Terrestrial invertebrate surveys

A number of terrestrial invertebrate species, such as large blue butterfly and Fisher’s estuarine moth are protected by law and are a consideration in the planning process. Invertebrate surveys can be conducted by our experienced invertebrate specialists to determine whether important invertebrate communities are present on a site, or as part of an ongoing programme of monitoring.

Our surveyors, who are licensed where necessary, use both typical methods such as beating, sweeping, hand searching and spot sweeping and specialist methods such as light trapping for moths and flight interception trapping for woodland species.

Our reports are designed to support planning applications, and detail the presence or absence of invertebrate populations. We assess the quality of specific species assemblages, using Invertebrate Species-habitats Information System (ISIS) where required, explaining the implications and focussing on realistic solutions for your project.

Where enhancement of retained habitat is recommended, or the design and implementation of replacement habitat is required, our sister company, Thomson Habitats can offer practical assistance.

Further reading and related articles

Thomson Ecology Handbook

This online version of the Thomson Ecology Handbook provides a general overview of current wildlife legislation* and is aimed at helping project managers understand and plan for ecology from the start.

Find out more

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