High mountain systems are predicted to be especially vulnerable to the impact of climate
change, with the climatically-constrained tree limit rapidly shifted upslope. In turn, the impact …

We re‐evaluated the relationship between territorial Svalbard rock ptarmigan male presence
and ecological relevant variables related to vegetation, terrain and snowmelt, building on …

The Pyrenean rock ptarmigan (Lagopus muta pyrenaica) lives at one of the southernmost
limits of the ptarmigan range. Their small population sizes and the impacts of global …

Species distributions are influenced by climate and topography in alpine ecosystems, yet
resource selection studies of alpine species are uncommon. Basic characteristics of habitats …

The willow ptarmigan (Lagopus lagopus) is an economically important and desired game
species in Scandinavia. Its abundance varies considerably in time and space, but there has …

ABSTRACT Capsule: The Black Grouse is a primarily lekking species, but low population
density and lack of suitable habitat can lead to the establishment of non-lekking populations …

Les recensements de populations de lagopèdes alpin (Lagopus muta) mâles se font par
points d'écoute au printemps (fin mai–début juin). Plusieurs observateurs se placent à des …

We analysed space use strategies in two populations of Alpine Rock Ptarmigan Lagopus
muta helvetica considering three topographical variables (elevation, slope and aspect) to …

Rock ptarmigan populations in the Alps are suffering an overall decline, and management
actions are needed to ensure their conservation. Yet wildlife management and conservation …

In most unisexual species, the numbers of male and female individuals are approximately
equal. The adult sex ratio (ASR) is a key demographic parameter for the conservation and …