Publications

5113 to 5124 of 13961 results

1. Reproductive endocrinology of the Black-browed albatross Diomedea melanophris and the Grey-headed albatross D. chrysostoma

   Gonadal size and the circulating concentrations of two pituitary hormones (luteinizing hormone and prolactin) and three gonadal steroids (testosterone, progesterone and oestradiol‐17β) were measured in two closely related Diomedea albatrosses […]

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2. Reproductive endocrinology of the Wandering Albatross Diomedea exulans in relation to biennial breeding and deferred sexual maturity

   The reproductive endocrinology of the Wandering Albatross Diomedea exulans was studied at South Georgia to investigate the potential endocrine correlates of biennial breeding and of the acquisition of sexual maturity. […]

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3. Corticosterone secretion through long incubation shifts in Diomedea albatrosses

   Blood samples were collected from free-living incubating Diomedea albatross during single incubation shifts, both daily (wandering albatross D. exulans and every 2 days (grey-headed albatross D. chrysostoma and black-browed albatross […]

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4. Gazetteer of the British Antarctic Territory. Third supplement to first edition

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5. The effects of temperature and moisture on dark respiration in the foliose lichen Umbilicaria antarctica

   The dark respiration of field‐fresh thalli of Umbilicaria antarctica Frey et Lamb is reported for temperatures from −5.5 to 19°C, and water contents from saturation to dryness. Detailed analysis of […]

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6. The geology of north-western Palmer Land

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7. The multiple riometer system at Halley, Antarctica

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8. A method for the extraction and analysis of solutes from rock samples with some comments on the implications for weathering studies: an example from Signy Island, Antarctica

   Read more of: A method for the extraction and analysis of solutes from rock samples with some comments on the implications for weathering studies: an example from Signy Island, Antarctica

9. Rock moisture content in the field and the laboratory and its relationship to mechanical weathering studies

   Rock moisture content is a major control of mechanical weathering, particularly freeze‐thaw, and yet almost no data exist from field situations. This study presents moisture content values for rocks, taken […]

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10. The utilization of the stress intensity factor (K1c) in a model for rock fractures during freezing: an example from Signy Island, the maritime Antarctic

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11. Freeze-thaw simulations on quartz-micaschist and their implications for weathering studies on Signy Island, Antarctica

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12. A conspectus of the mosses of Antarctica, South Georgia, the Falkland Islands and southern South America

    Read more of: A conspectus of the mosses of Antarctica, South Georgia, the Falkland Islands and southern South America