climate resilience, and economic development.
Deserts also influence the global environment far beyond their geographic boundaries. Atmospheric dust, carbon storage, climate interactions, migratory wildlife, and large-scale water and nutrient cycles connect desert ecosystems with oceans, forests, mountains, grasslands, and human communities around the world.
Conclusion
Deserts are complex and dynamic ecosystems shaped by water scarcity, climate, geology, soils, and evolutionary adaptation. From the Sahara and Namib to the Sonoran, Mojave, Chihuahuan, Atacama, Gobi, and Taklamakan, deserts support distinctive biological communities capable of surviving some of Earth's most demanding environmental conditions.
Their apparent harshness can obscure their vulnerability. Climate change, groundwater depletion, land degradation, invasive species, development, mining, and habitat fragmentation increasingly threaten desert biodiversity and the people who depend on drylands. Understanding deserts as functioning ecosystems rather than barren wastelands is therefore essential to conserving their biodiversity, water resources, landscapes, and ecological role in the global environment.
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Deserts
Desert Ecology and the Desert Biome
| National Geographic Society | National Geographic Education | 2026
Desert explains how low precipitation defines deserts and examines the specialized plants and animals that survive severe water scarcity.
| National Park Service | U.S. National Park Service | 2025-12-03
Deserts explains how low rainfall, high evaporation, extreme temperatures, winds, and specialized organisms characterize North America's major deserts.
| National Park Service | Natural Bridges National Monument | 2025-04-18
Deserts describes the Colorado Plateau as a high or cold desert with extreme daily temperature fluctuations and highly variable precipitation.
| National Geographic Society | National Geographic Education | 2025
Desert Biome introduces hot, semi-arid, coastal, and cold deserts and describes the characteristic soils, vegetation, and wildlife of each.
| National Geographic Society | National Geographic Education | 2025
Deserts Explained examines the remarkable biological adaptations that allow organisms to survive environments characterized by extreme aridity.
| National Park Service | U.S. National Park Service | 2025
Surviving in the Desert examines four broad strategies—escaping, resisting, tolerating, and evading drought—that allow organisms to persist in the arid Colorado Plateau.
| Arizona-Sonora Desert Museum | Arizona-Sonora Desert Museum | 2025
Sonoran Animal Diets illustrates desert food-web relationships among predators, herbivores, omnivores, scavengers, and decomposers.
| U.S. Geological Survey | USGS | 2022-09-26
Ecosystems We Study: Deserts describes biodiversity across the Mojave, Sonoran, Chihuahuan, and Great Basin deserts and the environmental pressures affecting them.
| National Park Service | Joshua Tree National Park | 2022
Deserts explains why annual rainfall alone does not define a desert and emphasizes evaporation, precipitation timing, and intense solar radiation.
| National Park Service | Grand Canyon-Parashant National Monument | 2020
Mohave Desert Scrub describes creosote, blackbrush, Joshua trees, cacti, wildflowers, and animals occupying extremely hot desert shrublands.
| Christina Nunez | National Geographic | 2019
Deserts, Explained shows that deserts are biologically rich ecosystems rather than barren wastelands and describes plant and animal adaptations to drought.
| Arizona-Sonora Desert Museum | Arizona-Sonora Desert Museum | 2019
Sonoran Desert Region Biodiversity explains how mountains, rivers, grasslands, desert scrub, and species migrating from Mexico create a biologically diverse landscape.
| National Park Service | U.S. National Park Service | 2018-02-13
Plants & Animals of the American Southwest examines vegetation, reptiles, mammals, birds, microorganisms, and the ecological importance of scarce water.
| National Park Service | U.S. National Park Service | 2017-09-22
Land of Extremes introduces American desert landscapes as biologically complex environments shaped by drought, heat, cold, and highly variable rainfall.
| National Park Service | U.S. National Park Service | 2016-10-03
Deserts describes the Sonoran, Chihuahuan, and Great Basin deserts and explains how scarcity of water determines their ecological character.
| U.S. Geological Survey | USGS | 2016-01-01
Deserts examines California's Great Basin, Mojave, and Colorado deserts and explains the importance of climate, geology, landforms, and soils.
