Protection for 'at risk' species in play by May
19 species of flora and fauna have been recommended for interim protection relating to forestry operations in a recent report.
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19 species of flora and fauna have been recommended for interim protection relating to forestry operations in a recent report.
Freshwater crayfish are among the most endangered animal groups in the world. Appropriate management requires an understanding of sampling bias when assessing their distribution and abundance. We evaluated the effectiveness of a variety of sampling methods for detecting freshwater crayfish (genus Euastacus) in situ and potential biases towards individual-level traits associated with these methods. We also experimentally manipulated the presence of crayfish within opera house traps to determine the effects of trap residency on capture rate and the characteristics of crayfish approaching the tra...