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Marine Debris-to-Energy Program Debuts Map of Whale Sightings, Marine Debris

May 4, 2011

Balloons and whales may have more in common than you think ­ according to a new GIS map; they are likely to be found in the same locations in the Gulf of Maine.
 
The map, created by Shane Bradt, UNH Cooperative Extension specialist in geospatial technologies, provides a visual connection between the areas that some whales travel off the coast of New Hampshire, and the location of litter that may be floating nearby. To check out the map, visit http://cegis.unh.edu/whalesanddebris.
 
With funds provided by the N.H. Coastal Program, the map relies on data collected during the Blue Ocean Society for Marine Conservation’s whale watch cruises that take place from May to October each year.
 
Volunteers record the sightings of floating trash and the whereabouts of four finback whales ­ Comet, Fjord, Ladder and Trigger,­ and four humpback whales  Pinball, Satula, Flask and Owl ­ that are also available for “adoption” from the Blue Ocean Society.
 
To keep the map simpler and easier to use, Bradt chose to highlight the top five most commonly encountered debris types,­ including balloons, bottles, cans, plastic bags and wrappers ­ that together account for 80 percent of the debris recorded.
 
“People can relate to these types of debris because they use them in daily life,” Bradt says.
 
The various map data layers can be turned off and on to select whale locations by individual whales each year and trash type by month. However, Jen Kennedy, executive director of the Blue Ocean Society, points out the map doesn’t necessarily indicate whales directly encountered the marine debris, rather that their locations could potentially overlap. Kennedy and Bradt hope to eventually improve the map so direct whale encounters with debris are included.  
 
“This map really shows the personal connection between how we dispose of our trash and the impacts that can have on marine life, including whales,” says Kennedy. “We hope this map will make people more aware of their actions and help improve the marine environment.”
 
Kennedy and Bradt say the GIS map may appeal to the general public or to teachers who could use it in their lesson plans. Bradt encourages online site visitors to take the virtual tour by clicking on the links at the top of the homepage for instruction on how to use the map more easily and effectively.
 
The map is an offshoot of the N.H. Marine Debris-to-Energy Project, an effort funded by the National Oceanic and Atmospheric Administration’s Marine debris program that seeks to remove derelict fishing gear and human-generated trash that washes out to sea.
 
Since the beginning of the project three years ago, approximately 36 tons of derelict fishing gear ­ such as buoys, fishing line, lobster pots and nets ­ along with 12 tons of trash, have been collected from hundreds of beach cleanups along the Seacoast.
 
Data on debris types and locations in the Gulf of Maine and on the coast are recorded by volunteers who spot whales while out on the whale watch vessels, scientists using underwater sonar and fishermen who report any debris sightings, then entered into the project’s database.
 
The debris itself is placed in marked dumpsters, collected and combusted into energy via a waste-to-energy plant, Wheelabrator Technologies, in Massachusetts. N.H. Sea Grant and UNH Cooperative Extension are collaborating with the non-profit Blue Ocean Society to help facilitate the program’s progress in the Granite State.
 
For more information, visit the N.H. Marine Debris to Energy web site at www.nhmarinedebris.org or the blog at www.nhmarinedebris.blogspot.com, or contact Shane Bradt at shane.bradt@unh.edu or 2-4277 or Jen Kennedy at jen@blueoceansociety.org or 603-431-0260.
 


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