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October 2012
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Surveys By Month
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Surveys needed this month:
Woodland
Over-wintering birds
Grassland
Water voles
Heathland
Dormouse (Nut search)
River corridors
Dormouse (Nest boxes/tubes)
Terrestrial invertebrates
Bats (Internal inspection)
Aquatic invertebrates
Bats (Emergence counts)
White-clawed crayfish
Bats (Activity surveys)
Fish
Red squirrels
Great-crested newts
Badger (Walkover)
Reptiles
Badger (Bait-marking)
Breeding birds
Otters
Key
Optimum/recommended survey period Surveys possible, but not ideal or may be inconclusive Surveys generally not appropriate or not advised for welfare reasons
Comments and caveats:
  • The timing of habitat surveys may well need to be modified depending upon the flowering times of any particular target plant species.
  • Certain species/groups may require surveys at more specific times of year, months highlighted are a guide only.
  • Weather conditions will affect the appropriate survey period for some species/groups.
  • Some species/groups may require multiple survey visits to determine absence or to assess population status.