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Transitional states in transitional waters

Transitional states in transitional waters Transitional states in transitional waters S. ORFANIDISa, S. REIZOPOULOUb and A. BASSETc National Agricultural Research Foundation, Fisheries Research Institute, 640 07 Nea Peramos, Kavala, Greece b Hellenic Center of Marine Research, 19013 Anavissos, Attica, Greece c Di.S.Te.B.A., Centro Ecotekne, Prov. Lecce-Monteroni 7 University of Salento, 31 00 Salento, Italy Transitional water ecosystems are open systems, ecotones between land, sea and fresh waters, which are continuously modified by the materials they receive from land, sea and fresh waters. The balance of water, salt, nutrients, particulate organic and inorganic matter sets spatial boundaries within transitional ecosystems, which are described according to the Confinement (Guelorget and Pertuisot, 1983) and Ergocline (Legrenge and Demers, 1985) theories. Variations of these balances with time may also set temporal boundaries discriminating ecological conditions, or environmental niches (sensu Emlen, 1973), which support strikingly different community structures. The response time of transitional water communities to the changing environment, determining the time scale of ecological successions, is a critical factor in transitional water ecosystems affecting the likelihood of alternative equilibrium states or ‘transitional states’. Shifts between not-confined and confined ecosystems, freshwater and marine guilds, seagrass, seaweed and phytoplankton dominated producer guilds represent some examples. These recognizable community structure http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aquatic Conservation: Marine and Freshwater Ecosystems Wiley

Transitional states in transitional waters

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References (7)

Publisher
Wiley
Copyright
Copyright © 2008 John Wiley & Sons, Ltd.
ISSN
1052-7613
eISSN
1099-0755
DOI
10.1002/aqc.958
Publisher site
See Article on Publisher Site

Abstract

Transitional states in transitional waters S. ORFANIDISa, S. REIZOPOULOUb and A. BASSETc National Agricultural Research Foundation, Fisheries Research Institute, 640 07 Nea Peramos, Kavala, Greece b Hellenic Center of Marine Research, 19013 Anavissos, Attica, Greece c Di.S.Te.B.A., Centro Ecotekne, Prov. Lecce-Monteroni 7 University of Salento, 31 00 Salento, Italy Transitional water ecosystems are open systems, ecotones between land, sea and fresh waters, which are continuously modified by the materials they receive from land, sea and fresh waters. The balance of water, salt, nutrients, particulate organic and inorganic matter sets spatial boundaries within transitional ecosystems, which are described according to the Confinement (Guelorget and Pertuisot, 1983) and Ergocline (Legrenge and Demers, 1985) theories. Variations of these balances with time may also set temporal boundaries discriminating ecological conditions, or environmental niches (sensu Emlen, 1973), which support strikingly different community structures. The response time of transitional water communities to the changing environment, determining the time scale of ecological successions, is a critical factor in transitional water ecosystems affecting the likelihood of alternative equilibrium states or ‘transitional states’. Shifts between not-confined and confined ecosystems, freshwater and marine guilds, seagrass, seaweed and phytoplankton dominated producer guilds represent some examples. These recognizable community structure

Journal

Aquatic Conservation: Marine and Freshwater Ecosystems – Wiley

Published: Aug 1, 2008

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