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This paper summarises the outcomes of a quantitative analysis of the extent of Antarctic wilderness, recently published in Nature (Leihy et al., 2020). The researchers assembled an extensive database of ground-based human activity across the Antarctic continent and offshore islands…
The relationships between flying Antarctic seabirds and their at-sea environments remain poorly understood, particularly outside of the breeding season. Improving our knowledge of how these marine predators use their habitat is a critical step towards conservation of these species.
Line-transect distance sampling is a widely used method for estimating animal density from aerial surveys. Analysis of line-transect distance data usually relies on a requirement that the statistical distribution of distances of animal … groups from the transect line is uniform.
The efficacy of a new mass-transfer method for … estimating milk intake was examined in Antarctic fur … seals (Arctocephalus gazella) at Iles Kerguelen. Our … method differed from previous mass-transfer approaches … in that we estimated milk-mass transfer as the maternal … mass lost (MML; kg)…