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Peter D. Moore, Richard Garratt, "Tundra (Biomes of the Earth)"

From the Preface

..One of the most exciting things about the Earth is the rich

pattern of plant and animal communities that exists over its

surface. The hot, wet conditions of the equatorial regions

support dense rain forests with tall canopies occupied by a

wealth of animals, some of which may never touch the

ground. The cold, bleak conditions of the polar regions, on

the other hand, sustain a much lower variety of species of

plants and animals, but those that do survive under such

harsh conditions have remarkable adaptations to their test-

ing environment. Between these two extremes lie many

other types of complex communities, each well suited to the

particular conditions of climate prevailing in its region. Sci-

entists call these communities biomes...

This set of books aims to outline the main features of each

of the Earth’s major biomes. The biomes covered include the

tundra habitats of polar regions and high mountains, the

taiga (boreal forest) and temperate forests of somewhat

warmer lands, the grasslands of the prairies and the tropical

savanna, the deserts of the world’s most arid locations, and

the tropical forests of the equatorial regions. The wetlands of

the world, together with river and lake habitats, do not lie

neatly in climatic zones over the surface of the Earth but are

scattered over the land. And the oceans are an exception to

every rule. Massive in their extent, they form an intercon-

necting body of water extending down into unexplored

depths, gently moved by global currents.

Humans have had an immense impact on the environ-

ment of the Earth over the past 10,000 years since the last Ice

Age. There is no biome that remains unaffected by the pres-

ence of the human species. Indeed, we have created our own

biome in the form of agricultural and urban lands, where

people dwell in greatest densities. The farms and cities of the

Earth have their own distinctive climates and natural history,

so they can be regarded as a kind of artificial biome that peo-

ple have created, and they are considered as a separate biome

in this set.

Each biome is the subject of a separate volume. Each richly

illustrated book describes the global distribution, the climate,

the rocks and soils, the plants and animals, the history, and

the environmental problems found within each biome.

Together, the set provides students with a sound basis for

understanding the wealth of the Earth’s biodiversity, the fac-

tors that influence it, and the future dangers that face the

planet and our species...

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