Amphibian Occupancy in Ponds in Olympic, Mount Rainier, and North Cascades National Parks: amphibian presence, site, and survey attributes, 2012-2013
These data are the result of 2 years of pond-breeding amphibian visual encounter surveys conducted across a range of pond types (from highly ephemeral to permanent hydrology) in Mount Rainier, North Cascades, and Olympic National Parks. The R code includes well-annotated code for reorganizing and sub-setting the …