News tagged with ecological changes
Ancient mammals shifted diets as climate changed
Other Sciences / Archaeology & Fossils
Jun 03, 2009 |
4 / 5 (3) |
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A new University of Florida study shows mammals change their dietary niches based on climate-driven environmental changes, contradicting a common assumption that species maintain their niches despite global ...
Jurassic Park from a Swiss lake?
Mar 12, 2009 |
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Ecological changes caused by humans affect natural biodiversity. For example, the eutrophication of Greifensee and Lake Constance in the 1970s and 1980s led to genetic changes in a species of water flea which ...
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The value of variation: Ecologists consider the causes and consequences
Jul 22, 2009 |
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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 ...
Ecological speciation by sexual selection on good genes: Is speciation adaptive?
Nov 26, 2009 |
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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 |
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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.
Finding the ASX200 for marine ecosystems
Oct 20, 2009 |
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(PhysOrg.com) -- Researchers are building the environmental equivalent of the ASX200 as a means of monitoring the health of Australian marine ecosystems.
Snail venoms reflect reduced competition
May 20, 2009 |
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A study of venomous snails on remote Pacific islands reveals genetic underpinnings of an ecological phenomenon that has fascinated scientists since Darwin.
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.
Environmental manganese good in trace amounts but can correlate to cancer rates
Jul 10, 2009 |
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In the first ecological study of its kind in the world, a Wake Forest University Baptist Medical Center researcher has uncovered the unique finding that groundwater and airborne manganese in North Carolina correlates with ...
Costa Rica tops happiness, 'green living' poll
Other Sciences / Social Sciences
Jul 04, 2009 |
3 / 5 (5) |
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Costa Rica is the happiest place on earth, and one of the most environmentally friendly, according to a new survey by a British non-governmental group.
Plants' internal clock can improve climate-change models
Jul 02, 2009 |
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The ability of plants to tell the time, a mechanism common to all living beings, enables them to survive, grow and reproduce. In a study published in the latest issue of the prestigious journal Ecology Letters, an international ...
Research recommends compromise when choosing conservation site
Sep 02, 2009 |
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A lot of variables come into play when selecting a site for environmental conservation that yields benefits to people nearby such as wildlife needs, species and vegetation uniqueness, and costs to the government or community. ...
List of search results for ecological changes
