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Advanced Search Results For "seal"

1 - 10 of 20,833 results for
 "seal"
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Palaeoclimatic changes resulted in range expansion and subsequent divergence in brown fur seals, Arctocephalus pusillus .

Publication Type:Academic Journal

Source(s):Biology letters [Biol Lett] 2022 Aug; Vol. 18 (8), pp. 20220285. Date of Electronic Publication: 2022 Aug 31.

Abstract:Past climatic change as a driving force of marine diversification is still largely unclear, particularly for Southern Hemisphere species. Here, we present a case using the brown fur seal, Arctocephalus pusillus, assessing the geographical structure and...

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Exploring fungal diversity in Antarctic wildlife: isolation and molecular identification of culturable fungi from penguins and pinnipeds.

Publication Type:Academic Journal

Source(s):New Zealand veterinary journal [N Z Vet J] 2022 Sep; Vol. 70 (5), pp. 263-272. Date of Electronic Publication: 2022 Jul 04.

Abstract:Aims: To survey the diversity of fungal species that may be cultured from Antarctic penguins and pinnipeds, and to test the in vitro susceptibility to triazole drugs of any medically important Aspergillu s spp. isolates.Methods: During an expedition to...

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High levels of inbreeding with spatial and host-associated structure in lice of an endangered freshwater seal.

Publication Type:Academic Journal

Source(s):Molecular ecology [Mol Ecol] 2022 Sep; Vol. 31 (18), pp. 4593-4606. Date of Electronic Publication: 2022 Jul 01.

Abstract:Host-specialist parasites of endangered large vertebrates are in many cases more endangered than their hosts. In particular, low host population densities and reduced among-host transmission rates are expected to lead to inbreeding within parasite infr...

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Trace elements in Ladoga ringed seal (Pusa hispida ladogensis) hair.

Publication Type:Academic Journal

Source(s):Marine pollution bulletin [Mar Pollut Bull] 2022 Aug; Vol. 181, pp. 113896. Date of Electronic Publication: 2022 Jul 05.

Abstract:Hair samples of two adults, eight molted pups, and four newborn Ladoga ringed seals Pusa hispida ladogensis found stranded ashore on Lake Ladoga, North-West Russia, in 2020-2021, were analyzed for concentrations of trace elements, including toxic heavy...

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Evaluating suitability of saliva to measure steroid concentrations in grey seal pups.

Publication Type:Academic Journal

Source(s):General and comparative endocrinology [Gen Comp Endocrinol] 2022 Sep 15; Vol. 326, pp. 114070. Date of Electronic Publication: 2022 Jun 04.

Abstract:Measurement of steroids in wild pinnipeds can facilitate assessment of breeding, nutritional and stress status, and is useful in understanding behavioral responses. Even in young animals, sex steroids may be important in behavioral interactions and imm...

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The antique genetic plight of the Mediterranean monk seal ( Monachus monachus ).

Publication Type:Academic Journal

Source(s):Proceedings. Biological sciences [Proc Biol Sci] 2022 Aug 31; Vol. 289 (1981), pp. 20220846. Date of Electronic Publication: 2022 Aug 31.

Abstract:Disentangling the impact of Late Quaternary climate change from human activities can have crucial implications on the conservation of endangered species. We investigated the population genetics and demography of the Mediterranean monk seal ( Monachus m...

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Implications of Escherichia coli community diversity in free-ranging Australian pinniped pups.

Publication Type:Academic Journal

Source(s):Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases [Infect Genet Evol] 2022 Oct; Vol. 104, pp. 105351. Date of Electronic Publication: 2022 Aug 17.

Abstract:Escherichia coli is a widely studied bacterium, commonly used as an indicator of faecal contamination. Investigations into the structure and diversity of E. coli in free-ranging wildlife species has been limited. The objective of this study was to char...

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Deciphering Eurasian otter (Lutra lutra L.) and seal (Phoca vitulina L.; Halichoerus grypus F.) diet: Metabarcoding tailored for fresh and saltwater fish species.

Publication Type:Academic Journal

Source(s):Molecular ecology [Mol Ecol] 2022 Oct; Vol. 31 (19), pp. 5089-5106. Date of Electronic Publication: 2022 Aug 15.

Abstract:Long-lived top predators shape biodiversity structure in their ecosystems and predator-prey interactions are critical in decoding how communities function. Studies on the foraging ecology of seals and Eurasian otters in Western Europe are outdated and ...

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Trace elements in blood of Baltic gray seal pups (Halichoerus grypus) from the Gulf of Riga and their relationship with biochemical and clinical parameters.

Publication Type:Academic Journal

Source(s):Marine pollution bulletin [Mar Pollut Bull] 2022 Sep; Vol. 182, pp. 113973. Date of Electronic Publication: 2022 Jul 28.

Abstract:Trace elements are pollutants of both natural and anthropogenic origin which can influence negatively on ecosystem and wildlife health. We evaluated trace element in blood samples of gray seal (Halichoerus grypus) stranded in the Gulf of Riga and their...

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Sympatric otariids increase trophic segregation in response to warming ocean conditions in Peruvian Humboldt Current System.

Publication Type:Academic Journal

Source(s):PloS one [PLoS One] 2022 Aug 11; Vol. 17 (8), pp. e0272348. Date of Electronic Publication: 2022 Aug 11 (Print Publication: 2022).

Abstract:Determining trophic habits of predator communities is essential to measure interspecific interactions and response to environmental fluctuations. South American fur seals, Arctocephalus australis (SAFS) and sea lions Otaria byronia (SASL), coexist alon...

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