Navigation Links
Large-scale biodiversity is vital to maintain ecosystem health
Date:6/7/2013

Over the years ecologists have shown how biological diversity benefits the health of small, natural communities. New analysis by ecologists at UC Santa Cruz demonstrates that even higher levels of biological diversity are necessary to maintain ecosystem health in larger landscapes over long periods of time.

Think of it as patches on a quilt, says Erika Zavaleta, UCSC associate professor of environmental studies. Each patch may be a diverse habitat of plants, animals, and insects but it is equally important that the landscape "quilt" is made up of a diversity of patches that are different from each other.

"A mix of meadows, young forest, old forest and shrub lands, for example, might provide more benefits than a landscape of continuous young forest, even if that young forest itself has high biodiversity" Zavaleta said.

Zavaleta and two ecologists who recently received Ph.D.s from UCSC illustrate the importance of landscape diversity in their article "Several scales of bioversity affect ecosystem multifunctionality" published this week in PNAS, Proceedings of the National Academy of Sciences.

Lead author Jae R. Pasari, who received his Ph.D. in 2011, conceived of the study for his dissertation. He, Zavaleta, and coauthor Taal Levi created simulations based on landmark research conducted by David Tilman, professor of ecology, evolution, and behavior at the University of Minnesota.

Tilman also a co-author created 168 plots nine meters square and planted them with randomized combinations of perennial grassland species. He was interested in how the plots would fare depending on the combination of species included.

Pasari, Levi, and Zavaleta took Tilman's data gathered since 1997 to create 7,512 experimental computerized landscapes. The computer simulations are grounded on very real data, Zavaleta said.

"We used the simulation models to create imaginary landscapes with many kinds of habitat
'/>"/>

Contact: Guy Lasnier
lasnier@ucsc.edu
831-459-2955
University of California - Santa Cruz
Source:Eurekalert

Page: 1 2

Related biology news :

