Repeat photography on range and forest lands in the western United States

Abstract

Repeat photography is a valuable tool for demonstrating the effects over time of climate, management and other variables on range and forest lands. This bibliography lists 175 publications using repeat photography, with information on the ecosystems photographed, states where they are located, number of photographs, and dates when the photographs were taken. References to photography of 19 natural ecosystems, 2 cultivated ecosystems and 3 special problems are listed. The interval between photographs may be over a century or less than a year.