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Heart rate and behaviour of fur seals: implications for measurement of field energetics

first_imgArchival data loggers were used to collect information about depth, swimming speed, and heart rate in 23 free-ranging antarctic fur seals. Deployments averaged 9.6 ± 5.6 days (SD) and totaled 191 days of recording. Heart rate averaged 108.7 ± 17.7 beats/min (SD) but varied from 83 to 145 beats/min among animals. Morphometrics explained most variations in heart rate among animals. These interacted with diving activity and swimming speed to produce a complex relationship between heart rate and activity patterns. Heart rate was also correlated with behavior over time lags of several hours. There was significant (P < 0.05) variation among animals in the degree of diving bradycardia. On average, heart rate declined from 100–130 beats/min before the dive to 70–100 beats/min during submersion. On the basis of the relationship between heart rate and rate of oxygen consumption, the overall metabolic rate was 5.46 ± 1.61 W/kg (SD). Energy expenditure appears to be allocated to different activities within the metabolic scope of individual animals. This highlights the possibility that some activities can be mutually exclusive of one another.last_img read more


Glen Cove Hit-and-run Driver Sought

first_imgSign up for our COVID-19 newsletter to stay up-to-date on the latest coronavirus news throughout New York A hit-and-run driver struck and wounded a 63-year-old woman in Glen Cove on Friday afternoon, police said.The victim was crossing Cedar Swamp Road at the corner of Alexander Place when she was hit by a vehicle and the driver fled the scene at 3:19 p.m., Glen Cove city police said.The victim was taken to North Shore Manhasset Hospital, where she is being treated for non-life threatening head and shoulder injuries.Police said a witness followed the suspect and wrote down the first three letters of the license plate, which were FJL.  The vehicle is described as a bluish green Honda, possibly a mid-1990s four-door sedan with after-market tires with sliver rims.  The driver was described as a Hispanic woman wearing her hair in a pony tail.Glen Cove police ask anyone with information regarding this crash to call them at 676-1000.last_img read more


Live look at Hurricane Dorian via beach cams

first_imgHurricane Dorian is now a major Category 5 hurricane with maximum sustained winds of 185 mph, wind gusts of 220 mph, and storm surge of 18 to 23 feet. According to The National Hurricane Center, the storm made landfall on Elbow Cay at 12:40 p.m and as of 2 p.m update, the storm is heading toward Grand Bahama at 7 mph.Here is another look at Hurricane Dorian as it approaches the Florida coast:For up-to-the-minute information on Hurricane Dorian, visit our Storm Central page here.last_img