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RISS 인기검색어
- 검색키워드
- 저자 : Suuri, Buyandelger (검색결과 3 건)
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Buyandelger Suuri,Otgonbayar Baatargal,Badamdorj Bayartogtokh,Richard P. Reading 국립중앙과학관 2022 Journal of Asia-Pacific Biodiversity Vol.15 No.2
Mongolian marmots (Marmota sibirica) live in colonies that consist of numerous burrows and are considered ecosystem engineers. Although once a common steppe species, marmots are now endangered due to overharvesting, which has led to concerns over the impacts of their loss on other species. The decline of marmots likely affected other species given their importance to the ecosystems they inhabit. To examine the role of marmots on small mammal, we established Sherman traps and drift fence arrays with associated pitfall and funnel traps on active marmot colonies, inactive colonies, and control sites in the forest-steppe and semi-desert zones of Mongolia. Overall, we identified 385 individuals representing 11 species of rodents and 1 species of bat in Ikh Nart and 149 individuals representing 2 species of rodents and 1 species of insectivore from Hustai. We found mixed results between diversity indices and abundance of small mammals on treatment and control sites, complicating the picture. During periods of greater precipitation and resulting higher vegetation cover, species abundance and the Shannon-Wiener, Simpson's, and evenness indices all changed significantly, suggesting that the effect of marmots on other species varies based on environmental conditions.
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Diet composition of lesser kestrels in Ikh Nart Nature Reserve, Mongolia
Ganbold, Onolragchaa,Azua, John,Suuri, Buyandelger,Paik, In-Hwan,Khuderchuluun, Otgontsetseg,Paek, Woon Kee,Reading, Richard P. Elsevier Science B.V. Amsterdam 2017 Journal of Asia-Pacific biodiversity(Online) Vol.10 No.4
<P><B>Abstract</B></P> <P>The lesser kestrel is recognized as “Least Concern” in the International Union for Conservation of Nature (IUCN) Red List since 2011. So far, all available diet studies on the lesser kestrel were conducted in its European range or in partial African breeding and nonbreeding range. In particular, little is known about the feeding behavior of this small falcon in Asian ranges. Thus, this study can be considered as the first to examine the diet composition of the central Asian breeding populations of lesser kestrels. This study aims to provide some information about the diet composition of this species among Asian populations through biological and ecological investigations. Pellets (<I>n</I> = 762) dropped by lesser kestrel (<I>Falco naumanni</I>) were collected during their breeding season from nine to 10 colony sites in Ikh Nart, between June and September of 2009 and 2010, and analyzed. A total of 1,484 prey items were identified in the pellets collected. After a measure of their weight (g) and length and width (mm), we carefully examined each pellet and separated all prey remains using tweezers. Our results indicated that insects (including orthopterans and coleopterans) were dominant in lesser kestrel’s diets. We found that the lesser kestrel’s diet mainly consisted of insects (69.7%), lizards (17.4%), small mammals (10%), small birds (2%), and other food (1%).</P>
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Diet composition of lesser kestrels in Ikh Nart Nature Reserve, Mongolia
Onolragchaa Ganbold,John Azua,Buyandelger Suuri,백인환,Otgontsetseg Khuderchuluun,백운기,Richard P. Reading 국립중앙과학관 2017 Journal of Asia-Pacific Biodiversity Vol.10 No.4
The lesser kestrel is recognized as “Least Concern” in the International Union for Conservation of Nature (IUCN) Red List since 2011. So far, all available diet studies on the lesser kestrel were conducted in its European range or in partial African breeding and nonbreeding range. In particular, little is known about the feeding behavior of this small falcon in Asian ranges. Thus, this study can be considered as the first to examine the diet composition of the central Asian breeding populations of lesser kestrels. This study aims to provide some information about the diet composition of this species among Asian populations through biological and ecological investigations. Pellets (n = 762) dropped by lesser kestrel (Falco naumanni) were collected during their breeding season from nine to 10 colony sites in Ikh Nart, between June and September of 2009 and 2010, and analyzed. A total of 1,484 prey items were identified in the pellets collected. After a measure of their weight (g) and length and width (mm), we carefully examined each pellet and separated all prey remains using tweezers. Our results indicated that insects (including orthopterans and coleopterans) were dominant in lesser kestrel’s diets. We found that the lesser kestrel’s diet mainly consisted of insects (69.7%), lizards (17.4%), small mammals (10%), small birds (2%), and other food (1%).
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