| Avery Hurt | National Geographic Kids | 2016
Desert Habitat provides an accessible overview of desert rainfall, plants, animals, and survival strategies.
| University of Arizona | Desert Laboratory on Tumamoc Hill | 2013
Sonoran Desert provides an overview of one of North America's richest desert ecosystems and its characteristic plants and wildlife.
| IUCN | International Union for Conservation of Nature | 2012-09-09
Conserving Drylands Biodiversity argues that drylands deserve far more attention in global biodiversity and development policies.
| Arizona-Sonora Desert Museum | Arizona-Sonora Desert Museum | 2007
The Sonoran Desert introduces desert climate, water cycles, monsoons, plant adaptations, nocturnal animals, and the exceptional biodiversity of the region.
| National Park Service | Arches National Park | n.d.
Deserts explains how high-pressure systems, rain shadows, continental interiors, and coastal conditions create different kinds of deserts.
North American Deserts
| National Park Service | Lake Mead National Recreation Area | 2026-01-10
Deserts explores the Mojave, Sonoran, and Great Basin ecosystems that converge around Lake Mead and their remarkably varied plant and animal communities.
| National Park Service | Sonoran Desert Network | 2023
Sonoran Desert Network Ecosystems examines the exceptional ecological and landscape diversity of the Sonoran Desert region.
| National Park Service | Chihuahuan Desert Network | 2022
Chihuahuan Desert Ecoregion describes one of the Western Hemisphere's richest deserts, including thousands of plant species and exceptional cactus diversity.
| U.S. Fish and Wildlife Service | USFWS | 2021
Life Zones in the Mojave Desert explains how elevation, rainfall, soil, and temperature produce distinct desert plant communities.
| Kenneth E. Nussear et al. | U.S. Geological Survey | 2009
Modeling Habitat of the Desert Tortoise examines environmental conditions determining potential tortoise habitat across the Mojave and Sonoran deserts.
| Jayne Belnap et al. | U.S. Geological Survey | 2008
Monitoring Ecosystem Quality and Function in Arid Settings of the Mojave Desert describes techniques for measuring long-term ecological change.
| U.S. Fish and Wildlife Service | USFWS | n.d.
Desert Tortoise describes the biology, habitat needs, threats, and conservation of one of North America's best-known desert reptiles.
Mojave and Colorado Deserts
| National Park Service | Joshua Tree National Park | 2026
Joshua Tree National Park introduces the two desert ecosystems, wildlife, plant communities, geology, wilderness, and environmental conditions of the park.
| National Park Service | Joshua Tree National Park | 2025-06-03
Plants describes nearly 800 vascular plant species occurring across Joshua Tree's desert environments and the growing threats from invasive species and climate change.
| National Park Service | Joshua Tree National Park | 2024-10-15
Natural Features & Ecosystems examines dunes, dry lakes, valleys, mountains, granite formations, oases, springs, and biological soil crusts.
| National Park Service | Joshua Tree National Park | 2023-06-10
Nature at Joshua Tree examines the meeting of Mojave and Colorado Desert ecosystems and the resulting diversity of plants, animals, geology, and landforms.
| National Park Service | Joshua Tree National Park | 2021-01-19
Plant Species List documents more than 750 plant species and demonstrates the surprising floristic richness of California's desert ecosystems.
| National Park Service | Joshua Tree National Park | 2017
Joshua Tree Foundation Document describes the ecological convergence of the Mojave and Colorado deserts and the resources the park was created to protect.
| National Park Service | Joshua Tree National Park | 2015-02-28
Plant Communities explains how soil, elevation, climate, and water availability produce different woodland, shrubland, grassland, and sparsely vegetated desert communities.
| National Park Service | Joshua Tree National Park | n.d.
Animals describes hundreds of vertebrate species adapted to desert dunes, valleys, mountains, rocky habitats, and oases.
| National Park Service | Joshua Tree National Park | n.d.
Deserts explains rainfall, evaporation, rain shadows, subtropical high-pressure systems, and the differences between Mojave and Sonoran environments.
