Download e-book for iPad: Amazon: Pollen Manual and Atlas by Paul A Collinvaux, Paulo E. De Oliveira, Enrique Moreno

By Paul A Collinvaux, Paulo E. De Oliveira, Enrique Moreno

ISBN-10: 9057025876

ISBN-13: 9789057025877

Amazon will end up a robust software for ecologists and weather modelers. It additionally includes short reports of pioneering pollen paintings within the Amazon up to now; sections on pollen equipment, pollen information, paleoecology, and lake coring equipment.

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Example text

1). Thus every Amazon habitat is backed up, as it were, with a copious collection of similar habitats to which the hardpressed can escape. But whether museum or engine, Amazon diversity is contingent on history We live in an epoch of ice ages when all the environments of the earth suffer periodic climatic shocks. Glaciers advance to occupy northern lands for fifty or more thousand years at a time. Then the glaciers melt and an interval of warmth like that in which we live engulfs the earth. Then comes another time of glaciation.

Each time that ice-age normality was interrupted by the warming and enriched CO2 of an interglacial there should have been a general reshuffling of plant species in the Amazonian communities. Review of Amazon paleoecology 27 Our pollen data give us a glimpse of this reshuffling in progress. The Lake Pata pollen record of ice-age forests shows that such genera as Podocarpus and Hedyosmum were included in what was otherwise lowland tropical forest. Pata being on mountains a hundred kilometers to the north.

No square rod) but the method is narrowly constrained by the fact that the couplings on the rods are likely to break before the sampler is freed.

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Amazon: Pollen Manual and Atlas by Paul A Collinvaux, Paulo E. De Oliveira, Enrique Moreno

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