Grassland Alterations Do Not Affect Breeding Success, But Lead to Dietary Shifts of Eastern Imperial Eagle, a Top Predator: a Case of Successful Adaptation

Habitat transformation is identified as a global threat to biodiversity, affecting threatened raptors. In our study area, habitat change dramatically affected permanent grasslands, shrinking their availability. As we expected, the decrease in share of grasslands in eagles’ territories significantly...

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Main Authors: Dimitar A. Demerdzhiev, Dobromir D. Dobrev, Zlatozar N. Boev, Nedko P. Nedyalkov, Atanas G. Delchev, Stoycho A. Stoychev, Tseno H. Petrov
Format: Article
Language:English
Published: LLC Sibecocenter 2023-10-01
Series:Пернатые хищники и их охрана
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Online Access:http://rusraptors.ru/index.php/RC/article/view/406
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author Dimitar A. Demerdzhiev
Dobromir D. Dobrev
Zlatozar N. Boev
Nedko P. Nedyalkov
Atanas G. Delchev
Stoycho A. Stoychev
Tseno H. Petrov
author_facet Dimitar A. Demerdzhiev
Dobromir D. Dobrev
Zlatozar N. Boev
Nedko P. Nedyalkov
Atanas G. Delchev
Stoycho A. Stoychev
Tseno H. Petrov
author_sort Dimitar A. Demerdzhiev
collection DOAJ
description Habitat transformation is identified as a global threat to biodiversity, affecting threatened raptors. In our study area, habitat change dramatically affected permanent grasslands, shrinking their availability. As we expected, the decrease in share of grasslands in eagles’ territories significantly affected occupancy rate, but not productivity: we found that occupancy rate decreased significantly, while productivity showed no trend. Understanding the adaptive capacity of top predators and how they respond to shifts in prey abundance and availability is crucial for their conservation. We investigated the diet pattern of the endangered Eastern Imperial Eagle (Aquila heliaca) facing long-term and large-scale changes.
format Article
id doaj-art-eb17798d51904531b4d6ba284f4542ed
institution Kabale University
issn 1814-0076
1814-8654
language English
publishDate 2023-10-01
publisher LLC Sibecocenter
record_format Article
series Пернатые хищники и их охрана
spelling doaj-art-eb17798d51904531b4d6ba284f4542ed2025-01-06T16:31:31ZengLLC SibecocenterПернатые хищники и их охрана1814-00761814-86542023-10-010Supl.229029410.19074/1814-8654-2023-2-290-294373Grassland Alterations Do Not Affect Breeding Success, But Lead to Dietary Shifts of Eastern Imperial Eagle, a Top Predator: a Case of Successful AdaptationDimitar A. Demerdzhiev0Dobromir D. Dobrev1Zlatozar N. Boev2Nedko P. Nedyalkov3Atanas G. Delchev4Stoycho A. Stoychev5Tseno H. Petrov6Болгарское общество защиты птиц / Birdlife Болгарии; Национальный музей естественной истории, отдел зоологииБолгарское общество защиты птиц / Birdlife БолгарииБолгарское общество защиты птиц / Birdlife Болгарии; Национальный музей естественной истории, отдел зоологииНациональный музей естественной истории, отдел зоологииБолгарское общество защиты птиц / Birdlife БолгарииБолгарское общество защиты птиц / Birdlife БолгарииБолгарское общество защиты птиц / Birdlife БолгарииHabitat transformation is identified as a global threat to biodiversity, affecting threatened raptors. In our study area, habitat change dramatically affected permanent grasslands, shrinking their availability. As we expected, the decrease in share of grasslands in eagles’ territories significantly affected occupancy rate, but not productivity: we found that occupancy rate decreased significantly, while productivity showed no trend. Understanding the adaptive capacity of top predators and how they respond to shifts in prey abundance and availability is crucial for their conservation. We investigated the diet pattern of the endangered Eastern Imperial Eagle (Aquila heliaca) facing long-term and large-scale changes.http://rusraptors.ru/index.php/RC/article/view/406хищные птицыорел-могильникaquila heliacaболгария
spellingShingle Dimitar A. Demerdzhiev
Dobromir D. Dobrev
Zlatozar N. Boev
Nedko P. Nedyalkov
Atanas G. Delchev
Stoycho A. Stoychev
Tseno H. Petrov
Grassland Alterations Do Not Affect Breeding Success, But Lead to Dietary Shifts of Eastern Imperial Eagle, a Top Predator: a Case of Successful Adaptation
Пернатые хищники и их охрана
хищные птицы
орел-могильник
aquila heliaca
болгария
title Grassland Alterations Do Not Affect Breeding Success, But Lead to Dietary Shifts of Eastern Imperial Eagle, a Top Predator: a Case of Successful Adaptation
title_full Grassland Alterations Do Not Affect Breeding Success, But Lead to Dietary Shifts of Eastern Imperial Eagle, a Top Predator: a Case of Successful Adaptation
title_fullStr Grassland Alterations Do Not Affect Breeding Success, But Lead to Dietary Shifts of Eastern Imperial Eagle, a Top Predator: a Case of Successful Adaptation
title_full_unstemmed Grassland Alterations Do Not Affect Breeding Success, But Lead to Dietary Shifts of Eastern Imperial Eagle, a Top Predator: a Case of Successful Adaptation
title_short Grassland Alterations Do Not Affect Breeding Success, But Lead to Dietary Shifts of Eastern Imperial Eagle, a Top Predator: a Case of Successful Adaptation
title_sort grassland alterations do not affect breeding success but lead to dietary shifts of eastern imperial eagle a top predator a case of successful adaptation
topic хищные птицы
орел-могильник
aquila heliaca
болгария
url http://rusraptors.ru/index.php/RC/article/view/406
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