Realm: Marine
Climate: Temperate
Biome: Large river delta ecosystems
Central latitude: 40.700000
Central longitude: 0.700000
Duration: 34 years, from 1985 to 2021
1922 records
62 distinct species
Across the time series
Anas platyrhynchos is the most frequently occurring species
Methods
A number of observers conducted absolute censuses and counts at roosting sites covering the entire delta during January.
Citation(s)