Navigation Links
Study: Ecological effects of biodiversity loss underestimated
Date:11/30/2010

ses, hundreds of species in an ecosystem. Rudolf said Lafferty's food webs include data about specific resource requirements for particular developmental stages within species, in some instances for as many as 50 percent of the species in the ecosystem.

"With this data, we were able to estimate the percentage of resources that are actually shared among developmental stages," Rudolf said. "In addition, we were able to show how this affects the stability of natural ecosystems.

"We found that in most food webs, the individual stages of a species typically share less than 50 percent of their resources," he said. "And within certain subgroups, like metamorphic species, that number is sometimes less than 10 percent."

The researchers used the information to formulate computer models that simulated how the loss of species affects natural ecosystems. One important implication of the finding is that natural ecosystems are much less stable than previously assumed, and many at-risk species may face an even greater likelihood of becoming extinct than ecologists previously thought.

"Our results suggest that the increasing loss of biodiversity -- due to changing climate, habitat destruction and other causes -- will likely have much more devastating effects on natural communities and result in a greater number of species extinctions than previously believed," Rudolf said.


'/>"/>

Contact: David Ruth
druth@rice.edu
713-348-6327
Rice University
Source:Eurekalert

Page: 1 2

Related biology news :

1. Study: urban black bears live fast, die young
2. Study: Bird diversity lessens human exposure to West Nile Virus
3. Study: Tropical wetlands hold more carbon than temperate marshes
4. Study: Wildlife need more complex travel plans
5. Study: Elderly Women can increase strength but still risk falls
6. UNC study: Text messaging may help children fight off obesity
7. Study: Did early climate impact divert a new glacial age?
8. Study: Excessive use of antiviral drugs could aid deadly flu
9. UNC study: Tinkering with the circadian clock can suppress cancer growth
10. Study: Fluid buildup in lungs is part of the damage done by the flu
11. Study: Health undervalued in reproductive rights debate
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/20/2015)... --Research and Markets ( http://www.researchandmarkets.com/research/rswjb4/hand_geometry ) has announced ... Business Report" report to their offering. This ... Thousands. The report provides separate comprehensive analytics for the US, ... Europe , Asia-Pacific , ... Annual estimates and forecasts are provided for the ...
(Date:3/20/2015)... Research and Markets ( http://www.researchandmarkets.com/research/vkzvcs/iris_biometrics ) has ... Strategic Business Report" report to their offering. ... US$ Thousands. The report provides separate comprehensive analytics for the ... , Europe , Asia-Pacific ... Latin America . Annual estimates and forecasts ...
(Date:3/18/2015)... , March 18, 2015 As ... businesses, new revolutionary smart wallets and apps continue to be ... currently entrenched in the mobile payment industry in focus today ... Holding Ltd. (NYSE: BABA ), Apple Inc. (NASDAQ: ... ) and Facebook Inc. (NASDAQ: FB ) ...
Breaking Biology News(10 mins):Hand Geometry - Global Strategic Business Report 2015: An Essential Security Component for both Government & Enterprise Sector 2Hand Geometry - Global Strategic Business Report 2015: An Essential Security Component for both Government & Enterprise Sector 3Hand Geometry - Global Strategic Business Report 2015: An Essential Security Component for both Government & Enterprise Sector 4Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 2Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 3Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 4Iris Biometrics - Global Strategic Business Report 2015: System & Network Access Control - A Robust Market Opportunity in the Offing 5Revolutionary Smart Wallet & Mobile Payment Choices Change the Game for Consumers - Company Begins Shipping Newest Digital Wallet to Customers 2Revolutionary Smart Wallet & Mobile Payment Choices Change the Game for Consumers - Company Begins Shipping Newest Digital Wallet to Customers 3Revolutionary Smart Wallet & Mobile Payment Choices Change the Game for Consumers - Company Begins Shipping Newest Digital Wallet to Customers 4Revolutionary Smart Wallet & Mobile Payment Choices Change the Game for Consumers - Company Begins Shipping Newest Digital Wallet to Customers 5Revolutionary Smart Wallet & Mobile Payment Choices Change the Game for Consumers - Company Begins Shipping Newest Digital Wallet to Customers 6
