Exploring Cumulative Effects Offshore

9th November 2015


In the last in the IA Network mini-series on cumulative effects, Sarah Edwards (Xodus) and Murray Grant (Royal Haskoning DHV) discuss the challenges and solutions of such assessments in offshore EIA practice.

Presentation 1: Reality and Challenges in offshore cumulative effects assessment.- CLICK HERE

Sarah Edwards discusses Defra’s recently established working group on CEA in the marine environment. The presentation will cover three areas:

1. An overview of the aims and objectives of the working group.

2. An outline of how CEA was approached for a recent floating offshore wind project. (Statoil Hywind Scotland 30 MW demonstration project), discussing the methods between different receptors and highlighting key issues encountered (e.g. agreeing assessment criteria and significance thresholds).

3. Review of how the challenges in conducting the Hywind CEA align with aims and objectives of the Defra working group.

Presentation 2: Challenges and Solutions in assessing cumulative impacts on Seabird Populations.- CLICK HERE

Murray Grant will use the example of offshore wind farms and seabird populations in the UK to consider the challenges that exist in undertaking cumulative impact assessments on such receptors. It will also illustrate approaches that have been taken to address the challenges in determining magnitude, likelihood and spatial distribution of cumulative effects related to highly mobile seabird populations.

Speaker Biographies:

Sarah Edwards is a principal environmental consultant at Xodus Group with experience of EIA and cumulative effects assessment in the offshore environment.

Murray Grant is an experienced avian ecologist with Royal HaskoningDHV. His background is in applied ecological research with recent focus on ornithological assessments within EIA for renewables developments (offshore and onshore). Murray has published widely in the peer reviewed scientific literature, is a contributory author for several books on ornithology and ecology.

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