An international team of researchers tested the idea that free online ratings are less trustworthy than those that have some cost to them, drawing from the ecological theory known as "costly signaling theory."
Social Sciences
Aug 1, 2019
1
27
Successfully limiting human-wildlife conflicts requires an understanding of the roles of both animal and human behavior. However, it is difficult to understand both of these things, because researchers struggle to collect ...
Ecology
Aug 22, 2018
0
7
Ecologists frequently tag animals in the wild, monitoring their movements and activities to gain a greater understanding of the species' behaviors and lifestyle.
Ecology
Jun 28, 2017
0
177
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
0
0
A new UCSB study that analyzed U.S. Department of Agriculture (USDA) Census of Agriculture data spanning two decades (1987-2007) shows that the statistical magnitude, existence, and direction of the relationship between landscape ...
Environment
Sep 5, 2013
0
0
(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
4
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
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
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
0
0
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
0
0
