3/19/2023 0 Comments Project erebusPrevious work by evaluating the geographic origins and demographic roles of femalesīorn elsewhere that join the Erebus Bay population as adults. The project will maintain the long-term database (1978-present) and extend Strong annual variation in reproduction, abundance, and population composition.Ī new award in 2022 to Montana State University (Jay Rotella, Principal Investigator) continues the long-term population study duringĢ022-2026. Results of analyses conducted on hte project over the past 20 years have documented From 2002-2021, the project was conducted by Robert Garrott, Jay Rotella, and Donald Siniff through grants to Montana State University from the National Science Foundation. Species because population members have strong site fidelity, are readily approachedĪnd tagged during the pup-rearing period, and have been intensively studied for 40 ![]() Population is ideal for increasing understanding of population dynamics of long-lived Interest as the Ross Sea is one of the most productive areas of the Southern Ocean,Īnd one of the few pristine marine environments remaining on the planet. The Erebus Bay population of Weddell seals in Antarctica's Ross Sea is the most southerlyīreeding population of mammal in the world. More than 28,000 marked individuals, contains detailed information on the populationsĪnd individual animals that provide excellent opportunities to study linkages betweenĮnvironmental conditions and demographic processes in the Antarctic. The long-term database, which includes data for ![]() A breeding population of Weddell seals, a prominent Antarctic high-level predatorĪssociated with fast ice, has been intensively studied in Erebus Bay at the southernĮxtent of the Ross Sea since 1968.
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