Image Welcome to the Alderney Biodiversity Centre card-image Image card-title About Us card-text The Alderney Biodiversity Centre is the Local Environmental Records Centre for Alderney. It is funded and staffed by the Alderney Wildlife Trust. Find out more about our aims here. card-image Image card-title Enter Records card-text Enter your wildlife sightings for Alderney to help map the distribution of species across the island and in its waters. card-image Image card-title Explore Records card-text Explore the distribution and timing of occurrence of Alderney's species. Logged in users only. photocard_title Explore Trends photocard_text The Alderney State of Nature Project is analysing how populations of key species are changing over time. Explore trends in seabird populations monitored by the Alderney Wildlife Trust as part of the Alderney West Coast and Burhou Islands Ramsar site here. photocard_title Explore Trends photocard_text_short Explore how seabird populations in Alderney's Ramsar site are changing here. photocard_title Explore Trends photocard_image Image photocard_image Image photocard_title Species of the Month photocard_text Eelgrass (Zostera marina) forms small pockets of lush underwater meadows in the shallow coastal waters around Alderney.Although they only cover around 0.1% of the ocean floor, eelgrass meadows are among the most productive habitats on earth, supporting thousands of marine species. They improve water quality by filtering, cycling and storing pollutants, storing up to 18% of the world’s oceanic carbon.Find out more about eelgrass here. photocard_title Species of the Month photocard_text_short Eelgrass (Zostera marina) forms small pockets of lush underwater meadows in the shallow coastal waters around Alderney. Eelgrass meadows are among the most productive and important habitats on Earth. photocard_title Species of the Month Recent Records All Records