A model is given for line transect sampling for the purpose of estimating animal population density which makes no assumption about the value of the detection probability along the transect or about ...

The density of Brazilian tapirs (Tapirus terrestris) was studied in the northeastern part of the Pantanal wetlands of Brazil using two simultaneous and independent methods: (1) systematic camera ...

This technique has long been at the forefront of quantitative ecology, epidemiology and the social sciences for estimating the size of populations that are difficult to count directly. By using ...