Page 20. MAINE COASTAL NEWS September 2012 MISCELLANEOUS COMMERCIAL FISHING NEWS Continued from Page 13.
ter, and Marine Acoustics Inc. used an array of acoustic recorders to monitor noise levels, measure levels of sound associated with ves- sels, and to record distinctive sounds made by multiple species of endangered baleen whales, including “up-calls” made by right whales to maintain contact with each other. NOAA Fisheries Northeast Fisheries Science Center documented more than 22,000 right whale contact calls as part of the study during April 2008, and software developed by Cornell and Marine Acoustics Inc. of Arlington, Va., aided in modeling ship noise propagation throughout the study area. Vessel-tracking data from the U.S.
Coast Guard’s Automatic Identification System was used to calculate noise from vessels inside and outside the sanctuary. By further comparing noise levels from com- mercial ships today with historically lower noise conditions nearly a half-century ago, the authors estimate that right whales have lost, on average, 63 to 67 percent of their communication space in the sanctuary and surrounding waters. “A good analogy would be a visually impaired person, who relies on hearing to move safely within their community, which is located near a noisy airport,” said Leila Hatch, Ph.D., NOAA’s Stellwagen Bank National Marine Sanctuary marine ecol- ogist and lead author of the paper. “Large whales, such as right whales, rely on their ability to hear far more than their ability to see. Chronic noise is likely reducing their
opportunities to gather and share vital infor- mation that helps them fi nd food and mates, navigate, avoid predators and take care of their young.” North Atlantic right whale. North Atlantic right whales, which live
along North America’s east coast from Nova Scotia to Florida, are one of the world’s rarest large animals and are on the brink of extinction. Recent estimates put the population of North Atlantic right whales at approximately 350 to 550 animals. “We had already shown that the noise from an individual ship could make it near- ly impossible for a right whale to be heard by other whales,” said Christopher Clark, Ph.D., director of Cornell’s bioacoustics research program and a co-author of the work. “What we’ve shown here is that in today’s ocean off Boston, compared to 40 or 50 years ago, the cumulative noise from all the shipping traffi c is making it diffi cult for all the right whales in the area to hear each other most of the time, not just once in a while. Basically, the whales off Boston now fi nd themselves living in a world full of our acoustic smog.”
The authors suggest that the impacts of chronic and wide-ranging noise should be incorporated into comprehensive plans that seek to manage the cumulative effects of offshore human activities on marine species and their habitats. “We are starting to quantify the implica- tion of chronic, human-created ocean noise for marine animals,” said Holly Bamford, deputy assistant administrator of the Nation-
al Ocean Service. “Now, we need to ask how we can adapt our management tools to better address these problems.”
The study was funded under the Nation-
al Oceanographic Partnership Program. The paper published in Conservation Biology can be found online. More information on the study is available online.
Boat And Ship Yard News Continued from Page 15.
Morris Yachts of Northeast Harbor an- nounces their new Ocean Series 48 GT sail- boat. The new generation of the company’s Ocean Series 48 made its debut in front of an intimate gathering of Morris owners during the company’s 40th anniversary celebration in Northeast Harbor.
The highlights of the Ocean Series
48 GT include: Completely new interior boasting modern amenities alongside some of Morris’ classic styling cues; Incredible raised salon area with panoramic views and a side berth lounge; New, larger rig for greater sailing performance that includes a self-tacking jib and leisure-furl mainsail for easier sail handling; Full-service galley featuring a unique cross-beam utility sta- tion; Generous en-suite owners cabin with a super-yacht inspired circular shower; and An in-mold swim platform featuring a new passerelle transom door for easy cockpit access to the waters below. The design also allows for seamless Mediterranean stern-to berthing while cruising.
Hank Hinckley has been working out of Wyman Pettegrow’s shop in Southwest
Harbor for a number of months. In the shop is a 26-foot sailboat that he laid up last year, but stopped work on and turned his attention to a repowering a Hinckley Talaria 40. She was powered with a Yanmar 440 diesel and this was removed and replaced with a D6435 Volvo with IPS 600s pods with forward facing racing propellers. This meant a lot of modifi cations. They re- moved the last four feet of her bottom and removed everything inside the engine room all the way to the bulkhead. Once complete the boat was sea trialed and Hank said that her performance was truly impressive. He added that she will be written up in an up-coming issue of Powermotor Yacht. Now that this project has been com- pleted it was back working on the 26-foot sailboat. They are fi nishing her interior and deck details with the hope of having her done for the Annapolis Sailboat show this fall. As for work this winter they have a Palmer Johnson built S&S designed 34-foot coming in to be completed. The owner had purchased the boat as a hull and deck and has been trying to do himself. However he has given in and asked Hank to fi nish the project.
MID-COAST MARINE Your Full Service Marina
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Inside under 35 feet - $44.00 per foot Outside under 35 feet - $26.00 per foot Inside greater than 35 feet - $49.00 per foot Outside over 35 feet - $31.00 per foot
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P. O. Box 148
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