JNCC visual aerial bird survey data

Visual aerial survey data collected for seaduck, divers, grebes, and little gull. Data were collected visually from aircraft, at sites identified as holding potentially important aggregations of non-breeding waterbirds. The data collected were used to inform SPA recommendations. 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. [https://tethys.pnnl.gov/sites/default/files/publications/Camphuysen-et-al-2004-COWRIE.pdf](https://tethys.pnnl.gov/sites/default/files/publications/Camphuysen-et-al-2004-COWRIE.pdf).