Showing posts with label reef fishes. Show all posts
Showing posts with label reef fishes. Show all posts

Raja Ampat Islands Contain World's Richest Coral Reefs

Some of the most experienced marine scientists tropical, led by The Nature Conservancy, conducted a three-week expedition to the Indonesian islands of Raja Ampat, where they confirmed that the region contains the richest coral reefs the world.

The Raja Ampat islands west of Sorong, on the northwestern tip of the island of New Guinea in the province of Papua in Indonesia. The four main islands - Waigeo, Batanta, Salawati and Misool - and their thousands of satellite islands cover an area of some 23,630 square kilometers (61200 square kilometers).


Scientists have found that the number of reef fish and coral species in the region is even greater than expected. At least 465 species of coral have been recorded, with at least 20 species to defy identification and study in others. This brings the total confirmed corals of the Raja Ampat islands to 505 species, an incredible 64% of all species of coral in the world (for the most recent estimates of numbers, see our report of the investigation in 2006 on the ).

During this trip, 828 species of fish have been recorded, adding an additional 95 (including four new to Indonesia) and increasing the total known to Raja Ampat to 1065 species - among the highest in diversity the world. A new personal record of 284 species of fish on one dive was set by Dr. Gerry Allen Kofiau to the island. When laboratory results on marine samples are completed, scientists expect to find species of fish and corals that are new to science.

"The waters around the Raja Ampat islands teeming with a diversity of corals and fish than anywhere else in the world," said Steve McCormick, president of The Nature Conservancy. "This place is at the heart of the heart of marine biodiversity, and every effort must be made to retain it."

"While we continue to see reports decimated and degraded marine ecosystems and in the west of central Indonesia, the survey clearly demonstrates that it is still a chance to retain important island of high quality and reef ecosystems in Indonesia, "said the conservation of Indonesia Country Director, Dr Ian Dutton. "Conservation is working in partnership with local communities and government, universities and industry partners to protect this wonderful region."

Raja Ampat has become an administrative region or kabupaten, and it is feared that the need to increase local revenue will allow the widespread extraction of natural resources. The results of this study marine and maps will be presented to local communities to raise awareness of the richness of biodiversity that the region has and solicit ideas on how best to keep it. It will help the local government establishes environmentally sensitive development plans, and contribute to the conservation and other conservation organizations to determine the best way to protect this remote tropical paradise.

"The customary ownership of resources and traditions of the region means that some reefs have escaped the ravages common to many other reefs of South-East Asia," said Dr. Rod Salm, director of the conservation of coastal marine conservation in the Asia-Pacific. "It's really an excellent opportunity to develop a conservation program with communities that have a strong personal and historic commitment to manage their resources sustainably."

Scientists have found many Raja Ampat coral reefs to be in good condition despite the rampant destruction reefs often seen in Southeast Asia. Parts of reefs damaged by the blast and cyanide fishing has shown a good recovery, and there was little evidence of the extensive coral bleaching that devastated reefs in many parts of the world following the 1998 El Niño. The fact that coral bleaching resisted confirms their resilience and value as a source of larvae to assist in the recovery of damaged reefs widely throughout Indonesia, Philippines, Papua New Guinea and Micronesia .

The team also noted a virtual absence of sharks during the trip - only three sharks were seen in 500 hours under water. Over fishing has caused a sharp drop in the Raja Ampat population of sharks. Shark fins are highly valued as a soup ingredient in Asia. There are about 200 shark-fishing boats operating in this area, and each is estimated catches of 240 per month. Once the fins are removed, the bodies are left to rot on the reefs. The removal of the ecosystem of predators is only one of the adverse effects of human activities on reefs - The buzz of chain saws, the crash of falling trees, and the bombing and cyanide fishing still widely practiced, and turtles are overexploited for each location they nest.

Ground crews have found many unique habitats in Raja Ampat, especially the broken-bottle limestone karst landscape, and rich mineral soil the northern islands. Around these islands in the extreme habitat has led to high levels of endemism - that diversity is low, most species of plants are found only in this particular habitat. Several potentially new species of plants were discovered, including a new species of flowering plant tropical Psychotria Kawe on the island.

Local communities are very concerned about damage to their environment on the whole, they depend on marine resources for their livelihood. Extractive industries such as logging and commercial fishing threaten to destroy the rich diversity of plant and animal life in these remote islands. Still, researchers on the socio-economic team was told by villagers that they feel powerless to counter the raiders outside resources that are more damage because they are often supported by powerful commercial and government interests.

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Endangered coral reef fish seized in Indonesia

Airport Indonesian authorities have seized 36 humphead wrasse, the third seizure of this endangered fish species in the country this year. Live fish, harvested in Indonesia, were destined for Hong Kong.

"Indonesia remains a major supplier of Hong Kong and other end-use markets, driving the demand for this valuable fish," said TRAFFIC Southeast Asia Regional Director James Compton.

Prisé as a delicacy and served in high-end restaurants, Napoleon may sell for more than U.S. $ 100 per kilogram on the market. Hong Kong is the largest consumer market for this species, although high-end restaurants in Malaysia, Singapore and mainland China are also known to offer servings of fish electric blue.

It is found among the coral reefs across Southeast Asia, Western Pacific and Indian Ocean, the humphead wrasse can reach more than two metres long, weigh up to 190 kg and live more than 30 years. The trade in this case, however, is selective, with smaller sizes people, including many young people preferred full-grown adults because the flesh is considered more tender. Small fish are better suited to the restoration which prefers to serve whole fish. The species is typically traded live.

Indonesia allows an annual catch of 8000 individual Napoleon - none for local consumption, all for export - and the fish harvest is allowed only in specific sectors, particularly in Papua, Maluku, Nusa Tenggara and East West Nusa Tenggara.

"The challenge for Indonesia is to develop a viable strategy for the monitoring of trade and improving law enforcement," Compton said, "otherwise the fishery can not be managed long-term local and national interests. "

Indonesian recently joined representatives from Hong Kong, China, Malaysia, Papua New Guinea and the Philippines to discuss the humphead wrasse trade. Participants at the workshop - co-organized by WWF, TRAFFIC and IUCN - have agreed to develop science-based guidelines for sustainable use of resources of the humphead wrasse, as well as promoting regional cooperation and awareness Increased trade between the fishing industry and consumers.

"Cooperation between countries and fisheries and management authorities in the countries of origin is the key to successful implementation of a CITES listing for the humphead wrasse," said Dr. Yvonne Sadovy of University of Hong Kong and chairman of IUCN Groupers and Wrasses Specialist Group.

The humphead wrasse (Cheilinus undulates) is included in Appendix II of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). This means that international trade in species is possible only with valid CITES permit. The CITES Appendix II contributes to provide the list and consumer countries to ensure that trade in this species is both legal and sustainable.

At present, Hong Kong has not implemented Appendix II list of Napoleon and, therefore, the species of fish can be legally imported. New legislation, however, would require both import and possession permits in Hong Kong, in addition to the CITES permit to be issued by exporting countries.

"If the species is sustainably managed and exchanges, the situation is win-win," said Sadovy. "Operators can continue their activity, consumers can eat fish, fish populations and can again be in good health for everyone can enjoy."

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