Results 241 to 250 of about 23,995 (279)

Population demography maintains biogeographic boundaries [PDF]

open access: yesEcology Letters, 2022
Abstract Global biodiversity is organized into biogeographic regions that comprise distinct biotas. The contemporary factors maintaining differences in species composition between biogeographic regions are poorly understood. Given the evidence that populations with sufficient genetic variation can adapt to fill new habitats, it is ...
Chloe Schmidt   +2 more
exaly   +4 more sources

Cenozoic weathering of fluvial terraces and emergence of biogeographic boundaries in Central Amazonia

open access: yesGlobal and Planetary Change, 2022
The study of paleofluvial dynamics is crucial to understand the role of rivers as biogeographic boundaries in Amazonia during the Cenozoic. In central Amazonia, Mesozoic and Cenozoic fluvial deposits - Alter do Chão, Iranduba and Novo Remanso Formations - host supergene iron oxides and record changes in the distribution of flooded and non-flooded ...
Cecile Gautheron   +2 more
exaly   +4 more sources

Integrating pattern with process at biogeographic boundaries: the legacy of Wallace [PDF]

open access: yesEcography, 2010
Biogeography is a vital discipline today because ofits extraordinarily integrative nature, drawing from andinforming biological and Earth sciences in order to explainthe history and future of life on our planet. Yet, even aswe continue to build more sophisticated syntheses usingmolecular genetics, GIS-based distribution modelling, andever-better ...
Brett R Riddle, David J Hafner
exaly   +2 more sources
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Urban ecosystems as ‘natural’ homes for biogeographical boundary crossings

Transactions of the Institute of British Geographers, 2011
Urban ecosystems have long been neglected in ecological theory and urban politics, with their respective tendencies towards anti-urbanism and exclusive humanism. As Hinchliffe et al. argue, ‘not pure enough to be true and not human enough to be political, urban wilds have no constituency’ (2005, 645).
Francis, Robert A.   +2 more
openaire   +2 more sources

A Biogeographical Boundary: The Tatschl Line

Transactions of the Kansas Academy of Science (1903-), 1970
Every now and then a discovery is made, either by design, resulting from careful observations, or else incidentally to other studies, not to say accidentally. Thus biogeographers are acquainted with the Wallace Line. Wallace's keen observations led him to conclude that there is a line passing through the Lombok and Makassar Straits, east of Bali and ...
openaire   +1 more source

An analysis of species boundaries and biogeographic patterns in a cryptic species complex: The rotifer—Brachionus plicatilis

Molecular Phylogenetics and Evolution, 2006
Since the advent of molecular phylogenetics, there is increasing evidence that many small aquatic and marine invertebrates--once believed to be single, cosmopolitan species--are in fact cryptic species complexes. Although the application of the biological species concept is central to the identification of species boundaries in these cryptic complexes,
Saverio Vicario, Adalgisa Caccone
exaly   +5 more sources

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