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RISS 인기검색어
- 검색키워드
- 저자 : Zoljargal Purevdorj (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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The avifaunal survey at Important Bird Areas in western Mongolia
Zoljargal Purevdorj,백운기,Munkhbaatar Munkhbayar,Onolragchaa Ganbold,빙기창,Ariunbold Jargalsaikhan,Erdenetushig Purevee,백인환,최원석,Namsrai Jargal,이준우 한국조류학회II 2019 한국조류학회지 Vol.26 No.1
In 2018, the avifaunal surveys at western Mongolian Important Bird Areas (IBAs) were conducted at 23 sites in three times surveys in May, July, and September. Western Mongolian landscape is characterized by diverse natural zones that dominated by a high mountain range and, wetlands or lakes. Therefore, fresh water high mountain lakes and mountain based IBA sites are common in this region. A total of 131,607 individuals of 201 species that belong to 41 families and 17 orders were recorded in this study. Among these order, Passeriformes was accounted for a higher number of species with 78 species, followed by Charadriiformes with 42 species and Falconiformes, Anseriformes with 26 species, respectively. In addition, the majority of counted birds were (42,121) belong to Anseriformes, while Falconiformes was accounted for the fewest number of counted birds (978). Furthermore, a total of 12 Globally Threatened Birds (GTBs) were recorded including, two Endangered and 10 Vulnerable. According to our findings from this investigation, the high abundance of livestock and tourism activities at wetlands that considered as the most valuable avifaunal hotspot in western Mongolia. In addition, findings also revealed that there is still a need monitoring on actual negative impact from these threats to the bird communities at these hotspots.
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An avifaunal survey of middle Mongolian wetlands: Important Bird Areas and threatened species
Onolragchaa Ganbold,빙기창,이준헌,Munkhbaatar Munkhbayar,백인환,Ariunbold Jargalsaikhan,Erdenetushig Purevee,Zoljargal Purevdorj,백운기 국립중앙과학관 2018 Journal of Asia-Pacific Biodiversity Vol.11 No.3
The objectives of this study were (a) to assess the avifaunal diversity variation among covered wetland habitats in middle Mongolia and (b) to identify threats that might endanger the avifauna at the these wetlands. Surveys were undertaken at 14 wetlands across middle Mongolia, consecutively in May, July, and September 2017. A total of 70 Important Bird Areas (IBAs) were identified in Mongolia; among these IBAs, 44 sites (68%) were based on wetland habitat, including our study sites. In this study, 192 bird species belonging to 94 genera for a total of 132,582 birds from 14 wetlands were recorded. Within total recorded species, 95 species (49.7% of total) of waterbirds belonged to six orders and accounted for 97% of total birds counted. Nine globally threatened bird (GTB) species were recorded; among these, common pochard (Aythya ferina) and swan geese (Anser cygnoides) were recorded with the greatest abundances 3,296 and 3,260, respectively. More livestock overgrazing and prolonged drought were natural phenomena recorded as crucial threats to the birds at the study sites. Our findings highlight the need for habitat management around estuaries.
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An avifaunal survey of middle Mongolian wetlands: Important Bird Areas and threatened species
Ganbold, Onolragchaa,Bing, Gi-Chang,Lee, Jun-Heon,Munkhbayar, Munkhbaatar,Paik, In-Hwan,Jargalsaikhan, Ariunbold,Purevee, Erdenetushig,Purevdorj, Zoljargal,Paek, Woon-Kee Elsevier 2018 Journal of Asia-Pacific Biodiversity Vol.11 No.3
<P><B>Abstract</B></P> <P>The objectives of this study were (a) to assess the avifaunal diversity variation among covered wetland habitats in middle Mongolia and (b) to identify threats that might endanger the avifauna at the these wetlands. Surveys were undertaken at 14 wetlands across middle Mongolia, consecutively in May, July, and September 2017. A total of 70 Important Bird Areas (IBAs) were identified in Mongolia; among these IBAs, 44 sites (68%) were based on wetland habitat, including our study sites. In this study, 192 bird species belonging to 94 genera for a total of 132,582 birds from 14 wetlands were recorded. Within total recorded species, 95 species (49.7% of total) of waterbirds belonged to six orders and accounted for 97% of total birds counted. Nine globally threatened bird (GTB) species were recorded; among these, common pochard (<I>Aythya ferina</I>) and swan geese (<I>Anser cygnoides)</I> were recorded with the greatest abundances 3,296 and 3,260, respectively. More livestock overgrazing and prolonged drought were natural phenomena recorded as crucial threats to the birds at the study sites. Our findings highlight the need for habitat management around estuaries.</P>
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Bird accidents in Southern Mongolia
Onolragchaa Ganbold,Gi-Chang Bing(빙기창),Erdenetushig Purevee,Munkhbaatar Munkhbayar,Won-Suk Choi(최원석),Ariunbold Jargalsaikhan,In-Hwan Paik(백인환),Zoljargal Purevdorj,Namsrai Jargal,Woon-Kee Paek(백운기) 한국조류학회II 2018 한국조류학회지 Vol.25 No.2
몽골의 초원이나 사막과 같은 개방지역에 설치된 송전선로에서 발생하는 조류 감전사고는 매우 흔하게 보고되고 있다. 본 연구는 조류피해조사를 위해 2017년 몽골 남부지역의 준사막 지역에 설치된 15-kV의 송전선로에 4월, 7월, 9월 등 총 3회에 걸쳐 조사를 실시하였다. 전체 250개의 전신주 구간에서 총 12종 45개체의 감전사한 조류를 확인하였다(10㎞마다 1.12% 사망률). 주요 감전 피해 조류는 멸종위기종인 Falco cherrug (n=11)와 Milvus migrans (n=11)로 나타났다. 본 연구지역과 같이 개방된 환경에서의 조류를 위한 잠자리 또는 휴식처의 부족은 보다 많은 조류의 감전사고를 발생시킬 수 있으며, 특히 몽골의 다른 개방지역에서도 발생할 수 있다. 사고현장에서 종동정이 어려운 개체의 경우, 시료의 유전자 증폭 등을 통해 DNA 분석을 실시하여 동정하였다. 본 연구결과 몽골의 개방지역에서 조류의 감전사고는 조류에게 발생하는 위험요소 중 높은 비율을 차지하고 있는 것으로 확인되었으며, 특히 맹금류에게 빈번하며, 간헐적으로 이동철새에게도 일어나고 있는 것으로 확인되었다. 개방된 지역일 경우 조류의 감전사고가 더 잘 발생할 수 있으며, 감전사고와 같은 조류의 위험요소를 보다 잘 이해하는 것은 멸종위기종과 같은 종보전에 기여할 수 있을 것으로 판단된다. Bird electrocution on contact with electricity lines is well reported and is quite common in Mongolian open areas. We visited 15-kV electricity distribution pole lines in a Southern Mongolian semi-desert region three times in 2017, in April, July, and September, to assess their risks to birds. The carcasses of 45 electrocuted birds representing 12 species were identified from 250 poles (overall mortality rate of 1.12% every 10 km). The majority of these electrocuted birds were endangered Saker Falcon (n=11) and common Black Kite (n=11). The lacks of roosting or perching sites in our study sites (indeed other open areas in Mongolia) may resulted for such high rate bird electrocution. A 751-base pair (bp) cytochrome c oxidase I (COI) gene was amplified for DNA sequence-based identification of carcasses that were difficult to identify directly. Our findings revealed the high electrocution risk for birds in Mongolian open areas, especially for the birds of prey, with relatively low-efficiency electrocution mitigation approaches. The findings also indicate that there is a need for better understanding of the risk of bird electrocution, particularly in the open areas. This will contribute to the conservation of endangered species.
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