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Understanding the spatio-temporal dynamics of demersal fish species in the Baltic Sea

Orio, Alessandro (2015). Understanding the spatio-temporal dynamics of demersal fish species in the Baltic Sea. Lysekil: (NL, NJ) > Department of Aquatic Resources, Sveriges lantbruksuniversitet. Aqua introductory research essay ; 2015:1
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Abstract

The Baltic Sea is one of the largest brackish areas in the world with mixed salt and fresh water. The particular hydrological characteristics of this sea, such as the temperature and salinity gradients from the Danish Straits to the northernmost part of the Gulf of Bothnia as well as the hypoxia of its deep waters, make it a unique ecosystem.
During the last century the Baltic Sea has undergone major structural changes not only in its physical characteristics but also in the biological communities inhabiting it.
Cod (Gadus morhua) and flounder (Platichthys flesus) are two key species of the Baltic Sea ecosystem. Cod in the Baltic has experienced huge changes in spatial distribution, variations in growth, mortality and abundance in the last 40 years, but still the environmental and the biological drivers that have caused these modifications are unclear. Much less is known for flounder even though it is predated by cod and could potentially compete with it for benthic resources.
All these changes have caused and are causing problems to the fishing industry and the consequent management.
The present situation of the Baltic Sea illustrates the importance of understanding on the processes causing spatial heterogeneity and changes in the fish population dynamics. Such knowledge is crucial in order to work out a better management of the resources.
This essay has the aim of reviewing the state of the knowledge on the spatiotemporal dynamics of cod and flounder in the Baltic Sea and to point out the knowledge gaps that need to be filled.

Authors/Creators:Orio, Alessandro
Editors:Appelberg, Magnus
Title:Understanding the spatio-temporal dynamics of demersal fish species in the Baltic Sea
Series/Journal:Aqua introductory research essay (BIB18664609)
Year of publishing :November 2015
Depositing date:26 November 2015
Number:2015:1
Number of Pages:29
Place of Publication:Lysekil
Publisher:Department of Aquatic Resources, Swedish University of Agricultural Sciences
ISBN for electronic version:978-91-576-9362-4
Language:English
Publication Type:Report
Full Text Status:Public
Agris subject categories.:M Aquatic sciences and fisheries > M01 Fisheries and aquaculture - General aspects
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Fish and Aquacultural Science
Agrovoc terms:cod, flounders, baltic sea, spatial distribution, population dynamics, brackish water
Keywords:cod, flounder, Baltic Sea, spatio-temporal dynamics
URN:NBN:urn:nbn:se:slu:epsilon-e-3099
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-e-3099
ID Code:12864
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Department of Aquatic Resources
Deposited By: Mr Alessandro Orio
Deposited On:30 Nov 2015 07:18
Metadata Last Modified:01 Dec 2015 12:03

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