Distribution and number of the Eagle Owl in the Republic of Kalmykia, Russia
In this paper we make an estimation of the number of the Eagle Owl (Bubo bubo) in the Republic of Kalmykia by means of using the suitable habitat model in QGIS using data acquired by the Earth remote sensing. The research was carried out in May – July 2020. The distribution of breeding pairs, reprod...
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| Format: | Article |
| Language: | English |
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LLC Sibecocenter
2021-05-01
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| Series: | Пернатые хищники и их охрана |
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| Online Access: | http://rusraptors.ru/index.php/RC/article/view/287 |
| _version_ | 1818577257273229312 |
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| author | Anton Aleksandrovich Abushin |
| author_facet | Anton Aleksandrovich Abushin |
| author_sort | Anton Aleksandrovich Abushin |
| collection | DOAJ |
| description | In this paper we make an estimation of the number of the Eagle Owl (Bubo bubo) in the Republic of Kalmykia by means of using the suitable habitat model in QGIS using data acquired by the Earth remote sensing. The research was carried out in May – July 2020. The distribution of breeding pairs, reproductive success, and diet were studied. 36 eagle-owl’s home ranges are identified, 26 of them were occupied in 2020, and nests were found in 22 breeding territories. The density of breeding territory is 1.29 pairs per 100 km² or 17.5 pairs per 100 km of the linear biotopes on average. The brood size varied from 3 to 5 nestlings, average 3.36±0,67 nestlings per occupied nest and 2.9±1,22 nestlings per successful nest. The current number of the Kalmyk eagle owl population is estimated in a range of 242-293, 266 pairs on average, including 165 pairs (151–181) on the Ergeny hills and 23 pairs (21–25) in the Kuma Manych depression. The breeding grouping of Chernye Zemli is estimated at 70–87 pairs, 78 pairs on average. A decrease in the population level caused by the habitat loss started from the second half of the 20th century is estimated at 52 %. |
| first_indexed | 2024-12-16T06:27:02Z |
| format | Article |
| id | doaj.art-330ec26751b24e7aa759e1c3ac25e7bf |
| institution | Directory Open Access Journal |
| issn | 1814-0076 1814-8654 |
| language | English |
| last_indexed | 2024-12-16T06:27:02Z |
| publishDate | 2021-05-01 |
| publisher | LLC Sibecocenter |
| record_format | Article |
| series | Пернатые хищники и их охрана |
| spelling | doaj.art-330ec26751b24e7aa759e1c3ac25e7bf2022-12-21T22:40:59ZengLLC SibecocenterПернатые хищники и их охрана1814-00761814-86542021-05-0104293310.19074/1814-8654-2021-42-9-33276Distribution and number of the Eagle Owl in the Republic of Kalmykia, RussiaAnton Aleksandrovich Abushin0Государственный природный биосферный заповедник “Черные земли”In this paper we make an estimation of the number of the Eagle Owl (Bubo bubo) in the Republic of Kalmykia by means of using the suitable habitat model in QGIS using data acquired by the Earth remote sensing. The research was carried out in May – July 2020. The distribution of breeding pairs, reproductive success, and diet were studied. 36 eagle-owl’s home ranges are identified, 26 of them were occupied in 2020, and nests were found in 22 breeding territories. The density of breeding territory is 1.29 pairs per 100 km² or 17.5 pairs per 100 km of the linear biotopes on average. The brood size varied from 3 to 5 nestlings, average 3.36±0,67 nestlings per occupied nest and 2.9±1,22 nestlings per successful nest. The current number of the Kalmyk eagle owl population is estimated in a range of 242-293, 266 pairs on average, including 165 pairs (151–181) on the Ergeny hills and 23 pairs (21–25) in the Kuma Manych depression. The breeding grouping of Chernye Zemli is estimated at 70–87 pairs, 78 pairs on average. A decrease in the population level caused by the habitat loss started from the second half of the 20th century is estimated at 52 %.http://rusraptors.ru/index.php/RC/article/view/287пернатые хищникисовыфилинbubo buboраспространениечисленностьгнездовая биология |
| spellingShingle | Anton Aleksandrovich Abushin Distribution and number of the Eagle Owl in the Republic of Kalmykia, Russia Пернатые хищники и их охрана пернатые хищники совы филин bubo bubo распространение численность гнездовая биология |
| title | Distribution and number of the Eagle Owl in the Republic of Kalmykia, Russia |
| title_full | Distribution and number of the Eagle Owl in the Republic of Kalmykia, Russia |
| title_fullStr | Distribution and number of the Eagle Owl in the Republic of Kalmykia, Russia |
| title_full_unstemmed | Distribution and number of the Eagle Owl in the Republic of Kalmykia, Russia |
| title_short | Distribution and number of the Eagle Owl in the Republic of Kalmykia, Russia |
| title_sort | distribution and number of the eagle owl in the republic of kalmykia russia |
| topic | пернатые хищники совы филин bubo bubo распространение численность гнездовая биология |
| url | http://rusraptors.ru/index.php/RC/article/view/287 |
| work_keys_str_mv | AT antonaleksandrovichabushin distributionandnumberoftheeagleowlintherepublicofkalmykiarussia |