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Original Articles

The influence of environmental factors on pond activity of aquatic red-spotted newts Notophthalmus viridescens

ORCID Icon, , , & ORCID Icon
Pages 711-720 | Received 26 Mar 2017, Accepted 11 Oct 2017, Published online: 16 Nov 2017

Figures & data

Figure 1. Total number of newts captured daily across all years of sampling (2009, 2011, 2013–2016). There was a significant increase in newt captures with increasing minimum air temperature (°C).

Figure 1. Total number of newts captured daily across all years of sampling (2009, 2011, 2013–2016). There was a significant increase in newt captures with increasing minimum air temperature (°C).

Figure 2. Proportion of males captured daily in 2016. Daily captures were always male-biased or equal (0.5). The proportion of males captured in a given day increased with increasing minimum water temperature (°C).

Figure 2. Proportion of males captured daily in 2016. Daily captures were always male-biased or equal (0.5). The proportion of males captured in a given day increased with increasing minimum water temperature (°C).

Figure 3. Daily mean SVL (mm) of newts captured in 2016. There was not a significant relationship between size and minimum daily water temperature (°C).

Figure 3. Daily mean SVL (mm) of newts captured in 2016. There was not a significant relationship between size and minimum daily water temperature (°C).