publication . Book . 2007

Field assessment of great crested newt Triturus cristatus mitigation projects in England.

Lewis, B.; Griffiths, Richard A.; Barrios, Y.;
Closed Access English
  • Published: 03 Jul 2007
  • Publisher: Natural England
  • Country: United Kingdom
Abstract
The status of great crested newts at 13 sites that have been subjected to mitigation before 2002 was assessed by standardized surveys carried out during March-May 2005. Ponds on the mitigation sites (n=31 in total) were each surveyed four times over this period by a combination of torch counts, bottle trapping and mark-recapture population estimates.\ud The quality of pre-development information on the sites was extremely variable. Moreover, because of (1) the paucity of standardized pre-development population assessment data; and (2) changes in the aquatic and terrestrial habitats at the sites, comparisons of the current population assessments with historical d...
Subjects
free text keywords: GE, GN
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