Abundance Information for Clupea harengus
Main Ref.
Country United States (contiguous states) Ecosystem
Locality Penobscot Bay, Maine Depth
Introduced Year Intro.
Life Stage larvae unsexed
Quantitative 0.00009 Unit numbers/m^3
Semi Quantitative <100 Unit numbers/m^3
Qualitative rare
Year 1997 - 1997 Period 1975-2000
Date 04/04/97 - 25/06/97 Record Type field sample
Record Type field sample
Seasonal not specified Method swept area
Remarks Seven two- to three-day cruises were conducted twice a week to coincide with spring and summer spawning times for many fishes. A 1.0 m 333-micron mesh plankton net equipped with a General Oceanics flowmeter during daylight hours was utilized. It was hauled for 20 minutes in stepped oblique fashion at the surface, at 10 m, and at 20 m or to within 5 m of the bottom.
(e.g. 9948)
( e.g. cephalopods )
Entered by Casal, Christine Marie V.
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cfm script by eagbayani, 10.05.99, php script by rolavides, 2/4/2008 ,  last modified by sortiz, 09/08/2017