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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

Dit archief wordt uitgebouwd en beheerd volgens de principes van de Open Access Movement, en het daaruit ontstane Open Archives Initiative.

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Realized niche width of a brackish water submerged aquatic vegetation under current environmental conditions and projected influences of climate change Kotta, J.; Möller, T.; Orav-Kotta, H.; Pärnoja, M. (2014). Realized niche width of a brackish water submerged aquatic vegetation under current environmental conditions and projected influences of climate change. Mar. Environ. Res. 102: 88-101. https://dx.doi.org/10.1016/j.marenvres.2014.05.002 In: Marine Environmental Research. Applied Science Publishers: Barking. ISSN 0141-1136; e-ISSN 1879-0291, meer Ook verschenen in: Kennedy, R.; Allcock, L.; Firth, L.; Power, A.M. (Ed.) (2014). Managing biodiversity in a changing ocean: Proceedings of the 48th European Marine Biology Symposium (EMBS), Galway, Ireland, 19-23 August 2013. European Marine Biology Symposia, 48. Marine Environmental Research, 102(Suppl.). 130 pp., meer

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Beschikbaar in	Auteurs
VLIZ: Non-open access 266356 [ aanvragen ]

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Trefwoord

Marien/Kust

Author keywords

Species distribution; Baltic Sea; Submerged aquatic vegetation; Soft bottom; Climate change; Models

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Auteurs		Top
Kotta, J., meer Möller, T. Orav-Kotta, H. Pärnoja, M.

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Abstract

Little is known about how organisms might respond to multiple climate stressors and this lack of knowledge limits our ability to manage coastal ecosystems under contemporary climate change. Ecological models provide managers and decision makers with greater certainty that the systems affected by their decisions are accurately represented. In this study Boosted Regression Trees modelling was used to relate the cover of submerged aquatic vegetation to the abiotic environment in the brackish Baltic Sea. The analyses showed that the majority of the studied submerged aquatic species are most sensitive to changes in water temperature, current velocity and winter ice scour. Surprisingly, water salinity, turbidity and eutrophication have little impact on the distributional pattern of the studied biota. Both small and large scale environmental variability contributes to the variability of submerged aquatic vegetation. When modelling species distribution under the projected influences of climate change, all of the studied submerged aquatic species appear to be very resilient to a broad range of environmental perturbation and biomass gains are expected when seawater temperature increases. This is mainly because vegetation develops faster in spring and has a longer growing season under the projected climate change scenario.

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