Habitat requirements for the conservation of wood cricket Nemobius sylvestris Orthoptera Gryllidae on the Isle of Wight, UK

Niels, C.B.; Adrian, C.N.

Journal of Insect Conservation 13(5): 529-541

2009


ISSN/ISBN: 1366-638X
DOI: 10.1007/s10841-008-9199-5
Accession: 024766444

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Abstract
In the UK, wood cricket (Nemobius sylvestris) is a Species of Conservation Concern, being restricted to only three areas in southern England. Little information is available on the specific habitat requirements of this species. In 2006, a field investigation within three woodlands on the Isle of Wight was undertaken to identify its habitat preferences. Factors positively influencing wood cricket presence within woodlands included the presence of a well-developed leaf litter layer, relatively low ground vegetation cover and height, low canopy cover and relatively short distances between individual populations. Regression models identified the degree of isolation and variables describing vegetation structure as the main predictors for wood cricket presence within woodland fragments. The results of this study indicate the preference of wood cricket for open wooded edges. Conservation efforts for this species should focus on continuation of regular management activities aimed at providing permanent open edge habitat within woodlands, to maintain viable populations.

Habitat requirements for the conservation of wood cricket Nemobius sylvestris Orthoptera Gryllidae on the Isle of Wight, UK