منابع مشابه
ENVIRONMENTAL AUDITING Gaining Forests But Losing Ground: A GIS Evaluation in a Himalayan Watershed
SUSANNE WYMANN Institute of Geography University of Bern 12 Hallerstrasse 3012 Bern; Switzerland ABSTRACT/GIS overlay techniques were used to provide a quantitative historic documentation of deforestation and land-use dynamics in the Middle Mountains of Nepal between 1947 and 1990. Deforestation was most critical in the 1960s, but active afforestation programs in the 1980s. have reversed the pr...
متن کاملSacred forests are keystone structures for forest bird conservation in southwest China’s Himalayan Mountains
0006-3207/$ see front matter 2013 Elsevier Ltd. All rights reserved. http://dx.doi.org/10.1016/j.biocon.2013.06.014 ⇑ Corresponding author at: School of Natural Resources and Environment, University of Michigan, Ann Arbor, MI, United States. Tel.: +1 (734) 764 9542. E-mail addresses: [email protected] (J.S. Brandt), [email protected] (E.M. Wood), [email protected] (A.M. Pidgeon), lianxian.han@gma...
متن کاملCYTOTAXONOMIC STUDIES IN WEST HIMALAYAN BRYACEAE (MUSCI)
The meiotic chromosomes of 10 species (Pohlia elongata, Anomobryum cymbifolium, Brachymenium acuminatum, B. ochianum, B. sikkimense, Bryum cellulare, B. pseudotriquetrum, B. apiculatum, B. capillare and B. atrovirense), in four genera of the family Bryaceae of acrocarpous mosses are studied with special emphasis on their evolution, polyploidy and cytological features with reference to interrela...
متن کاملDeep phylogeographic divergence of a migratory passerine in Sino-Himalayan and Siberian forests: the Red-flanked Bluetail (Tarsiger cyanurus) complex
Enormous mountainous forests in Sino-Himalayans and Siberia harbor important avian biodiversity in the Northern Hemisphere. Numerous studies in last two decades have been contributed to systematics and taxonomy of passerines birds in these regions and have revealed various and complex phylogeographic patterns. A passerine species Red-flanked Bluetail Tarsiger cyanurus provided a good system to ...
متن کاملReconsidering Himalayan river anticlines
The observation that major Himalayan rivers flow parallel to and down the axis of anticlines oriented transverse to the primary structural grain of the range has puzzled geomorphologists for decades. Although there is a general consensus that the courses of trans-Himalayan rivers predate the Himalayan orogeny, the close association of rivers and structural highs would not be expected to result ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Journal of Ecology
سال: 1913
ISSN: 0022-0477
DOI: 10.2307/2255690