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Scuba Forum / General / April 2006Great Barrier reef - bleached
Disturbing news: http://news.yahoo.com/s/nm/20060314/sc_nm/environment_coral_bleaching_dc CJB. > Disturbing news: > > http://news.yahoo.com/s/nm/20060314/sc_nm/environment_coral_bleaching_dc > > CJB. The kind of coral shown in the pic looks always white! Matthias > *From:* Matthias Voss <spammat.voss@gmx.de> > *Date:* Tue, 14 Mar 2006 16:04:23 +0100 [quoted text clipped - 6 lines] > > The kind of coral shown in the pic looks always white! Yes, and i would disagree with the statement below as well....... > Australia has just experienced its warmest year on record and abnormally > high sea temperatures during summer have caused massive coral bleaching > in the Keppels. Sea temperatures touched 29 degrees Celsius (84 > Fahrenheit), the upper limit for coral. When i was out there, 2 liveaboards on different occasions, i was diving in 29c temps and the coral looked fine to me, also around Sabah the temps are 29c, and the Bismark Sea North East of Papua New Guinea has i'm told the highest "average" sea temp, and was clocking 31 to 31c there..... Maybe the statement was journalistic license ???????????? I did spend 3 days on another occasion on the GBR when we sat in the same position for the trip, the story is on my website, where the coral (Staghorn as far as the eye could see) was white and kicked to sh.t. www.seatreker.com Dave Morgan @ Work in the UK On Tue, 14 Mar 2006 11:15:46 -0600, morgand wrote: > When i was out there, 2 liveaboards on different occasions, i was diving > in 29c temps and the coral looked fine to me, also around Sabah the temps > are 29c, and the Bismark Sea North East of Papua New Guinea has i'm told > the highest "average" sea temp, and was clocking 31 to 31c there..... Well different corals do have different temperature tolerances, but 29C is average for the Maldives too. It was only when the water temp hit the mid-30s a few years ago that they had the mass bleaching. Jason  Signaturehttp://www.scuba-addict.co.uk/ for Aussie diving reports including the Coral Sea, Ningaloo reef, the Solitaries and Byron Bay > Well different corals do have different temperature tolerances, but 29C > is > average for the Maldives too. It was only when the water temp hit the > mid-30s a few years ago that they had the mass bleaching. Exactly...........so 29c on the GBR is hardly going to destroy "life as we know it"....... www.seatreker.com Dave Morgan @ Work in the UK >>Well different corals do have different temperature tolerances, but 29C >>is [quoted text clipped - 6 lines] > www.seatreker.com > Dave Morgan @ Work in the UK Looks Like Cyclone Larry is taking another approach More Goerge Bush's Global Warming It is the First day of spring here - we are expecting 5 - 9 inches of snow thru tomorrow night - God I hate Global Warming > >>Well different corals do have different temperature tolerances, but 29C > >>is [quoted text clipped - 13 lines] > It is the First day of spring here - we are expecting 5 - 9 inches of > snow thru tomorrow night - God I hate Global Warming Clearly you didn't see "The Day After Tomorrow", wherein Global Warming triggered a new Ice Age. Most of the northern Hemisphere was glaciated in just a few weeks. :-) Dennis >>> Well different corals do have different temperature tolerances, but >>> 29C is [quoted text clipped - 12 lines] > > It is the First day of spring here - Same here.. we are expecting 5 - 9 inches of > snow thru tomorrow night - God I hate Global Warming We are expecting 10-15 inches of snow to go away...Same for ice on some lakes. Matthias > Disturbing news: > > http://news.yahoo.com/s/nm/20060314/sc_nm/environment_coral_bleaching_dc I went diving out of Cairns 3 years ago. Everywhere south of Port Douglas was crap. Most of the coral was dead. North of Port Douglas where the water is warmer, it was fine. Much further south off of Airlie Beach, the coral was fine too. Now it may be a huge coincidence that the areas between the two are affected by global warming and not the run off from a sugar cane industry that is subsidised by the Australian government/consumer to keep it in