This is the fourth book dedicated to distance sampling. The first (Buckland et al. 1993)
appeared at around the same time as the first version of the Distance software (Laake et al …

Unlike humans, who came down from the trees and developed bipedal locomotion,
chimpanzees have remained in the original habitat of our ancestors: the tropical rainforests …

Line transect survey techniques have been used to estimate population density for a variety
of mammal species in tropical forests. In many cases indirect methods, surveying signs of …

Tropical forests and the animals they support are being threatened by accelerating rates of
forest conversion and degradation. In a continually fluctuating sociopolitical world, it is often …

From the website: The IUCN/SSC Primate Specialist Group is publishing new guidelines for
surveys and monitoring of great ape populations. These guidelines address a need which …

Primate census techniques have been developed over the past 35–40 years yet there is still
some confusion and great variation in the methods used. This precludes comparisons …

The extension of distance sampling methods to accommodate observations from camera
traps has recently enhanced the potential to remotely monitor multiple species without the …

Chimpanzee (Pan troglodytes troglodytes) and western gorilla (Gorilla gorilla gorilla)
populations in central Africa are rapidly declining as a result of disease epidemics …

Like human immunodeficiency virus type 1 (HIV-1), simian immunodeficiency virus of
chimpanzees (SIVcpz) can cause CD4+ T cell loss and premature death. Here, we used …

The IUCN Species Survival Commission is committed to communicating important species
conservation information to natural resource managers, decision makers and others whose …