News tagged with ecologist

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From yeast, researchers learn how populations collapse

In the early 1990s, overfishing led to the collapse of one of the most bountiful cod fisheries in the world, off the coast of Newfoundland. Twenty years later, the cod population still has not recovered, dramatically ...

Jun 01, 2012
4.4 / 5 (7) 21 | with audio podcast

Foundational concept of ecology tested by experiment

An elementary school science activity asks children who have each been assigned a wetland plant or animal to connect themselves with string and tape to other "organisms" their assigned plant or animal interacts ...

Jun 22, 2012
4.3 / 5 (8) 1 | with audio podcast

Jellyfish replacing fish in over-exploited areas

(PhysOrg.com) -- Over-fished commercial stocks of plankton-eating fish have been replaced in several locations by jellyfish species. This appears to be something of a paradox because fish move quickly and ...

Sep 16, 2011 report
4.7 / 5 (14) 10 | with audio podcast

Are tropical forests resilient to global warming?

Tropical forests are less likely to lose biomass – plants and plant material - in response to greenhouse gas emissions over the twenty-first century than may previously have been thought, suggests a study published online ...

Mar 10, 2013
3.6 / 5 (7) 4 | with audio podcast

Redder ladybirds more deadly, say scientists

A ladybird's colour indicates how well-fed and how toxic it is, according to an international team of scientists. Research led by the Universities of Exeter and Liverpool directly shows that differences between ...

Feb 06, 2012
4.3 / 5 (6) 2 | with audio podcast

You scratch my back and I'll scratch yours

Suppose you held in your hands a bunch of individuals from different species, sort of like a miniature Jumanji set. You have some cows, some bacteria, some plants, some bugs, and a whole bunch of other living ...

Sep 02, 2013
4.2 / 5 (5) 1 | with audio podcast

Early warning signs of population collapse

Many factors—including climate change, overfishing or loss of food supply—can push a wild animal population to the brink of collapse. Ecologists have long sought ways to measure the risk of such a collapse, ...

Apr 10, 2013
3.8 / 5 (6) 0 | with audio podcast