News tagged with population fluctuations

Competition is at the root of diversity in rainforests: study

Another attractive theory falls foul of the facts. A census of trees in rainforests on three continents has confirmed that competition plays a central role in structuring communities. This contradicts the so-called neutral ...

Biology / Ecology

created Jan 26, 2012 | popularity 4 / 5 (1) | comments 8 | with audio podcast

Ocean's harmful low-oxygen zones growing, are sensitive to small changes in climate

(PhysOrg.com) -- Fluctuations in climate can drastically affect the habitability of marine ecosystems, according to a new study by UCLA scientists that examined the expansion and contraction of low-oxygen ...

Space & Earth / Earth Sciences

created Jun 17, 2011 | popularity 5 / 5 (11) | comments 7 | with audio podcast

Sick fish may get sicker: Climate change and other stresses expected to affect entire populations of fish

Entire populations of North American fish already are being affected by several emerging diseases, a problem that threatens to increase in the future with climate change and other stresses on aquatic ecosystems, according ...

Biology / Ecology

created Aug 03, 2009 | popularity 3 / 5 (2) | comments 0




Search results for population fluctuations


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 ...

Biology / Ecology

created Jun 01, 2012 | popularity 4.4 / 5 (7) | comments 17 | with audio podcast

Toxic mercury, accumulating in the Arctic, springs from a hidden source

(Phys.org) -- Environmental scientists at Harvard have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry ...

Space & Earth / Earth Sciences

created May 21, 2012 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast

Researchers map the city's heat

Steel – the traditional industry for which the UK city of Sheffield is so well known – could help provide a green alternative for heating the city's homes and businesses, alongside other renewable energy sources.

Technology / Energy & Green Tech

created May 13, 2012 | popularity 4 / 5 (2) | comments 3

The desert Southwest: Oasis or mirage?

(Phys.org) -- The American West has a drinking problem. On farms and in cities, we are guzzling water at an alarming rate.

Space & Earth / Environment

created May 09, 2012 | popularity 4 / 5 (7) | comments 8

Weed-eating fish 'help protect jobs, livelihoods'

Jobs, livelihoods and ecotourism industries can benefit from having a diverse supply of weed-eating fish on the world's coral reefs, marine researchers say.

Space & Earth / Environment

created May 08, 2012 | popularity 5 / 5 (2) | comments 0

The human cost of economic policy

New research will bring social scientists closer to uncovering the economic basis of a “gigantic human catastrophe” that followed the fall of communism in the former Soviet Union.

Other Sciences / Social Sciences

created May 07, 2012 | popularity 3.7 / 5 (3) | comments 1

Global warming: New research emphasizes the role of economic growth

It's a message no one wants to hear: To slow down global warming, we'll either have to put the brakes on economic growth or transform the way the world's economies work.

Space & Earth / Environment

created May 01, 2012 | popularity 3.9 / 5 (13) | comments 133

Researchers use weather model to recommend East Coast offshore wind farms

Most energy experts agree that cheap, clean, renewable wind energy holds great potential to help the world satisfy energy needs while reducing harmful greenhouse gases. But how can fluctuating wind power be ...

Technology / Energy & Green Tech

created Apr 25, 2012 | popularity not rated yet | comments 0

Predicting the microbial 'weather'

New computer models are letting scientists forecast changes in the population of microbes in the English Channel up to a week in advance.

Biology / Cell & Microbiology

created Apr 17, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

'Diesel Reloaded:' A vehicle for rethinking mobility rolls into Hannover Messe

Public can see the latest progress in a unique, ongoing electromobility research project during the international trade fair MobiliTec, which takes place April 23-27 at the Hannover Messe. Embodied in a sleek, ...

Technology / Engineering

created Apr 17, 2012 | popularity 4.7 / 5 (3) | comments 0


List of search results for population fluctuations