Results for "knot density"

GCN - Strategic Opportunity Areas (England)

Published by:: Natural England
Last updated:: 09 October 2025

This dataset identifies areas where the addition of new ponds would benefit Great Crested Newt populations defined as strategic opportunity areas (SOAs). These England-wide dataset incorporates the...

Species point records from 1973-75 University of Bristol Severn estuary littoral sediment survey

Published by:: Joint Nature Conservation Committee
Last updated:: 17 May 2018

Variations in invertebrate densities within the Severn Estuary have been examined on four shores over a period of two years. Variability due to seasonal changes was combined with a patchy...

Habitat point records from 1973-75 University of Bristol Severn estuary littoral sediment survey

Published by:: Joint Nature Conservation Committee
Last updated:: 17 May 2018

Variations in invertebrate densities within the Severn Estuary have been examined on four shores over a period of two years. Variability due to seasonal changes was combined with a patchy...

Map based index (GeoIndex) gravity anomalies

Published by:: British Geological Survey (BGS)
Last updated:: 02 April 2026

This low-resolution image has been produced from BGS land and marine gravity data. The colour was generated using the BGS COLMAP software package. Colour levels are defined by histogram...

Species Distribution - A verified distribution model for the lesser sandeel (Ammodytes marinus)

Published by:: Scottish Government SpatialData.gov.scot
Last updated:: 19 June 2024

The lesser sandeel Ammodytes marinus is a key component of the North East Atlantic ecosystem but little is known about its distribution outside of fished areas. In this study, species distribution...

Locations of still images with habitat characterisation from Wight-Barfleur Reef SCI

Published by:: Joint Nature Conservation Committee
Last updated:: 01 July 2019

Locations of still images with habitat characterisation from Wight-Barfleur Reef SCI (CEND 03/13). ArcGIS point feature class. Locations of still images with habitat characterisation across...

Seabird Mapping & Sensitivity Tool (SeaMaST)

Published by:: Natural England
Last updated:: 05 August 2025

SeaMaST provides evidence on the use of sea areas by seabirds and inshore waterbirds in English territorial waters, mapping their relative sensitivity to offshore wind farm and wave/tidal energy...

Anonymised AIS Derived Track Lines 2013

Published by:: Marine Management Organisation
Last updated:: 30 August 2016

This dataset contains the anonymised transit line data used to create the UK shipping density grid.

Model estimates of aboveground carbon for Great Britain

Published by:: Environmental Information Data Centre
Last updated:: 11 March 2026

This dataset presents estimates of total carbon stored in vegetation across Great Britain (GB). Presented as carbon density (tonnes per hectare) the data was obtained by estimating carbon density...

Zooplankton taxa abundance from Windermere North Basin and Esthwaite Water, UK, 2005-2009

Published by:: Environmental Information Data Centre
Last updated:: 26 March 2026

This dataset contains zooplankton taxa density sampled fortnightly from Windermere North Basin and Esthwaite Water in Cumbria, England. All data are from January 2005 to December 2009. The data...

GCN - Strategic Opportunity Areas (Cambridgeshire)

Published by:: Natural England
Last updated:: 05 August 2025

This dataset identifies areas where the addition of new ponds would benefit Great Crested Newt populations. The core areas contain a pond density of 2+ ponds (within 250m) and are located within a...

GCN - Strategic Opportunity Areas (Telford)

Published by:: Natural England
Last updated:: 05 August 2025

This dataset identifies areas where the addition of new ponds would benefit Great Crested Newt populations. The core areas contain a pond density of 2+ ponds and are located within a 1km square...