Journal of Insect Conservation · 2001 · 36 citations · 19 references
Life SciencesEcologyEntomologyInsect EcologyPopulation BiologyPopulation EcologyButterfly ConservationEndangered Insect SpeciesInsect MonitoringInsect Population DiversityInsect Population DynamicsPopulation Abundance MonitoringButterfly Population MonitoringInsect Population EstimationInsect Population SamplingInsect Population SurveillancePopulation Dynamics MonitoringPopulation SizeSmall Population SizeTransect Sampling
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A method for assessing changes in the abundance of butterflies
E. Pollard · Biological Conservation · 1977 · 949 citations
Life Sciences, Ecology, Zoology +10
Population structure of pierid butterflies
Ward B. Watt, Frances S. Chew, Lee R. G. Snyder et al. · Oecologia · 1977 · 235 citations
Life Sciences, Biology, Zoology +14
Temperature, Rainfall and Butterfly Numbers
E. Pollard · Journal of Applied Ecology · 1988 · 197 citations
Monitoring Long‐Term Population Change: Why are there so Many Analysis Methods?
Len Thomas · Ecology · 1996 · 192 citations
A quick method for estimating butterfly numbers during surveys
Jeremy A. Thomas · Biological Conservation · 1983 · 168 citations
Life Sciences, Entomology, Zoology +12