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Lyngdoh, N.
- loristic Diversity Assessment of Nokrek Biosphere Reserve, Meghalaya
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Authors
D. M. Sangma
1,
N. Lyngdoh
1
Affiliations
1 Department of Botany, North Eastern Hill University, Shillong, IN
1 Department of Botany, North Eastern Hill University, Shillong, IN
Source
Indian Forester, Vol 140, No 10 (2014), Pagination: 1023-1031Abstract
Vegetation assessment of the forest ecosystem of Nokrek Biosphere Reserve was carried out at 4 sites (2 in the core and 2 in the buffer region) of the reserve to provide baseline information on the biodiversity status of the biosphere. A total of 146 species were recorded from the four study sites, out of which 68 were trees, 35 shrubs and 44 herb species. Sites at the buffer zone had higher number of plant species and plant density compared to those in the core region. Tree density across sites ranged from 1020 to 1320 individuals per ha. Highest IVI was obtained for Syzygium syzygoides and Duabanga grandiflora for sites in the buffer region while Syzygium operculatum and Actinodaphne oboata dominated the core zones. Herb and shrub layer density was found to be high in areas with intermediate disturbance and open canopy cover.Keywords
Biosphere, Core, Buffer, Shannon Index
- A Computer Programme for Identification of Teak Clones
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Authors
Affiliations
1 College of Horticulture and Forestry, Central Agricultural University, Pasighat, Arunachal Pradesh, IN
2 Dept. of Forest Biology and Tree Improvement, College of Forestry, Sirsi, Uttar Kanada District, IN
1 College of Horticulture and Forestry, Central Agricultural University, Pasighat, Arunachal Pradesh, IN
2 Dept. of Forest Biology and Tree Improvement, College of Forestry, Sirsi, Uttar Kanada District, IN
Source
Indian Forester, Vol 141, No 3 (2015), Pagination: 344-346Abstract
No Abstract.- Loranthus Ligustrinus - a Causal Factor for Khasi Mandarin (Citrus reticulata Balnco.) Decline in Arunachal Pradesh
Abstract Views :398 |
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Authors
Affiliations
1 Department of Fruit Science, College of Horticulture and Forestry, Central Agricultural University, Pasighat (Arunachal Pradesh), IN
2 Department of Floriculture, Medicinal and Aromatic Plants, College of Horticulture and Forestry, Central Agricultural University, Pasighat (Arunachal Pradesh), IN
3 Department of Tree Improvements, College of Horticulture and Forestry, Central Agricultural University, Pasighat (Arunachal Pradesh), IN
4 College of Horticulture and Forestry, Central Agricultural University, Pasighat (Arunachal Pradesh), IN
1 Department of Fruit Science, College of Horticulture and Forestry, Central Agricultural University, Pasighat (Arunachal Pradesh), IN
2 Department of Floriculture, Medicinal and Aromatic Plants, College of Horticulture and Forestry, Central Agricultural University, Pasighat (Arunachal Pradesh), IN
3 Department of Tree Improvements, College of Horticulture and Forestry, Central Agricultural University, Pasighat (Arunachal Pradesh), IN
4 College of Horticulture and Forestry, Central Agricultural University, Pasighat (Arunachal Pradesh), IN
Source
The Asian Journal of Horticulture, Vol 11, No 2 (2016), Pagination: 368-372Abstract
A survey was conducted in the East Siang district of Arunachal Pradesh, India during the period 2013-2014 for the identification of Loranthus species infesting the Khasi mandarin orchards in this region. Study on its habit, mode of seed dispersion, host plants, its life cycle and its management in different sites of East Siang district was conducted. It is identified that the Loranthus species as Helixanthera ligustrina (Loranthus ligustrinus) which flowers during the month of April - May and the seed dispersal is mainly done by two birds viz., Plain flowerpecker and Fire breasted flowerpecker in June-July period. The study also revealed that it is one of the main problems causing Khasi mandarin decline by lowering down its yield and productivity and finally killed the plant after 4-5 years of infestation. This parasitic weed is slowly spreading to other nearby orchards and needs emergency attention for the citrus grower.
Keywords
Helixanthera Ligustrina, Khasi Mandarin, Host Plants, Flowerpecker.- Structure and Genetic Variability of New Populations of Amentotaxus assamica in the Eastern Himalaya, India
Abstract Views :387 |
PDF Views:124
Authors
Affiliations
1 Department of Tree Improvement, College of Horticulture and Forestry, Central Agricultural University, Pasighat 791 102, IN
2 ATREE, Royal Enclave, Sriramapura, Jakkur Post, Bengaluru 560 064, IN
3 Botanical Survey of India, Kolkata 700 064, IN
4 College of Horticulture and Forestry, Rani Lakshmi Bai Central Agricultural University, Jhansi 284 003, IN
1 Department of Tree Improvement, College of Horticulture and Forestry, Central Agricultural University, Pasighat 791 102, IN
2 ATREE, Royal Enclave, Sriramapura, Jakkur Post, Bengaluru 560 064, IN
3 Botanical Survey of India, Kolkata 700 064, IN
4 College of Horticulture and Forestry, Rani Lakshmi Bai Central Agricultural University, Jhansi 284 003, IN
Source
Current Science, Vol 118, No 8 (2020), Pagination: 1161-1162Abstract
Amentotaxus assamica D.K. Ferguson (common name: Chinese yew) belongs to the gymnospermic family Taxaceae. It is one of the two members of this family found in India, the other being Taxus wallichiana. Amentotaxus is a tall dioecious tree reaching a height of 20 m with horizontal or drooping branches. It is confined to small pockets in the Eastern Himalaya, specifically in Arunachal Pradesh, India. The tree finds usage for making pillars and posts in house construction. Following the ‘critically endangered’ status assigned to the species by the Conservation Assessment and Management Prioritization (CAMP) workshop (February 2003), attempts have been made to locate and assess its population status. Gajurel et al.1 recorded 22 individuals along with five saplings and two seedlings from Mithumna, Dalai Valley, Arunachal Pradesh, the site from where the plant was first reported by F. Kingdom War in 1928. Das et al.2 reported a fairly large population at Turoo forest, Sagalee subdivision, Pampum Pare district, Arunachal Pradesh, having tree density of 40 individuals/ha.Full Text
References
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