Frontpage » Tag » food webs

News tagged with food webs

New study provides insight into Southern Ocean food web

One of the most comprehensive studies of animals in the Southern Ocean reveals a region that is under threat from the effects of environmental change.

Space & Earth / Environment

created Feb 03, 2012 | popularity 4.5 / 5 (2) | comments 0

China govt under fire over new food bacteria rule

China's state-run media and web users criticised the government Friday after it ruled that small amounts of a potentially lethal bacterium were permissible in frozen food.

Medicine & Health / Health

created Nov 25, 2011 | popularity 1 / 5 (1) | comments 1

A new model for understanding biodiversity

(PhysOrg.com) -- Animals like foxes and raccoons are highly adaptable. They move around and eat everything from insects to eggs. They and other "generalist feeders" like them may also be crucial to sustaining ...

Biology / Ecology

created Nov 21, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Urban light pollution and its impact on nocturnal activity

Researchers in Germany have discovered that urban light pollution not only limits the visibility of stars, but also plays havoc with nocturnal animals that depend on a compass-like pattern of polarised light ...

Space & Earth / Earth Sciences

created Nov 01, 2011 | popularity 5 / 5 (5) | comments 0

Land animals, ecosystems walloped after Permian dieoff

The cataclysmic events that marked the end of the Permian Period some 252 million years ago were a watershed moment in the history of life on Earth. As much as 90 percent of ocean organisms were extinguished, ...

Space & Earth / Earth Sciences

created Oct 26, 2011 | popularity 5 / 5 (6) | comments 1 | with audio podcast

Earth is having a bad acid trip, study finds

Earth may be overdosing on acid - not the "turn on, tune in, drop out" kind, but the "kill fish, kill coral, kill crops" kind. And it's shaping up to be a very bad trip.

Space & Earth / Environment

created Oct 03, 2011 | popularity 5 / 5 (5) | comments 5

Global warming brings crab threat to Antarctica

The sea floor around the West Antarctica peninsula could become invaded by a voracious king crab, which is on the march thanks to global warming, biologists reported on Wednesday.

Biology / Ecology

created Sep 07, 2011 | popularity 3.9 / 5 (7) | comments 12

Depletion of the body snatchers: Bad news for marine environment

A recent study conducted for The IUCN Red List of Threatened Species has determined that 20 percent of hagfish species are at an elevated risk of extinction*. Scientists warn that this figure could be much ...

Biology / Ecology

created Jul 29, 2011 | popularity 4.3 / 5 (6) | comments 2

Harvesting of small fish species should be cut: study

(PhysOrg.com) -- New research on the fishing of small fish species near the bottom of their food chains suggests harvesting at levels previously thought to be sustainable could have devastating effects on ...

Biology / Ecology

created Jul 22, 2011 | popularity 4.8 / 5 (8) | comments 5 | with audio podcast report

Loss of large predators has caused widespread disruption of ecosystems

(PhysOrg.com) -- The decline of large predators and other "apex consumers" at the top of the food chain has disrupted ecosystems all over the planet, according to a review of recent findings conducted by an ...

Biology / Ecology

created Jul 19, 2011 | popularity 4.5 / 5 (2) | comments 1 | with audio podcast

Fossil forensics reveals how wasps populated rotting dinosaur eggs

Exceptionally preserved fossils of insect cocoons have allowed researchers in Argentina to describe how wasps played an important role in food webs devoted to consuming rotting dinosaur eggs. The research ...

Other Sciences / Archaeology & Fossils

created Jul 15, 2011 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

Jellyfish blooms shunt food energy from fish to bacteria

A new study by researchers at the Virginia Institute of Marine Science (VIMS) shows that jellyfish are more than a nuisance to bathers and boaters, drastically altering marine food webs by shunting food energy ...

Biology / Ecology

created Jun 06, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

River mystery solved

The pristine state of unpolluted waterways may be their downfall, according to research results published in a paper this week in the journal Geophysical Research Letters.

Space & Earth / Environment

created Jun 03, 2011 | popularity 4.8 / 5 (5) | comments 0

Researchers link oceanic land crab extinction to colonization of Hawaii

University of Florida researchers have described a new species of land crab that documents the first crab extinction during the human era.

Biology / Ecology

created May 16, 2011 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Marine lab research tracks pollutants in dolphins, beluga whales

Bottlenose dolphins and beluga whales, two marine species at or near the top of their respective food webs, accumulate more chemical pollutants in their bodies when they live and feed in waters near urbanized ...

Space & Earth / Environment

created May 11, 2011 | popularity not rated yet | comments 0