Death Valley and Extreme Desert Environments
| National Park Service | Death Valley National Park | 2024
Weather explains why Death Valley is exceptionally hot and dry, emphasizing its rain-shadow geography, low elevation, clear air, and surrounding mountains.
| National Park Service | Death Valley National Park | 2021
Natural Features & Ecosystems describes Death Valley as an outdoor natural-history laboratory where organisms survive remarkable extremes of climate and elevation.
| National Park Service | Death Valley National Park | n.d.
Nature provides an overview of desert wildlife, vegetation, geology, climate, salt flats, springs, dunes, and ecological adaptations within Death Valley.
| National Park Service | Death Valley National Park | n.d.
Geology explains the tectonic activity, erosion, deposition, volcanism, salt formation, and uplift that produced the Death Valley desert landscape.
| National Park Service | Death Valley National Park | n.d.
Sand Dunes examines the combination of sand supply, wind, and barriers necessary to produce desert dune fields.
| National Park Service | Death Valley National Park | n.d.
Salt Flats explains how evaporation concentrates minerals in closed desert basins to create extensive salt deposits.
| National Park Service | Death Valley National Park | n.d.
Pupfish explores the remarkable evolutionary history of fishes isolated in tiny remnants of ancient desert lakes and streams.
Chihuahuan Desert
| World Wildlife Fund | WWF | 2022
Upper Rio Grande Basin Report Card examines the ecological health of a river system crucial to both human communities and Chihuahuan Desert biodiversity.
| World Wildlife Fund | WWF | n.d.
Chihuahuan Desert describes the largest desert in North America, its remarkable biodiversity, freshwater ecosystems, wildlife, human communities, and conservation challenges.
| World Wildlife Fund | WWF | n.d.
Water Security in the Chihuahuan Desert examines how over-extraction, climate change, agriculture, and growing cities threaten the Rio Grande/Rio Bravo system.
| World Wildlife Fund | WWF | n.d.
Working to Replenish the Rio Grande describes restoration projects intended to improve water security within the Chihuahuan Desert.
| National Park Service | Big Bend National Park | n.d.
Nature of Big Bend introduces the exceptionally diverse plants, animals, rivers, mountains, and Chihuahuan Desert habitats of southwestern Texas.
| National Park Service | Big Bend National Park | n.d.
Plants of Big Bend examines vegetation occurring across desert lowlands, grasslands, canyons, riparian zones, and mountain habitats.
| National Park Service | Big Bend National Park | n.d.
Animals describes the reptiles, mammals, birds, insects, fishes, and other wildlife supported by Big Bend's Chihuahuan Desert ecosystem.
| National Park Service | Guadalupe Mountains National Park | n.d.
Nature describes the meeting of Chihuahuan Desert, canyon, woodland, and high-mountain ecosystems in western Texas.
| National Park Service | White Sands National Park | n.d.
Nature introduces the plants and animals living among the enormous gypsum dune field of the northern Chihuahuan Desert.
| National Park Service | White Sands National Park | n.d.
Animals examines wildlife adaptations—including unusually pale coloration—within the shifting gypsum dunes of White Sands.
Sonoran Desert
| National Park Service | Organ Pipe Cactus National Monument | 2011
Desert Ranger Guide describes cactus forests, washes, mountains, desert wildlife, and endangered species of Organ Pipe Cactus National Monument.
| National Park Service | Saguaro National Park | n.d.
Nature of Saguaro National Park introduces the extraordinarily diverse plant and animal communities of Arizona's Sonoran Desert.
| National Park Service | Saguaro National Park | n.d.
Wildflowers describes how winter rainfall, summer monsoons, temperature, and soil conditions influence spectacular desert blooms.
| National Park Service | Saguaro National Park | n.d.
Birds examines the variety of resident and migratory species occupying Sonoran Desert vegetation, washes, mountains, and riparian environments.
| National Park Service | Saguaro National Park | n.d.
Reptiles explores snakes, lizards, and tortoises that use behavioral and physiological adaptations to cope with desert heat.
| National Park Service | Organ Pipe Cactus National Monument | n.d.
Nature introduces the plants, wildlife, geology, climate, and ecological communities protected within a particularly intact Sonoran Desert landscape.
| National Park Service | Organ Pipe Cactus National Monument | n.d.
