County Wildife Site Criteria for Cornwall Appendices

REPTILES AND AMPHIBIANS (HERPTILES)There should be a presumption for selecting reptile and amphibian sites because theysupport the following species:Cornwall BAP Priority speciesA site is eligible for selection if it supports a significant population of the following species:Anguis fragilis Slow-wormBufo bufo Common ToadLacerta agilis Sand Lizard (reintroduced)Lacerta vivipara Common LizardNatrix natrix Grass SnakeVipera berus AdderSpecies listed on Schedule 5 of the Wildlife & Countryside Act 1981 (asamended)All species above are also listed on Schedule 5 and therefore a site is eligible for selection ifit supports a significant population of any of the above species.Species listed on Schedule 5 of the Conservation of Habitats and SpeciesRegulations 2010A site is eligible for selection if it supports a significant population of the following species:Lacerta agilis Sand Lizard (reintroduced)Sites with significant Reptile assemblagesFoster & Gent (1996) put forward the following criteria for selection of ‘Key Reptile Sites’,which should be considered for designation: All sites with three or more reptile species All sites with two snake species Sites with exceptional populations of one species (see table below) Assemblage sites with a score of four or more (see table below)PopulationSpecies Low Good ExceptionalAdder 10Grass snake 10Common lizard 20Slow-worm 20Score 1 2 3The figures refer to maximum numbers of reptiles recorded by one person in one day, byobservation and/or by checking under ‘tins’ placed at a density of up to 10 per hectare. The‘tinning’ survey method is described in Gent & Gibson (1998).Appendix 6 – Species Evaluation in CornwallCounty Wildlife Sites Criteria