Increasing food security and preventing further loss of biodiversity are two of humanity's
most pressing challenges. Yet, efforts to address these challenges often lead to situations of …

ABSTRACT 1 We review the status of the four currently recognized guanaco Lama guanicoe
subspecies, and provide information about their taxonomy and distribution. The success of …

Conservation biologists have reported growing evidence of food‐web interactions as causes
of species endangerment. Apparent competition is an indirect interaction among prey …

Neophobia (the fearful reaction to novel stimuli or situations) has a crucial effect on
individual fitness and can vary within and across species. However, the factors predicting …

This article reviews and analyzes the available information on range and livestock
production in the Monte Desert. Cow–calf operations, goats for meat, and sheep for wool are …

The potential for interspecific competition for food resources is a key consideration when
newly introduced ungulates occupy a shared range with resident native species …

Our objective was to assess the relationship between the spatial patterning of perennial
grasses (total, grazed, and non‐grazed) and shrub patches in rangelands under different …

Vicuña, Vicugna vicugna, is one of the few large native herbivores of South American and it
is considered a keystone resource for the Andean Region. We studied foraging ecology of …

Carrying capacity is the maximum animal density an area can sustain without deterioration
of its resources. Overgrazing has degraded Patagonia, but sheep stocks decreased and …

We conducted focal observations of territorial guanacos, a highly polygynous and social
mammal, to compare time budgets between sexes and test the hypothesis that the …