Reptiles examines rattlesnakes, Gila monsters, tortoises, and lizards occupying the Sonoran Desert.
| National Park Service | Organ Pipe Cactus National Monument | n.d.
Birds describes resident species and seasonal migrants using desert washes, cactus forests, mountains, and scarce water sources.
| National Park Service | Organ Pipe Cactus National Monument | n.d.
Mammals examines bats, pronghorn, javelina, rodents, carnivores, and other mammals inhabiting Sonoran Desert environments.
Sahara and Sahel
| United Nations Convention to Combat Desertification | UNCCD | 2026-06
Desertification and Drought Day 2026 examines drought, rangelands, land degradation, pastoralism, biodiversity, and restoration across African and Eurasian drylands.
| Henry Wismayer | Smithsonian Magazine | 2026-03
The Sahara Desert Hasn't Always Been a Dry, Desolate Landscape examines evidence for repeated shifts between green and arid phases in North Africa.
| Researchers | Elsevier | 2025
Sahara and Other African Deserts reviews the ecology, biodiversity, endemism, human impacts, and conservation of Africa's arid environments.
| NASA Earth Observatory | NASA | 2022
Dust: A True World Traveler explains how Saharan dust crosses the Atlantic and describes the exceptionally large 2020 "Godzilla" dust plume.
| Lorraine Boissoneault | Smithsonian Magazine | 2017-03-24
What Really Turned the Sahara Desert From a Green Oasis Into a Wasteland? explores climatic and possible human influences on Sahara desertification.
| NASA Earth Observatory | NASA | 2016
A Tale of Fire and Water examines rainfall, drought, fire, and environmental change across the semi-arid Sahel south of the Sahara.
| José C. Brito et al. | Biological Reviews | 2014
Unravelling Biodiversity, Evolution and Threats to Conservation in the Sahara-Sahel reviews biodiversity patterns, evolutionary history, and conservation challenges.
| NASA Earth Observatory | NASA | 2012-07-21
Dust Plume Over the Atlantic shows Saharan mineral dust crossing thousands of kilometers of ocean toward the Caribbean and Florida.
| NASA Earth Observatory | NASA | 2010-06
Saharan Dust Over the Red Sea documents a major sandstorm spreading desert dust across Sudan and the Red Sea.
| NASA Earth Observatory | NASA | 2009-03-01
Dust South of the Sahel documents massive dust plumes originating around the Bodélé Depression and spreading over central Africa.
| NASA Earth Observatory | NASA | 2006
Dust Storm in Northern Africa explores Saharan dust sources, long-distance transport, desertification, and the desert landscape of Algeria.
| NASA Earth Observatory | NASA | 2004-11-18
Dust Storm and Fires in Central Africa illustrates interactions among the Sahara, Sahel, Lake Chad, dust generation, vegetation, and human land use.
| NASA Earth Observatory | NASA | 2001-10-30
Predicted Dust Movement Matches Satellite Images shows Saharan dust moving north across the Mediterranean into western Europe.
| NASA Earth Observatory | NASA | 1999-12-13
Sidi Toui National Park documents efforts to restore native grasslands and combat desertification along the northern edge of the Sahara.
Namib and Southern African Deserts
| World Wildlife Fund | WWF | 2023
Sharing Space describes Namibia's community-led conservation system and the protection of desert-adapted elephants, rhinos, giraffes, and other wildlife.
| NASA Earth Observatory | NASA | 2016
Making Waves in the Sky explains how cool, dry air flowing from the Namib Desert can interact with moist Atlantic air to create distinctive cloud formations.
| NASA Earth Observatory | NASA | 2010-03-13
Hydrogen Sulfide Emissions Along the Namibian Coast examines unusual coastal processes occurring beside the dunes of the Namib Desert.
| NASA Earth Observatory | NASA | 2005
Dune Patterns, Namib Desert uses astronaut photography to reveal the complex wind-created dune systems along Namibia's Atlantic coast.
| World Wildlife Fund | WWF | n.d.
Preventing Plant Extinctions in the Richtersveld examines drought, sandstorms, mining, and severe population declines among plants near the southern Namib Desert.
| World Wildlife Fund | WWF | n.d.
Namibia examines deserts, savannas, wetlands, endemic species, protected landscapes, communal conservancies, drought, and desert-adapted animals.
| World Wildlife Fund | WWF | n.d.
