Navigation Links
Grazing snails rule the waves
Date:5/31/2012

Coral reefs and seashores largely look the way they do because large fish and urchins eat most of the seaweed that might otherwise cover them, but a major new study has found that the greatest impact of all comes from an unexpected quarter small marine snails.

The study published in the journal Ecology Letters is the largest of its kind ever undertaken into the ecological impacts of marine grazing animals: it was led by Associate Professor Alistair Poore, of the UNSW Evolution & Ecology Research Centre, who worked with an international team of 10 researchers.

It found that, on average, marine herbivores remove almost 70% of the plant material growing on the sea floor an effect far greater than grazing animals have on land plants.

"We found that across the globe marine herbivores profoundly reduce the abundance of marine plants, with the strongest effects in rocky seashores," says Poore.

"Icons like the Great Barrier Reef would look very different otherwise: the corals and rocks are usually free of seaweed, but that's only because animals eat all the plants as soon as they grow.

"Big animals such as fish and urchins have major impacts on reefs and kelp forests but what may surprise many people is that we found that the strongest impacts of all were snails controlling seaweeds on rocky shores."

The study team analysed results from over 600 experiments, conducted over the past 40 years across the planet, where ecologists have experimentally removed herbivores to understand their importance in structuring marine habitats.

Manipulating animals in their natural habitats is the most powerful technique to understand how ecological interactions work, they note.

"When these grazing animals are removed, the seaweeds quickly start to dominate," notes Poore. "One of the exercises we give our students to illustrate this is to visit a rocky shore at Sydney's Maroubra Beach and remove all the snails fr
'/>"/>

Contact: Bob Beale
bbeale@unsw.edu.au
University of New South Wales
Source:Eurekalert

Page: 1 2

Related biology news :

