Drawing together an array of interdisciplinary studies across archaeology, ecology, anthropology, and evolutionary theory, Erle Ellis, professor of geography and environmental systems at the University of Maryland Baltimore ...
Social Sciences
Dec 14, 2023
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88
(Phys.org) —Contemporary ecological theory assumes that differently sized individuals in a population are equally efficient in their use of food resources. Still this is only true in a very exceptional case. It is much ...
Ecology
Aug 6, 2013
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As agriculture in the United States evolves, it's becoming more intensive and less complex. That means larger fields, more cropland and less crop diversity with fewer crops in rotation.
Plants & Animals
Nov 9, 2020
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204
UBC researchers have proffered a new mathematical model that seeks to unravel a key evolutionary riddle--namely what factors underlie the generation of biological diversity both within and between species.
Mathematics
Apr 22, 2010
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0
A prominent tuft of spiny hair on the back, a white tail tip and three pairs of teats represent the unique set of characteristics describing a new genus of rat which has been discovered in the Moluccan province of Indonesia. ...
Plants & Animals
Sep 20, 2013
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0
Researchers use networks to model the dynamics of coupled systems ranging from food webs to neurological processes. Those models originally focused on pairwise interactions, or behaviors that emerge from interactions between ...
Mathematics
Apr 20, 2023
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123
University of Michigan ecologists Ivette Perfecto and John Vandermeer made their initial forays into agrosystems biodiversity research in the late 1980s while teaching an ecology field course in Costa Rica.
Ecology
Apr 6, 2023
0
15
Consider the case of the three-spine stickleback. These tiny fish that thrive in oceans and in fresh water might appear to be the same, yet ecologists are finding that they are actually a diverse collection of very specialized ...
Ecology
Jul 22, 2009
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0
Another attractive theory falls foul of the facts. A census of trees in rainforests on three continents has confirmed that competition plays a central role in structuring communities. This contradicts the so-called neutral ...
Ecology
Jan 26, 2012
8
0
For a variety of reasons, many humans choose to adopt children. More surprisingly, adoption is fairly widespread in the animal kingdom, even though it would seem to counteract the basic premise of Darwin's theory of evolution, ...
Plants & Animals
Mar 19, 2013
0
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