Namibia's Protected Area Network describes conservation efforts protecting globally significant desert and dryland biodiversity.
Namib Desert provides an introduction to the geography, climate, dune landscapes, wildlife, and extreme aridity of one of Earth's oldest deserts.
| UNESCO World Heritage Centre | UNESCO | n.d.
Namib Sand Sea describes the world's only extensive coastal desert containing large dune fields strongly influenced by fog.
| UNESCO World Heritage Centre | UNESCO | n.d.
Richtersveld Cultural and Botanical Landscape examines a mountainous desert environment containing remarkable succulent biodiversity and traditional pastoralism.
Atacama and South American Deserts
| University of Cologne | ScienceDaily | 2026-03-02
Atacama Surprise reports unexpectedly diverse communities of microscopic nematodes surviving in some of the driest soils on Earth.
| NASA Earth Observatory | NASA | 2022
Life Finds a Way in the Atacama Desert explores vegetation and microbial life surviving under exceptionally dry conditions.
| Brian Handwerk | Smithsonian Magazine | 2021-01-25
Ancient South American Civilizations Bloomed in the Desert examines how irrigation, adapted crops, and seabird guano supported agriculture in the Atacama.
| NASA Earth Observatory | NASA | 2021
Flowering Atacama examines exceptional rainfall events that can transform portions of Chile's hyperarid desert into temporary fields of flowers.
| European Southern Observatory | ESO | 2017
The Atacama Desert describes the extraordinary dryness and atmospheric conditions that make northern Chile important for astronomical research.
| NASA Earth Observatory | NASA | 2012-07-19
Lluta River, Chile examines a river crossing one of the driest portions of the Atacama Desert and sustaining life in a hyperarid environment.
| Encyclopaedia Britannica Editors | Encyclopaedia Britannica | n.d.
Atacama Desert provides an overview of the geography, climate, resources, salt flats, mountains, and settlements of northern Chile's hyperarid desert.
| Encyclopaedia Britannica Editors | Encyclopaedia Britannica | n.d.
Patagonian Desert describes the extensive cold and semi-arid landscape of southern Argentina created partly by the rain shadow of the Andes.
| UNESCO World Heritage Centre | UNESCO | n.d.
Humberstone and Santa Laura Saltpeter Works documents human industrial development within one of the world's driest desert environments.
| Encyclopaedia Britannica Editors | Encyclopaedia Britannica | n.d.
Sechura Desert describes the coastal desert of northwestern Peru and the climatic and oceanographic influences responsible for its aridity.
Asian Deserts
| Becky Chaplin-Kramer | World Wildlife Fund | 2026
How Science Aids Conservation discusses the unexpectedly rich wildlife and ecological importance of Mongolia's Gobi Desert.
| NASA Earth Observatory | NASA | 2019-05
Dust Swirls Over Asia examines mineral dust originating in the Gobi and Taklamakan deserts and its capacity for trans-Pacific transport.
| NASA Earth Observatory | NASA | 2019
Greening Up examines China's extensive tree planting near the Gobi Desert and efforts to stabilize soil and reduce wind erosion.
| NASA Earth Observatory | NASA | 2006-03-10
Dust Storm Over Eastern China traces a major Asian dust event partly originating in the Gobi Desert.
| NASA Earth Observatory | NASA | 2006-03-10
Dust Storm Over Eastern China shows a major atmospheric event involving material transported from the Gobi and surrounding drylands.
| UNESCO World Heritage Centre | UNESCO | n.d.
Cold Winter Deserts of Turan describes temperate desert ecosystems across Central Asia containing specialized plants, mammals, reptiles, and migratory wildlife.
| Encyclopaedia Britannica Editors | Encyclopaedia Britannica | n.d.
Gobi introduces the geography, climate, geology, vegetation, wildlife, and human history of the vast desert spanning Mongolia and northern China.
| Encyclopaedia Britannica Editors | Encyclopaedia Britannica | n.d.
Takla Makan Desert examines the exceptionally arid sand desert occupying much of China's Tarim Basin.
