Search results for ecological effect:
Ecological impact of African cities
Dec 02, 2008 |
3.8 / 5 (4) |
2
African cities are growing faster than anywhere else in the world. This is having a major impact, but few ecologists are studying the urban environment and effect of cities on rural areas. One of the most important ecological ...
World's oldest ecological study is honored
May 09, 2006 |
2.7 / 5 (3) |
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Ecologists are preparing to celebrate the 150th anniversary of the world's oldest ecological research project -- The Park Grass Experiment -- in Britain.
Keep big fish in their small ponds -- or in the ocean, says research
Biology /
Nov 27, 2008 |
4.9 / 5 (9) |
1
(PhysOrg.com) -- Scientists at the University of Toronto analysed Canadian fisheries data to determine the effect of the "keep the large ones" policy that is typical of fisheries. What they found is that the effect of this ...
Ecological speciation by sexual selection on good genes: Is speciation adaptive?
Nov 26, 2009 |
5 / 5 (1) |
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Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...
Mankind using Earth's resources at alarming rate
Nov 24, 2009 |
3.6 / 5 (23) |
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Humanity would need five Earths to produce the resources needed if everyone lived as profligately as Americans, according to a report issued Tuesday.
Moose multiplying in Scandinavia
Biology /
Apr 20, 2008 |
4 / 5 (5) |
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Biologists say there are now record numbers of moose in Scandinavia -- the greatest population since the Ice Age.
Long-term study shows effect of climate change on animal diversity
Biology /
Sep 22, 2008 |
2.8 / 5 (4) |
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Two species of giraffe, several rhinos and five elephant relatives, along with multitudes of rodents, bush pigs, horses, antelope and apes, once inhabited what is now northern Pakistan.
Measuring the effects of temperature increases in the Antarctic fauna
Jun 30, 2009 |
5 / 5 (3) |
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Researchers from the British Antarctic Survey subjected species found in Antarctic waters to increasing levels of water temperature to learn how well they would cope with a warmer ocean. The study, to be presented at the ...
Research explains how ecosystems survive in a constantly changing world
Biology /
Jul 20, 2006 |
4.5 / 5 (4) |
0
Ecological networks may struggle to survive the systematic changes our planet is undergoing, according to researchers from Queen Mary, University of London.
Finding the ASX200 for marine ecosystems
Oct 20, 2009 |
not rated yet |
1
(PhysOrg.com) -- Researchers are building the environmental equivalent of the ASX200 as a means of monitoring the health of Australian marine ecosystems.
World interest in Australian fishery impact test
Oct 27, 2009 |
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An Australian method for assessing the environmental impact of marine fisheries has caught the eye of fishery management agencies worldwide.
Study: Wildlife need more complex travel plans
Biology /
Oct 20, 2008 |
4 / 5 (4) |
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A new UC Davis study says that people trying to help nature by designing corridors for wildlife need to think more naturally.
Long-term study shows effect of climate change on animal diversity
Aug 19, 2008 |
3.4 / 5 (9) |
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(PhysOrg.com) -- Two species of giraffe, several rhinos and five elephant relatives, along with multitudes of rodents, bush pigs, horses, antelope and apes, once inhabited what is now northern Pakistan. But ...
Wildebeest or malaria parasite -- same rules determine number of offspring
Biology /
Jan 15, 2008 |
4.5 / 5 (2) |
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Whether you are dealing with the number of wildebeest on the Serengeti or the number of malaria parasites in the human body, new research shows the same ecological framework determines breeding numbers and population size.
Predators do more than kill prey
Biology /
Jan 17, 2008 |
4.3 / 5 (3) |
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The direct effect predators have on their prey is to kill them. The evolutionary changes that can result from this direct effect include prey that are younger at maturity and that produce more offspring.
