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Structural changes in benthic macrovegetation and associated epibenthic faunal communities
Isaksson, I.; Pihl, L. (1992). Structural changes in benthic macrovegetation and associated epibenthic faunal communities, in: Heip, C.H.R. et al. (Ed.) Proceedings of the 26th European Marine Biology Symposium: Biological Effects of Disturbances on Estuarine and Coastal Marine Environments, 17-21 September 1991, Yerseke, The Netherlands. Netherlands Journal of Sea Research, 30: pp. 131-140
In: Heip, C.H.R.; Nienhuis, P.H.; Pollen-Lindeboom, P.R. (Ed.) (1992). Proceedings of the 26th European Marine Biology Symposium: Biological Effects of Disturbances on Estuarine and Coastal Marine Environments, 17-21 September 1991, Yerseke, The Netherlands. Netherlands Journal of Sea Research, 30. Netherlands Institute for Sea Research: Texel. 299 pp., more
In: Netherlands Journal of Sea Research. Netherlands Institute for Sea Research (NIOZ): Groningen; Den Burg. ISSN 0077-7579, more
Peer reviewed article  

Also published as
  • Isaksson, I.; Pihl, L. (1992). Structural changes in benthic macrovegetation and associated epibenthic faunal communities. Neth. J. Sea Res. 30: 131-140, more

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Keyword
    Marine

Authors  Top 
  • Isaksson, I.
  • Pihl, L.

Abstract
    Mobile epibenthic fauna was quantitatively assessed using a drop-trap in two shallow-water (0 to 1.5 m) soft-bottom areas on the Swedish west coast during spring and autumn in three to four years during the period 1981 to 1990. Changes in community structure and distribution of benthic macroalgae with increased dominance with filamentous algae were observed in the two study areas. Concurrent changes in both quantity and structure of mobile epibenthic fauna were registered, suggesting a causal relationship. Increased abundance of benthic epifauna and a shift in species composition were observed when increases from low to moderate vegetation cover occurred. Heavy overgrowth by filamentous algae on Zostera marina was accompanied by a reduction in the epibenthic faunal quantity. Shallow coastal areas have high value as feeding grounds and nursery areas for many commercially important fish species. A change in habitat structure will probably have considerable consequences for these species. Among coastal fish populations, eel would be favoured by an increase of filamentous algae, whereas plaice would be negatively affected.

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