Valerie Braun – Martin Coy – Günter Köck (Eds.)
eco.mont
Journal on Protected Mountain Areas Research and Management
Huiying Xue,
Da Qing Luo,
Bu Duo,
Qing Xue,
Xing Le Qu,
Wen Wen Guo
S. 37 - 47
doi:
10.1553/eco.mont-14-2s37
Verlag der Österreichischen Akademie der Wissenschaften
doi:
10.1553/eco.mont-14-2s37
Abstract:
The diversity and community structure of soil nematodes around Lake Paiku in Mount Qomolangma (Mt. Everst) National Nature Reserve were investigated, to obtain soil ecosystem information, assess local soil quality, and provide the basis for environmental protection. Twelve plots were selected for typical vegetation communities around the lake. Within each plot, soil samples were collected from depths of 0 to 25 cm. The Baermann tray method was used to extract nematodes. Overall, we acquired 2,272 nematodes belonging to 2 classes, 5 orders, 32 families and 48 genera. The nematode density was 0–413 individuals per 100 g dry soil (average 109). Bacterivores, predators and omnivores were the dominant trophic groups. The individual density and genus numbers of soil nematodes were highest in the northeast and southeast corners of the lake. For most of the area studied, soil nutrients were at a medium level and there was no human disturbance. The energy flow of the soil food web tends to be via fungus decomposition channels. The redundancy analysis shows that soil-available P, pH, alkali-hydrolytic N, and soil-available K have strong effects on the soil nematode community, whereas the soil’s total N, organic matter and water content have only minor effects. Soil-available P and pH were negatively correlated with nematode diversity. Soil nematodes showed surface aggregation; the soil food webs tend to have complex structures because of the presence of K-strategist organisms; the lakeshore ecosystem is in the late stage of succession and relatively stable. The increasing amount of soil-available P and increasing pH value corresponded to reduced biodiversity and unstable soil nematode communities. A greater diversity of nematodes were found in the Lake Paiku region in comparison to studies carried out in alpine meadows of the Chang Tang (or Northern Tibet) Grasslands.
biodiversity, soil food web, Mt. Everest, nature reserve
Published Online:
2022/06/22 09:33:32
Object Identifier:
0xc1aa5576 0x003d81c2
Rights:https://creativecommons.org/licenses/by-nc-nd/4.0/
The journal “eco.mont” – Journal of protected mountain areas research and management – was published for the first time in June 2009.
The journal was founded as a joint initiative of the Alpine Network of Protected Areas (ALPARC), the International Scientific Committee on Research in the Alps (ISCAR), the Austrian Academy of Sciences (ÖAW) and the University of Innsbruck.
The journal aims to highlight research on and management issues in protected areas in the Alps without excluding other protected mountain areas in Europe or overseas. Its target audiences are scientists from all related disciplines, managers of protected areas and interested individuals including practitioners, visitors, teachers, etc.
The journal presents peer-reviewed articles in English by authors who research protected mountain areas and management issues within these areas. It's published twice a year as a collaboration of the Austrian Academy of Sciences Press – responsible for the e-version – and Innsbruck University Press – responsible for the print version.
Die Zeitschrift „eco.mont“ – Zeitschrift zur Forschung in Gebirgsschutzgebieten – erschien im Juni 2009 zum ersten Mal. Die Zeitschrift wurde auf Initiative des Netzwerks Alpiner Schutzgebiete (ALPARC), der Schweizer Akademie der Naturwissenschaften (ISCAR), der Österreichischen Akademie der Wissenschaften (ÖAW) und der Universität Innsbruck gegründet. Sie hat das Ziel, Themen zu behandeln, die gleichzeitig Forschung und Verwaltung in und über die Schutzgebiete der Alpen betreffen, ohne dabei andere Gebirgsschutzgebiete Europas oder anderswo auszuschließen. Diese neue Zeitschrift richtet sich an ein Publikum von Wissenschaftlern der verschiedensten Fachbereiche, an die Verwalter von Schutzgebieten und an alle sonstigen Interessierten, Praktiker, Besucher, Lehrpersonal etc. einbegriffen. Die Zeitschrift veröffentlicht begutachtete Beiträge auf Englisch von Autoren, die Fragen der Gebirgsschutzgebiete und deren Verwaltung betreffen. Sie erscheint zweimal pro Jahr, auf der Basis der gemeinsamen Anstrengungen des Verlags der Österreichischen Akademie der Wissenschaften, der für die digitale Fassung verantwortlich ist, und der Presse der Universität Innsbruck, verantwortlich für die gedruckte Fassung.
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