Read e-book online A Less Green and Pleasant Land: Our Threatened Wildlife PDF

By Professor Norman Maclean, Chris Packham

ISBN-10: 1107673232

ISBN-13: 9781107673236

Disentangling the proof from the hype, this 'Domesday booklet' of the British and Irish geographical region deals a definitive and up to date survey of the nation of our flora and fauna this day. Norman Maclean, editor of the bestselling Silent summer season, examines the newest findings of england and Ireland's best flora and fauna specialists and translates them for a much broader viewers. each one bankruptcy offers trustworthy estimates of animal populations, exhibiting which species are thriving and that are in decline. The e-book additionally considers the consequences of weather swap on our flora and fauna and the way human inhabitants development is influencing its improvement. fantastically illustrated with color plates and wooden engravings all through, this available and well timed examine unearths simply how speedily our geographical region and its natural world are altering, why we must always be anxious, and what we will do approximately it.

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Additional resources for A Less Green and Pleasant Land: Our Threatened Wildlife

Example text

9 Although about half of this CO2 is absorbed either by the oceans or by the biological activity of the earth (photosynthesis involves green plants absorbing CO2) the other half accumulates in the atmosphere to raise the CO2 levels that contribute to the greenhouse effect. Methane (CH4) is also only partly the result of recent human activity.

Many annual plants only grow and flower during favourable periods of summer warmth or seasonal rainfall, and numerous animals undertake long seasonal migrations to help them exploit LIVING WITH CHANGE | 15 available food sources and avoid the worst of low temperatures or arid conditions. Sexual behaviour is another powerful mechanism that aids survival, but the particular contribution of sex is that it helps to ensure variation within a species’ population, providing the material within which natural selection can effect choice.

Lest we are seduced into thinking that transition from any one of these steps to another is easy and straightforward, I would like to stress that essentially none of these steps has been duplicated in the test tube, and progress from one to another, although highly plausible, remains unobserved. Our own wildlife in Britain and Ireland has thus grown up through a tempestuous history, and in more recent times it has also had to survive repeated European ice ages, the most recent lasting until only about 10 000 years ago.

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A Less Green and Pleasant Land: Our Threatened Wildlife by Professor Norman Maclean, Chris Packham

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