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NW England

Restore and Enhance A Crayfish Habitat (REACH) project - Lead Organisation: Eden Rivers Trust

The aim of the REACH project was to help maintain, protect and promote a key population of white-clawed crayfish by:
− Raising awareness about the dangers of introducing alien crayfish species and crayfish plague;
− Investigating the population ecology of the River Eden’s white-clawed crayfish population;
− Reconnecting fragmented crayfish populations by improving degraded habitat;
− Monitoring the impact of habitat improvement works to evaluate the benefits and disseminate to others.


Hoff Helm Crayfish Project - Lead Organisation: Eden Rivers Trust

The aim of the Hoff Helm crayfish project is to help maintain, protect and promote a key population of white-clawed crayfish by:

- Investigating the population ecology of the River Eden’s white-clawed crayfish;
- Improving the habitat for existing crayfish populations to ensure their long term survival;
- Reconnecting fragmented crayfish populations by improving degraded habitat;
- Establishing at least 3 Ark sites in the Eden catchment;
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Raising awareness about the dangers of introducing alien crayfish species and crayfish plague;

- Monitoring the impact of habitat improvement works to evaluate the benefits and disseminating information to others.

MSc by research: White clawed crayfish species-habitat relationship: the influence of scale and landscape structure - Lead Organisation: Durham University

An MSc by research project. This is a field based study of White clawed crayfish habitat use/preferences on the River Wansbeck. The aim of this thesis is to determine: the spatial scale at which white clawed crayfish are responding to habitat variables; the influence of habitat connectivity on population size and; the influence of distance downstream on habitat use. The output of the work will be a research thesis and a kilometre scale distribution map from the river’s source to Morpeth.

White-clawed crayfish awareness raising and surveys in Cheshire - Lead organisation: Environment Agency

Highlighting the White-clawed crayfish in Cheshire and to survey existing populations, in order for the records can be sent to partners including the Cheshire Wildlife Trust and used to designate inhabited habitats as Sites of Biological Importance (SBI's).

Cheshire White-clawed crayfish rescue, quarantine and Ark Site set-up - Lead organisation: Environment Agency

One of Cheshire's four Whiter-clawed crayfish populations is currently under threat from non-native Signal crayfish. This project was created to create an Ark Site to protect this endangered population.