business, but I know what I think. And I saw it 5 years before. The difference is shocking. Mind you, Australia hasn't signed up to Kyoto either and I believe they're the second worst energy users per person on the planet. Jason Signaturehttp://www.scuba-addict.co.uk/ for Aussie diving reports including the wrecks of the SS Yongala, Lady Bowen and the HMAS Swan > I went diving out of Cairns 3 years ago. Everywhere south of Port > Douglas > was crap. Most of the coral was dead. North of Port Douglas where the > water is warmer, it was fine. Much further south off of Airlie Beach, > the coral was fine too. The three day jaunt that we were on went out of Airlie Beach....(i love Arlie Beach).......it was one of those "pack em on " boats....... What coral i saw was crap too...... > Now it may be a huge coincidence that the areas between the two are > affected by global warming and not the run off from a sugar cane > industry > that is subsidised by the Australian government/consumer to keep it in > business, but I know what I think. Between Port Douglas and to the South Airlie Beach, is probably the most concentrated area for diving on the GBR...... www.seatreker.com Dave Morgan @ Work in the UK On Wed, 15 Mar 2006 09:29:32 -0600, morgand wrote: > The three day jaunt that we were on went out of Airlie Beach....(i love > Arlie Beach).......it was one of those "pack em on " boats....... What > coral i saw was crap too...... I thought the coral was OK off of Airlie but I wouldn't go there again because every operator I've tried had ridiculous limits, like 18m for the deepest dive of the day, subsequent dives shallower and a 40 min time limit. One of them even included the safety stop in the time, so you were effectively getting about 35 mins bottom time and coming back with over half a tank left. Jason Signaturehttp://www.scuba-addict.co.uk/ for trip reports including diving the wreck of the President Coolidge in Santo, Vanuatu > *From:* Jason <jason.news.nospam@ntlworld.com> > *Date:* Thu, 16 Mar 2006 13:43:18 +0000 [quoted text clipped - 7 lines] > > I thought the coral was OK off of Airlie We were travelling up the coast from Sydney to Port Douglas, diving at od stops, we stayed in Airlie Beach and though we woukld take a short trip out, but we made the mistake of getting on one of those big boats, the boat and crew were great, it was just that we went out through Hook Island and just parked up for three nights so the Coral i saw was the same Coral for 3 days...........its on my site anyway........ We going to north to join a boat from Cairns out to the Coral Sea..... > but I wouldn't go there again > because every operator I've tried had ridiculous limits, like 18m for [quoted text clipped - 4 lines] > effectively getting about 35 mins bottom time and coming back with over > half a tank left. I think they cater for open water students mostly.........in my opinion they were not interested in "divers" who knew what they wanted ......we found trhe same in Townsville when we tried to get a boat out to the Yongala...... www.seatreker.com Dave Morgan @ Work in the UK Recently returned from a 7-day trip aboard the Spirit of Freedom up the Ribbon Reefs and into the Coral Sea. We dived sites at the 3rd, 5th, and 10th Ribbon Reefs and several sites in the Coral Sea (including Cod Hole, Steve's Bommie, and the North Horn). I now understand why the Coral Sea is called the Coral Sea - the varieties of hard coral is incredible. Never during any of my dives did I notice any abnormal coral bleaching. It is possible the SoF only took us to undisturbed sites but I doubt it. Water temp at depth was a consistent 28C. Jo > Disturbing news: > > http://news.yahoo.com/s/nm/20060314/sc_nm/environment_coral_bleaching_dc > > CJB. > *From:* "Jo Chang" <jimini@telus.net> > *Date:* Wed, 05 Apr 2006 06:01:32 GMT [quoted text clipped - 7 lines] > coral bleaching. It is possible the SoF only took us to undisturbed > sites but I doubt it. Water temp at depth was a consistent 28C. Tell us about the Boat ???????? And YES.........the Coral Sea is great, the water is so clear.......... www.seatreker.com Dave Morgan @ Work in the UK |
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