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Effect of management practice and age on increment in Pinus patula plantations in Nepal 管理方式和树龄对尼泊尔带松人工林生长的影响
Banko janakari Pub Date : 2018-07-17 DOI: 10.3126/BANKO.V27I3.20539
S. Dangal, A. Das
{"title":"Effect of management practice and age on increment in Pinus patula plantations in Nepal","authors":"S. Dangal, A. Das","doi":"10.3126/BANKO.V27I3.20539","DOIUrl":"https://doi.org/10.3126/BANKO.V27I3.20539","url":null,"abstract":"With the large-scale plantation commenced in the early 1980s, nearly 370,000 hectares of plantations have been successfully established in Nepal. More than 26 thousand hectares (ha) of plantations have been established since late seventies in Sindhupalchok and Kavrepalanchok districts and are handed over to communities as community forests. Pinus roxburghii and Pinus patula are the dominant species of these plantations aiming to maximize biomass productions and restore greenery in degraded hills. The growth rate Pinus patula was estimated 15 m³ ha-1 yr-1 in 1995 which but reduced to 7 m³ ha-1 yr-1 in 2011. As P. patula is an exotic species to Nepal, knowledge on effect of age and management practices on increment was limited in Nepal as well as in the regions. This is hindering in implementations of appropriate   silviculture by the forest managers. To fill this knowledge gap, primary data were collected taking sample cores from 120 trees in 2015 from four community forests of Chaubas ridge of Kavrepalanchok district for dendrochronological assessment. Among these four community forests, two followed improved management practices and two followed conventional management practices. To substantiate the data, secondary data of similar studies were used. Dendrochronological assessment taking sample cores of 120 and 80 were conducted in 2000 and 2005 respectively in plantations, managed by community forest users groups, carried out between 1975 AD and 1990 AD in Chaubas ridge of Kavrepalanchok districts. The study found that the growth rate decreased after 12 years and this rate was bigger in the higher density class. The cumulative increment was higher in the lower density class but was found to have retarded rapidly after 15–17 years of age in the higher density class as well as in the conventionally managed plantations. The study recommends conducting planned thinning from the early age of 10–12 years while the final felling is recommended to be executed at the age of 30±5 years for P. patula to maximize volume production. However, most of the plantations have crossed its rotation age, growth rate has been stagnated and there is slim scope of increment from further thinning. In such case, as natural regeneration of the same species is observed encouraging, the study suggest to keep 10–15 seed trees and harvest the remaining. Banko JanakariA Journal of Forestry Information for Nepal Special Issue No. 4, 2018, Page : 27-37","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3126/BANKO.V27I3.20539","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41912505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Linking silvicultural aspects of pro-poor leasehold forestry for socio-economic benefits to the poor and vulnerable communities 将有利于穷人的租赁林业的造林方面与穷人和脆弱社区的社会经济利益联系起来
Banko janakari Pub Date : 2018-07-17 DOI: 10.3126/BANKO.V27I3.20556
K. Yadav, G. Kafley, K. Yadav
{"title":"Linking silvicultural aspects of pro-poor leasehold forestry for socio-economic benefits to the poor and vulnerable communities","authors":"K. Yadav, G. Kafley, K. Yadav","doi":"10.3126/BANKO.V27I3.20556","DOIUrl":"https://doi.org/10.3126/BANKO.V27I3.20556","url":null,"abstract":"Government of Nepal has adopted different models like community forestry, leasehold forestry, collaborative forestry, buffer zone community forestry and public land agroforestry for management of forest resources. Poor focused leasehold forestry is only the approach adopted since early 1990 that has two major objectives: livelihood improvement and environmental conservation. Forest user groups of 5–15 households (HHs) are provided with part of national forests for a period of initial lease of 40 years. Leased forests are managed mainly with forestry crops, forage and non-timber forest products (NTFPs) to meet the dual objectives. Past studies and researches have indicated that leasehold forests are better than the hand over time however they are inadequate in dealing with silvicultural aspects in leasehold forestry (LF). This research paper has highlighted the significance of silvicultural aspects of leasehold forestry for overall socio-economic benefits to the poor and vulnerable forest users. Review of the existing policy and legal documents, studies and progress reports of the leasehold forestry projects implemented during the last two decades, consultation with leasehold forest user groups from five districts (Tehrathum, Makawanpur, Tanahun, Pyuthan and Doti) formed the main source of data for this article. Further, author’s own experiences in the sector were taken as supporting reliable information for the study. The study found that silvicultural practices, except plantations and weeding, were not adopted in leasehold forest but there was great potential for such practices to maximize the socio-economic benefits. Proper use of