منابع مشابه
Responses of Antarctic pack-ice seals to environmental change and increasingkrill fishing
The compound effects of changing habitats, ecosystem interactions, and fishing practices have implications for the management of Antarctic krill and conservation of its predators. For Antarctic pack-ice seals, an important group of krill predators, we estimate the density and krill consumption in theWest Antarctic Peninsula (WAP)–WesternWeddell Sea area, the main fishery region; and we consider...
متن کاملBody and blubber relationships in antarctic pack ice seals: implications for blubber depth patterns.
Morphometrics and blubber depths from all four high Antarctic seals (Weddell, Ross, crabeater, and leopard) were obtained during a midsummer research cruise in the Ross Sea as the physiological ecology component of the U.S. Antarctic Pack Ice Seals project. These data are the only in vivo measurements of all four species from the same location and time of year and focused on variances in morpho...
متن کاملThermal Fracturing of Pack Ice
The first step was to collect, process, and examine the data from SHEBA. The meteorological data include wind speed, air temperature, and longwave and shortwave radiation. Ice core data were used to calculate an average profile of ice salinity and porosity. Snow cover variations were combined into bins to produce a time history of the fractional coverage of snow as a function of time. Ice stres...
متن کاملEnvironmental correlates of pack ice noise
ULow-frequency ambient noise under pack ice of the central Arctic Ocean has long-term variations mmj (periods greater than I h) which correlate highly with composit -measures of stress applied to the mice by wind, current, and drift. These composites are the horizontal ice stress and the stress moment, and are derived from meteorological and oceanographic data observed simultaneously with the n...
متن کاملThe use of the ice pack test in myasthenia gravis
Hospital can be a very frightening place for patients. As clinicians we can become complacent to the trepidation that some patients face on a daily basis as we move from patient to patient in our clinical comfort zone. One of the biggest fears that patients are subject to is the anticipation of potentially painful and invasive clinical investigations. As empathetic, caring doctors we attempt to...
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ژورنال
عنوان ژورنال: Oryx
سال: 1955
ISSN: 0030-6053,1365-3008
DOI: 10.1017/s0030605300038230