This paper focuses on the ecological status and diversity indices: Simson’s Index (C), Simson’s Index of Dominance (D) and Shannon-Weaver Index (H) of Dactylorhiza hatagirea and its associates- Rheum australe and Rumex nepalensis in Lete village of Mustang District within the Annapurna Conservation Area. The study was conducted during the monsoon season (June/July) of 2013 in the Lete VDC of Mustang District. The study site possessed an area of 4.5 ha. Altogether, 100 circular plots, each with 25 m2 area, were laid out purposively within the study area; the sampling intensity being 5.55%. The relative frequency, the relative density, the abundance, the relative coverage and the Important Value Index of the species were found to be 61.11, 53.91, 1,061.54, 72.2 and 187.24 respectively. Similarly, the Simson’s Index (C), the Simson’s Index of Dominance (D) and the Shannon-Weaver Index of the species were found to be 0.41, 0.59 and 3.27 respectively, indicating relatively even and relatively diverse community. The study showed relatively higher values of all the parameters of D. hatagirea as compared to its associates indicating good ecological value. However, threats remain due to the illegal harvesting of this valuable orchid and overgrazing in the study site.Banko JanakariA Journal of Forestry Information for NepalVol. 26, No. 1, Page: 45-52, 2016
In order to monitor the woody biomass yield 241 permanent sample plots wereestablished in four forests (total 2017 ha) across three physiographic regionsof Nepal. Tree species identification, tree positioning and diameter at breastheight (DBH) for all trees and height for a sample of trees were measured in2005 and 2010. Results presented are density and volume by forest, speciesand diameter class in 2010 and the species-wise increment between 2005and 2010 by forest. Standing volumes were between 134 and 311 m3ha-1, andannual volume increment was 2.5-7.6 m3ha-1. These plots may be utilized forfuture research, teaching and for local planning purposes.DOI: http://dx.doi.org/10.3126/banko.v22i2.9194Banko Janakari: A Journal of Forestry Information for NepalVol. 22, No. 2, 2012 NovemberPage: 11-18Uploaded date: 12/1/2013
Climate change is now recognized as one of the most serious challenges facing the world– its people, the environment and its economies. Rural people are more vulnerable to the effects of climate change due to its high dependence on climate-sensitive sectors like glaciers, agriculture and forestry, and its low financial adaptive capacity. This study was carried out with the aim of assessing and documenting vulnerability and adaptation strategies of forest-dependent people to climate change effects in Mid-hills of Nepal. Primary data were collected from household survey, interview with key informants, and focused group discussion. The results showed that the average annual rainfall was decreasing at the rate of 18.02 mm whereas the average annual mean temperature was increasing at the rate of 0.07°c per year. The major climatic hazards, of the study area, identified were long drought and landslide. The chi-square test shows that the poor forest-dependent people are more vulnerable to long drought, landslide and floods as compared to the rich rural people. Indigenous adaptation practices such as cultivation of vegetables and other crops that are less susceptible to droughts, and rearing of hybrid-varieties of livestock are mostly used to cope with climate change impacts. The results indicate that 15% of the respondents have changed their cropping pattern from paddy to off-seasonal vegetables crops because of more income from vegetable farming. Raising awareness and sharing information as well as increasing income from farming among the locals by applying new technologies should be done in order to build their capacity to cope with climate change impact.Banko Janakari, A Journal of Forestry Information for NepalVol. 25, No. 1Page: 55-62
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