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Marine Ecosystems and Global Change$
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Manuel Barange, John G. Field, Roger P. Harris, Eileen E. Hofmann, R. Ian Perry, and Francisco Werner

Print publication date: 2010

Print ISBN-13: 9780199558025

Published to Oxford Scholarship Online: May 2010

DOI: 10.1093/acprof:oso/9780199558025.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 17 January 2022

Dynamics of marine ecosystems: target species

Dynamics of marine ecosystems: target species

(p.75) Chapter 4 Dynamics of marine ecosystems: target species
Marine Ecosystems and Global Change

Dian J. Gifford

Roger P. Harris

Stewart M. McKinnell

William T. Peterson

Michael A. St. John

Oxford University Press

Because of GLOBEC's focus on population dynamics, species‐level research is central to the programme, and most field, retrospective and modeling studies were directed at target species defined on the basis of their suitability for use in the comparative approach or their trophic role in the ecosystem. Target species may be economically significant due to their contribution to local, regional, and national economies through subsistence, commercial enterprise, and use by indigenous peoples. Target species of conservation significance may be the subjects of regional, national, or international conservation agreements. Target species of social or cultural significance have value to human communities because of their historical, aesthetic, educational, or recreational value. GLOBEC target species are heavily weighted towards marine pelagic organisms, particularly zooplankton. However, vertebrates with largely (seabirds and seals) or wholly (whales) pelagic life histories have been studied in some ecosystems, as have anadromous fish whose life history is not entirely marine. Here, this chapter reviews major groups of GLOBEC target species: Calanus and other large copepods, salmonids, cod, small pelagic fish, and large apex predators.

Keywords:   target species, copepods, calanus, cod, salmon, small pelagic fish, penguins, whales, euphausiids, krill

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