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This is an exciting opportunity for a data engineer/scientist to work with GWCT’s Fisheries, GIS/data science, and IT departments to assist with the development of a data warehouse to support the work of our Salmon and Trout Research Centre.
Here, a team of fisheries scientists undertake world-cl...
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Grey heron
The grey heron (Ardea cinerea) is a beautiful statuesque bird, native to vast swathes of the Eastern Hemisphere. It’s found in a broad range of wetland habitats from Britain to Norway, to Japan, and South Africa and almost every country in between - bar the hottest deserts, and the col...
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European grayling. Photo courtesy of Rod Calbrade.
The European grayling (Thymallus thymallus) is a member of the salmon family (Salmonidae) and can be found throughout the UK and mainland Europe. Unlike Atlantic salmon and sea trout, European grayling are generally potadromous, which means they ...
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Key points
Declines have been recorded in Atlantic salmon populations recently, which are thought to be because of changes in how well they survive at sea.
To manage salmon populations better, it is important to understand which factors affect their survival.
One theory is that larger smolts sur...
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Key points
Salmon populations have been declining over the past 30 years.
Salmon hatch in streams, migrate to the sea after 1-4 years, spend one or more years at sea, before travelling back to their home stream to spawn.
When spawning they make nests in the gravel, called redds.
The distribution...
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It is widely accepted that a global decline has occurred in Atlantic salmon (Salmo salar L.) populations. This is reflected in both rod catch data and salmon counter data.
On the River Frome in Dorset the total number of adult salmon returning to spawn has been monitored since 1973 by a fish cou...
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Water shrew
I knew very little about the water shrew before writing this account, but I am now convinced that it’s one of Britain’s quirkiest animals. Who knew that we had a venomous, red-toothed mammal wandering about the countryside that tastes horrible to predators and can anchor itself underw...
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Common cuttlefish
It’s an animal that can change colour, has eight sucker-covered arms growing out of its head, three hearts pumping its blue-green hemocyanin blood, and a doughnut-shaped brain.
By this brief description, you would think this species was from the Netflix series Stranger Things, b...
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Mountain hare
The mountain hare is sometimes known as the ‘blue hare’ because of its blue-grey summer coat, in contrast to the rich brown fur of the brown hare. The mountain hare turns white in winter, helping it match its snowy surroundings as it lives high in the mountains of Scotland.
The moun...
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Barnacle goose
As with my other Species of the Month, I like to try and coincide what I write with things I have seen and link it to the current month, so this month is no different, but this one has caught my imagination somewhat.
While walking along the south coast this weekend doing a bit of b...
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