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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Blogs
Northern Red Sea Reefs and Wrecks Trip Report, Part 3: The Mighty Thistlegorm
Jake Davies boards Ghazala Explorer for an unforgettable Red Sea diving experience…
Overnight, the wind picked up, making the planned morning dive a bit bumpy on the Zodiacs to the drop point on Thomas Reef. There, we would dive along the reef before descending through the canyon and then passing under the arch before ascending the wall with a gentle drift. The site provided great encounters with more pelagic species, including shoals of large barracuda, tuna, and bigeye trevally.
Once back on the boat, it was time to get everything tied down again as we would head back south. This time, with the wind behind us, heading to Ras Mohammed to dive Jackfish Alley for another great gentle drift wall dive before then heading up the coast towards the Gulf of Suez to moor up at the wreck of the Thistlegorm. This being the highlight wreck dive of the trip and for many onboard, including myself, it was the first time diving this iconic wreck. I had heard so much about the wreck from friends, and globally, this is a must on any diver’s list. Fortunately for us, there was only one other boat at the site, which was a rarity. A great briefing was delivered by Ahmed, who provided a detailed background about the wreck’s history along with all the required safety information as the currents and visibility at the site can be variable.
Kitting up, there was a lot of excitement on deck before entering the water and heading down the shoreline. Descending to the wreck, there was a light northerly current which reduced the visibility, making it feel more like the conditions that can be found off the Welsh coast. At 10m from the bottom, the outline of the wreck appeared as we reached the area of the wreck which had been bombed, as our mooring line was attached to part of the propeller shaft. Arriving on deck, instantly everywhere you looked there were many of the supplies which the ship was carrying, including Bren Carrier tanks and projectiles that instantly stood out.
We headed around the exterior, taking a look at the large propeller and guns mounted on deck before entering the wreck on the port side to take a look in the holds. It was incredible to see all the trucks, Norton 16H, and BSA motorcycles still perfectly stacked within, providing a real snapshot in time.
Overall, we had four dives on the Thistlegorm, where for all of the dives we were the only group in the water, and at times, there were just three of us on the whole wreck, which made it even more special, especially knowing that most days the wreck has hundreds of divers. Along with the history of the wreck, there was plenty of marine life on the wreck and around, from big green turtles to batfish, along with shoals of mackerel being hunted by trevally. Some unforgettable dives.
The final leg of the trip saw us cross back over the Suez Canal to the Gobal Islands where we planned to stay the night and do three dives at the Dolphin House for the potential of sharing the dive with dolphins. The site, which included a channel that was teeming with reef fish, especially large numbers of goatfish that swam in large shoals along the edge of the reef. These were nice relaxing dives to end the week. Unfortunately, the dolphins didn’t show up, which was okay as like all marine life they are difficult to predict and you can’t guarantee what’s going to be seen. With the last dive complete, we headed back to port for the final night where it was time to clean all the kit and pack before the departure flight the next day.
The whole week from start to finish on Ghazala Explorer was amazing; the boat had all the facilities you need for a comfortable week aboard. The crew were always there to help throughout the day and the chefs providing top quality food which was required after every dive. The itinerary providing some of the best diving with a nice mixture of wreck and reef dives. I would recommend the trip to anyone, whether it’s your first Red Sea liveaboard in the Red Sea or you’re revisiting. Hopefully, it’s not too long before I head back to explore more of the Red Sea onboard Ghazala Explorer.
To find out more about the Northern Red Sea reef and wrecks itineraries aboard Ghazala Explorer, or to book, contact Scuba Travel now:
Email: dive@scubatravel.com
Tel: +44 (0)1483 411590
Photos: Jake Davies / Avalon.Red
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