Desert Plants and Adaptations
| National Park Service | Grand Canyon-Parashant National Monument | 2019-12-03
Desert Plant Adaptations explains root systems, reflective leaves, spines, and other mechanisms plants use to reduce heat stress and water loss.
| National Park Service | Organ Pipe Cactus National Monument | 2018
Desert Adaptations explores the ecological relationships and survival strategies of plants and animals in the Sonoran Desert.
| American Journal of Botany | ScienceDaily | 2014-01-06
Plant Success in Desert Environment investigates how plants compete for scarce water under highly variable rainfall conditions.
| U.S. Forest Service | USDA Forest Service | n.d.
Saguaro describes the biology and water-storage adaptations of the iconic giant cactus of the Sonoran Desert.
| National Park Service | Saguaro National Park | n.d.
Saguaro Cactus explains the slow growth, water storage, flowering, and ecological importance of the Sonoran Desert's signature cactus.
| National Park Service | Joshua Tree National Park | n.d.
Joshua Trees examines the distinctive yucca species whose distribution helps define the Mojave Desert.
| National Park Service | Death Valley National Park | n.d.
Plants describes how vegetation survives extreme heat, dryness, saline soils, and large elevation differences in Death Valley.
| National Park Service | Mojave National Preserve | n.d.
Plants introduces Joshua trees, yuccas, cacti, shrubs, wildflowers, and other vegetation occupying the Mojave Desert.
| National Park Service | Organ Pipe Cactus National Monument | n.d.
Plants documents the unusually rich vegetation of the Sonoran Desert and the adaptations that allow it to tolerate heat and drought.
| National Park Service | Saguaro National Park | n.d.
Plants explores the diversity of cacti, shrubs, trees, grasses, and seasonal wildflowers of the Sonoran Desert.
Desert Animals and Adaptations
| San Diego Zoo Wildlife Alliance | San Diego Zoo | n.d.
Desert Wildlife describes behavioral and physiological adaptations used by animals to tolerate large temperature swings and scarce water.
| National Park Service | Death Valley National Park | n.d.
Animals examines wildlife able to survive the extreme temperatures and scarce surface water of Death Valley.
| National Park Service | Mojave National Preserve | n.d.
Animals introduces reptiles, mammals, birds, insects, and other species inhabiting the Mojave Desert.
| National Park Service | Saguaro National Park | n.d.
Animals explores the diverse wildlife community supported by Sonoran Desert vegetation and seasonal rainfall.
| National Park Service | Organ Pipe Cactus National Monument | n.d.
Animals documents mammals, reptiles, amphibians, birds, and invertebrates living in the Sonoran Desert.
| U.S. Fish and Wildlife Service | USFWS | n.d.
Desert Bighorn Sheep describes a large mammal specially adapted to arid mountains and widely scattered desert water sources.
| National Park Service | Joshua Tree National Park | n.d.
Desert Tortoise explains how burrowing and seasonal activity help tortoises withstand extreme desert temperatures and drought.
| National Park Service | Death Valley National Park | n.d.
Desert Pupfish explores fishes that survive in isolated desert springs and streams left behind by wetter prehistoric climates.
| U.S. Fish and Wildlife Service | USFWS | n.d.
Sonoran Pronghorn describes the ecology and conservation challenges of a critically vulnerable mammal inhabiting the Sonoran Desert.
| National Park Service | Arches National Park | n.d.
Nocturnal Animals explains why many desert species avoid daytime heat by becoming active after sunset.
Desert Soil, Water, and Biological Crusts
| Sophie S. Parker et al. | Biodiversity and Conservation | 2020-12-05
Mojave Desert Springs assesses the ecological importance and growing vulnerability of desert groundwater ecosystems.
| National Park Service | U.S. National Park Service | 2018
Biological Soil Crusts explains how tiny organisms stabilize desert soils, influence nutrient cycles, and provide a foundation for larger plant communities.
| FAO | Food and Agriculture Organization | 2009
Drylands, People and Land Use explains the ecological, agricultural, and human importance of arid and semi-arid landscapes.
| FAO | Food and Agriculture Organization | 2004
Carbon Sequestration in Dryland Soils examines the distribution of global drylands and their potential importance for terrestrial carbon storage.
| National Park Service | U.S. National Park Service | n.d.
