(PhysOrg.com) -- New University of Arizona research has discovered that seed beetles from the desert Southwest shelter their broods from attacking parasitic wasps under a stack of dummy eggs.
Plants & Animals
Sep 14, 2011
2
0
According to classical ecology, when two species compete for the same resource, eventually the more successful species will win out while the other will go extinct. But that rule cannot explain systems such as the Amazon, ...
Evolution
Mar 14, 2011
11
0
Any way you look at it -- by sheer weight, species diversity or population -- the hard-shelled, joint-legged creepy crawlies called arthropods dominate planet Earth. Because of their success and importance, scientists have ...
Plants & Animals
Feb 10, 2010
0
0
Jumping spiders, a tiny chirping frog and an elegant striped gecko are among 56 species believed new to science discovered during a Conservation International (CI) Rapid Assessment Program (RAP) expedition to Papua New Guinea's ...
Plants & Animals
Mar 25, 2009
0
0
A new University of Florida study based on DNA analysis from living flowering plants shows that the ancestors of most modern trees diversified extremely rapidly 90 million years ago, ultimately leading to the formation of ...
Archaeology
Feb 9, 2009
0
2
The origin of species may be almost as random as a throw of the dice. Iosif Pinelis, a professor of mathematical sciences at Michigan Technological University, has worked out a mathematical solution to a biological puzzle: ...
Mathematics
Jan 30, 2009
7
0
(PhysOrg.com) -- A new study led by the U.S. Geological Survey and involving the University of Colorado at Boulder indicates tree deaths in the West's old-growth forests have more than doubled in recent decades, likely from ...
Environment
Jan 22, 2009
7
0
New research from the Crowther Lab at ETH Zurich illustrates a critical barrier to natural regeneration of tropical forests. Their models—from ground-based data gathered in the Atlantic Forest of Brazil—show that when ...
Plants & Animals
Apr 15, 2024
1
256
A long-term study at the University of Cincinnati has documented the rise of invasive species in a forest devastated by a tornado 25 years ago.
Ecology
Apr 10, 2024
0
33
When scientists and policymakers make tough calls on which areas to prioritize for conservation, biodiversity is often their top consideration. Environments with more diversity support a greater number of species and provide ...
Plants & Animals
Mar 25, 2024
0
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