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We report a 2000-year Antarctic ice-core record of stable carbon isotope measurements in atmospheric methane (ä13CH4). Large ä13CH4 variations indicate that the methane budget varied unexpectedly during the late preindustrial Holocene (circa 0 to 1700 A.D.). During the first thousand years…
ABSTRACT: Predictive species–environment models have numerous ecological and management applications, and can provide insight into the functional relationships between a species and its environment.
On sub-Antarctic Macquarie Island, we examined pup weaning mass of southern elephant seals in relation to human presence. Pup weaning mass was previously found to be positively associated with 1st-year survivorship. Weaned pups were weighed in a remote area, Middle Beach…
The Protocol on Environmental Protection to the Antarctic Treaty (the Madrid Protocol) introduces the requirement to plan and conduct activities to avoid or minimise degradation of the wilderness and aesthetic values of Antarctica.
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