Navigation Links
Weed-eating fish 'help protect jobs, livelihoods'
Date:5/8/2012

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.

Despite their small size, relative to the sharks, whales, and turtles that often get more attention, herbivorous fish play a vital role in maintaining the health of coral reefs, which support the livelihoods of 500 million people worldwide, say researchers from the ARC Centre of Excellence for Coral Reef Studies at James Cook University, and the Australian Institute of Marine Science.

"Herbivorous fishes protect coral reefs by limiting the growth of algae, or seaweed," says Loc Thibaut, lead researcher of a new study that has been published in the journal Ecology. "Seaweeds grow rapidly and compete with corals for space. If left unchecked, they can smother the corals and take over the reefs. This shift, once it happens, is extremely difficult to reverse."

The study shows that having high biodiversity of herbivorous fishes provides strong "insurance" for coral reefs. A diverse set of herbivores ensures that seaweeds are kept under control, because when some species take a hit and decline, others increase to fill the gap. This makes seaweed control more stable over time, something researchers call the "portfolio effect".

"It's like having a diverse stock portfolio you wouldn't put all your money into one particular stock, because if that company goes down, so will your life savings," says Professor Sean Connolly, a Chief Investigator at the Centre. "A very similar principle works in ecosystems."

An example of the disastrous effects of having only one herbivore as 'gatekeeper' is the extensive coral loss in the Caribbean in the 1980s.

"In the 80s, overfishing left a species of sea urchin as the only animal controlling seaweed growth on Caribbean reefs. When a disease broke out, the sea urchin population collapsed - and there was nothing to keep th
'/>"/>