Biological Soil Crust describes the living communities that form dark, textured surfaces across many deserts of the American Southwest.
| U.S. Geological Survey | USGS | n.d.
Biological Soil Crusts examines the ecological importance and vulnerability of cyanobacteria, lichens, mosses, and other soil organisms.
| National Park Service | Death Valley National Park | n.d.
Springs examines scarce groundwater-fed habitats that function as biological islands in one of North America's driest regions.
Desert Landforms, Dunes, and Dust
| NASA Earth Observatory | NASA | 2023-11-11
A Wall of Dust documents the movement of desert sediment across China's Tarim Basin during a major windstorm.
| NASA Earth Observatory | NASA | 2011-09-08
Sand Dunes of the Junggar Basin shows how winds create migrating barchan dunes and larger linear dune systems.
| NASA Earth Observatory | NASA | 2010-09-25
St. Anthony Sand Dunes examines an extensive inland dune field whose development records earlier climatic conditions.
| NASA Earth Observatory | NASA | 2010
Aerosols explains how windblown desert dust can cross continents and oceans and interact with clouds, climate, and biological systems.
| National Science Foundation | ScienceDaily | 2009-07-05
Desert Dust Alters Ecology of Colorado Alpine Meadows examines how windblown desert sediment can change snowmelt timing and distant ecosystems.
| NASA Earth Observatory | NASA | 2006-08-08
Dune Types in the Issaouane Erg illustrates how different scales and forms of dunes develop through long-term wind transport.
| NASA Earth Observatory | NASA | 2005-05-05
Dust Over the Pacific documents the remarkable long-distance transport of mineral dust originating in Asian deserts.
| National Park Service | Great Sand Dunes National Park and Preserve | n.d.
Sand Dunes explains how sediment supply, prevailing winds, reversing winds, mountains, and groundwater combine to build enormous dunes.
| National Park Service | White Sands National Park | n.d.
Geology of White Sands explains the unusual formation and movement of the world's largest gypsum dune field.
| National Park Service | Mojave National Preserve | n.d.
Kelso Dunes examines the geology, wind patterns, sand sources, wildlife, and famous booming sounds of a Mojave Desert dune system.
| National Park Service | Death Valley National Park | n.d.
The Racetrack examines a dry desert lake famous for rocks that move across its surface under rare combinations of water, ice, and wind.
| National Park Service | Death Valley National Park | n.d.
Playas explains the formation of temporary desert lakes and flat sediment surfaces within internally drained basins.
| National Park Service | Joshua Tree National Park | n.d.
Geological Formations describes tectonic uplift, intrusive granite, erosion, weathering, and faulting responsible for Joshua Tree's desert landscape.
| National Park Service | Joshua Tree National Park | n.d.
Desert Varnish explains the thin dark coatings that form slowly on exposed rock surfaces in arid landscapes.
| National Park Service | Canyonlands National Park | n.d.
Desert Varnish examines mineral-rich coatings whose formation involves clay, manganese, iron, microorganisms, dust, and long periods of time.
| National Park Service | U.S. National Park Service | n.d.
Desert Pavement explains how closely packed rock surfaces form on arid landscapes through weathering, wind, soil movement, and deposition.
Climate Change and Desert Ecology
| Researchers | Biological Conservation | 2026
Saharan Vertebrates and Climate Change projects major reductions in suitable habitat for many desert species by mid-century.
| National Geographic Staff | National Geographic | 2025-09-12
Desert Threats explains how even modest shifts in temperature and rainfall may substantially alter desert ecosystems.
| University of California, Riverside | ScienceDaily | 2023-04-01
Sonoran Desert Plants and Climate Change documents shifts in long-lived plant communities once regarded as exceptionally resistant to drought.
| Researchers | Biological Conservation | 2023
Dust Storms Ahead discusses climate change, renewable energy, land disturbance, and extinction risk within the Mojave Desert.
| National Park Service | Joshua Tree National Park | 2021
Climate Change in Joshua Tree National Park projects major changes to Joshua tree habitat, wildlife, wildfire, and desert vegetation under continued warming.
| University of California, Berkeley | ScienceDaily | 2018-08-07
Mojave Desert Birds Crashed Over the Last Century links major changes in bird communities to declining precipitation associated with climate change.
| Tel Aviv University | ScienceDaily | 2014-10-20
Semi-Arid Ecosystems Prove Resistant to Climate Change describes a long-term rainfall experiment testing vegetation responses to drought.
