Table 8. 2006 harbor seal bycatch estimate in the NESG
2006 Winter (Jan-May)
Observed Takes
Bycatch Rate (Take/mTon)
Estimated Takes
CV (%)
95% CI
Port Group-Area Strata
Northern Maine
0
0.000
0
Southern Maine
0
0.000
0
New Hampshire
0
0.000
0
North of
Boston
0
0.000
0
South of Boston
0
0.000
0
South Of Cape Coda
1b
0.014
20
102%
1-66
East Of Cape Cod
0
0.000
0
Offshore
0
0.000
0
Closure Strata
Offshore Closure
0
0.000
0
Cashes Ledge Closure
0
0.000
0
Midcoast Closure
0
0.000
0
Mass Bay Closure
0
0.000
0
Cape Cod Bay Closure
0
0.000
0
South Cape Closured
0
0.000
0
Great S. Channel Closure
0
0.000
0
Subtotal
1
20
102%
1-66
Summer (Jun-Aug)
Observed Takes
Bycatch Rate (Take/mton)
Estimated Takes
CV (%)
95% CI
Port Group-Area Strata
Northern Maine
0
0.000
0
Southern Maine
1b
0.176
36
92%
1-111
New Hampshire
0
0.000
0
North of
Boston
0
0.000
0
South of Boston
0
0.000
0
South Of Cape Codd
0
0.000
0
East Of Cape Cod
0
0.000
0
Offshore
0
0.000
0
Closure Strata
Northeast Closure
0
0.000
0
Great S. Channel Closure
0
0.000
0
Subtotal
1
36
92%
1-111
Fall (Sep-Dec)
Observed Takes
Bycatch Rate (Take/mton)
Estimated Takes
CV (%)
95% CI
Port Group-Area Strata
Northern Maine
0
0.000
0
Southern Maine
0
0.000
0
New Hampshire
0
0.000
0
North of
Boston
1b
0.081c
31
106%
1-108
South of Boston
0
0.000
0
South Of Cape Codd
0
0.000
0
East Of Cape Cod
0
0.000
0
Offshore
0
0.000
0
Closure Strata
Northeast Closure
0
0.000
0
Offshore Closure
0
0.000
0
Midcoast Closure
0
0.000
0
Mass Bay Closure
0
0.000
0
South Cape Closured
0
0.000
0
Subtotal
1
31
106%
1-108
2006 Total
3
87
58%
19-197
a Totals for South of Cape Cod port group and closure stratum includes effort from Connecticut and
New York trips that fished east of 72º30’W.
b Observed take from haul not equipped with pingers.
c A weighted bycatch rate (observed hauls with and without pingers were used to calculate a weighted
bycatch rate).