Contact: Sean Connolly
Sea.Connolly@jcu.edu.au
61-419-422-815
ARC Centre of Excellence in Coral Reef Studies
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Weed-eating fish key to reef survival
2. Study in underwater laboratory may help manage seaweed-eating fish that protect coral
3. Flooding might help lower gas emission from wetlands
4. Saliva proteins could help detection of oral cancer
5. Beetles get by with a little help from their friends
6. So-called sandfish could help materials handling and process technology specialists
7. H. Pylori bacteria may help prevent some esophageal cancers
8. APS sets aside $50,000 to help students, post-docs, in wake of Hurricane Ike
9. MSU scientists find new gene that helps plants beat the heat
10. Extreme nature helps scientists design nano materials
11. Did termites help Katrina destroy New Orleans floodwalls?
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:8/28/2014)... MD FASEB MARC (Maximizing Access to Research ... for the American College of Sports Medicine,s Conference ... 2014 in Miami, Florida. These awards are ... doctorates and scientists from underrepresented groups into the ... encourage the participation of young scientists at the ...
(Date:8/28/2014)... Philadelphia, PA, August 28, 2014 Dyslexia, the ... States, is a neurological reading disability that occurs ... written language don,t function normally. , The use ... how brain activity is disrupted in dyslexia. However, ... small number of brain regions, leaving a gap ...
(Date:8/28/2014)... health risk to people with asthma according to a new ... Immunology . , By critically reviewing the findings from 17 ... the presence of several types of mould can lead to ... likelihood of developing the condition. , The research has been ... School and is the first time all of the information ...
Breaking Biology News(10 mins):Dyslexic readers have disrupted network connections in the brain 2Indoor mold poses health risk to asthma sufferers 2
... that human inheritance is spelled out in our DNA and ... a variety of methods that our cells have evolved to ... things, epigenetics is crucial to differentiation, the process which makes ... of the mystery of stem cells. , Genomic ...
... The study, which was directed by Scripps Research ... the September 8 issue of The Journal of ... pathway-different than the one previously suggested-for the biosynthesis ... the endogenous cannabinoid ("endocannabinoid") anandamide. The high activity ...
... was directed by Scripps Research Professor Benjamin Cravatt, ... issue of The Journal of Biological Chemistry. , ... one previously suggested-for the biosynthesis of neurotransmitter lipids, ... ("endocannabinoid") anandamide. The high activity of the enzyme ...
Cached Biology News:Inheritance outside DNA 2Nanotechnology propels advances in regenerative medicine research 2Brown seaweed contains promising fat fighter, weight reducer 2
(Date:8/29/2014)... August 29, 2014 According to a new ... the global orthobiologics market was valued at USD 3,754.6 million ... USD 5,519.9million in 2019at a CAGR of 5.9% from 2013 ... years and above is afflicted by bone and joint disorders, ... year 2020. This has and will continue to increase the ...
(Date:8/29/2014)... Due to a misstatement posted by the ... Stem Cell Technology Center, LLC ( ASCTC ) was reported ... research that might benefit ALS patients. Because of ASCTC's ... cell technologies and therapeutic applications, FRC listed ASCTC as one ... donors who wish not to support research that requires the ...
(Date:8/28/2014)... 28, 2014 Best Sanitizers, Inc., the ... alcohol-based hand sanitizer, asks food processors and food handling ... hand sanitizer they’re currently using to Best Sanitizers’ ... is critical to fighting cross-contamination and the spread of ... believes there are key criteria that make a hand ...
(Date:8/28/2014)... The ability for organizations to attract ... allow individuals to perform at the highest of levels, ... looking to compete in this post–recession era. The ... as the sector increasingly focuses on the importance of ... have real results on the organization's development and the ...
Breaking Biology Technology:Global Orthobiologics Market to Reach $5,519.9 Million by 2019: Transparency Market Research 2Global Orthobiologics Market to Reach $5,519.9 Million by 2019: Transparency Market Research 3The Adult Stem Cell Technology Center, LLC Declines ALS Ice Bucket Challenge Donors Wishing to Support Ethical Research for New Stem Cell Therapies 2The Adult Stem Cell Technology Center, LLC Declines ALS Ice Bucket Challenge Donors Wishing to Support Ethical Research for New Stem Cell Therapies 3Food Processors and Food Handlers are Encouraged to Prepare for Fall Harvest by Evaluating Their Current Hand Sanitizer Using Nine Key Criteria 2Food Processors and Food Handlers are Encouraged to Prepare for Fall Harvest by Evaluating Their Current Hand Sanitizer Using Nine Key Criteria 3Klein Hersh International Leads Philadelphia Area Life Science Industry in Company Culture 2Klein Hersh International Leads Philadelphia Area Life Science Industry in Company Culture 3
... , , , , , , ... of conditions that can be applied to all PCR amplifications. For example, , ... , of the PCRs can differ from each other. Finding ... a prerequisite for reliable results , and efficient amplification of ...
... , , , , ... , DNA fragment using the PCR* are an everyday ... bands may form after the PCR reaction, which hinder, , ... etc.) or an unequivocal assessment of the PCR result. In such cases, ...
... Missing cDNA 5' Ends , Using the Eppendorf Mastercycler gradient ... , Ulrich Genschel , Institute of ... , , , , ... In many research projects, cDNA isolation forms the basis for detailed , ...
Cached Biology Technology:PCR Optimization 2PCR Optimization 3Using Gradient PCR to determine the optimum annealing temperature. 2Optimizing the Direct Amplification of Missing cDNA 5' Ends, Using the Eppendorf Mastercycler gradient 2Optimizing the Direct Amplification of Missing cDNA 5' Ends, Using the Eppendorf Mastercycler gradient 3Optimizing the Direct Amplification of Missing cDNA 5' Ends, Using the Eppendorf Mastercycler gradient 4Optimizing the Direct Amplification of Missing cDNA 5' Ends, Using the Eppendorf Mastercycler gradient 5
RABBIT ANTI NEOPTERIN...
... Beagle Serum • Beagle serum is collected ... one year of age Available Anticoagulants: ... (Na) N-06: K2EDTA N-08: ... N-03: Alsevers N-05: ACD ...
Collected from normal, healthy animals in carefully maintained standing herds of US orgin. Pricing: $45/unit for 1 - 10 units...
Ready-to-use; 40mg/ml X-Gal and 32mg/ml IPTG...
Biology Products: