Biogeography in the Sub-Arctic (eBook, ePUB)
The Past and Future of North Atlantic Biotas
Redaktion: Panagiotakopulu, Eva; Sadler, Jon P.
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There is no escaping the fact that theisland biogeography of the North Atlantic Regionissingularlypeculiar. Sitting inthenorth of the Atlantic Ocean, these islands have been subjected to largescale shifts in climate over the last few million years, unlike the other island groups further south which were likely more buffered from the vicissitudes of Quaternary climate changes.Uniquely for a group of islands there is only one documented extinctionin the North Atlantic (the Great Auk), and those in the insects are local events relating to species that are distributed throughout the Palaearctic re...
There is no escaping the fact that theisland biogeography of the North Atlantic Regionissingularlypeculiar. Sitting inthenorth of the Atlantic Ocean, these islands have been subjected to largescale shifts in climate over the last few million years, unlike the other island groups further south which were likely more buffered from the vicissitudes of Quaternary climate changes.Uniquely for a group of islands there is only one documented extinctionin the North Atlantic (the Great Auk), and those in the insects are local events relating to species that are distributed throughout the Palaearctic region. Over half the insect species in Iceland and Greenland are introduced. The faunas, excluding Greenland, arepredominantly of Palaearcticorigin and have close affinities with the faunas of Scandinavia and the British Isles and.These unique physical and biological characteristics have interested biologists and biogeographers forcenturies. The key debates concerningthebiogeographyof the North Atlantic islandsstillrumble on:Do the biota reflect cryptic refugiaor otherwise, or tabula rasa and recolonization?How important werehuman communities in shaping the existing biota and biogeographical patterns?Throw into this mixcurrent concerns over global warming,and we can now ask,how resilient is the biota to change, either natural or anthropogenic? This volume draws together a range of researchers with longstanding research interests in the region, from diverseacademicbackgrounds, to evaluate some of these questions.
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