steppe birds

Effects of Geographical Data Sampling Bias on Habitat Models of Species Distributions: A Case-Study with Steppe Birds in Southern Portugal

Habitat models of species distributions provide useful information about species and biodiversity spatial patterns, which form the basis of many ecological applications and management decisions such as the definition of conservation priorities and …

Breeding Habitat Selection by Steppe Birds in Castro Verde: A Remote Sensing and Advanced Statistics Approach

The Castro Verde SPA is the main pseudo-steppe area in Portugal, holding populations of several threatened steppe bird species of national and international importance. A specific agri-environmental scheme has been put in place in the area to support …

Effects of Species and Habitat Positional Errors on the Performance and Interpretation of Species Distribution Models

Aim: A key assumption in species distribution modelling is that both species and environmental data layers contain no positional errors yet this will rarely be true. This study assesses the effect of introduced positional errors on the performance …