Desertification, Biodiversity, and Conservation
| IUCN | International Union for Conservation of Nature | 2017-06
Drylands and Land Degradation explains how overgrazing, deforestation, unsustainable farming, and climate pressures can reduce dryland productivity.
| Jonathan Davies | IUCN | 2017
Biodiversity and the Great Green Wall explains why restoration of the Sahel should focus on functioning ecosystems rather than simply planting trees.
| IUCN | International Union for Conservation of Nature | 2015-11
Land Degradation and Climate Change examines relationships among desertification, soil carbon loss, biodiversity, food production, and climate.
| Jaime Webbe | Food and Agriculture Organization | 2013
Drylands Biodiversity discusses the importance of conserving species, genetic resources, and ecosystem services in water-limited landscapes.
| Universidad Rey Juan Carlos | ScienceDaily | 2012-01-16
Biodiversity Enhances Ecosystem Multifunctionality in Global Drylands finds that greater plant diversity improves multiple ecological functions in dry regions.
| Jonathan Davies et al. | IUCN | 2012
Conserving Dryland Biodiversity argues for protecting drylands as significant reservoirs of biological and cultural diversity.
| UNCCD | United Nations | 2011
Desertification provides a broad introduction to dryland degradation and its consequences for soils, biodiversity, economies, and communities.
| The Nature Conservancy | The Nature Conservancy | n.d.
Mojave Desert Conservation describes efforts to protect desert biodiversity while accommodating recreation, infrastructure, and renewable-energy development.
| Nature Index | Springer Nature | n.d.
Biodiversity Conservation in Desert Ecosystems reviews habitat protection, restoration, sustainable land use, monitoring, and species conservation in deserts.
| IUCN | International Union for Conservation of Nature | n.d.
Dryland, Desert and Oasis Ecosystems Specialist Group examines conservation, water management, biodiversity, restoration, and climate resilience in desert and oasis systems.
Water, Soils, and Desert Research
| National Park Service | U.S. National Park Service | 2024
Monitoring Vital Signs in Times of Rapid Change examines declining desert springs and their importance to wildlife under increasingly variable climatic conditions.
| International Union for Conservation of Nature | IUCN | 2017
Drylands and Land Degradation explains desertification, ecosystem services, biodiversity, sustainable grazing, climate change, and land-restoration strategies.
| Jonathan Davies et al. | IUCN | 2012
Conserving Dryland Biodiversity explains the importance of integrating biodiversity conservation with pastoralism, development, restoration, and sustainable resource use.
| United Nations Convention to Combat Desertification | UNCCD | 1999
Dryland Biodiversity and Desertification examines interactions among soil erosion, biodiversity decline, grazing, agriculture, salinization, and land degradation.
| U.S. Geological Survey | USGS | n.d.
Deserts summarizes USGS research into desert biodiversity, climate change, invasive species, water withdrawal, mining, roads, energy development, and urban expansion.
| International Union for Conservation of Nature | IUCN | n.d.
Drylands, Grasslands, and Rangelands provides research and policy resources addressing conservation and sustainable management of the world's water-limited landscapes.
Deserts, People, and the Global Environment
| IUCN | International Union for Conservation of Nature | 2026-06-17
Desertification and Drought Day 2026 examines the importance of rangelands, pastoralists, biodiversity, restoration, and climate resilience in dry regions.
| National Park Service | U.S. National Park Service | 2016-10-03
Southwest Ecosystems places deserts within a larger network of grasslands, shrublands, woodlands, mountains, rivers, wetlands, and other connected ecosystems.
| IUCN | International Union for Conservation of Nature | n.d.
Drylands, Grasslands, and Rangelands collects research and conservation resources addressing desertification, restoration, biodiversity, and sustainable land use.
| NASA Earth Observatory | NASA | n.d.
Measuring Vegetation explains how satellite observations distinguish sparsely vegetated deserts from productive ecosystems and track changes through time.
