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Lloyd F. Lowry
University of Alaska Fairbanks
Sea iceEcologyBeluga WhaleFisheryBiology
9Publications
6H-index
1,561Citations
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Publications 9
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#1John J. Citta (Alaska Department of Fish and Game)H-Index: 10
#2Lloyd F. Lowry (UAF: University of Alaska Fairbanks)H-Index: 6
Last. Tom GrayH-Index: 2
view all 26 authors...
Abstract We collated available satellite telemetry data for six species of ice-associated marine mammals in the Pacific Arctic: ringed seals (Pusa hispida; n = 118), bearded seals (Erignathus barbatus, n = 51), spotted seals (Phoca largha, n = 72), Pacific walruses (Odobenus rosmarus divergens, n = 389); bowhead whales (Balaena mysticetus, n = 46), and five Arctic and sub-arctic stocks of beluga whales (Delphinapterus leucas, n = 103). We also included one seasonal resident, eastern North Pacifi...
2 CitationsSource
#1John J. Citta (Alaska Department of Fish and Game)H-Index: 10
#2Pierre R Richard (Fisheries and Oceans Canada)H-Index: 7
Last. Matthew L. Druckenmiller (CU: University of Colorado Boulder)H-Index: 3
view all 15 authors...
At least five populations (stocks) of beluga whales (Delphinapterus leucas) are thought to winter in the Being Sea, including the Bristol Bay, Eastern Bering Sea (Norton Sound), Anadyr, Eastern Chukchi Sea, and Eastern Beaufort Sea (Mackenzie) populations. Belugas from each population have been tagged with satellite-linked transmitters, allowing us to describe their winter (January–March) distribution. The objectives of this paper were to determine: (1) If each population winters in the Bering S...
12 CitationsSource
#1John J. Citta (Alaska Department of Fish and Game)H-Index: 10
#2Lori T. Quakenbush (Alaska Department of Fish and Game)H-Index: 17
Last. Helen AdermanH-Index: 2
view all 6 authors...
We describe the annual distribution of beluga whales (Delphinapterus leucas) in Bristol Bay, Alaska, using data from 31 satellite-linked transmitters during 2002–2011. Bristol Bay has one of the largest and best studied Pacific salmon (Oncorhynchus spp.) fisheries in the world, allowing us to link the seasonal distribution of belugas to that of salmon. During salmon migrations, beluga movements were restricted to river entrances. Belugas generally did not relocate to different river entrances or...
10 CitationsSource
#1Kristin L. Laidre (UW: University of Washington)H-Index: 32
#2Harry L. Stern (UW: University of Washington)H-Index: 23
Last. F. UgarteH-Index: 3
view all 16 authors...
Arctic marine mammals (AMMs) are icons of climate change, largely because of their close association with sea ice. However, neither a circumpolar assessment of AMM status nor a standardized metric of sea ice habitat change is available. We summarized available data on abundance and trend for each AMM species and recognized subpopulation. We also examined species diversity, the extent of human use, and temporal trends in sea ice habitat for 12 regions of the Arctic by calculating the dates of spr...
142 CitationsSource
#1Kit M. Kovacs (NPI: Norwegian Polar Institute)H-Index: 51
#2Alex Aguilar (University of Barcelona)H-Index: 38
Last. Fritz Trillmich (Bielefeld University)H-Index: 44
view all 19 authors...
The 2008 IUCN (International Union for Conservation of Nature) review of the status of the world’s mammals identified marine mammals (IUCN 2008) as disproportionally threatened and data poor compared to their terrestrial counterparts, and their status was noted as a particular concern (IUCN 2008, Mace et al. 2008, Schipper et al. 2008). The threats faced by marine mammals were identified as being different, with accidental mortality and pollution being dominant threats that superseded habitat lo...
101 CitationsSource
#1Lloyd F. LowryH-Index: 6
#2Peter L. BovengH-Index: 18
Publisher Summary This chapter examines the characteristics, taxonomy, distribution, and behavior of the ribbon seal, which is one of the least well known of all the world's pinnipeds. The species has been placed in the genus Phoca based on cranial morphology but molecular studies indicate that ribbon seals belong in the separate genus, Histriophoca . Pups are born with a long, white pelage called lanugo, and for the first year after the lanugo is shed their coat is silver–gray with a dark blue–...
5 CitationsSource
#1Jan Schipper (IUCN: International Union for Conservation of Nature and Natural Resources)H-Index: 15
#2Janice Chanson (IUCN: International Union for Conservation of Nature and Natural Resources)H-Index: 16
Last. Bruce E. Young (NatureServe)H-Index: 24
view all 130 authors...
Knowledge of mammalian diversity is still surprisingly disparate, both regionally and taxonomically. Here, we present a comprehensive assessment of the conservation status and distribution of the world's mammals. Data, compiled by 1700+ experts, cover all 5487 species, including marine mammals. Global macroecological patterns are very different for land and marine species but suggest common mechanisms driving diversity and endemism across systems. Compared with land species, threat levels are hi...
908 CitationsSource
#1Kristin L. LaidreH-Index: 32
#2Ian Stirling (CWS: Canadian Wildlife Service)H-Index: 63
Last. Steven H. Ferguson (Fisheries and Oceans Canada)H-Index: 33
view all 6 authors...
We review seven Arctic and four subarctic marine mammal species, their habitat requirements, and evidence for biological and demographic responses to climate change. We then describe a pan-Arctic quantitative index of species sensitivity to climate change based on population size, geographic range, habitat specificity, diet diversity, migration, site fidelity, sensitivity to changes in sea ice, sensitivity to changes in the trophic web, and maximum population growth potential (Rmax). The index s...
381 CitationsSource
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