News
Citizen Science casts light on UK Cetaceans
National Whale and Dolphin Watch: the great success of a citizen science project casting light on the status and distribution of cetaceans in British waters
The Sea Watch Foundation’s 2019 National Whale and Dolphin Watch event (July 27th – August 4th) revealed striking biodiversity with an impressive thirteen species of cetaceans seen around the British Isles, a number which has only been recorded twice before in the history of the event. The total number of sightings (over 2,000) collected exceeded last year’s by 500 and was the highest reported so far.
For the past 20 years, Sea Watch Foundation has monitored the dolphins, porpoises and whales around the UK, documenting abundance trends, identifying conservation threats, and advising on the best ways to protect the populations both within and outside the Special Areas of Conservation. For the past 17 years this has been spearheaded through an annual national recording event, the National Whale and Dolphin Watch (NWDW), which marks the long-lasting collaboration between citizen scientists, wildlife enthusiasts, the general public, and researchers alike.
Scotland recorded the highest number of sightings particularly along the western coast and on the Inner and Outer Hebrides. In England, the greatest number of sightings were collected in the South around Cornwall and South Devon with similar numbers also collected in Yorkshire and the North-East. In Wales, the highest number of sightings was collected on the West coast.
“The most memorable sightings from this past year’s Watch week include fin whales off Tiumpan Head in the Outer Hebrides, feeding groups of short-beaked common dolphins off Berry Head in Devon, humpback whales sighted off Penzance in Cornwall and off Barra, in the Outer Hebrides, as well as long-finned pilot whales and large pods of Atlantic white-sided dolphins sighted around Shetland”, says Dr Chiara Giulia Bertulli, Sightings Officer and lead organiser of last year’s national event for the Sea Watch Foundation.
Another great success of last year is the larger number of effort sightings (associated by detailed information on several environmental parameters) being collected, which accounts this year for 70% of all sighting records reported during the event.
“Taking sighting records and adding environmental data together helps us to better understand the ways in which cetacean populations are affected by changes to the environment. Not only does the collection of sightings and geographical positions increase our general knowledge of the cetacean fauna that inhabits the seas around the British Isles, it can inform us of important areas and times of year for particular species, enabling better decision making on the risk of harm to local populations from human activities”, continues Chiara.
This year’s NWDW marks also the great collaborations with thirty-four different conservation and recording organisations, including ORCA, Hebridean Whale and Dolphin Trust, Yorkshire Wildlife Trust, MARINELife, and Whale and Dolphin Conservation, who have contributed data collected from boats (inshore and offshore) and from land stations in different parts of the UK.
Sea Watch Foundation are seeking volunteers to take part in the National Whale and Dolphin Watch 2020 this summer, which takes place 25th July – 2nd August. No experience is necessary as the team at Sea Watch will offer you training and advice on how to take part.
Click here or email for details.
To download a copy of the 2019 NWDW report click here.
Gear News
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Sea & Sea is the home of Stahlsac and other leading diving brands in the UK.
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