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Proceedings of the Theriological School

ISSN 2312–2749 (print) • ISSN 2074-2274 (online)

2015 • Vol. 13 • Contents of volume >>>


download pdfSkorobogatov, Eu., Atemasov, A., Banik, M. The Eurasian otter (Lutra lutra) in water bodies of the forest-steppe and steppe zones of northeastern Ukraine. Proceedings of the Theriological School. 2015. Vol. 13: 42–48.


 

title

The Eurasian otter (Lutra lutra) in water bodies of the forest-steppe and steppe zones of northeastern Ukraine

author(s)

Skorobogatov, Eu., Atemasov, A., Banik, M.

affiliation

Ukrainian Steppe Natural Reserve, NAS of Ukraine, Department Kamiani Mohyly (Nasarivka, Ukraine)

bibliography

Proceedings of the Theriological School. 2015. Vol. 13: 42–48.

DOI

http://doi.org/10.15407/ptt2015.13.042

   

language

Ukrainian, with English extended summary, titles of tables, captures to figs, and references

abstract

The status of the Eurasian otter (Lutra lutra L., 1758) in water bodies of the Kharkiv oblast (Northeastern Ukraine) was assessed during expedition surveys in 2007–2008. The aspects of the otter’s distribution in small (SR) and medium (MR) rivers in the forest-steppe and steppe natural zones were analyzed. The otter’s density in SR was 0.4 ind./10 km and 0.6 ind./10 km of riverbed in the forest-steppe and steppe zones, accordingly, and 0.8 ind./10 km in MR in both zones. The length of individual and family territories of the otter was 3.2–28 km (n = 17, M = 14.5 ± 2.3) in SR, and 7–8 km (n = 2, M = 7.5 ± 0.5) in MR. Flood-plain habitats in SR valleys in the steppe zone are considerably less forested than in the forest-steppe zone. However, the extent of overgrowth of the riverbed by emergent and submerged vegetation is markedly higher in SR of the steppe zone (80–90 % versus 30–50 % in SR of the forest-steppe zone). This probably results in lesser disturbance of the otter’s habitats by humans, and indirectly may be reflected in higher densities of otter populations in the steppe zone.

keywords

Eurasian otter (Lutra lutra), small rivers, distribution, abundance, family territories, individual territories.

   

references

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