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MAMMALS OF THE RIO JURUÁ AND THE EVOLUTIONARY AND ECOLOGICAL DIVERSIFICATION OF AMAZONIA
It is shown that, while there are few examples of taxa for which the Rio Juruá is apparently a barrier, most taxa either are largely undifferentiated throughout the basin or are sharply divided into reciprocally monophyletic mtDNA haplotype clades separable into upriver and downriver units.
Edge and other effects of isolation on Amazon forest fragments
Quantifying the biodiversity value of tropical primary, secondary, and plantation forests
- J. Barlow, T. Gardner, C. Peres
- Environmental ScienceProceedings of the National Academy of Sciences
- 20 November 2007
The results show that, whereas the biodiversity indicator group concept may hold some validity for several taxa that are frequently sampled, it fails for those exhibiting highly idiosyncratic responses to tropical land-use change, highlighting the problems associated with quantifying the biodiversity value of anthropogenic habitats.
Global Warming and Extinctions of Endemic Species from Biodiversity Hotspots
- J. Malcolm, Canran Liu, R. Neilson, L. Hansen, L. Hannah
- Environmental ScienceConservation biology : the journal of the Society…
- 1 April 2006
Estimated global-warming-induced rates of species extinctions in tropical hotspots in some cases exceeded those due to deforestation, supporting suggestions that global warming is one of the most serious threats to the planet's biodiversity.
Matrix habitat and species richness in tropical forest remnants
Estimated migration rates under scenarios of global climate change
Greenhouse‐induced warming and resulting shifts in climatic zones may exceed the migration capabilities of some species. We used fourteen combinations of General Circulation Models (GCMs) and Global…
Edge effects in central Amazonian forest fragments
- J. Malcolm
- Environmental Science
- 1 December 1994
Current descriptive models of edge effects describe little more than the relationship between perimeter and area. A more realistic model, one that incorporates the additive nature of edge effects, is…
GENE GENEALOGY AND DIFFERENTIATION AMONG ARBOREAL SPINY RATS (RODENTIA: ECHIMYIDAE) OF THE AMAZON BASIN: A TEST OF THE RIVERINE BARRIER HYPOTHESIS
- J. Patton, M. N. F. Silva, J. Malcolm
- Biology, Environmental ScienceEvolution; international journal of organic…
- 1 August 1994
Genealogical analyses and broader scale phylogeographic patterns of this species show that both clades have relationships to areas well outside the Rio Juruá basin, which suggests that the basin represents a relatively recent point of invasion between two more broadly distributed and differentiated geographic units of the species.
Conservation and development alliances with the Kayapó of south-eastern Amazonia, a tropical forest indigenous people
- B. Zimmerman, C. Peres, J. Malcolm, T. Turner
- Environmental ScienceEnvironmental Conservation
- 1 March 2001
Legally recognized Indian reserves of Brazilian Amazonia span over 100 million ha of largely intact forest and are potentially valuable for biodiversity conservation. An important example is provided…