Ichthyoplankton of the continental shelf near Kodiak Island, Alaska

Kendall, Jr., Arthur W. and Dunn, Jean R. (1985) Ichthyoplankton of the continental shelf near Kodiak Island, Alaska. NOAA/National Marine Fisheries Service, (NOAA Technical Report NMFS, 20)

PDF (The document's language is English .) - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
Download (33MB) | Preview
Official URL: http://spo.nwr.noaa.gov/tr20.pdf


Eleven ichthyoplankton surveys were conducted (1 in 1972 and 10 between 1977 and 1979) in the northeastern Pacific Ocean over the continental shelf off Kodiak Island, Alaska. In the 677 neuston and 632 bongo tows, eggs or larvae of more than 80 fish taxa were found. They were present in every season and throughout the survey area, although more taxa and more individuals were found in summer than in other seasons. Among the more abundant species were the gadid Theragra chalcogramma and several hexagrammids and pleuronectids. The hexagrammids and several coUids were abundant in the neustonic layer, where they spent close to a year as larvae and prejuvenlles. Although the seasonal and geographic distribution of most taxa was complex, two patterns emerged: Late summer-fall spawners produce demersal eggs and have neustonic larvae that remain pelagic for several months (hexagrammids and some cottlds), and spring-summer spawners have pelagic eggs and larvae that spend several weeks in the plankton but are not closely associated with the surface (Theragra chalcogramma, pleuronectlds). (PDF file contains 95 pages.)

Item Type: Monograph or Serial Issue
Title: Ichthyoplankton of the continental shelf near Kodiak Island, Alaska
Personal Creator/Author:
Kendall, Jr., Arthur W.
Dunn, Jean R.
Series Name: NOAA Technical Report NMFS
Number: 20
Date: 1985
Publisher: NOAA/National Marine Fisheries Service
Issuing Agency: United States National Marine Fisheries Service
Subjects: Ecology
Item ID: 2803
Depositing User: Patti M. Marraro
Date Deposited: 11 Nov 2009 13:06
Last Modified: 29 Sep 2011 18:22
URI: http://aquaticcommons.org/id/eprint/2803

Actions (login required)

View Item View Item

Document Downloads

More statistics for this item...