Monitoring Results of the Eagle Owl Population in the Strip-shaped Pine Forests in the Altai Kray, Russia
Based on author’s research in 2013–2014 the paper contains information on distribution, numbers and breeding biology of the Eagle Owl (Bubo bubo) in the strip-shaped pine forests in the Altai Kray. A total of 146 breeding territories of the Eagle Owl (61.6% of the territories already known in the st...
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ftdoajarticles:oai:doaj.org/article:df6321c70b244885a4babcbd8ac4cd2e 2023-05-15T17:48:48+02:00 Monitoring Results of the Eagle Owl Population in the Strip-shaped Pine Forests in the Altai Kray, Russia Igor V. Karyakin 2015-12-01T00:00:00Z https://doi.org/10.19074/1814-8654-2014-29-77-92 https://doaj.org/article/df6321c70b244885a4babcbd8ac4cd2e EN RU eng rus LLC Sibecocenter http://rusraptors.ru/index.php/RC/article/view/29 https://doaj.org/toc/1814-0076 https://doaj.org/toc/1814-8654 1814-0076 1814-8654 doi:10.19074/1814-8654-2014-29-77-92 https://doaj.org/article/df6321c70b244885a4babcbd8ac4cd2e Пернатые хищники и их охрана, Vol 0, Iss 29, Pp 77-92 (2015) raptors owls Eagle Owl Bubo bubo breeding territory Altai pine forests General. Including nature conservation geographical distribution QH1-199.5 Zoology QL1-991 article 2015 ftdoajarticles https://doi.org/10.19074/1814-8654-2014-29-77-92 2022-12-31T07:50:40Z Based on author’s research in 2013–2014 the paper contains information on distribution, numbers and breeding biology of the Eagle Owl (Bubo bubo) in the strip-shaped pine forests in the Altai Kray. A total of 146 breeding territories of the Eagle Owl (61.6% of the territories already known in the strip-shaped pine forests) located in the Altai Kray. Over the past 12 years the population of Eagle Owl declined by 46%. With the most considerable population lost happened after 2007 caused by the intensification of deforestation in the strip-shape pine forests. Considering this fact, we can estimate the current population of the Eagle Owl inhabited the plains on the left bank of the Ob River in the Altai Region as 233–253 (mean 240) breeding pairs. Studies have shown that by a decline in the Eagle Owl population numbers being disturbed by loggers, some pairs of Eagle Owl could move from the forest margin to its depths. In the last few years Eagle Owls begun to occupied theirs nests under the smaller trees than before (t-value=1.86, df=35, p=0.07). Breeding success of the Eagle Owl decreased from 65 to 40.6%, while the average number of chicks in broods increased from 1.87 to 3.15 nestlings to a successful nest. According to the analysis of negative factors influencing the Eagle Owl population - population dynamics of this species prognosed as negative. Article in Journal/Newspaper ob river Directory of Open Access Journals: DOAJ Articles Raptors Conservation 29 77 92 |
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Directory of Open Access Journals: DOAJ Articles |
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language |
English Russian |
topic |
raptors owls Eagle Owl Bubo bubo breeding territory Altai pine forests General. Including nature conservation geographical distribution QH1-199.5 Zoology QL1-991 |
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raptors owls Eagle Owl Bubo bubo breeding territory Altai pine forests General. Including nature conservation geographical distribution QH1-199.5 Zoology QL1-991 Igor V. Karyakin Monitoring Results of the Eagle Owl Population in the Strip-shaped Pine Forests in the Altai Kray, Russia |
topic_facet |
raptors owls Eagle Owl Bubo bubo breeding territory Altai pine forests General. Including nature conservation geographical distribution QH1-199.5 Zoology QL1-991 |
description |
Based on author’s research in 2013–2014 the paper contains information on distribution, numbers and breeding biology of the Eagle Owl (Bubo bubo) in the strip-shaped pine forests in the Altai Kray. A total of 146 breeding territories of the Eagle Owl (61.6% of the territories already known in the strip-shaped pine forests) located in the Altai Kray. Over the past 12 years the population of Eagle Owl declined by 46%. With the most considerable population lost happened after 2007 caused by the intensification of deforestation in the strip-shape pine forests. Considering this fact, we can estimate the current population of the Eagle Owl inhabited the plains on the left bank of the Ob River in the Altai Region as 233–253 (mean 240) breeding pairs. Studies have shown that by a decline in the Eagle Owl population numbers being disturbed by loggers, some pairs of Eagle Owl could move from the forest margin to its depths. In the last few years Eagle Owls begun to occupied theirs nests under the smaller trees than before (t-value=1.86, df=35, p=0.07). Breeding success of the Eagle Owl decreased from 65 to 40.6%, while the average number of chicks in broods increased from 1.87 to 3.15 nestlings to a successful nest. According to the analysis of negative factors influencing the Eagle Owl population - population dynamics of this species prognosed as negative. |
format |
Article in Journal/Newspaper |
author |
Igor V. Karyakin |
author_facet |
Igor V. Karyakin |
author_sort |
Igor V. Karyakin |
title |
Monitoring Results of the Eagle Owl Population in the Strip-shaped Pine Forests in the Altai Kray, Russia |
title_short |
Monitoring Results of the Eagle Owl Population in the Strip-shaped Pine Forests in the Altai Kray, Russia |
title_full |
Monitoring Results of the Eagle Owl Population in the Strip-shaped Pine Forests in the Altai Kray, Russia |
title_fullStr |
Monitoring Results of the Eagle Owl Population in the Strip-shaped Pine Forests in the Altai Kray, Russia |
title_full_unstemmed |
Monitoring Results of the Eagle Owl Population in the Strip-shaped Pine Forests in the Altai Kray, Russia |
title_sort |
monitoring results of the eagle owl population in the strip-shaped pine forests in the altai kray, russia |
publisher |
LLC Sibecocenter |
publishDate |
2015 |
url |
https://doi.org/10.19074/1814-8654-2014-29-77-92 https://doaj.org/article/df6321c70b244885a4babcbd8ac4cd2e |
genre |
ob river |
genre_facet |
ob river |
op_source |
Пернатые хищники и их охрана, Vol 0, Iss 29, Pp 77-92 (2015) |
op_relation |
http://rusraptors.ru/index.php/RC/article/view/29 https://doaj.org/toc/1814-0076 https://doaj.org/toc/1814-8654 1814-0076 1814-8654 doi:10.19074/1814-8654-2014-29-77-92 https://doaj.org/article/df6321c70b244885a4babcbd8ac4cd2e |
op_doi |
https://doi.org/10.19074/1814-8654-2014-29-77-92 |
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Raptors Conservation |
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29 |
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77 |
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92 |
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1766154958559772672 |