Int Comm Northwest Atl Fish Res Bull

Some observations on accuracy of abundance indices derived from research vessel surveys

Squid fisheries (Loligo peali and Illex illecebrosus) off the northeastern coast of the United States of America, 1963-74

Simulating the effect of fishing on squid (Loligo and Illex) populations in the northeastern United States

An analysis of some factors affecting catchability of fish by bottom trawls

The effect of random fluctuations in a hypothetical fishery

Using the U.S.A. research-vessel spring bottom-trawl survey as an index of Atlantic mackerel abundance

Size selectivity of the Gulf III and Bongo zooplankton samplers

Growth and mortality rates for cod from the Georges Bank and Gulf of Maine areas

Factors affecting estimates of relative catchabilities of fishing units in ICNAF Subarea 5 and Statistical Area 6

Comparisons of abundance indices from research vessel surveys and commercial statistics for cod and haddock in ICNAF Subarea 4