silvicultural practices might have increased contribution to currently realized benefits like (i) increased income of members i.e. poorest families (having less than 3 months secured foods) were reduced over years, (ii) group members had increased access to different networks and cooperatives, (iii) participation of women, poor and indigenous people increased in the decision-making process, and (iv) forest coverage was increased with respect to the hand over time. Some issues on silviculture aspects included proper guidelines for silvicultural methods, capacity of staff and leasehold forest user group members, smaller sizes of leasehold forests, and promotion of appropriate species. Banko JanakariA Journal of Forestry Information for Nepal Special Issue No. 4, 2018, Page: 113-119 ","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3126/BANKO.V27I3.20556","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47619322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The pertinent role of forest inventory in making choice of silvicultural operations in community forests of Nepal 森林清查在尼泊尔社区森林造林作业选择中的相关作用
Banko janakari Pub Date : 2018-07-17 DOI: 10.3126/BANKO.V27I3.20543
S. Baral, H. Vacik, Bir Bahadur Khanal Chhetri, K. Gauli
{"title":"The pertinent role of forest inventory in making choice of silvicultural operations in community forests of Nepal","authors":"S. Baral, H. Vacik, Bir Bahadur Khanal Chhetri, K. Gauli","doi":"10.3126/BANKO.V27I3.20543","DOIUrl":"https://doi.org/10.3126/BANKO.V27I3.20543","url":null,"abstract":"This paper explores the application of forest inventory to design silvicultural operations and its implementation to community forests. Four-time series forest inventory data (2005, 2010, 2013 and 2016) of Terai community forests were analysed, focusing on the type and size of tree removals from the forests. In addition, content analysis of the management plans of the forests was carried out and consultations were held with key informants. Though the forest inventory was prepared during the preparation of management plans, the results did not provide proper guidance on the selection of silvicultural operations, which were decided without a clear definition of the management objectives. They were very generic and largely ignored site-specific forest stand conditions. Most commonly practised silvicultural operations were cleaning and selective harvesting, which were similar for all forest blocks, though they varied in respect of forest stand conditions. The time series analysis of the inventory data showed that pole-sized trees were consistently removed in all four periods and emphasis was on extracting good quality trees without considering its effects on the stand. The study concludes that the current forest inventory is not very relevant in making a choice about silvicultural operations and the current practices might cause economic and ecological losses. Hence, we argued for identifying minimum forest management requirement necessary for the sustainable forest management that the silvicultural operations should be decided based on the management objectives and conditions of the forest, considering the ecological and economic value of the forest. Banko JanakariA Journal of Forestry Information for Nepal Special Issue No. 4, 2018, Page : 65-75","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3126/BANKO.V27I3.20543","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46322721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Variation in structure and composition of two pine forests in Kailash Sacred Landscape, Nepal 尼泊尔冈仁波齐圣地两种松林结构和组成的变化
Banko janakari Pub Date : 2018-05-26 DOI: 10.3126/BANKO.V28I1.21453
C. K. Subedi, J. Gurung, S. K. Ghimire, N. Chettri, B. Pasakhala, P. Bhandari, R. P. Chaudhary
{"title":"Variation in structure and composition of two pine forests in Kailash Sacred Landscape, Nepal","authors":"C. K. Subedi, J. Gurung, S. K. Ghimire, N. Chettri, B. Pasakhala, P. Bhandari, R. P. Chaudhary","doi":"10.3126/BANKO.V28I1.21453","DOIUrl":"https://doi.org/10.3126/BANKO.V28I1.21453","url":null,"abstract":"Chir pine (Pinus roxburghii Sarg.) and blue pine (Pinus wallichiana A.B. Jacks.) are two common species found in mid-hill forests of Nepal where households largely depend on forest resources for their livelihoods and subsistence. The management of such forests is supported by our understanding of the dynamics in forest structure and species composition and the relationship between different forest community characteristics. This study was designed to determine the variation in species composition and the relationship between various forest community characteristics in two pine forests of Kailash Sacred Landscape, Nepal. Quadrat sampling was applied to collect information on forest species, forest community structure, and disturbance factors.Data was statistically analyzed using IBM SPSS. There were a total of 31 plant species under 28 genera and 20 families in the P. roxburghii forest, and 38 plant species under 37 genera and 19 families in the P. wallichiana forest. Mean DBH, height and canopy diameter of P. roxburghii was 23.98 cm, 12.77 m and 1.97 m, respectively, and that of P. wallichiana was 31.5 cm, 11.48 m and 2.79 m, respectively. The relationship between DBH and both height and crown diameter showed strong relationships in the two forest types. In both  forests, DBH and height class distribution showed a hump-shaped (unimodal type) distribution with a greater proportion of medium-sized individuals that indicated disruptive forest regeneration. Fire and tree cut were significant disturbance factors in P. roxburghii forest, while grazing and trampling were significant in P. wallichiana forest. The extent of these disturbance factors as determinants of regeneration and species recruitment is important to assess for effective forest management. Banko JanakariA Journal of Forestry Information for NepalVol. 