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 TERMINÉ 
Background The presence of the invasive alien grey squirrel (Sciurus carolinensis) in the UK is detrimental to several native species and the overall health and resilience of affected woodland ecosystems. The native Eurasian red squirrel (Sciurus vulgaris) is particularly threatened by grey squirrels, but to date there has been no clear pan to stem its po ...
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 TERMINÉ 

Developing a strategic network of SPA reedbeds for Botaurus stellaris (Bittern)

Date du début: 1 févr. 2002, Date de fin: 30 juin 2006,

Background The bittern (Botaurus stellaris)is a secretive bird found most often in marshes and extensive stands of reedbed. The evocative booming call of the male during the breeding season is often the only sign of its presence. Over the last century, the species has been in steady decline throughout Europe, principally due to the loss of suitably large ...
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