Study

Actions

This study is summarised as evidence for the following.

Action Category

Control invasive plants

Action Link
Amphibian Conservation
  1. Control invasive plants

    A replicated, controlled study in 2000–2001 of a wetland in Washington, USA (Kapust, Mcallister & Hayes 2012) found that Oregon spotted frogs Rana pretiosa laid eggs in more plots than expected by chance following mowing of invasive reed canarygrass Phalaris arundinacea. No eggs were laid in unmown plots. Egg mass clusters (1–18 egg masses) were recorded in two of 32 mown plots. Three egg mass clusters (5–20 masses) were also recorded outside study plots in habitat that appeared structurally similar to mown plots. Breeding sites were located using systematic searches within the reed canarygrass dominated wetland. Four of seven sites found were selected and used as the centre of a 30 m diameter circle. Within each circle, eight pairs of randomly located 3 m diameter plots were created. One of each pair was mown close to the ground in August 2000. Breeding was monitored in February–March 2001 using visual encounter surveys.

     

Output references

What Works in Conservation

What Works in Conservation provides expert assessments of the effectiveness of actions, based on summarised evidence in synopses. Subjects covered so far include amphibians, birds, terrestrial mammals, forests, peatland and control of freshwater invasive species. More are in progress.

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