Recent observations on the Great Bustard,<i>Otis tarda</i>, in south-eastern Anatolia

Kiliç, Ahmet; Karakaş, Recep

doi:10.1080/09397140.2005.10638109

Cited by 3 publications

(4 citation statements)

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“…The number of Great Bustards Turkey accounts for only 1-2% of the Great Bustard world population and consists of approximately 700-1200 individuals (Morales & Martin, 2002;Kılıç & Karakaş, 2005;Palacin & Alonso, 2008;Karakaş & Akarsu, 2009;Alonso & Palacin, 2010;Birdlife International, 2017). In summary, 7 surveyed areas were recorded as having a total breeding population of 100 individuals, a total summering population of 70 individuals, and a total wintering population of 205 individuals.…”

Section: Discussionmentioning

confidence: 99%

“…Various population size studies have been conducted on the Great Bustard in Turkey, with each study producing different results. The most up to date studies give the total population size as approximately 700-1200 individuals (Morales & Martin, 2002;Kılıç & Karakaş, 2005;Palacin & Alonso, 2008;Karakaş & Akarsu, 2009;Alonso & Palacin, 2010;Birdlife International, 2017). The species has two discrete subpopulations in Turkey.…”

Section: Introductionmentioning

confidence: 99%

“…One of them is located in Eastern and Southeastern Anatolia and the other in the central and inner parts of Central Anatolia (Karakaş & Akarsu, 2009). Recent Great Bustard population status studies have been conducted on a regional basis (Kılıç & Karakaş, 2005;Özbağdatlı & Tavares, 2006;Karakaş & Akarsu, 2009;Karataş, 2012;Azizoğlu, 2013;Karataş & Özelmas, 2013) and the breeding ecology of the Great Bustard in the Muş plain has been studied (Tanrıverdi, 2015). The population status of the Altıntaş Wildlife Development Area and the area between Körhasan -Aktaş -Ortaköy -Başkurt villages have previously been determined (Yarar & Magnin, 1997;Karataş & Özelmas, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Counting Results of Great Bustard (Otis tarda, Linnaeus, 1758) Between 2013-2020 in Eskişehir, Kütahya and Afyonkarahisar provinces

Karataş¹,

Karakaya²

2021

Commagene Journal of Biology

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The Great Bustard (Otis tarda, Linneaus 1758) is a bird species categorized as "Least Concern" in Europe and "Vulnerable" in the world by the IUCN and listed in both CITES and the Bern Convention Annex II. According to the latest estimates, Turkey's population makes up only 1-2% of the global population, which is represented by 44.000-57.000 individuals. This population study was carried out in 7 different locations in Eskişehir, Kütahya, and Afyonkarahisar provinces between March 2013 and January 2020. In summary, the surveyed areas were recorded as having a total wintering population of 205 individuals, a total breeding population of 100 individuals, and a total summering population of 70 individuals. The surveyed areas represent an average of 17-29% of Turkey's population in wintering period, an average of 8-14% of Turkey's population in breeding period, and an average of 6-10% of Turkey's population in summering period. Urgent implementation of protective measures is required to prevent the population decline of the Great Bustard within the study areas. Detailed ethological studies on the species are recommended as a means of creating new measures to not only stop population decline but to promote population growth to healthy levels.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Counting Results of Great Bustard (Otis tarda, Linnaeus, 1758) Between 2013-2020 in Eskişehir, Kütahya and Afyonkarahisar provinces

Karataş¹,

Karakaya²

2021

Commagene Journal of Biology

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“…Great Bustards are known to avoid irrigated fields (Lane et al 2001, Sani 2015), and water abstraction and diversion for irrigation (Ambarlı et al 2016) have destroyed wetland habitats and freshwater springs, on which many Great Bustards in Turkey depend (Karakaş and Akarsu 2009). Mechanisation in agriculture causes direct mortality through egg and chick loss during harvest (Kılıç and Karakaş 2005, Vadász and Lóránt 2015, Nagy 2018) and provides the opportunity to plough and cultivate hills in the landscape, which were once habitat islands that Great Bustards used as leks (Heunks et al 2001, Karakaş and Akarsu 2009). Pesticide use, which can harm Great Bustards directly (Karakaya et al 2017) and/or indirectly by reducing their food supply (Martín et al 2007) is also a widespread practice in Great Bustard habitats in Turkey (Karakaya et al 2017).…”

Section: Discussionmentioning

confidence: 99%

Current status of Great Bustard Otis tarda in Turkey: population size, distribution, movements, and threats

Özgencil

Akarsu

Karataş

et al. 2021

Bird Conservation International

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Summary The Great Bustard Otis tarda is a globally threatened species with populations inhabiting the steppe zones of Turkey. In recent decades, its populations in Turkey have suffered severe declines in range and size. Although the remaining populations are in urgent need of protection, there has been no national-scale study on the species since 2009, and huge information gaps remain concerning its range, abundance, and movements in the country. Here, we combined data from five years of fieldwork together with all available sight and literature records to present up-to-date estimates of distribution and population size in Turkey, to better understand its movement patterns, to reveal its recent and historical population changes, and to assess its national extinction risk and threats. We find that the species’ breeding population has shrunk by 20–29% over the last five years, and there are only 559–780 breeding Great Bustards in Turkey distributed in two discrete subpopulations. Comparison with historical records shows that the species’ range has shrunk by at least 60% since the beginning of the 20th century. We suggest possible migratory routes within and through Turkey and that Turkey might have a higher regional importance for the species than previously thought. Illegal hunting, agricultural intensification, shift to irrigated crops, overgrazing, collision with powerlines, and disturbance are the most severe threats to the species in Turkey. Our national Red List assessment yields an Endangered categorisation. Further studies are needed to understand the metapopulation structure and movements of the species and to conserve its remaining populations in Turkey.

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Recent status and distribution of the Great Bustard,Otis tarda, in Turkey

Karakaş

Akarsu

2009

Zoology in the Middle East

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Recent observations on the Great Bustard,Otis tarda, in south-eastern Anatolia

Cited by 3 publications

References 0 publications

Counting Results of Great Bustard (Otis tarda, Linnaeus, 1758) Between 2013-2020 in Eskişehir, Kütahya and Afyonkarahisar provinces

Counting Results of Great Bustard (Otis tarda, Linnaeus, 1758) Between 2013-2020 in Eskişehir, Kütahya and Afyonkarahisar provinces

Current status of Great Bustard Otis tarda in Turkey: population size, distribution, movements, and threats

Recent status and distribution of the Great Bustard,Otis tarda, in Turkey

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