by Bethany Smith | Sep 8, 2022 | Map
Does tagging fish make them easy prey? Researchers routinely tag fish with acoustic pingers, which allow the tracking their movements to determine population movements and patterns. Marine mammals may be able to use those tags to locate and eat the fish. Researchers...
by Bethany Smith | Sep 8, 2022 | Map
Determining manatee diets HSWRI researchers performed the first isotope analysis of Florida manatees as a baseline to determine wild manatee diets. Manatees feed on a variety of plants in fresh, estuarine and marine habitats, but it’s difficult to determine...
by Bethany Smith | Sep 8, 2022 | Map
The double migration of elephant seals HSWRI researchers discovered that adult northern elephant seals, who both breed and molt on California’s Channel Islands, go to sea twice each year during which they range widely in the northern Pacific Ocean. Using new...
by Bethany Smith | Sep 7, 2022 | Map
Effects of El Niño on California sea lions Prior to the 1983 El Niño, California sea lion populations in the Channel Islands were recovering from the low numbers that resulted from indiscriminate killing which had continued through the 1930s. HSWRI researchers...
by Bethany Smith | Sep 7, 2022 | Map
Beluga whale response to oil drilling Belugas depend upon sound for many important biological functions such as foraging, navigation and communication. The territory of beluga whales overlaps the rich oil deposits in the arctic continental shelf. Oil exploration,...