Keywords: خرس قطبی; Climate change; Diversionary feeding; Human-wildlife conflict; Polar bear; Sea ice; State space model; Subsistence; Summer; Ursus maritimus;
مقالات ISI خرس قطبی (ترجمه نشده)
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Keywords: خرس قطبی; Polar bear; Den habitat; Snowdrift; Model; SnowDens-3D; Climate;
Keywords: خرس قطبی; QFASA; Diet estimation; Bootstrap sampling; Aitchison distance measure; Polar bear; Ursus maritimus;
Keywords: خرس قطبی; Arctic; Capelin; PFR; Polar bear; Seal; Arctic fox
Keywords: خرس قطبی; Polar bear; Ringed seal; Beluga whale; PFOS precursors; In vitro; Hepatic metabolism;
Immunologic, reproductive, and carcinogenic risk assessment from POP exposure in East Greenland polar bears (Ursus maritimus) during 1983-2013
Keywords: خرس قطبی; Polar bear; Ursus maritimus; Organohalogen contaminants; PBPK modelling; Critical body residue; Immune suppression; Reproductive toxicity; Risk quotient;
Organophosphate esters in East Greenland polar bears and ringed seals: Adipose tissue concentrations and in vitro depletion and metabolite formation
Keywords: خرس قطبی; Organophosphate esters (OPEs); In vitro metabolism; Liver and adipose tissue; Polar bear; Ringed seal; East Greenland;
Original ArticlesRinged seal (Pusa hispida) tooth annuli as an index of reproduction in the Beaufort Sea
Keywords: خرس قطبی; Arctic ocean oscillation; Beaufort Sea; Ecosystem; Polar bear; Reproduction; Ringed seal; Sea ice; Population dynamics; Tooth annuli;
Circumpolar contaminant concentrations in polar bears (Ursus maritimus) and potential population-level effects
Keywords: خرس قطبی; Polar bear; Ursus maritimus; Population effects; Pollution; Bioaccumulation; Arctic; PCB; DDT; Dieldrin; PBDE;
Evaluation of hepatic biotransformation of polybrominated diphenyl ethers in the polar bear (Ursus maritimus)
Keywords: خرس قطبی; Polybrominated diphenyl ether; BDE-47; BDE-99; Polar bear; Liver; Oxidative biotransformation; Hydroxylated metabolites; UHPLC/MS/MS
Dental and Temporomandibular Joint Pathology of the Polar Bear (Ursus maritimus)
Keywords: خرس قطبی; dental pathology; polar bear; temporomandibular joint; Ursus maritimus;
Physiologically-based pharmacokinetic modelling of distribution, bioaccumulation and excretion of POPs in Greenland sledge dogs (Canis familiaris)
Keywords: خرس قطبی; PCBs; Polar bear; Polychlorinated biphenyls; POPs; Persistent Organic Pollutants; Sledge dogs.;
Enhanced biological processes associated with alopecia in polar bears (Ursus maritimus)
Keywords: خرس قطبی; Polar bear; Transcriptome; Unusual mortality event; Ecosystem health;
Establishing a definition of polar bear (Ursus maritimus) health: A guide to research and management activities
Keywords: خرس قطبی; Delphi; Polar bear; Survey; Ursus maritimus; Wildlife health;
Assessment of neurotoxic effects of mercury in beluga whales (Delphinapterus leucas), ringed seals (Pusa hispida), and polar bears (Ursus maritimus) from the Canadian Arctic
Keywords: خرس قطبی; Polar bear; Beluga whales; Ringed seal; Mercury; Neurotoxicity; Threshold;
Physiologically-based pharmacokinetic modelling of immune, reproductive and carcinogenic effects from contaminant exposure in polar bears (Ursus maritimus) across the Arctic
Keywords: خرس قطبی; Polar bear; Organohalogen contaminants; PBPK modelling; Critical body residue; Immune suppression; Reproductive toxicity; Risk quotient;
Environmental contaminants activate human and polar bear (Ursus maritimus) pregnane X receptors (PXR, NR1I2) differently
Keywords: خرس قطبی; CMV; cytomegalovirus; DBD; DNA-binding domain; GAL4; yeast regulatory protein GAL4; hPXR; human PXR; LBD; ligand-binding domain; NR1I2; nuclear receptor subfamily 1 group I member 2, a. k. a pregnane X receptor; pbPXR; polar bear PXR; PXR; pregnane X rece
Zebra-borne equine herpesvirus type 1 (EHV-1) infection in non-African captive mammals
Keywords: خرس قطبی; EHV-1; Trans-species transmission; Zoo; Polar bear; Rhinoceros
Eisbärenzucht (Ursus maritimus Phipps, 1774) im Zoo am Meer Bremerhaven – Fortsetzung einer langen Tradition
Keywords: خرس قطبی; Ursus maritimus; Eisbär; Polar bear; Breeding; Tradition
Occurrence and genotypic analysis of Trichinella species in Alaska marine-associated mammals of the Bering and Chukchi seas
Keywords: خرس قطبی; Trichinella; Walrus; Seal; Arctic fox; Polar bear; Digestion assay;
Polar Bear Encephalitis: Establishment of a Comprehensive Next-generation Pathogen Analysis Pipeline for Captive and Free-living Wildlife
Keywords: خرس قطبی; diagnostic tests; encephalitis; polar bear; wildlife diseases
Polar bears and CITES: A rejoinder to Parsons and Cornick
Keywords: خرس قطبی; CITES; Climate change; Endangered species; Polar bear; Subsistence; Ursus maritimus;
Size and density of East Greenland polar bear (Ursus maritimus) skulls: Valuable bio-indicators of environmental changes?