28, No. 1, 2018, page: 26-36","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":"28 1","pages":"26-36"},"PeriodicalIF":0.0,"publicationDate":"2018-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49277292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Distribution and preliminary conservation assessments of commonly used forest species in the Nepalese Himalayas 尼泊尔喜马拉雅地区常用森林树种分布及初步保护评价
Banko janakari Pub Date : 2017-11-07 DOI: 10.3126/BANKO.V27I1.18548
B. Adhikari, C. Pendry, I. Måren, K. R. Bhattarai, R. P. Chaudhary
{"title":"Distribution and preliminary conservation assessments of commonly used forest species in the Nepalese Himalayas","authors":"B. Adhikari, C. Pendry, I. Måren, K. R. Bhattarai, R. P. Chaudhary","doi":"10.3126/BANKO.V27I1.18548","DOIUrl":"https://doi.org/10.3126/BANKO.V27I1.18548","url":null,"abstract":"Balancing the trade-offs between biodiversity conservation and ecosystem service delivery is a colossal challenge in the areas of the globe with high productivity and high demand, such as in south Asia. In order to meet this challenge, we need enhanced knowledge of the species constituting these semi-natural systems. This paper reports the country-level preliminary conservation assessments for 153 woody plant species from the Middle Hills in central Nepal based on the IUCN criteria. Distribution maps and threat categories are provided for all species. Ten species are categorized as Near Threatened, two as Endangered and one as Vulnerable. Conservation assessments could not be completed for 24 species because of insufficient distribution data. Banko Janakari, Vol. 27, No. 1, Page: 43-54","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":"27 1","pages":"43-54"},"PeriodicalIF":0.0,"publicationDate":"2017-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3126/BANKO.V27I1.18548","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46792541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Detection, assessment, and updating the maps of encroached forest areas: a case study from Bara district, Nepal 探测、评估和更新被侵占森林地区的地图:尼泊尔巴拉区的一个案例研究
Banko janakari Pub Date : 2017-11-07 DOI: 10.3126/BANKO.V27I1.18554
R. Rimal, R. Maharjan, K. Khanal, S. Koirala, B. Karki, S. Nepal, H. L. Shrestha
{"title":"Detection, assessment, and updating the maps of encroached forest areas: a case study from Bara district, Nepal","authors":"R. Rimal, R. Maharjan, K. Khanal, S. Koirala, B. Karki, S. Nepal, H. L. Shrestha","doi":"10.3126/BANKO.V27I1.18554","DOIUrl":"https://doi.org/10.3126/BANKO.V27I1.18554","url":null,"abstract":"Forest encroachment is an illegal expansion of cultivable land and settlements within the jurisdiction of forests. It has been the key threat to forest management for the last several years in Nepal. The Department of Forests (DoF) is the responsible authority for detection and assessment of forest encroachment throughout the nation and updating the forest maps accordingly. Detection and preparing the updated maps of encroached forest areas is necessary for sustainable management of forests. Traditionally, the extent of forest encroachment is assessed through estimation by the front-line forestry staff. The new approach combines the aerial photographs, the cadastral maps prepared by the Department of Survey and the Google Earth Imagery to spatially locate the encroachment. This method will work as a desktop tool for the forest manager such that appropriate strategic actions can be taken immediately. Additionally, it will bring a transparency on the forest governance to identify the location of areas of interest like point location for forest-based industries or proposed sites for development of infrastructures on the ground. The local communities may use the tool to identify the actual location of the forest boundaries, and exert social pressure to relinquish the encroached forests, if any. The result showed that 8,540 ha of the forest area in Bara district was found to be encroached during the period of last 50 years, between 1964 and 2014, of which 71% (6,038 ha) happened to be encroached in the first three decades, indicating the retarding trend of encroachment in the later years. The methodology used to assess the encroachment of forest in Bara district can be easily scaled up to other districts too, and will eventually help to assess the country’s overall forest encroachment. Since the boundary delineation will be done on the basis of the cadastral maps, the output will be used as a robust evidence to defend the forest-related cased in the court during the legal arbitrations.Banko Janakari, Vol. 27, No. 1, Page: 65-71","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":"27 1","pages":"65-71"},"PeriodicalIF":0.0,"publicationDate":"2017-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46056016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Perceptions of agro-pastoralists towards the change in temperature and precipitation in the trans-Himalayan regions of Nepal 农牧民对尼泊尔跨喜马拉雅地区温度和降水变化的看法
