Title
Guide for the use of camera traps: Andean bear
Author(s)
Goldstein, I.;Márquez, R.;Bianchi, G.
Published
2015
Abstract
The use of cameras as research tools in the field of biology began in the late 19th century, however, it was only in the late 20th century that camera traps became a frequently used tool (Kucera & Barrett, 2011). In the 50s and 60s of the 20th century, cameras were developed that included triggering mechanisms by interrupting the passage of light, with multiple shots each time they were triggered, and with power and storage systems that allowed the taking of dozens of photos (Kucera & Barrett, 2011). Subsequently, technological development and commercial demand made it possible to improve and make the systems even cheaper, with small cameras that can take from hundreds to thousands of photographs, with activation times of less than one second and an image quality that allows capturing small differences between species and individuals, both with active activation systems (consisting of a camera, a receiver and an external emitter) or passive activation systems (consisting of a camera that has a built-in motion and heat sensor) (Kucera & Barrett, 2011). Since the mid-1990s, camera traps have played an important role in the study of species that are difficult to observe with conventional sampling methods.
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