1. Grazing management effects on stream pollutants
2. AgriLife research: Multi-paddock grazing is superior to continuous grazing
3. Grazing as a conservation tool
4. SU biologist partners with National Park Service to study bison grazing in Yellowstone
5. How grazing lands influence greenhouse gas
6. ARS scientists study effects of grazing on grouse habitat
7. Alperujo -- a beneficial complement in diet of dairy sheep during non-grazing periods
8. Grazing animals help spread plant disease
9. Sea snails help scientists explore a possible way to enhance memory
10. In bubble-rafting snails, the eggs came first
11. Research into molluscan phylogeny reveals deep animal relationship of snails and mussels
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/28/2014)... of two additional coral communities showing signs of damage from ... the 2010 spill in the Gulf of Mexico. The discovery ... of biology at Penn State University. A paper describing this ... the Gulf of Mexico will be published during the last ... the journal Proceedings of the National Academy of Sciences ...
(Date:7/28/2014)... Millions of people in the United States have a ... It can be painful and may even require surgery ... skeletal muscle wasting and, in turn, limb amputation. , ... Houston (UTHealth) Medical School, scientists tested a non-surgical preventative ... it was associated with increased blood circulation. Their ...
(Date:7/28/2014)... Yale School of Medicine have pinpointed a mechanism in part ... in the blood, linking it to both type 1 and ... 28 issue of Proceedings of the National Academies of ... enzyme located in a part of the hypothalamus known ... in motion that control glucose levels in the blood," said ...
Breaking Biology News(10 mins):Impact of Deepwater Horizon oil spill on coral is deeper and broader than predicted 2Scientists discover genetic switch that can prevent peripheral vascular disease in mice 2Glucose 'control switch' in the brain key to both types of diabetes 2
... rules of school are simple: it is all about watching ... what they do. Researchers at the mathematics department at Uppsala ... fish apply similar rules when traveling in small shoals. ... are seen in the collective motion of fish schools and ...
... CYBERSECURITY -- Foiling exfiltration . . . Computer ... being developed by a team led by Justin Beaver of ... months, attackers who breach a system,s defense have a distinct ... a window into potentially sensitive data and their true identity ...
... HOUSTON, Nov. 8, 2011 Thanks to almost $1 million ... of Texas (CPRIT), the University of Houston (UH) will soon ... grant will be applied toward the purchase and installation of ... and cancer progression. With access to the latest in imaging ...
Cached Biology News:Fish follow the rules to school 2Story tips from the US Department of Energy's Oak Ridge National Laboratory, November 2011 2Story tips from the US Department of Energy's Oak Ridge National Laboratory, November 2011 3Story tips from the US Department of Energy's Oak Ridge National Laboratory, November 2011 4UH receives $990K grant to enhance cancer research facilities 2
(Date:7/28/2014)... COLLEGE STATION, Texas , July 28, 2014   ... will be a 177-key, 4-star boutique hotel in the heart of ... , Texas.  Photo - http://photos.prnewswire.com/prnh/20140725/130455 ... first hotel within ATLAS , The ... of standard rooms and suites, a sleek restaurant and bar, a ...
(Date:7/25/2014)... (PRWEB) July 26, 2014 "Ischemic ... H2, 2014" provides data on the Ischemic Stroke ... provides elemental information and data relating to the ... , View full global Ischemic Stroke Research Report ... an overview of the trial numbers and their ...
(Date:7/25/2014)... DUBLIN , July 25, 2014 ... of the "Global Metabolomics Market 2014-2018" ... http://photos.prnewswire.com/prnh/20130307/600769 Metabolomics or Metabonomics ... metabolites. Metabolomics has become a new experimental technique ... and the environmental sciences. Metabolites are small molecules ...
(Date:7/25/2014)... Lawrence Livermore scientists Charles Westbrook and William ... " The World's Most Influential Scientific Minds ." , ... who were identified by analyzing citation data over the ... highest-impact work (2002-2012 and 2012-2013). The two were selected ... . , "This recognition is a great honor for ...
Breaking Biology Technology:Texas' Biocorridor Announces the Atlas Hotel, Centerpiece of Mixed Use Community for Biotech Industry 2Texas' Biocorridor Announces the Atlas Hotel, Centerpiece of Mixed Use Community for Biotech Industry 3Texas' Biocorridor Announces the Atlas Hotel, Centerpiece of Mixed Use Community for Biotech Industry 4Ischemic 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 3Global Metabolomics Market 2014-2018: Key Vendors are Agilent, Bio-Rad, Bruker, Human Metabolome and Metabolon 2Scientists Burst onto Influential List for Combustion Research 2Scientists Burst onto Influential List for Combustion Research 3Scientists Burst onto Influential List for Combustion Research 4
... Abstracts Accepted for Presentation at ASCO, SOUTH SAN FRANCISCO, ... hold an investor and analyst briefing in,conjunction with the 44th ... 6:00 p.m. to 8:00 p.m. CT on Monday, June 2,2008., ... and Chief Executive Officer -- Michael M. Morrissey, PhD, ...
... the launch of a new collaborative website initially focusing ... The WikiProfessional technology underlying the site has been developed ... Centrals open access journal Genome Biology, WikiProteins provides a ... , The article is written by Barend Mons of ...
... miniaturization, carbon nanotubes which are about 100,000 times ... and very useful properties have become the choice ... and mechanical devices. But it is precisely their infinitesimal ... that make it difficult for scientists to manipulate nanotubes. ...
Cached Biology Technology:REMINDER: Exelixis Will Webcast Its June 2 Investor and Analyst Briefing at ASCO 2REMINDER: Exelixis Will Webcast Its June 2 Investor and Analyst Briefing at ASCO 3REMINDER: Exelixis Will Webcast Its June 2 Investor and Analyst Briefing at ASCO 4Large-scale community protein annotation -- WikiProteins 2Weizmann Institute scientists create new nanotube structures 2
Rat Antibody to Mouse TCR VB8.1,8.2:FITC Recognises the V beta 8.1 and V beta 8.2 determinants of the murine T cell receptor. Specificity: mouse TCR VB8.1 and 8.2...
fli-1...
Vesicle Associated Membrane Protein (VAMP 1/2)...
Anti-Mouse Valpha 2 TCR, Purified (Clone B20.1) (rat IgG2a)...
Biology Products: