Data from: Camera trap placement and the potential for bias due to trails and other features

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camera placement;understory stem density;detection bias;detection probability;vegetative cover;camera trap;overstory stem density

DOI：

doi:10.5061/dryad.1g53b

摘要：

tes or presence/absence information. It is increasingly clear that camera placement can directly impact this kind of data, yet these biases are poorly under

Great Plains Population and Environment Data: Agricultural Data, 1870-1997 [United States];;Archival Version

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DOI：

doi:10.3886/icpsr04254

摘要：

in process came in 1969 with the switch from face-to-face enumeration to enumeration by mail. Nonsample "short" forms were mailed to every respondent