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Maiti, G. G.
- Diversity of Vascular Plants of Kanchenjunga Biosphere Reserve, Sikkim and its Conservation
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Indian Forester, Vol 135, No 10 (2009), Pagination: 1416-1436Abstract
Kanchenjunga Biosphere Reserve (KBR), the virgin pockets of the forests, in the Sikkim Himalaya, was known earlier as National Park since 1977 covering 1,784 km2. It is now increased to 2619.92 km2 and declared as biosphere reserve in 2000 (7th February) to conserve the unique biodiversity of the area. It lies between 27°15'-27°57' North latitude and 88°02'-88°40' East longitude. The core zone is 1784 km2 and the biffer zone is 835.92 km2 under four sectors as Buffer Zone I-IV. The vascular plant diversity of KBR is remarkable having 1580 vascular plants distributed as pteridophytes, gymnosperms and angiosperms 106, 11 and 1,463 species respectively. As a result of the last six years study 6 new taxa have been described, two species discovered as new record, one for the state and one for the country and two new combinations have been made based on the collected specimens from the reserve. Floristically it belongs to temperate and alpine forest, then subtropical enriched with major components of herbs then shrubs and trees. This reserve has 22 endemic and 22 rare and threatened plants besides large number of horticultural elements. The other important accounts are 8 major timber yielding plants; 104 ethnomedicinal interest; 45 edible; 25 fodder; 6 dye yielding; 8 fiber yielding; 8 poisonous; 4 used as source of aromatic odour.Keywords
Kanchenjunga Biosphere Reserve, Vascular Plant Diversity, Conservation- Barsey Rhododendron Sanctuary, Sikkim - a Remote Sensing Approach
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Indian Forester, Vol 132, No 8 (2006), Pagination: 971-979Abstract
Barsey Rhododendron Sanctuary (BRS) was notified in 1998 by the Govt. of India specially to conserve the genetic diversity of Rhododendron species, situated within Sikkim Himalayas. The present study is an approach towards the presentation of geo-physical consequences as well as major floristic components. Total 11 maps and respective tables have been used specially to analyse the forest types, forest density, soil types, altitude, slope aspect etc. and to characterize the sanctuary. This sanctuary is still with maximum coverage of broad-leaved forests, but simultaneously soil erosion is moderate to high. BRS is a habitat to 30% (10 out of 37 speies) of Rhododendron at present known to Sikkim Himalaya. The study highlights the capability of remote sensing techniques for future planning, conservation and forest management.- Taxonomic Account of the Indian Populus L. (Salicaceae Mirb.) With Special Emphasis on their Distribution and Identification
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Indian Forester, Vol 137, No 7 (2011), Pagination: 872-876Abstract
The genus Populus L., belongs to the family Salicaceae Mirb. having 35 species of worldwide distribution. In India, total 8 taxa are known mainly distributed throughout the Himalayas. Species like P. alba L., P. balsamifera L., P. deltoides Bartram ex Marshall, P. euphratica Olivo and P. nigra L. var. italica Du Roi are confined to the north-western parts of India while P. gamblei Dode and P. glauca Haines are found in the north-eastern parts. P. ciliata Wall. ex Royle is the most common species found both in the eastern as well as western Himalayas. Nature of the axillary buds and the terminal buds, number of valves in the capsules are the useful characters for identification of these species but one of the most important feature is the leaf character through which one can easily identify the species in the field as well as while the species are in non-floriferous condition. The distribution pattern with two maps of these 8 species is discussed. An artificial key is provided along with illustrations of leaf characters for easy identity.Keywords
Populus L., India, Distribution, Identification, Leaf Characters- A New Species of Aconogonum (Polygonaceae) from Eastern Himalaya
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Authors
G. D. Pal
1,
G. G. Maiti
2
Affiliations
1 Botanical Survey of India, Itanagar, IN
2 Departmentof Botany, Kalyani University, Kalyani, IN
1 Botanical Survey of India, Itanagar, IN
2 Departmentof Botany, Kalyani University, Kalyani, IN
Source
Nelumbo - The Bulletin of the Botanical Survey of India, Vol 26, No 1-2 (1984), Pagination: 95-96Abstract
No Abstract.- Impatiens Scitula Hook F.-a New Record for India
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Affiliations
1 Botanical Survey of India, Howrah, IN
1 Botanical Survey of India, Howrah, IN