Topical issue on Crayfish
Open Access

Table 1

Predefined inclusion criteria for literature returned by systematic search.

Criterion Priority within screening process
Considers Austropotamobius pallipes or A. italicus 1
Empirically and quantitatively assesses relationship between habitat features and crayfish occurrence in the wild. Some aspect of physical habitat structure must be addressed; not solely water chemistry data. Where a study had multiple aims, only data relating directly to habitat-use were considered.  2
Is primary literature published in peer reviewed journals, or conference proceedings 3
Full text available in English 4

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