1. Genes behind obesity mapped in large-scale study
2. The large-scale EU project EU BON: Towards integration with its global counterpart GEO BON
3. Medical societies to launch large-scale study on vein filter use
4. Can algae-derived oils support large-scale, low-cost biofuels production?
5. Launch of the EU large-scale integrating project BlueGenics to combat osteoporosis
6. Bay Area PV Consortium announces $7.5 million in grants to lower the cost of large-scale solar
7. Aware Provides Biometrics Software and Services for Three Large-Scale Border Management Systems
8. Scientists provide first large-scale estimate of reef shark losses in the Pacific Ocean
9. Encouraging signs for bee biodiversity
10. Online biodiversity databases audited: Improvement needed
11. Oregon Biodiversity Information Center wins 2013 Natureserve Network Collaboration Award
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/25/2014)... N.Y., July 25, 2014 In the first broad-scale estimate ... Service scientists and collaborators calculated that trees are saving ... 670,000 incidences of acute respiratory symptoms. , While trees, ... of less than 1 percent, the impacts of that ... of the reduced air pollution at nearly $7 billion ...
(Date:7/25/2014)... colonial era, 100,000s of people lived on the land ... fire to control the availability of plants they used ... to use fire to maintain desired habitat and natural ... Forest Service,s Pacific Southwest Station, will lead a ... Refuge during the Ecological Society of America,s 99th Annual ...
(Date:7/25/2014)... burn scars on this false-color image from the Terra satellite ... year,s rash of wildfires in Eastern Russia. The burn ... green background. The wildfires have broken across the remote ... in this false-color image from the MODIS instrument, it ... fires that continue. Two recent image features noted below show ...
Breaking Biology News(10 mins):First national study finds trees saving lives, reducing respiratory problems 2Fire ecology manipulation by California native cultures 2Fire ecology manipulation by California native cultures 3
... his Jan. 23 State of the Union address, President George ... foreign oil by requiring the production of 35 billion gallons ... five times the current target set by Congress of 7.5 ... are fuels derived from biological material. Currently, the main biofuel ...
... Fellow Michael Courtney has identified a new molecular pathway ... degeneration of brain cells, which in turn plays an ... Alzheimer's disease, epilepsy and stroke. Courtney and his team, ... University of Kuopio, joined forces with Docent Eleanor Coffey's ...
... in their diet could reduce their chances of developing cardiovascular disease ... today. , Researchers in Boston also found a reduction in salt ... up to a fifth. , Cardiovascular disease refers ... for example a stroke or heart disease. While there is ...
Cached Biology News:Cellulosic ethanol: Fuel of the future? 2Cellulosic ethanol: Fuel of the future? 3Researchers hot on the trail of brain cell degeneration 2Eating less salt could prevent cardiovascular disease 2
(Date:7/25/2014)... 26, 2014 "Ischemic Stroke and ... provides data on the Ischemic Stroke and Cerebral ... information and data relating to the clinical trials ... full global Ischemic Stroke Research Report 2014 at: ... of the trial numbers and their recruitment status ...
(Date:7/25/2014)... 25, 2014 Amgen (NASDAQ: AMGN ... a $0.61 per share dividend for the third quarter ... 5, 2014, to all stockholders of record as of ... About Amgen Amgen is committed to unlocking ... illnesses by discovering, developing, manufacturing and delivering innovative human ...
(Date:7/25/2014)... each person,s digestive tract. Scientists believe that some of ... infections, but their role in human health is not ... role of these bacteria, a team of researchers led ... in the bacterial populations of two research subjects over ... 25 issue of the journal Genome Biology , ...
(Date:7/25/2014)... the University of Leicester has furthered our understanding ... to create new materials using nanosized ,building blocks,. ... the prestigious academic journal Physical Review Letters ... in rich detail the structure and internal atomic ... molecule and a single helium atom. , The ...
Breaking Biology Technology:Ischemic Stroke and Cerebral Stroke Global Clinical Trials Review H2, 2014: MarketResearchReports.Biz 2Ischemic Stroke and Cerebral Stroke Global Clinical Trials Review H2, 2014: MarketResearchReports.Biz 3Amgen Announces 2014 Third Quarter Dividend 2Amgen Announces 2014 Third Quarter Dividend 3Monitoring the rise and fall of the microbiome 2Monitoring the rise and fall of the microbiome 3Breakthrough laser experiment reveals liquid-like motion of atoms in an ultra-cold cluster 2Breakthrough laser experiment reveals liquid-like motion of atoms in an ultra-cold cluster 3
... OSLO, Norway, June 17 , ... Shown to Improve Remission Rates and,Reduce Short-Term Mortality Compared ... Pharma ASA (OSE: CLAVIS) today announces positive final results,from ... drug, elacytarabine,(CP-4055), in patients with late-stage acute myeloid leukaemia ...
... ... and Communications Convergence , ... San Diego, CA (PRWEB) June 17, 2009 -- CommNexus and Leap ... unlimited wireless services, today announce their support for EvoNexus, a non-profit incubator dedicated to ...
... by Advanced Cell Technology,s Chief Scientist, Robert Lanza yields answers ... 16 MSNBC.com featured today Dr. Robert Lanza,s book (co-authored ... Consciousness are the Keys to Understanding the True Nature of ... Log." The article by Science Editor Alan Boyle includes ...
Cached Biology Technology:Phase II Trial Demonstrates Elacytarabine May Increase Survival Threefold in Patients With Late-Stage Leukaemia 2Phase II Trial Demonstrates Elacytarabine May Increase Survival Threefold in Patients With Late-Stage Leukaemia 3Phase II Trial Demonstrates Elacytarabine May Increase Survival Threefold in Patients With Late-Stage Leukaemia 4Phase II Trial Demonstrates Elacytarabine May Increase Survival Threefold in Patients With Late-Stage Leukaemia 5Phase II Trial Demonstrates Elacytarabine May Increase Survival Threefold in Patients With Late-Stage Leukaemia 6Phase II Trial Demonstrates Elacytarabine May Increase Survival Threefold in Patients With Late-Stage Leukaemia 7San Diego Wireless Heavyweight Leap Wireless Supports New Start-up Incubator 2San Diego Wireless Heavyweight Leap Wireless Supports New Start-up Incubator 3San Diego Wireless Heavyweight Leap Wireless Supports New Start-up Incubator 4MSNBC Publishes Free Online Abridgment of 'Biocentrism' 2MSNBC Publishes Free Online Abridgment of 'Biocentrism' 3
Glycerokinase; from Bacillus stearothermophilus...
... drives of VARIOMAG Magnetic Stirrers operate without ... or mechanical bearings, making VARIOMAG Magnetic Stirrers ... VARIOMAG inductive drive can be hermetically sealed, ... microorganisms. This is why VARIOMAG Magnetic Stirrers ...
...
... Ascent FL is equipped ... luminometric measurement technologies that ... of advanced features of ... Ascent. Fluoroskan Ascent FL ...
Biology Products: