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Lee, Don-Koo,Park, Yeong-Dae,Batkhuu, Nyam-Osor Korea Association For Quaternary Research 2003 제사기학회지 Vol.17 No.2
This study was conducted to examine the water use efficiency (WUE) in five species of one-year-old seedlings grown in a field nursery in Mongolia. Larix sibirica and Pinus sylvestris are the most dominant coniferous species while Ulmus pumila is an important deciduous species known well-adapted in harsh conditions such as in semi-arid forests and Gobi desert regions. Caragana arborescens (Siberian pea shrub) and Hippophae rhamnoides are N-fixing shrubs in Mongolia. Thirty one-year-old seedlings were sampled from each of the five species (a total of 150 samples) and measured for net photosynthetic rate (Pn) and transpiration rate (E). The Pn and E were used to calculate and compare the WUE of each species. Pn differed significantly among the five species (p < 0.05). However, there was no significant difference in Pn between L. sibirica and H. rhamnoides (p > 0.05). C. arborescens showed the highest Pn whereas U. pumila did the poorest. E differed significantly among the five species (p < 0.05). L. sibirica and U. pumila showed considerably lower E than other species. Thus, WUE values of coniferous species such as L. sibirica and P. sylvestris were significantly greater than deciduous or shrub species such as U. pumila, C. arborescens and H. rhamnoides (p < 0.01). It may result that conifers showed relatively high water use efficiency than deciduous or shrub trees due to their lower transpiration rates, which resulted in morphological and physiological characteristics of their leaves. This may indicate that L. sibirica and P. sylvestris can be widely used for rehabilitation works in Mongolia attributed to their dominant distributions but also their high drought-resistance properties.
State of Forests and Biodiversity Conservation in Primorsky Krai, Russian Far East
Yuri Ivanovich Man'ko,이돈구,강호상,Batkhuu Nyam-Osor 한국산림과학회 2004 한국산림과학회지 Vol.93 No.6
The vegetation and species composition of Primorsky Krai located in Russian Far East are very similar to those in the Korean Peninsula and Northeastern part of China. The forests in Zapovednik(a strictly protected federal nature reserve) are unique old-growth forests without human disturbances for more than 500 years. The objectives of this study were to identify the forest resources and to suggest strategies for conservation of biodiversity and sustainable forest ecosystem management in Primorsky Krai. The total forestland comprises 11,833.3 thousand ha and is classified into 3 botanical-geographical zones; coniferous forest, coniferous-broadleaved mixed forest and forest-steppe. The total stock volume is estimated at 1,752 million m3, of which 66% are made up of conifers such as Picea jezoensis, Abies nephrolepis, Pinus koraiensis and Larix species. The flora contains 2,589 vascular plants and the forest plays important roles in the distribution and conservation of wildlife. The strategies for biodiversity conservation are as follows: 1) To conserve endemic and rare species of plant and wildlife with special protection, 2) To preserve the unique and original forest ecosystem without any industrial and human activities, and 3) To develop the sustainable uses and management of forest resources. The cooperative researches among Northeast Asian countries shall provide more detailed information not only on species distribution but on its biological and ecological characteristics.
Contribution to the knowledge on the flora of Munkhkhairkhan mountain area, Mongolia
Oyuntsetseg Batlai,Baasanmunkh Shukherdorj,Oyundelger Khurelpurev,Munkhzul Oyunbileg,김재영,조형준,Batkhuu Nyam-Osor,정규영,최혁재 국립중앙과학관 2017 Journal of Asia-Pacific Biodiversity Vol.10 No.4
The Munkhkhairkhan mountain area is a unique highland ecosystem with a diverse regional alpine flora. This mountain habitat is located at the overlap of different floristic regions: on its western side Kazakhstan–Turan flora is dominating, and on the eastern side East Asian flora is observed. It is known that the whole area has a large number of endemics and rare plant species, because of its specific, harsh habitat conditions. Therefore, the flora of different habitats in the Munkhkhairkhan mountain needs to be investigated and properly protected. Munkhkhairkhan National Park has been founded in 2006, and our survey concentrated on the protected area as well as the surrounding areas of the mountains. All recorded species in this study were based on the collected voucher specimens. Conservation status for remarkable species was also reviewed based on the literature. As a result, we recorded 40 families, 150 genera, and 267 species of vascular plants, including four endemic and 34 subendemic species and 15 species' new distribution notes. Around the Munkhkhairkhan mountain, 16 very rare, 21 rare, eight endangered, and two near threatened species are growing, indicating the high conservation value of this area and the necessity for research.
Contribution to the knowledge on the flora of northern Mongolia
Shukherdorj Baasanmunkh,Batlai Oyuntsetseg,Khurelpurev Oyundelger,Khurelbaatar Khaliunaa,Magsar Urgamal,Nyam-Osor Batkhuu,Takashi shiga,정규영,최혁재 국립중앙과학관 2019 Journal of Asia-Pacific Biodiversity Vol.12 No.4
Field surveys were conducted in the northern part of Mongolia in 2017 and 2018. Vascular plants floristicdata are based on collections from the study area, and more than 800 new collections are made in thisstudy. In total, 289 taxa (8 subspecies and 6 variates) were identified, representing 173 genera from 60families of vascular plants. The families most diverse in species were Rosaceae with 28 taxa, followed byRanunculaceae (25 taxa), Asteraceae (19 taxa), and Fabaceae (19 taxa). The largest genera were Salix with11 species, followed by Viola (9 species) and Carex (9 species). Thirty-seven taxa are newly recorded forMongolian Dauria (8), Khangai (8), Khentei (4) and Khuvsgul (17) regions. Several threatened specieswere found in the field area. We provide photographs and distribution maps for species of Cypripedium(C. calceolus L., C. guttatum Sw., C. macranthos Sw., and C. ventricosum Sw.). In addition, Campanula cervicariawas newly recorded for the flora of Mongolia.