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Visual aerial bird survey data: Thames 2002


This resource contains visual aerial survey data collected for seaduck, divers, grebes and little gull at the Thames. The data collected were used to inform SPA recommendations.

Visual aerial survey data for other individual sites is available in Excel spreadsheet format; visual aerial survey data from all surveyed sites combined is available as an Access database (

Supporting information is provided in the accompanying document: 'Supporting information on visual aerial bird survey data'.

Additional information is provided in the following publication: Camphuysen, K.J., Fox, A.D., Leopold, M.F. and Petersen, I K. 2004. Towards standardised seabirds at sea census techniques in connection with environmental impact assessments for offshore wind farms in the U.K.: a comparison of ship and aerial sampling methods for marine birds, and their applicability to offshore wind farm assessments (PDF, 2.7 mb), NIOZ report to COWRIE (BAM – 02-2002), Texel, 37pp.

Resource type Dataset

Topic category Biota

Reference date 2002··

Excel spreadsheet, extracted from the JNCC visual aerial survey database. The access database holds information from sightings from JNCC aerial surveys (all species) with spatial information.

Responsible organisation
Digital and Data Solutions, JNCC distributor

Limitations on public access No limitations

Use constraints © JNCC, available the Open Government Licence v3.0 (

Metadata date 2023·09·12

Metadata point of contact
Digital and Data Solutions, JNCC

Temporal extent 2002·· 2007··

Spatial extent
North 52.75327233
South 51.07544215
East 2.562790245
West 0.68
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