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DMR Home > Species Info > Whales > DAM Zone, February 10, 2008

NMFS announces that lobster trap/pot and anchored gillnet fishermen must comply with required gear modifications (see below) in an extended DAM zone south and east of Portsmouth, NH, February 10 through February 24, 2008

(from E-mail dated Feb 7, 2008:)

Dear ALWTRT Member or Interested Party:

NOAA’s National Marine Fisheries Service (NMFS) will be extending a portion of a previously established Dynamic Area Management (DAM) zone that expires 2400 hours February 9, 2008, with required gear modifications for lobster trap/pot and anchored gillnet fishing gear. The extended DAM zone will be in the portion of the original DAM zone northeast of Boston, MA, totaling approximately 1,767 square nautical miles as subsequent survey effort in this area indicates that the DAM zone trigger continues to be met. Thus, the required gear modifications for lobster trap/pot and anchored gillnet gear will be effective for an additional 15 days in this portion of the original DAM zone. In addition, NMFS requires that no additional gear be set in the extended DAM zone during the restricted period unless that gear has been modified accordingly. This action is being taken to respond to reported aggregations of endangered Northern right whales (right whales).

Therefore, NMFS is announcing required gear modifications for the extended DAM zone past the current 2400 hours February 9, 2008, expiration. Effective 0001 hours February 10, 2008, through 2400 hours February 24, 2008, anchored gillnet and lobster trap/pot gear in the extended DAM zone must comply with the required gear modifications. The required gear modifications and the coordinates for the extended DAM zone are found below.

Coordinates for the extended DAM zone effective 0001 hours February 10, 2008, through 2400 hours February 24, 2008, are as follows:

42º 56´ N., 69º 33´ W (NW Corner)
42º 16´ N., 69º 33´ W
42º 16´ N., 70º 33´ W
42º 56´ N., 70º 33´ W
42º 56´ N., 69º 33´ W (NW Corner)

Special note for gillnet fishermen: a portion of this DAM zone overlaps the year-round Western Gulf of Maine Closure Area for Northeast Multispecies found at 50 CFR 648.81(e). Due to this closure, sink gillnet gear is prohibited from this portion of the DAM zone.

A permit holder letter including the DAM zone coordinates and restrictions is now posted on the ALWTRP website (http://www.nero.nmfs.gov/whaletrp) under “What’s New.” An outreach supplement showing the DAM zone overlayed onto a Nautical Chart is also available. NMFS will be notifying the public of the DAM zone by issuing radio announcements, working through appropriate media, distributing the permit holder letter to affected fishermen, as well as other means. As an ALWTRT member or interested party, NMFS appreciates your assistance in spreading the word about the DAM zone and its gear restrictions.

To obtain the DAM regulations in their entirety, please call 978-281-9300 x6505. In addition, these regulations are available by accessing the ALWTRP web page (http://www.nero.nmfs.gov/whaletrp/) and going to “The Plan” and “Elements of the Plan.” If you have any questions regarding these regulations, please call 978-281-9300 x6505 or the ALWTRP Coordinator at the number below. If you have questions about the gear requirements for this DAM zone, you may also contact John Higgins ( or 207-677-2316).

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Diane Borggaard
Large Whale Coordinator
NOAA/NMFS/NERO Protected Resources Division
1 Blackburn Dr.
Gloucester, MA 01930
Ph: 978-281-9300 ext. 6503
Fax: 978-281-9394
e-mail:
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DAM Program Gear Requirements

In addition to those gear modifications currently implemented under the ALWTRP at 50 CFR 229.32, the following gear modifications are required in the DAM zone. If the requirements and exceptions for gear modification in the DAM zone, as described below, differ from other ALWTRP requirements for any overlapping areas and times, then the more restrictive requirements will apply in the DAM zone. Please note that the below provides a summary of the DAM Program gear requirements and is not a substitute for the ALWTRP regulations.

Lobster Trap/Pot Gear

Fishermen utilizing lobster trap/pot gear within the portions of Northern Inshore State Lobster Waters, Northern Nearshore Lobster Waters, and Stellwagen Bank/Jeffrey’s Ledge Restricted Area that overlap with the DAM zone are required to utilize all of the following gear modifications while the DAM zone is in effect:

  1. Groundlines must be made of either sinking or neutrally buoyant line. Floating groundlines are prohibited;
  2. All buoy lines must be made of either sinking or neutrally buoyant line, except the bottom portion of the line, which may be a section of floating line not to exceed one-third the overall length of the buoy line;
  3. Fishermen are allowed to use two buoy lines per trawl; and
  4. A weak link with a maximum breaking strength of 600 lb (272.4 kg) must be placed at all buoys.

Fishermen utilizing lobster trap/pot gear within the portion of the Offshore Lobster Waters Area that overlap with the DAM zone are required to utilize all of the following gear modifications while the DAM zone is in effect:

  1. Groundlines must be made of either sinking or neutrally buoyant line. Floating groundlines are prohibited;
  2. All buoy lines must be made of either sinking or neutrally buoyant line, except the bottom portion of the line, which may be a section of floating line not to exceed one-third the overall length of the buoy line;
  3. Fishermen are allowed to use two buoy lines per trawl; and
  4. A weak link with a maximum breaking strength of 1,500 lb (680.4 kg) must be placed at all buoys.

Anchored Gillnet Gear

Fishermen utilizing anchored gillnet gear within the portions of Other Northeast Gillnet Waters Area and Stellwagen Bank/Jeffrey’s Ledge Restricted Area that overlap with the DAM zone are required to utilize all the following gear modifications while the DAM zone is in effect:

  1. Groundlines must be made of either sinking or neutrally buoyant line. Floating groundlines are prohibited;
  2. All buoy lines must be made of either sinking or neutrally buoyant line, except the bottom portion of the line, which may be a section of floating line not to exceed one-third the overall length of the buoy line;
  3. Fishermen are allowed to use two buoy lines per string;
  4. Each net panel must have a total of five weak links with a maximum breaking strength of 1,100 lb (498.8 kg). Net panels are typically 50 fathoms (91.4 m) in length, but the weak link requirements would apply to all variations in panel size. These weak links must include three floatline weak links. The placement of the weak links on the floatline must be: one at the center of the net panel and one each as close as possible to each of the bridle ends of the net panel. The remaining two weak links must be placed in the center of each of the up and down lines at the panel ends;
  5. A weak link with a maximum breaking strength of 1,100 lb (498.8 kg) must be placed at all buoys; and
  6. All anchored gillnets, regardless of the number of net panels, must be securely anchored with the holding power of at least a 22 lb (10.0 kg) Danforth-style anchor at each end of the net string.