Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 549364
Title Benthic effects of offshore renewables: identification of knowledge gaps and urgently needed research
Author(s) Dannheim, Jennifer; Bergström, Lena; Birchenough, Silvana N.R.; Brzana, Radosław; Boon, Arjen R.; Coolen, Joop W.P.; Dauvin, Jean-Claude; Mesel, Ilse De; Derweduwen, Jozefien; Gill, Andrew B.; Hutchison, Zoë L.; Jackson, Angus C.; Janas, Urszula; Martin, Georg; Raoux, Aurore; Reubens, Jan; Rostin, Liis; Vanaverbeke, Jan; Wilding, Thomas A.; Wilhelmsson, Dan; Degraer, Steven; Norkko, Joanna
Source ICES Journal of Marine Science (2019). - ISSN 1054-3139 - 17 p.
DOI https://doi.org/10.1093/icesjms/fsz018
Department(s) Onderz. Form. I.
Aquatic Ecology and Water Quality Management
Publication type Refereed Article in a scientific journal
Publication year 2019
Keyword(s) benthos - environmental impact - knowlegde gaps - marine ecology - offshore wind farms - renewable energy
Abstract As the EU's commitment to renewable energy is projected to grow to 20% of energy generation by 2020, the use of marine renewable energy from wind, wave and tidal resources is increasing. This literature review (233 studies) (i) summarizes knowledge on how marine renewable energy devices affect benthic environments, (ii) explains how these effects could alter ecosystem processes that support major ecosystem services and (iii) provides an approach to determine urgent research needs. Conceptual diagrams were set up to structure hypothesized cause-effect relationships (i.e. paths). Paths were scored for (i) temporal and spatial scale of the effect, (ii) benthic sensitivity to these effects, (iii) the effect consistency and iv) scoring confidence, and consecutively ranked. This approach identified prominent knowledge gaps and research needs about (a) hydrodynamic changes possibly resulting in altered primary production with potential consequences for filter feeders, (b) the introduction and range expansion of non-native species (through stepping stone effects) and, (c) noise and vibration effects on benthic organisms. Our results further provide evidence that benthic sensitivity to offshore renewable effects is higher than previously indicated. Knowledge on changes of ecological functioning through cascading effects is limited and requires distinct hypothesis-driven research combined with integrative ecological modelling.
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