News tagged with food webs
Changing climate will lead to devastating loss of phosphorus from soil
Apr 15, 2009 |
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Crop growth, drinking water and recreational water sports could all be adversely affected if predicted changes in rainfall patterns over the coming years prove true, according to research published this month in Biology an ...
Search results for food webs
Scientists find universal rules for food-web stability
Aug 06, 2009 |
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The findings, published in this week's issue of Science, conclude that food-web stability is enhanced when many diverse predator-prey links connect high and intermediate trophic levels. The computations also reveal that s ...
Study reveals how Arctic food webs affect mercury in polar bears
Dec 08, 2009 |
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With growing concerns about the effects of global warming on polar bears, it's increasingly important to understand how other environmental threats, such as mercury pollution, are affecting these magnificent Arctic animals.
Web page ranking algorithm detects critical species in ecosystems
Sep 04, 2009 |
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Google's algorithm for ranking web-pages can be used to determine which species are critical for sustaining ecosystems. Drs. Stefano Allesina and Mercedes Pascual find that "PageRank" can be applied to the study of food webs, ...
Scientists show respect for some parasites
Jul 12, 2006 |
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U.S. scientists are showing more respect for some parasites that have been found to be surprisingly important in food webs.
Eat up all of your Brussels sprouts -- unless you're an aphid
Biology /
Feb 07, 2008 |
4 / 5 (2) |
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Aphids that eat Brussels sprouts are smaller than normal and live in undersized populations, which has a negative knock-on effect up the food chain according to new research published today in Science.
Ancient ecosystems organized much like our own
Biology /
Apr 29, 2008 |
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It was an Anomalocaris-eat-trilobite world, filled with species like nothing on today's Earth. But the ecology of Cambrian communities was remarkably modern, say researchers behind the first study to reconstruct ...
Study: Predators bind ecosystems together
Biology /
Jul 19, 2006 |
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An international team of scientists published a theoretical analysis this week, positing that complex ecosystems are held together by their top predators.
For carnivorous plants, slow but steady wins the race
Sep 14, 2009 |
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Like the man-eating plant in Little Shop of Horrors, carnivorous plants rely on animal prey for sustenance. Fortunately for humans, carnivorous plants found in nature are not dependent on a diet of human blood but rather ...
Sea otter study reveals striking variability in diets and feeding strategies
Biology /
Jan 14, 2008 |
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Ecologists have long observed that when food becomes scarce, animal populations exploit a wider range of food sources. So scientists studying southern sea otters at different sites in California's coastal waters were not ...
Restoring fish populations leads to tough choice for Great Lakes Gulls
May 14, 2008 |
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You might think that stocking the Great Lakes with things like trout and salmon would be good for the herring gull. The birds often eat from the water, so it would be natural to assume that more fish would mean better dining. ...
List of search results for food webs
