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Invasive Signal Crayfish in the UK: Survey Methods to Inform Evidence-based Management

Chadwick, D; Eagles, L; Pritchard, E; Sayer, C; Chadwick, M; Axmacher, J; Bradley, P; (2021) Invasive Signal Crayfish in the UK: Survey Methods to Inform Evidence-based Management. In Practice. Bulletin of the Chartered Institute of Ecology and Environmental Management , 112 pp. 33-36. Green open access

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Abstract

With invasive crayfish becoming increasingly widespread, evidence-based management is crucial to protect freshwater ecosystems. Knowledge of the structure and function of invasive crayfish populations allows for an effective evaluation of management efforts. Recent methodological developments have enabled the first truly quantitative studies of UK invasive crayfish populations in the field. This was achieved by the ‘triple drawdown’ (TDD) survey approach. In this article, we explore current survey approaches and their limitations, and we introduce the TDD method with its implications for crayfish survey, policy development and management.

Type: Article
Title: Invasive Signal Crayfish in the UK: Survey Methods to Inform Evidence-based Management
Open access status: An open access version is available from UCL Discovery
Publisher version: https://cieem.net/i-am/in-practice/
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher's terms and conditions.
Keywords: Triple drawdown; population demographics; signal crayfish; methodological advancement; limitations; crayfish survey; Pacifastacus leniusculus.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Dept of Geography
URI: https://discovery.ucl.ac.uk/id/eprint/10126435
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