Navigation Links
Palau's coral reefs show differential habitat recovery following the 1998 bleaching event

Coral reef bleaching, believed to be one of the detrimental effects of climate change, may receive a welcomed "buffer" through effective local management, according to new research by a team of scientists recording the long-term recovery of coral reefs in Palau and elsewhere.

"It appears that coral reefs are very resilient and can bounce back magnificently if subjected to good management practices and 10 years or so of pristine conditions," says Robert van Woesik, one of the authors of a new study showing that reefs off Palau, Micronesia, have recovered surprisingly well from a 1998 "bleaching" event, caused by high sea water temperatures. "The rare piece of good news in the problem of climate change is that good local management practices might aid recovery of coral reefs."

Van Woesik, a professor of biological sciences at Florida Institute of Technology, examined the recovery rates of reefs in Palau during three different periods following the 1998 bleaching ?in late 2001/early 2002, late 2002/early 2003, and late 2004/early 2005. Global climate models suggest that Micronesia is particularly vulnerable to climate change over the next millennia, and will be likely subjected to repeated thermal stress events and water temperatures considerably higher than historical averages.

Using underwater digital video cameras, van Woesik and his team examined the rate of coral recovery at 13 different sites, and found that recovery rates increased over time; notably, sheltered bay areas, which suffered less in 1998, appeared to support recovery of outer-reef, "wave-exposed sites," by providing a supply of coral larvae to the damaged reefs. The researchers also found that recovery rates were significantly higher between 2002 and 2004 than between 2001-2002.

Because Micronesia is at a great distance from large human population centers, van Woesik hypothesizes that the coral recovery rate is directly linke d to human environmental factors ?a promising sign for recovery in other regions.

"Factors such as river pollution, sedimentation, and use changes ?such as fishing pressures ?are all controllable factors," says van Woesik. "They’re added to global effects of greenhouse gas emissions that affect climate change. The take-home message is that we can accelerate the recovery rate of coral reefs by adapting human behavior and reducing local pressure on reefs; this research provides encouragement and incentive for local management.

"Clearly, action is required at both ends of the political spectrum ?both globally to reduce greenhouse emissions, but also locally to enhance reef resilience," says van Woesik.

Van Woesik’s research appears in the April 2007 issue Coral Reefs, the journal of the International Society for Reef Studies. He will next set up research sites in several other locations, including the Great Barrier Reef and Mexico’s Yucatan Peninsula.
'"/>

Source:Florida Institute of Technology


Related biology news :

1. Tsunami-damaged coral reefs should be left to recover naturally, say scientists
2. Hidden sponges determine coral reefs nutrient cycle
3. Marine conservation organizations team up to conduct Indonesia coral reefs assessment
4. Health of coral reefs detected from orbit
5. Scientists look to the Bahamas as a model for coral reef conservation
6. Tiny polyps gorge themselves to survive coral bleaching
7. Too much sugar not good for coral reefs
8. Sea corals trick helps scientists tag proteins
9. How marine reserves are giving coral reefs a helping hand
10. Ocean acidification threatens cold-water coral ecosystems
11. Healthy coral reefs of Madagascar resisting damage from climate change

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:11/29/2016)... 2016 BioDirection, a privately held medical device ... objective detection of concussion and other traumatic brain injury ... a meeting with the U.S. Food and Drug Administration ... Package. During the meeting company representatives reviewed plans for ... to commencement of a planned pilot trial. ...
(Date:11/22/2016)... PUNE, India , November 22, 2016 According ... (Single-Factor: (Fingerprint, IRIS, Palm Print, Face, Vein, Signature, Voice), Multi-Factor), Component (Hardware ... to 2022", published by MarketsandMarkets, the market is expected to grow from ... at a CAGR of 16.79% between 2016 and 2022. ... ...
(Date:11/17/2016)... , Nov. 17, 2016  AIC announces that it has just released a new ... that require high-performance scale-out plus high speed data transfer storage solutions. Photo ... ... ... Setting up a high performance computing ...
Breaking Biology News(10 mins):
(Date:12/2/2016)... /PRNewswire/ - bioLytical Laboratories, a world leader in rapid infectious disease tests, introduced the ... Pharmaceutical Association members. (Photo: http://photos.prnewswire.com/prnh/20161201/444905 ) ... ... , , bioLytical ... (KPA) to introduce the INSTI HIV Self Test to 350 pharmacy representatives in ...
(Date:11/30/2016)... , Nov. 30, 2016  GenomOncology today announced the ... President of Medical Affairs.  Dr. Coleman will ... the company,s proprietary knowledge-enabled platform. The GenomOncology software suite empowers ... genetic sequencing data and clinical decision support, from quality control ... , ...
(Date:11/30/2016)... - Portage Biotech Inc. ("Portage" or "the Company") (OTC: ... announce the formation of EyGen, Ltd. a new ... through proof of concept. EyGen,s lead asset is ... Limited and being developed for topical ophthalmic delivery ... diseases. This agent has the potential to become ...
(Date:11/30/2016)...  The Allen Institute for Cell Science has ... available collection of gene edited, fluorescently tagged human ... structures with unprecedented clarity. Distributed through the Coriell ... a crucial first step toward visualizing the dynamic ... human cells healthy and what goes wrong in ...
Breaking Biology Technology: