4609 to 4620 of 14011 results
-
-
Radio studies of the main F region trough in Antarctica
Read more of: Radio studies of the main F region trough in AntarcticaCase studies of the equatorward movement of the main F region trough are presented, using data recorded by a digital ionospheric sounder located at Halley Bay (76°S, 27°W; Λ = […]
-
The accuracy of simple methods for determining the height of the maximum electron concentration of the F2-layer from scaled ionospheric characteristics
Read more of: The accuracy of simple methods for determining the height of the maximum electron concentration of the F2-layer from scaled ionospheric characteristicsThe techniques for estimating hmF2 from M(3000)F2 are reviewed with particular stress put upon those in which the effects of underlying ionization are accounted for by a correction (ΔM) to […]
-
-
-
Water flux and estimated metabolism of free-ranging gentoo and macaroni penguins at South Georgia
Read more of: Water flux and estimated metabolism of free-ranging gentoo and macaroni penguins at South GeorgiaWater turnover rates were measured in gentoo and macaroni penguins breeding sympatrically on South Georgia Island. At the time of this study, adult male macaronis were attending the nest while […]
-
-
-
Energy costs of incubation in the Wandering Albatross Diomedea exulans
Read more of: Energy costs of incubation in the Wandering Albatross Diomedea exulansThe role of the sexes in incubation, their changes in body weight and associated energy costs were studied in the Wandering Albatross at South Georgia. Males incubate significantly more than […]
-
-
Fecundity, survival and site fidelity in Weddell seals, Leptonychotes weddelli
Read more of: Fecundity, survival and site fidelity in Weddell seals, Leptonychotes weddelliAge-specific fecundity data are presented for 17 yr of tagging and recapture of Leptonychotes weddelli at Signy Island, South Orkney Islands. Minimum age of first pupping was 2 yr, mean […]
-
The occurrence of the Upper Jurassic bivalve Malayomaorica malayomaorica (Krumbeck) on the Orville Coast, Antarctica
Read more of: The occurrence of the Upper Jurassic bivalve Malayomaorica malayomaorica (Krumbeck) on the Orville Coast, AntarcticaMalayomaorica malayomaorica is an important Upper Jurassic bivalve in the southern hemisphere: widely distributed in strata of Early – Middle Kimmeridgian age, it is a zone fossil of considerable potential […]