Keywords: خرس قطبی; Body size; Bone mineral density; Climate oscillations; Condylobasal length; East Greenland; Persistent pollutants; Polar bear;
Three decades (1983-2010) of contaminant trends in East Greenland polar bears (Ursus maritimus). Part 1: Legacy organochlorine contaminants
Keywords: خرس قطبی; Polar bear; Ursus maritimus; DDT; Legacy contaminants; PCB; Temporal trends;
A novel endogenous betaretrovirus group characterized from polar bears (Ursus maritimus) and giant pandas (Ailuropoda melanoleuca)
Keywords: خرس قطبی; Polar bear; Giant panda; Endogenous retrovirus; Genomics;
Linear and branched perfluorooctane sulfonate (PFOS) isomer patterns differ among several tissues and blood of polar bears
Keywords: خرس قطبی; Polar bear; Perfluorooctane sulfonate; PFOS isomers and patterns; Liver; Brain; Blood
Trends of perfluorochemicals in Greenland ringed seals and polar bears: Indications of shifts to decreasing trends
Keywords: خرس قطبی; Greenland; Perfluorochemicals; Polar bear; Ringed seal; Temporal trends
Non-invasive detection of candidate pregnancy protein biomarkers in the feces of captive polar bears (Ursus maritimus)
Keywords: خرس قطبی; Pseudopregnancy; Polar bear; Fecal protein; Pregnancy diagnosis; Non-invasive; Biomarker;
Mercury speciation in brain tissue of polar bears (Ursus maritimus) from the Canadian Arctic
Keywords: خرس قطبی; Methylmerury; Demethylation; Polar bear; Central nervous system
Measuring environmental stress in East Greenland polar bears, 1892–1927 and 1988–2009: What does hair cortisol tell us?
Keywords: خرس قطبی; Polar bear; Hair; Cortisol; EDCs; POPs; HPA
Associations between complex OHC mixtures and thyroid and cortisol hormone levels in East Greenland polar bears
Keywords: خرس قطبی; Cortisol; Thyroid hormone; Contaminants; Organohalogens; Polar bear; HPA axis
Cortisol levels in hair of East Greenland polar bears
Keywords: خرس قطبی; Contaminants; Cortisol; Hair; Hormone; Polar bear; Stress; Ursus maritimus
Polar bear management, sport hunting and Inuit subsistence at Clyde River, Nunavut
Keywords: خرس قطبی; Polar bear; Inuit; Agreement on the Conservation of Polar Bears; Subsistence; Socio-economic relations; Nunavut
Late-Quaternary biogeographic scenarios for the brown bear (Ursus arctos), a wild mammal model species
Keywords: خرس قطبی; Molecular clock; Polar bear; Beringia; Colonization of North America; Expansion/contraction model; Last glacial maximum; Refuge area; Postglacial migration; Phylogeography; Mitochondrial DNA; Holarctic; Pleistocene; Holocene
A screening of persistent organohalogenated contaminants in hair of East Greenland polar bears
Keywords: خرس قطبی; Polar bear; Ursus maritimus; Hair; Adipose; Blood; Brain; Liver; Persistent organohalogenated contaminants; Polychlorinated biphenyls; PCBs; BDE 47; p,p′-DDE
Serosurvey for Trichinella in polar bears (Ursus maritimus) from Svalbard and the Barents Sea
Keywords: خرس قطبی; Trichinella; Ursus maritimus; Polar bear; Svalbard; Barents Sea; ELISA; Toxoplasma gondii; Odobenus rosmarus; Walrus
Reproductive performance in East Greenland polar bears (Ursus maritimus) may be affected by organohalogen contaminants as shown by physiologically-based pharmacokinetic (PBPK) modelling
Keywords: خرس قطبی; Polar bear; PCBs; PFCs; Reproductive toxicity; PBPK modelling; Dieldrin
Bear-hybrids: behaviour and phenotype
Keywords: خرس قطبی; Zoo Osnabrück; Hybrid; brown bear; polar bear; Ursus; behaviour; morphology; phenotype
Is there a link between hypospadias and organochlorine exposure in East Greenland sledge dogs (Canis familiaris)?
