Metabolic costs of foraging and the management of O2 and CO2 stores in Steller sea lions
The metabolic costs of foraging and the management of O2 and CO2 stores during breath-
hold diving was investigated in three female Steller sea lions (Eumetopias jubatus) trained …
hold diving was investigated in three female Steller sea lions (Eumetopias jubatus) trained …
Activity as a proxy to estimate metabolic rate and to partition the metabolic cost of diving vs. breathing in pre-and post-fasted Steller sea lions
Three Steller sea lions Eumetopias jubatus, trained to dive voluntarily to depths ranging from
10 to 50 m, were used to determine whether the relationship between activity and metabolic …
10 to 50 m, were used to determine whether the relationship between activity and metabolic …
Activity and diving metabolism correlate in Steller sea lion Eumetopias jubatus
Three Steller sea lions Eumetopias jubatus were trained to participate in free-swimming,
open-ocean experiments designed to determine if activity can be used to estimate the …
open-ocean experiments designed to determine if activity can be used to estimate the …
High diving metabolism results in a short aerobic dive limit for Steller sea lions (Eumetopias jubatus)
The diving capacity of marine mammals is typically defined by the aerobic dive limit (ADL)
which, in lieu of direct measurements, can be calculated (cADL) from total body oxygen …
which, in lieu of direct measurements, can be calculated (cADL) from total body oxygen …
Standard metabolic rate at the surface and during trained submersions in adult California sea lions (Zalophus californianus)
JA Hurley, DP Costa - Journal of Experimental Biology, 2001 - journals.biologists.com
The metabolic rate (MR) of four adult California sea lions (Zalophus californianus), two
males and two females, was quantified during trained submersion and stationing behavior in …
males and two females, was quantified during trained submersion and stationing behavior in …
Submerged swimming and resting metabolic rates in Southern sea lions
M Dassis, DH Rodriguez, EN Ieno, RW Davis - Journal of Experimental …, 2012 - Elsevier
We measured the metabolic rate of nineteen wild and three captive, trained Southern sea
lions (Otaria flavescens, Shaw 1800) during three behavioral states: resting in air ([Formula …
lions (Otaria flavescens, Shaw 1800) during three behavioral states: resting in air ([Formula …
Dive behaviour impacts the ability of heart rate to predict oxygen consumption in Steller sea lions (Eumetopias jubatus) foraging at depth
The predictive relationship between heart rate (f H) and oxygen consumption () has been
derived for several species of marine mammals swimming horizontally or diving in tanks to …
derived for several species of marine mammals swimming horizontally or diving in tanks to …
REDUCTIONS IN OXYGEN CONSUMPTION DURING DIVES AND ESTIMATED SUBMERGENCE LIMITATIONS OF STELLER SEA LIONS (EUMETOPIAS JUBATUS)
Accurate estimates of diving metabolic rate are central to assessing the energy needs of
marine mammals. To circumvent some of the limitations inherent with conducting energy …
marine mammals. To circumvent some of the limitations inherent with conducting energy …
Validation of heart rate and doubly labelled water as measures of metabolic rate during swimming in California sea lions
1. The measurement of energy expenditures in free-ranging animals is essential if we are to
understand fully the interaction between a species and its environment. This study examined …
understand fully the interaction between a species and its environment. This study examined …
Physiological constraints and energetic costs of diving behaviour in marine mammals: a review of studies using trained Steller sea lions diving in the open ocean
Marine mammals are characterized as having physiological specializations that maximize
the use of oxygen stores to prolong time spent under water. However, it has been difficult to …
the use of oxygen stores to prolong time spent under water. However, it has been difficult to …