About Me

Malham Tarn Field Centre, situated near Malham Tarn in the Yorkshire Dales National Park, North Yorkshire, England. Follow this blog to keep up to date with current goings on at the Tarn.
The centre is run by the Field Studies Council and is popular with both geography and biology students, as well as the wider public. Opened in 1947, the Centre celebrated its 60th anniversary in 2007.Within walking distance of the Centre are famous limestone features including Malham Cove, Gordale Scar and spectacular karst landscapes. The route of the Pennine Way footpath runs very close to the buildings. Nearby habitats include limestone pavement, grazed and ungrazed grassland, woodland and species-rich fen, acid peat pools and stony hill streams. Malham Tarn itself is one of only eight upland alkaline lakes in Europe.

For more information please go to
http://www.field-studies-council.org/malhamtarn/index.aspx




Wednesday, 29 August 2012

New Blue Crayfish

We have a a beautiful new adult White Claw Crayfish in our tanks. She is bright blue in colour which is very rare and thought to be a recessive genetic trait.

As part of their life cycle between May and October Crayfish need to moult their shell to grow. Overnight our crayfish has shed her exoskeleton which is left in the tank and she is an even brighter blue than normal.

The photo is from yesterday before she moulted.

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