3601 to 3612 of 13906 results
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Threats to seabirds: A global assessment
Read more of: Threats to seabirds: A global assessmentWe present the first objective quantitative assessment of the threats to all 359 species of seabirds, identify the main challenges facing them, and outline priority actions for their conservation. We […]
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Heat and cold stress in the Antarctic
Read more of: Heat and cold stress in the AntarcticIt has long been supposed that repeated exposure of a man to cold conditions might be expected to produce changes within him which would better enable him to stand up […]
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Some limitations on plant growth and development in tundra regions – an investigation using phytometers
Read more of: Some limitations on plant growth and development in tundra regions – an investigation using phytometersThe use of oats as phytometers for seasonal studies of microclimatic favourability and nutrient limitations is reported. The effect of age and development on growth parameters in long‐term experiments is […]
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Dry matter production in Acaena (Rosaceae) on a subantarctic island
Read more of: Dry matter production in Acaena (Rosaceae) on a subantarctic islandThe growth of the rhizomatous perennial Acaena magellanica was studied in a variety of communities on South Georgia (54-55⚬ S, 36-38⚬ W). Maximum leaf area per shoot and leaf number […]
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An Upper Mesozoic island-arc–back-arc system in the southern Andes and South Georgia
Read more of: An Upper Mesozoic island-arc–back-arc system in the southern Andes and South GeorgiaThe Upper Jurassic–Lower Cretaceous strato-tectonic belts of the southern Andes and South Georgia, 2000 km apart, can be correlated and explained as the products of an island-arc–back-arc system. From the […]
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