Science & Nature
Biomes of the World
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Updated:3/20/2026
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Biome↕ | Climate↕ | Biodiversity Level↕ | % Land Coverage↕ | Known For↕ |
|---|---|---|---|---|
Tropical Rainforest | Hot and wet year-round | Highest on Earth | ~6% | Lungs of the Earth — 50% of all species in 6% of land, Amazon produces 20% of world's oxygen, canopy layers create micro-habitats, being destroyed at alarming rate, more species in one tree than entire UK |
Desert (Hot) | Hot days, cold nights, <250mm rain | Low but specialized | ~20% | Sahara is larger than the continental US — organisms adapted to extreme heat and drought, camels store fat not water, cacti are succulent geniuses, desert varnish takes thousands of years to form, expanding due to climate change |
Tundra (Arctic) | Extremely cold, permafrost | Very low | ~10% | Frozen treeless landscape — permafrost (permanently frozen ground) up to 450m deep, growing season is 50-60 days, polar bears and caribou, permafrost melting releases methane (climate feedback loop), midnight sun phenomenon |
Taiga (Boreal Forest) | Cold winters, short cool summers | Low-Moderate | — | Largest land biome on Earth — 17% of land area, coniferous trees (spruce, pine, fir), wraps around entire Northern Hemisphere, moose and wolves, stores twice as much carbon as tropical forests, Russia and Canada dominate |
Temperate Deciduous Forest | Four distinct seasons | Moderate-High | ~8% | Fall colors are nature's best show — trees drop leaves to survive winter, oak-maple-beech forests, most converted to agriculture (90% of original is gone in some regions), eastern US and Western Europe originally |
Grassland / Prairie | Semi-arid, seasonal drought | Moderate | ~25% | America's breadbasket — deep fertile soil, bison herds of millions reduced to hundreds, most converted to farmland, African savanna variant has the Big Five, grasses can survive fire (trees can't), wind-swept landscapes |
Savanna | Warm year-round, wet and dry seasons | High (large mammals) | ~15% | African safari landscape — scattered trees in grassland, wildebeest migration is largest mammal migration, lions and elephants, fire-adapted ecosystem, covers half of Africa, Serengeti is the iconic example |
Mediterranean / Chaparral | Dry hot summers, mild wet winters | High (plant endemism) | ~2% | Wine country climate — California, Mediterranean coast, parts of Australia, fire-adapted shrubs, biodiversity hotspot, most threatened biome by development, olive trees and vineyards thrive, aromatic herbs (rosemary, thyme) |
Coral Reef (Marine) | Warm tropical waters (23-29°C) | Highest marine | <1% of ocean | Rainforest of the sea — 25% of marine species in <1% of ocean, Great Barrier Reef visible from space, coral bleaching from warming is devastating, take thousands of years to grow, worth $375 billion to global economy |
Freshwater (Lakes/Rivers) | Varies globally | High per unit area | ~1% of surface | Only 2.5% of Earth's water is fresh — Lake Baikal holds 20% of surface freshwater, rivers are lifelines of civilizations, most threatened ecosystem by pollution, Amazon River discharges more than next 7 rivers combined |
Temperate Rainforest | Mild, extremely wet | Moderate-High | <1% | Rarest forest biome — Pacific Northwest old growth, covered in moss and ferns, redwoods are tallest trees on Earth, Olympic National Park is pristine example, logging destroyed most of it, receives 2-3m rain per year |
Alpine | Cold, windy, high UV | Low but highly adapted | ~3% | Above the tree line — similar to tundra but at high altitude, Himalayan, Andean, and Alps ecosystems, snow leopards and mountain goats, cushion plants hug the ground, thin air and intense UV, climate change pushing tree line higher |
Deep Sea (Abyssal) | Near freezing, no light, extreme pressure | Low but unique | ~60% of Earth's surface | Largest habitat on Earth and least explored — hydrothermal vents support life without sun, species unknown to science everywhere, manganese nodules on seafloor, may hold key to understanding extraterrestrial life potential |
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Frequently asked questions
How is the Biomes Of The World list ranked?
The Biomes of the World list is currently sorted by the source data's default ordering. Community voting is not enabled on this dataset.
How many entries are in this Biomes Of The World dataset?
This dataset contains 13 entries, each with multiple sortable, filterable columns. The full table is visible on this page and can be downloaded as a CSV, JSON, or Excel file.
Can I download the Biomes Of The World data?
Yes. The download buttons at the top of the page give you the full 13-row dataset as CSV, JSON, or Excel. Use of the data is permitted under a Creative Commons Attribution license — credit dtbse.com when you republish.
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