| Pétition pour arrêter la pêche aux requins dans la Grande Barrière de Corail |
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Nous nous opposons fermement :
Une protection significative des requins est une bonne chose pour l’Australie
Nous nous joignons au nombre croissant d’individus qui combattent l’exploitation continue de la Grande Barrière de Corail et ses populations de requins. A l’heure où beaucoup de défis environnementaux qui se dressent devant nous semblent insurmontables, l’Australie peut facilement résoudre ce problème. Le monde en sera temoin. Nous demandons au Gouvernement australien de passer à l’action et de protéger les requins pour que les écosystèmes les plus précieux au monde et espèces clefs à la santé de l’océan puissent continuer à s’épanouir.
Nous demandons à l’Australie :--de bannir immédiatement TOUTE pêche aux requins dans toute la Grande Barrière de Corail--d’établir des limites de prises durables ailleurs basées sur une recherche raisonnée--d’appliquer à la lettre ces politiques.Sign the petition:
References:Please review the references so that you can take an informed position. These first three entries are from the Queensland Government: "In recent years, concerns have been raised over the sustainability of shark stocks, both nationally and internationally. Assessments of chondrichthyan stocks (sharks, rays and chimeras) have identified specific areas of concern. Within Australasian and Oceania waters, 10 of the 216 chondrichthyan species assessed are recognised as critically endangered or endangered, and a further 24 recognised as vulnerable. Stock collapses in Australia and overseas over the years have been well documented (Musick 2004). However, there have also been successful shark fisheries in Australia where research and management have been effective, for example, gummy sharks (Mustelus antarcticus) through appropriate regulation of mesh size in the gillnet fishery and dusky sharks (Carcharhinus obscurus) through limited catches of selected year classes. Fishery collapses not only bring economic hardship, but may result in adverse impacts on ecosystems. Sharks are top level predators and play an extremely important role in the ecosystem by regulating populations of prey species. The removal of top level predators can also have unexpected lower order effects on non-prey species." Have Your Say: Summary of proposed changes, Queensland, Australia DPI&F This next one is a study of shark populations in the Great Barrier Reef conducted by Queensland-based scientists: "Marine ecosystems are suffering severe depletion of apex predators worldwide; shark declines are principally due to conservative life-histories and fisheries overexploitation. On coral reefs, sharks are strongly interacting apex predators and play a key role in maintaining healthy reef ecosystems. Despite increasing fishing pressure, reef shark catches are rarely subject to specific limits, with management approaches typically depending upon no-take marine reserves to maintain populations. Here, we reveal that this approach is failing by documenting an ongoing collapse in two of the most abundant reef shark species on the Great Barrier Reef (Australia). We find an order of magnitude fewer sharks on fished reefs compared to no-entry management zones that encompass only 1% of reefs. No-take zones, which are more difficult to enforce than no-entry zones, offer almost no protection for shark populations. Population viability models of whitetip and gray reef sharks project ongoing steep declines in abundance of 7% and 17% per annum, respectively. These findings indicate that current management of no-take areas is inadequate for protecting reef sharks, even in one of the world's most-well-managed reef ecosystems. Further steps are urgently required for protecting this critical functional group from ecological extinction." “The minimum change in mortality necessary to produce a median estimated population growth rate of 1.0 (i.e., population stability) was calculated for each species. Analyses indicate that reductions in annual mortality by one-third (36%) for the whitetip shark and one half (49%) for the gray reef shark would be required to halt these ongoing declines. However, with commercial catches of sharks nearly quadrupling on the Great Barrier Reef between 1994 and 2003, and recreational fishing also removing large numbers of sharks in Australia, the trend is strongly in the opposite direction.” J. Bascompte, C. J. Melia, and E. Sala, Research Shows Overfishing of Sharks Key Factor in Coral Reef Decline, Scripps News April 11, 2005 "Impacts of chronic overfishing are evident in population depletions worldwide, yet indirect ecosystem effects induced by predator removal from oceanic food webs remain unpredictable. As abundances of all 11 great sharks that consume other elasmobranchs (rays, skates, and small sharks) fell over the past 35 years, 12 of 14 of these prey species increased in coastal northwest Atlantic ecosystems. Effects of this community restructuring have cascaded downward from the cownose ray, whose enhanced predation on its bay scallop prey was sufficient to terminate a century-long scallop fishery. Analogous top-down effects may be a predictable consequence of eliminating entire functional groups of predators." Ransom A. Myers, Julia K. Baum, Travis D. Shepherd, Sean P. Powers, and Charles H. Peterson Science 30 March 2007 315: 1846-1850 [DOI: 10.1126/science.1138657], Cascading Effects of the Loss of Apex Predatory Sharks from a Coastal Ocean IUCN Red List of Endangered Species. Endangered and threatened Australian sharks: speartooth shark, freshwater sawfish, great whites, grey nurse sharks, dwarf sawfish, green sawfish, white spotted guitarfish, grey reef shark, white tip reef shark, great hammerhead, scalloped hammerhead, eastern angel shark, eastern longnose spurdog, Harrisson’s dogfish, leafscale gulper shark, longfin mako, eastern sawshark, bronze whaler, silky shark, spinner shark, spotted eagle ray, tiger shark, whale shark, whitecheek shark, milk shark, pigeye shark, spotted wobbegong, and banded wobbegong. References on shark diving and tourism: Economic value of a shark statistics, L. Rochat of AfriOceans Conservation Alliance (AOCA), based on interviews with South Africa’s Marine and Coastal Management and various shark researchers.
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Brice
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| J'ai aussi vus le film. J'ai une passion pour les requin, alors quand j'ai vus sa. Stef je suis complétement d'accord avec toi. J'ai que 16ans et j'ai déja la haine pour c'est personne qui fond du mal au requin. J'habite en Nouvelle-calédonie, je fait bien sur de la plonger pour les voir; est a chaque fois que je les regarde je me demande comment les homme peuve étre aussi cruelle. Oui des manifestation serait vraiment bien d'en faire ! | |
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Priscilla
said:
| J'ai vus également le film Sharkwater est cela ma dégoutée et horrifiée, j'adore les requins et je maudis les asiatiques!!!Les humains sont extremement cruels et cons!!! | |
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stef
said:
| Je viens juste de voir le film Sharkwater et celui ci m a vraiment touché,les asiatiques sont vraiments des personnes sans état d'ames! Pourquoi ne pas organiser des manifestation pour lutter contre ce fléau,dans toutes les capitales européennes,ceci aurait au moins pour but d'avertir l'opinion publique et peut etre que les personnes politiques bougeraient enfin un peu.C'est navrant de voir que personne ne fait rien a part Paul Watson et Rob Stewart qui s'investissent totalement dans un combat qui devrait tous nous conçerner.... Longue vie a la "SEA SHEPHERD" !! | |
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