NEFSCNortheast Fisheries Science Center
NEFSCNew England Figure Skating Club
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Large-scale seasonal movements and resulting distributional changes, both spatially and temporally, likely modify the availability of spiny dogfish to both the NEFSC bottom trawl survey and commercial fisheries.
However, there were a few occasions in the following years when some funding was transferred to the NEFSC to finance observer coverage of the pelagic longline fleet fishing in the northern waters.
NEFSC and NOAA contributed the majority of funding for PEP.
For the NEFSC index, j=1 (1972-93) when the index varied at low levels with no obvious trend or 2 (1994-2008) when the index showed an overall increasing trend (Fig.
mm) Date Collected Source 1 125 2005 Commercial vessel 2 137 8/3/2005 NEFSC scallop survey 3 121 8/14/2003 NEFSC scallop survey 4 135 8/14/2003 NEFSC scallop survey 5 132 8/14/2003 NEFSC scallop survey 6 135 8/11/2005 NEFSC scallop survey 7 116 7/14/2005 NEFSC scallop survey 8 119 7/20/2005 NEFSC scallop survey 9 lot 6/9/2009 NEFSC scallop survey 10 111 5/13/2009 NEFSC scallop survey 11 127 7/15/2005 NEFSC scallop survey 12 111 7/15/2005 NEFSC scallop survey 13 114 6/2006 Commercial vessel 14 136 7/17/2006 NEFSC scallop survey Scallop Decimal Decimal Area No.
There is an overall decreasing trend in relative abundance for the NEFSC time series during the years covered from 1966 to 1996 (Figure 2).
5) Unpublished data on file at the Ecosystems Surveys Branch, NOAA, NMFS, NEFSC, Woods Hole Lab.
Surfclams collected offshore by NEFSC surveys included this size range; but, in addition, many of the offshore shells were much larger ([greater than or equal to] 150 mm (Weinberg 1999)).
Landings decreased since then to 4,183 t in 1998 (NEFMC, 1996; 1999c; 1999d; NEFSC (11)) (Fig.
Comparisons of assessment model results indicate that the presence of large Tilefish, and the biomass estimate in general, is dependent on periodically strong year classes, such as the 1970 and 1973 year classes and most recently the 1993 and 1999 year classes (Turner, 1986; NEFSC (3)).
It is the low condition of smaller clams off Delmarva, for example, that inhibited exploitation of this resource during the 1990s (Weinberg & Helser 1996, Weinberg 1998, NEFSC 2003), even though at that time, clam densities were higher than elsewhere in the Mid-Atlantic Bight.