Field Metabolic Rates of Breeding Chinstrap Penguins (Pygoscelis antarctica) in the South Shetlands

1996 ◽  
Vol 69 (3) ◽  
pp. 586-598 ◽  
Author(s):  
Juan Moreno ◽  
Juan J. Sanz
Keyword(s):  
Metabolic Rates ◽  
The South ◽  
Pygoscelis Antarctica ◽  
South Shetlands ◽  
Field Metabolic Rates

Effect of Wind on Field Metabolic Rates of Breeding Northern Fulmars

Ecology ◽  
1996 ◽  
Vol 77 (4) ◽  
pp. 1181-1188 ◽  
Author(s):  
Robert W. Furness ◽  
David M. Bryant
Keyword(s):  
Metabolic Rates ◽  
Field Metabolic Rates ◽  
Northern Fulmars

Resting and field metabolic rates of Awassi sheep and Baladi goats raised by Negev bedouin

2020 ◽  
Vol 158 (5) ◽  
pp. 431-437
Author(s):  
Michael Kam ◽  
Shaher El-Meccawi ◽  
Arieh Brosh ◽  
A. Allan Degen
Keyword(s):  
Metabolic Rate ◽  
Resting Metabolic Rate ◽  
Arid Areas ◽  
Metabolic Rates ◽  
Herbaceous Vegetation ◽  
Sheep And Goats ◽  
Awassi Sheep ◽  
Natural Pasture ◽  
Field Metabolic Rates ◽  
The Cost

AbstractSheep are grazers and goats are intermediate feeders. By employing O2 consumption and heart rate measurements, resting metabolic rate (RMR) and field metabolic rate (FMR) were determined in four male fat-tailed Awassi sheep (44.0 ± 3.94) and four male Baladi goats (35.5 ± 5.42 kg) that were co-grazing natural pasture in the Negev Desert. There were 67.7 ± 3.75 g DM/m2 of herbaceous vegetation biomass, which was rapidly becoming senescent and more fibrous. We hypothesized that FMR of these desert-adapted ruminants would be relatively low when compared to other sheep and goat breeds, as animals in arid areas tend to have low metabolic rates. Both sheep (n = 6) and goats (n = 6) foraged 71% of the allotted 11 h free-pasture period; however, sheep grazed more than goats (P < 0.001); whereas goats browsed more than sheep (P < 0.001). RMR was higher (P = 0.007) in sheep than in goats (529 ± 23.5 v. 474 ± 25.4 kJ/kg0.75 BW/d), but FMR did not differ between species (618 ± 55.7 v. 613 ± 115.2 kJ/kg0.75 BW/d). In addition, the cost of activities, as a proportion of FMR, did not differ between sheep and goats; FMR increased by 89 kJ/kg0.75 BW/d or 17% in sheep and by 138 kJ/kg0.75 BW/d or 29% in goats. In comparing FMRs of sheep and goats in this study with these species in other studies, differences were inconsistent and, therefore, our hypothesis was not supported.

The diversity, distribution, and pathogenic potential of cultivable fungi present in rocks from the South Shetlands archipelago, Maritime Antarctica

Extremophiles ◽  
2019 ◽  
Vol 23 (3) ◽  
pp. 327-336 ◽  
Author(s):  
Isabel M. S. Alves ◽  
Vívian N. Gonçalves ◽  
Fabio S. Oliveira ◽  
Carlos E. G. R. Schaefer ◽  
Carlos A. Rosa ◽  
...  
Keyword(s):  
The South ◽  
Maritime Antarctica ◽  
Pathogenic Potential ◽  
South Shetlands

Divergent field metabolic rates highlight the challenges of increasing temperatures and energy limitation in aquatic ectotherms

Oecologia ◽  
2020 ◽  
Vol 193 (2) ◽  
pp. 311-323 ◽  
Author(s):  
Karissa O. Lear ◽  
David L. Morgan ◽  
Jeff M. Whitty ◽  
Nicholas M. Whitney ◽  
Evan E. Byrnes ◽  
...  
Keyword(s):  
Metabolic Rates ◽  
Energy Limitation ◽  
Field Metabolic Rates

scholarly journals Free-swimming northern elephant seals have low field metabolic rates that are sensitive to an increased cost of transport

2014 ◽  
Vol 217 (9) ◽  
pp. 1485-1495 ◽  
Author(s):  
J. L. Maresh ◽  
S. E. Simmons ◽  
D. E. Crocker ◽  
B. I. McDonald ◽  
T. M. Williams ◽  
...  
Keyword(s):  
Metabolic Rates ◽  
Free Swimming ◽  
Cost Of Transport ◽  
Elephant Seals ◽  
Low Field ◽  
Northern Elephant Seals ◽  
Field Metabolic Rates

Estimating field metabolic rates of pinnipeds: doubly labelled water gets the seal of approval

2008 ◽  
Vol 22 (2) ◽  
pp. 245-254 ◽  
Author(s):  
C. E. Sparling ◽  
D. Thompson ◽  
M. A. Fedak ◽  
S. L. Gallon ◽  
J. R. Speakman
Keyword(s):  
Metabolic Rates ◽  
Doubly Labelled Water ◽  
Field Metabolic Rates ◽  
Seal Of Approval

The Bellingshausen-Palmer meeting

Polar Record ◽  
2015 ◽  
Vol 51 (6) ◽  
pp. 644-654 ◽  
Author(s):  
Rip Bulkeley
Keyword(s):  
Antarctic Peninsula ◽  
South Shetland Islands ◽  
The South ◽  
Shetland Islands ◽  
Contentious Issue ◽  
Balanced Assessment ◽  
Absolute Certainty ◽  
South Shetlands ◽  
The Antarctic

ABSTRACTThe celebrated meeting between Captain Bellingshausen of the Imperial Russian Navy and the American sealing skipper Nathaniel Brown Palmer, off the South Shetland Islands in February 1821, has often been described by following just one or other of the two men's divergent and in some respects irreconcilable accounts. The most contentious issue is whether or not Palmer told Bellingshausen about the existence of a body of land to the south of the South Shetlands, known today as the Antarctic Peninsula. This note attempts to reach a balanced assessment of the matter by examining evidence from both sides, including several previously unconsidered items. It concludes that, although the truth will never be known with absolute certainty, the basic American account is more plausible, by the narrowest of narrow margins, than the Russian.

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