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Relict Species - Phylogeography and Conservation Biology (Paperback, 2010 ed.)
Loot Price: R5,478
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Relict Species - Phylogeography and Conservation Biology (Paperback, 2010 ed.)
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Mankind has evolved both genetically and culturally to become a
most successful and dominant species. But we are now so numerous
and our technology is so p- erful that we are having major effects
on the planet, its environment, and the b- sphere. For some years
prophets have warned of the possible detrimental consequences of
our activities, such as pollution, deforestation, and overfishing,
and recently it has become clear that we are even changing the
atmosphere (e. g. ozone, carbon dioxide). This is worrying since
the planet's life systems are involved and dependent on its
functioning. Current climate change - global w arming - is one
recognised consequence of this larger problem. To face this major
challenge, we will need the research and advice of many disciplines
- Physics, Chemistry, Earth Sciences, Biology, and Sociology - and
particularly the commitment of wise politicians such as US Senator
Al Gore. An important aspect of this global problem that has been
researched for several decades is the loss of species and the
impoverishment of our ecosystems, and hence their ability to
sustain themselves, and more particularly us! Through evolutionary
time new species have been generated and some have gone extinct.
Such extinction and regeneration are moulded by changes in the
earth's crust, atmosphere, and resultant climate. Some extinctions
have been massive, particularly those asso- ated with catastrophic
meteoric impacts like the end of the Cretaceous Period 65Mya.
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