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Assessing forest structure and composition along the altitudinal gradient in the state of Sikkim, Eastern Himalayas, India

Bhutia, Y.; Gudasalamani, R.; Ganesan, R.; Saha, Somidh

Abstract:
Understanding the structure and composition of native forests is a prerequisite in developing an adaptive forest management plan for Himalayan forest ecosystems where climate change is rapid. However, basic information on forest structure and composition are still limited in many places of the Eastern Himalayas. In this study, we aimed to understand the diversity, structure, and composition of forests and their variations along an altitudinal gradient in Himalayan forests. The study was conducted in the Indian federal state of Sikkim, Eastern Himalayas. We carried out a comprehensive and comparative evaluation of species diversity, stand basal area, and stem density along the altitudinal gradient from 900 m a.s.l. to 3200 m a.s.l. We used stratified random sampling to survey eighty-three plots each 0.1 ha in forest communities that occurred along the altitudinal gradient: (a) lower (900–1700 m) altitude forest (N = 24), (b) mid (1700–2500 m) altitude forests (N = 37), and (c) higher (2500–3200 m)altitude forests (N = 22). We measured and identified all living trees with a >3 cm diameter at breast height in each plot. We counted 10,344 individual plants, representing 114 woody species belonging to 42 families and 75 genera. ... mehr

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Verlagsausgabe §
DOI: 10.5445/IR/1000098151
Veröffentlicht am 10.09.2019
Coverbild
Zugehörige Institution(en) am KIT Institut für Technikfolgenabschätzung und Systemanalyse (ITAS)
Publikationstyp Zeitschriftenaufsatz
Jahr 2019
Sprache Englisch
Identifikator ISSN: 1999-4907
KITopen-ID: 1000098151
Erschienen in Forests
Band 10
Heft 8
Seiten Art.-Nr.: 633
Schlagworte Eastern Himalaya; Sikkim; species diversity; size class distribution; uneven-aged forests
Nachgewiesen in Web of Science
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