7496b119-0bd1-42f7-9905-78fc62138ed8 English series series 2026-08-06T12:28:46 MEDIN 3.1.2 biota oceans Cetacean behaviour SeaDataNet Parameter Discovery Vocabulary 2026-06-19 revision Seal abundance SeaDataNet Parameter Discovery Vocabulary 2026-06-19 revision Cetacean abundance SeaDataNet Parameter Discovery Vocabulary 2026-06-19 revision Consenting The Crown Estate Renewable Energy Development Phases 2012-05-15 revision Agreement for Lease Area The Crown Estate Renewable Energy Development Areas 2012-05-15 revision Species distribution GEMET - INSPIRE themes, version 1.0 2009-07-31 revision SeaDataNet sea areas 2012-11-07 revision North Sea SeaVoX Vertical Co-ordinate Coverages 2020-05-21 revision troposphere SeaVoX Vertical Co-ordinate Coverages 2020-05-21 revision water column 2003-10-27T00:00:00 2005-02-09T00:00:00 0.24432272271473 0.335895188473997 53.5865626245985 53.6852375132304 TCE-681 Marine Data Exchange 2003-2005, RPS, Humber Gateway, Marine Mammal Survey Marine Mammal Survey 2005-12-15T00:00:00 creation 2021-05-17T13:43:19 publication English RPS, commissioned by the Institute of Estuarine and Coastal Studies, conducted a marine mammal survey from October 2003 to April 2005 to assess the distribution, abundance, and seasonal trends of grey seals, common seals, and harbour porpoises near the Humber Gateway Offshore Wind Farm off the Holderness coast and the wider south-east England area. Findings confirmed year-round presence—particularly of harbour porpoise and grey seal—with notable seasonal peaks, but overall numbers were low to moderate compared to other UK regions. The study highlighted the importance of using specialist observers for accurate population estimates, the need to account for seasonal trends in environmental impact assessments, and emphasised compliance with UK and EU conservation legislation. Recommendations include ongoing monitoring to capture sensitive periods, further assessment of potential anthropogenic impacts, targeted mitigation to protect regulated populations, and the strengthening of international cooperative frameworks to safeguard threatened marine mammals. There will be no limitations when published on the Marine Data Exchange otherRestrictions Data Must be used in accordance to the Marine Data Exchange's Terms of Use: https://www.marinedataexchange.co.uk/content/info/terms-of-use otherRestrictions The Crown Estate +44 020 7851 5000 enquiries@thecrownestate.co.uk custodian RPS rpsmp@rpsgroup.com originator The Crown Estate +44 020 7851 5000 enquiries@thecrownestate.co.uk distributor RWE support@rwe.com owner notPlanned Documents https://www.marinedataexchange.co.uk/details/TCE-681/summary A link to the web service or dataset. https://www.marinedataexchange.co.uk A link to the general host site. Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2010-12-08T00:00:00 publication Conformity with the Commission Regulation (EU) No 1089/2010 was either not relevant to this dataset or not a requirement of the Marine Data Exchange for the creation and submission of this dataset; therefore, conformity has not been assessed and cannot be declared False series Boat and aerial bird surveys were conducted during which incidental sightings of marine mammals were recorded. In addition, a dedicated marine mammal surveyor was used during four of the vessel-based survey trips. The survey utilised vessel-based and aerial methodologies, systematic twice-monthly observations, dedicated marine mammal observers, and analytical techniques such as GLM and distance sampling, alongside a literature review of relevant legal frameworks. The Crown Estate enquiries@thecrownestate.co.uk pointOfContact EPSG Geodetic Parameter Registry 2022-11-29 revision WGS 84