2014, DMP, Zone 3 Dogger Bank Teesside A and B, Statistical Analysis of Marine Mammal Data

Published by:
Marine Environmental Data & Information Network
Last updated:
10 July 2024
Topic:
Not added
Licence:
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Summary

Statistical analyses of Hi-Def aerial survey marine mammal observation survey data for the Dogger Bank development zone between 2009 and 2012. The scope of work requested from DMP Statistical Solutions UK Limited was a package of outputs that reflect the spatial distribution of several species/groups through time. The scope of species and species-groups were agreed with Forewind prior to analysis. The requirements were: 1. Annual relative abundance surfaces where possible for identified groups. 2. Relative and absolute abundance surfaces, over all surveys, for: a. Harbour porpoise. b. ‘Potential harbour porpoise’ grouping. c. Harbour porpoise & ‘Potential harbour porpoise’ grouping combined. d. White-beaked dolphin. e. Minke. f. Grey seal.

The statistical models give expected density surfaces (numbers per square km) and upper and lower confidence bounds, potentially over a range of times e.g. monthly, seasonally, yearly. The models are based on a type of Generalized Additive Model (GAM) using radial basis functions with spatially adaptive knots and radius parameter (Walker et. al. 2011, Scott-Hayward et. al. (TBD)). The predictions in these files are given in a form adjusted for the following availability figure (absolute abundances) and a form UN-adjusted for availability (relative abundances).

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Additional information

View additional metadata
Added to data.gov.uk
2013-11-21
Access contraints
Forewind - internal use only
Harvest GUID
9dfd6d8b20414954acb623d73b9dc43b
Extent
Latitude: 55.85° to 54.60°
Longitude: 1.17° to 3.46°
Spatial reference system
urn:ogc:def:crs:EPSG::32631
Dataset reference date
2013-05-24 (publication)
Frequency of update
notPlanned
Responsible party
DMP Statistical Solutions Ltd (originator); Forewind Ltd (custodian, pointOfContact)
ISO 19139 resource type
series
Metadata language
eng
Source Metadata
XML
HTML

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Forewind - internal use only