... for alternative energy sources heats up, researchers at the ... how genes responsible for biomass breakdown are turned on ... like grass and cornstalks. , Waste products such as ... turn into ethanol—may soon be fodder for hungry, gene-tweaked ...
... how a fruit fly is able to locate and blissfully ... especially since its flight path seems to be so erratic? ... at Rothamsted Research in the United Kingdom have been pondering ... using a series of straight flight paths punctuated by rapid ...
... and vegetables that had been thought to be nutritionally ... no value in that role, according to an analysis ... State University. , However, these same compounds may indeed ... different ?the body sees them as foreign compounds, researchers ...
Cached Biology News:Genome sequencing reveals key to viable ethanol production 2Genome sequencing reveals key to viable ethanol production 3Flies don't buzz about aimlessly! 2Studies force new view on biology of flavonoids 2Studies force new view on biology of flavonoids 3
(Date:4/27/2015)... Kan. , April 27, 2015   ... a pet therapeutics company focused on the licensing, ... companion animals, today provided commentary on clinical study ... during a poster session at the American Association ... ADXS31-164 is a novel Lm -LLO ...
(Date:4/27/2015)... DryLet, LLC a biotechnology company ... as animal waste reduction, bioremediation, wastewater treatment, aquaculture ... treatment plants and restaurant kitchen settings, announced today ... Commission on Environmental Quality (TCEQ) Environmental Trade Fair ... The company will highlight three of its key ...
(Date:4/27/2015)... , April 27, 2015  Together with its ... 3rd ESTRO Forum in Barcelona . ... nonprofit organization with the mission to improve cancer care, ... Radiating Hope believes that no patient should be denied ... affordable. Consequently, it cooperates with hospitals and clinics around ...
(Date:4/24/2015)... City, SD and Tempe, AZ (PRWEB) April 24, 2015 ... & Technology and Arizona State University (ASU) have entered ... other joint projects. , A memorandum of agreement signed ... research, long distance learning, student success and other services ... natural resources. , “We have complementary strengths and ...
Breaking Biology Technology:Aratana Therapeutics Comments on ADXS31-164 (AT-014) Study Data Presented During Poster Session at the American Association for Cancer Research (AACR) Annual Meeting 2015 2DryLet to Showcase Multiple Products at Texas Commission on Environmental Quality Trade Fair and Conference May 5-6 in Austin, Texas 2Elekta helps raise $33,000 to bring radiation treatment to developing countries 2Elekta helps raise $33,000 to bring radiation treatment to developing countries 3South Dakota Mines, Arizona State University Pave Way for Cooperative Research 2
... May 7, 2012 Aviir Diagnostic Laboratory has entered into ... participating provider with TRPN and its 10 million lives network. ... in 1996 as a company that was contracted to provide ... needed to access a network that would grant PPO type ...
... NEW YORK, May 7, 2012 Intellect Neurosciences, ... discovery and development of disease-modifying therapeutic agents for ... today announced two new programs in its Alzheimer,s ... two antibodies that target early neurotoxic forms of ...
... of a meter, nanoparticles are way too small to see ... today,s scientists not only to see them, but also to ... dimensions using a technique called nanocrystallography. Trouble is, the powerful ... only available at a handful of facilities around the world. ...
Cached Biology Technology:Aviir Laboratories Announce National Agreement with Three Rivers Provider Network 2Intellect Neurosciences Adds Two New Tau Programs to its Alzheimer's Disease Development Pipeline 2Intellect Neurosciences Adds Two New Tau Programs to its Alzheimer's Disease Development Pipeline 3Intellect Neurosciences Adds Two New Tau Programs to its Alzheimer's Disease Development Pipeline 4New technique uses electrons to map nanoparticle atomic structures 2New technique uses electrons to map nanoparticle atomic structures 3
... exclusively by BioLegend, the Quansys Biosciences Q-Plex ... analysis of cytokines/chemokines for human, mouse, and ... is a fully quantitative ELISA-based test where ... to each well of a 96-well plate ...
The strip cap tool is a used for properly seating 8- and 12-cap strips in microplates or strip tubes. A grooved channel on one side is designed to seat domed caps, while the flat edge on the opposite...
... The expertise that made the original Gene ... electroporation system available has been applied in the ... circuitry. The modular design of the Gene Pulser ... the accessory that has the widest range of ...
Caliper offers a wide array of standard LabChip products designed to be used in combination with our AMS 90 and LabChip 3000 microfluidic platforms....
Biology Products: