Navigation Links
Exploited fish make rapid comeback in world's largest no-take marine reserve network
Date:6/23/2008

No-take marine reserves, in which fishing is completely banned, can lead to very rapid comebacks of the fish species most prized by commercial and recreational fisheries, reveals a new study of Australia's Great Barrier Reef published in the June 24th issue of Current Biology, a Cell Press publication.

The researchers found in most cases that coral troutthe major targets of commercial and recreational hook-and-line fisheries in Australiabounced back in no-take reserves compared to fished sites in two years or less.

" We were surprised that we documented increases in coral trout density of 31% to 68% in such a short time," said study author Garry Russ of James Cook University in Queensland. "Others have seen such rapid increases in smaller-scale studies, usually at one or a few small reserves. The big surprise was that we detected a consistent, rapid increase in multiple large reserves spread over 1000 km offshore and 700 km inshore. This represents a positive and unprecedented response to reserve protection."

The new findings come from a joint study by scientists from James Cook University and the Australian Institute of Marine Science.

Australia's Great Barrier Reef Marine Park generates AU$5.8 billion annually from tourism and fisheries, the researchers said. In mid-2004, the Australian Government rezoned the park, placing more than 20% of each of 70 bioregions within it into the world's largest network of no-take marine reserves, covering more than 100,000 km.

The move sparked intense community interest and affected livelihoods, making monitoring of the new reserve network's effects imperative, the authors noted. In the new study, the teams used underwater visual census to survey reef organisms in new coral reef reserves and in control areas that remained open to fishing before and again 1.5 to 2 years after the reserves were put into place.

They found that the coral trout numbers were significantly higher in no-take reserves than in sites that remained open to fishing in four of five offshore regions and two of three inshore regions of the Great Barrier Reef.

The findings are probably due to decreased fishing mortality inside the new reserves, rather than increased fishing outside, they said. In inshore areas, where most recreational fishing occurs, the data showed increases in coral trout density inside reserves rather than decreases in adjacent fished areas after rezoning.

"Although preliminary, our results provide an encouraging message that bold political steps to protect biodiversity can produce rapid, positive results for exploited species at ecosystem scales," Russ said. "The people of Australia got what they wanted: more protection for an Australian icon. And it will help to boost tourism even more. It is an important lesson for the entire world."


'/>"/>

Contact: Cathleen Genova
cgenova@cell.com
617-397-2802
Cell Press
Source:Eurekalert

Related biology news :

1. Massive Canadian oilfield could be exploited using new UK system
2. Birds migrate earlier, but some may be left behind as the climate warms rapidly
3. Researchers document rapid, dramatic reverse evolution in the threespine stickleback fish
4. Arbor Vita rapid H5N1 flu diagnostic presented at ICEID meeting
5. New decontamination system kills anthrax rapidly without lingering effects
6. Selexis Announces Advanced Approach to Maximize Power of Genetic Elements for Rapid Development of High Performance Cell Lines
7. Asian waterbirds stage remarkable comeback
8. Quantum weirdness, parallel worlds, dinosaur poop, and the ultimate fate of the universe...
9. The best both of worlds -- how to have sex and survive
10. Largest ever acoustics meeting is next month from June 30 to July 4, in Paris, France
11. Findings released from 1 of the largest percutaneous coronary intervention trials ever
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:6/14/2017)... -- IBM (NYSE: IBM ) is introducing several innovative partner ... developing collaboration between startups and global businesses, taking place in ... event, nine startups will showcase the solutions they have built ... France is one of ... 30 percent increase in the number of startups created between ...
(Date:5/16/2017)... TEANECK, N.J. , May 16, 2017  Veratad ... leading provider of online age and identity verification solutions, ... the K(NO)W Identity Conference 2017, May 15 thru May ... Ronald Regan Building and International Trade Center. ... across the globe and in today,s quickly evolving digital ...
(Date:5/6/2017)... May 5, 2017 RAM Group ... a new breakthrough in biometric authentication based on ... mechanical properties to perform biometric authentication. These new sensors ... material created by Ram Group and its partners. This ... transportation, supply chains and security. Ram Group is ...
Breaking Biology News(10 mins):
(Date:7/26/2017)... ... July 26, 2017 , ... Franz Inc ., an ... technology for Knowledge Graphs, today announced Gruff v7.0 , the industry’s leading ... users and graph experts the ability to visually build queries and explore connections ...
(Date:7/26/2017)... ... July 25, 2017 , ... The leading Regenerative Veterinary ... stem cell therapy has been used on more than 13,000 animals. VetStem ... potentially fatal injuries to tendons and ligaments. , In 2003 VetStem signed a ...
(Date:7/26/2017)... ... July 26, 2017 , ... Joni Rutter, Director of ... of Health (NIH), will be one of the esteemed presenters at the 9th ... a multi-stakeholder discussion on the latest advancements in the precision and personalized medicine ...
(Date:7/25/2017)... CT (PRWEB) , ... July 25, 2017 , ... ... products that enhance the microbiome and improve efficiency of livestock farming while reducing ... that it has licensed additional intellectual property from Cornell University. , These ...
Breaking Biology Technology: