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Showing posts with label trawl survey. Show all posts
Showing posts with label trawl survey. Show all posts

Aug 8, 2021

Bay History: 2001-2005 Environmental Conflicts & Initiatives.

The below archived Penobscot Bay Watch media releases  discuss relevant local/state/federal events & issues  as they rose and fell during Governor King's 2nd term and Governor Baldacci's 1st term .  2/2/01 - to 2/7/205  Topics  Knox county airport expansion, state rockweed conservation, Samoset marina sprawl, local landfills, out of state waste imports, dredge spoils, state trawl survey &, shedder lobster impacts,  salmon fishpens,  state aquaculture task force, shellfish farming, a Sears Island LNG terminal plan - and more!

NOTE some  internal links are outdated

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May 7, 2016

UMaine grad students report on cusk barometric trauma, shrimp, lobsters, ocean warming and scallops. 4/27/16

On April 27, 2016,  three grad and post doctoral students working at the Chen Lab of the University of Maine's marine science department  described the results of their present researches on cusk release mortality, shrimp abundance,  groundfish survey data, and scallops, lobster migrations and ocean warming trends. This at the annual gathering of the Midcoast Regional Planning Commission in Union Maine

Jocelyn Runnebaum  Introduction 2 min 29sec

Jocelyn Runnebaum  Cusk, Shrimp 10min 4 sec    Cusk study webpage

Mattie Rodrique Groundfish trends from non-fisheries-dependent data 6min 46 sec

Kisei Tanaka on lobsters and scallops

Questions from audience 6min 18sec


May 3, 2014

Maine Trawl survey comes to Penobscot Bay May 19th through the 23rd

Trawl Survey Time again!

Some of us hate 'em. Some revel in the data. Others  like the photos and videos  the surveyors take of the catches as they move from New Hampshire: a snapshot of life on Maine's coastal seafloors.

Sez DMR: "The Inshore Groundfish Trawl Survey is a fisheries independent assessment of living resources inside the coastal waters of Maine and New Hampshire. Its purpose is to fill a significant information gap that hampers efficient management of Maine’s fishing industry."

Links below are to large images of navigation chart that show the locations within Penobscot Bay and just outside it that the Maine trawl survey will visit with the planned dragging lines.
Day 11, tentatively May 19th – E of Monhegan to Tenants Hbr.
Day 12, tentatively May 20th – Upper Penobscot Bay
Day 13, tentatively May 21st – 1 Mile Ridge and Matinicus SSW
Day 14, tentatively May 22nd – SE of Matinicus Rock to Seal Is.
Day 15, tentatively May 23rd – East Penobscot Bay
Dates  approximate.  Possible stormy weather or stormy lobstermen. (see below)

"Gear consists of a modified shrimp net with a 2 inch mesh in wings and ½ inch mesh liner in the cod end. Foot rope and head ropes are 57' and 70' respectively, with 6 inch rubber cookies.  The F/V Robert Michael, a Northeast 54’ from Portland, ME is used as the platform vessel for this survey."  (End of excerpt.)
Lobstermen  escorting the  Maine trawl survey  boat out of the waters off Corea, Maine in 2001.
 In the past, lobstermen have been outraged by the number of shedder lobsters killed or declawed  by the rough treatment they receive, packed into a trawl's cod end bag. In this 2001 photo several dozen expressed their discontent by escorting the Maine trawl survey boat out of the waters off Corea where most lobsters were in that soft shelled shedder stage

"Noted one Corea fisherman, Arvin Young: "I told them they can't drag here, it's all soft shell lobsters. It's just so ridiculous what they were doing. We've been working for years on conservation, and they drag right through." 
[from: Fishermens Voice, November 2001]

May 4, 2008

Trawl survey coming to bay, May 19-23rd.

Lobstermen take note:
The Maine trawl survey will be steaming into Penobscot Bay May 19th for 5 days of towing. Click on dates for charts of planned trawl locations (large gif files)


May 19th – E of Monhegan to Metinic
May 20th – Rockland to Upper Penobscot Bay
May 21st – E of Monhegan to 11 Mile Ridge
May 22nd – E of Matinicus Rock to Seal Is.
May 23rd – Cape Rosier and E Penobscot Bay
All dates are tentative; storms or other issues may cause delays.

During those dates, you may contact the boat crew on either channel 16 or 13. The crew cell phone is 207-557-5276.

There's a lot of concern over the impacts of the trawl survey on lobsters, especially during shedder season.The state's own stats show that up to 12 percent of lobsters caught in a trawl are fatally injured by the capture method. A similar percent lose at least one claw or leg.

The above does not include any crushed by the trawl doors or delimbed by the groundwire, as they remain on the bottom.

A few years ago lobstermen in the waters off Corea drove the fall trawl survey away

Apr 28, 2008

Why lobster drag fisheries are a bad idea.

When the introduction of fossil-fueled fishing boats made mobile bottom trawling of the Gulf of Maine possible in the  late 1860s, the US Fish Commission's first report to Congress  in 1872 warned against allowing "this evil" to be used here. (see page XXXIII) The state of Maine shortly thereafter had to ban lobstering with dragger gear in her waters.

The ban still holds in Maine waters and with good reason. Check out some of these sequential images of two dragger hauls of lobster made near the mouth of Penobscot Bay a few years ago graphically illustrating how this method of fishing - still legal in Massachusetts and Federal waters - can cause easy overharvesting of these crustaceans. The catches were made lawfully as part of the twice-annual Maine/New Hampshire trawl survey

The survey is controversial among lobstermen who once drove the survey vessel off their fishing grounds off downeast Maine.

Fishermen's Voice photo
Big issue: about 12 percent of lobsters captured by dragger gear, then bounced along the rocky seafloor in the cod end, claws and spines puncturing each others bellies and faces, breaking each others legs, then dumped on board, die from their injuries.

Others, particularly young and new shell (newly moulted) lobsters, are crushed by the cables and trawl doors scraping the bottom while the gaping bag between then flips aboard those .

There are also culls (non-lethal claw amputations) among young and moulting lobsters caught up by draggers in their nets.

From the stand point of lobstermen, regulators, environmentalists and many researchers, dragging for lobsters is unacceptably damaging to the stocks.

It also captures older broodstock lobsters that cannot fit into traps, removing a large portion of that important age group from the lobster community.

DMR's response to public release of videotapes documenting the research trawl expeditions was to stop taking them, beginning in2002 -- a dreadful loss to scientific posterity and a stupid reaction to the good natured public jokery about some of the antics on the tapes by a PPH columnist who viewed a copy.

Public interest anger by Penobscot Bay Watch about censoring the tapes in late September 2001 was met with silence, then a Coop-Extension mediation meeting/encounter session with John Sowles, state Marine Ecologist, followed by more silence. Perhaps these people of the future will see things in these hours and hours of research trawl catch videos that we in our primitive early 21st century ignorance cannot.

Fluttering herring and flatfish accent the eruptions of startled lobsters from the net.

They are often joined by muscular young cod and hoary old barnacled lobster behemoths doing pratfalls down the squirming mass of their wild neighbors.

Sturgeon, sponges, the whole panoply of marine life along our shores is laid before the eye in undignified dishabille.

All are telling us something. We should be paying close attention. Not censoring the survey videos to protect an occasional epithet (horrors!) from one of the fishermen and scientists carrying out the elaborate trawl survey in all weathers.

It you haven't please re-start videorecording your trawl survey catches, Maine DMR!

Mar 5, 2007

Catching lobsters with a dragger on the Maine coast.

Catching Lobsters with a groundfish trawler along the Maine coast
Click this link for photographs from two successive "tows" of dragging gear by the Maine/New Hampshire trawl survey in the waters of outer Penobscot Bay--from the initial haul-in of the net to the dumping out of the (primarily) lobster catches.

(Excerpted from Maine Department of Marine Resources annual trawl surveys of the state's marine waters. 2000 footage.)