Keywords: خرس قطبی; Canis familiaris; East Greenland; Hypospadias; Organochlorines; ∑PCB; Polar bear; Ringed seal; Sledge dog; TEQ; Xenoendocrine disrupters
Polar bears (Ursus maritimus), the most evolutionary advanced hibernators, avoid significant bone loss during hibernation
Keywords: خرس قطبی; Polar bear; Hibernation; Disuse osteopenia; Mechanical unloading; Bone turnover; Evolution; Osteoporosis; Environmental adaptation
Tissue-specific congener composition of organohalogen and metabolite contaminants in East Greenland polar bears (Ursus maritimus)
Keywords: خرس قطبی; Polar bear; Brominated and chlorinated contaminants; Metabolites; Tissue-specific congener composition; East Greenland
Response to Dyck et al. (2007) on polar bears and climate change in western Hudson Bay
Keywords: خرس قطبی; Polar bear; Climate change; Hudson Bay; Ursus maritimus; Sea ice; Body condition
Patterns of faunal extinction and paleoclimatic change from mid-Holocene mammoth and polar bear remains, Pribilof Islands, Alaska
Keywords: خرس قطبی; Woolly mammoth; Polar bear; Holocene; Faunal extinction; Alaska; Bering sea; Beringia; Stable isotopes; Megafauna
Population genetic structure in polar bears (Ursus maritimus) from Hudson Bay, Canada: Implications of future climate change
Keywords: خرس قطبی; Climate change; Cryptic genetic structure; Dispersal; Hudson Bay; Management units; Polar bear; Population structure; Sea ice; Ursus maritimus
Reply to response to Dyck et al. (2007) on polar bears and climate change in western Hudson Bay by Stirling et al. (2008)
Keywords: خرس قطبی; Polar bear; Climate change; Hudson Bay; Extinction; Sea ice; Ursus maritimus
Age and seasonal variability of polybrominated diphenyl ethers in free-ranging East Greenland polar bears (Ursus maritimus)
Keywords: خرس قطبی; Brominated flame retardants; Polybrominated diphenyl ethers; Polar bear; Ursus maritimus; Greenland; Age accumulation; Sex differences; Seasonal variation
Skull pathology in East Greenland and Svalbard polar bears (Ursus maritimus) during 1892 to 2002 in relation to organochlorine pollution
Keywords: خرس قطبی; East Greenland; Organochlorines; Periodontitis; Polar bear; Svalbard; Tooth wear; Ursus maritimus
Spatial and temporal variation in size of polar bear (Ursus maritimus) sexual organs and its use in pollution and climate change studies
Keywords: خرس قطبی; Baculum; Canada; Climate change; East Greenland; Growth; Maturity; Ovary; Polar bear; Pollution; Reproductive organs; Svalbard; Testes; Ursus maritimus; Uterus
Polar bears of western Hudson Bay and climate change: Are warming spring air temperatures the “ultimate” survival control factor?
Keywords: خرس قطبی; Polar bear; Climate change; Hudson Bay; Extinction
Trophic relationships in an Arctic food web and implications for trace metal transfer
Keywords: خرس قطبی; Arctic; Food web; Biomagnification; Trace metals; Stable isotopes; Arctic fox; Polar bear; Bowhead whale; Beluga whale; Gray whale; Ringed seal; Bearded seal; Spotted seal; Ribbon seal;