Estimation of required sampling effort for monitoring the possible effects of transgenic crops on butterflies: Lessons from long-term monitoring schemes in Switzerland - Lang, Andreas; Bühler, Christoph (Ecological indicators, 2012)
Keywords: Abundance; Butterflies; environmental monitoring; Genetically modified crops; GMO monitoring; Landscapes; Lepidoptera; Monitoring; Sample size calculation; Samples; Sampling; Statistical analysis; Statistical methods; Statistical power analysis; surveys; Switzerland; transgenic plants; Switzerland; Sample size calculation; Statistical power analysis; Genetically modified crops; Lepidoptera; GMO monitoring