Banko janakari Pub Date : 2017-11-07 DOI: 10.3126/BANKO.V27I1.18546
S. Aryal, S. Ghimire, Y. Dhakal, N. P. Gaire, S. Bhandari
{"title":"Perceptions of agro-pastoralists towards the change in temperature and precipitation in the trans-Himalayan regions of Nepal","authors":"S. Aryal, S. Ghimire, Y. Dhakal, N. P. Gaire, S. Bhandari","doi":"10.3126/BANKO.V27I1.18546","DOIUrl":"https://doi.org/10.3126/BANKO.V27I1.18546","url":null,"abstract":"Climate change has emerged as a global concern despite its differential impacts across geographical, social and economic gradients. Understanding perceptions of local communities towards climate change is important as it advances the knowledge, and is the driver of autonomous adaptation and behavioral responses. The livelihood of the agro-pastoralists in the trans-Himalayan regions of Nepal depends on the natural resources, and is highly sensitive to the change in climatic variables. Although there are indications of pronounced climate change in terms of their important variables in the high-altitude compared to the lowland of Nepal, there is limited information on how communities living in those areas have perceived to the change. Realizing the significance of such information, perceptions of the agro-pastoralists towards the change in climatic variables were studied in the two important high- and trans-Himalayan districts- Dolpa and Mustang. The results of the study revealed that the perceptions of the agro-pastoralists correspond with the increasing trend of temperature and the changing (both increasing and decreasing) trends of precipitation. Moreover, the agro-pastoralists have perceived the decrease in snowfall and reported appearance of new forage and pasture species in rangelands. The findings will be useful to understand about the climate change in the high- and trans-Himalayan region, and to devise adaptation strategies in these areas. Banko Janakari , Vol. 27, No. 1, Page: 21-30","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":"27 1","pages":"21-30"},"PeriodicalIF":0.0,"publicationDate":"2017-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3126/BANKO.V27I1.18546","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47172563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Abundance of snow leopard (Panthera uncia) and its wild prey in Chhekampar VDC, Manaslu Conservation Area, Nepal 尼泊尔马纳斯鲁自然保护区Chhekampar VDC的雪豹(Panthera uncia)及其野生猎物
Banko janakari Pub Date : 2017-11-07 DOI: 10.3126/BANKO.V27I1.18545
B. Devkota, Thakur Silwal, B. Shrestha, A. Sapkota, S. Lakhey, V. Yadav
{"title":"Abundance of snow leopard (Panthera uncia) and its wild prey in Chhekampar VDC, Manaslu Conservation Area, Nepal","authors":"B. Devkota, Thakur Silwal, B. Shrestha, A. Sapkota, S. Lakhey, V. Yadav","doi":"10.3126/BANKO.V27I1.18545","DOIUrl":"https://doi.org/10.3126/BANKO.V27I1.18545","url":null,"abstract":"Snow leopard ( Panthera uncia ) is the striking symbol as well as an indicator of intact eco-regions of high mountains it inhabits. Despite the advancement in new methods, scholars argue that signs are still a reliable indicator for the purpose of habitat use study of snow leopards. The relative abundance of snow leopard and its major prey species such as blue sheep ( Pseudois nayar ) and Himalayan tahr ( Hemitragus jemlahicus ) in the Chhekampar Village Development Committee within the Tsum Valley of the Manaslu Conservation Area was determined by sign survey using Snow Leopard Information Management System (SLIMS) and block survey using Vantage Point Method, respectively. We also assessed human snow leopard conflict through household and key informant survey. The encounter rate of snow leopard signs were 3.57/km on an average, indicating low abundance, whereas prey species such as blue sheep and Himalayan tahr had 3.8 and 1.8 animals/km 2 , respectively. The livestock depredation rate was 1.29% with snow leopard accounting to only 0.32% of the total. Due to the low abundance of snow leopard but sufficient number of large-sized wild prey species, livestock predation by snow leopard was minimum, and therefore, the local people had positive perception towards snow leopard conservation. Though the present situation including the local religious tradition and social norms is supportive in conservation of snow leopard, it may not sustain unless incentive programs are encouraged timely. Banko Janakari , Vol. 27, No. 1, Page : 11-20","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":"27 1","pages":"11-20"},"PeriodicalIF":0.0,"publicationDate":"2017-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3126/BANKO.V27I1.18545","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41708897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Use of forest land for national-priority infrastructures in Nepal 尼泊尔国家优先基础设施使用林地
Banko janakari Pub Date : 2017-11-07 DOI: 10.3126/BANKO.V27I1.18550
U. Sharma
{"title":"Use of forest land for national-priority infrastructures in Nepal","authors":"U. Sharma","doi":"10.3126/BANKO.V27I1.18550","DOIUrl":"https://doi.org/10.3126/BANKO.V27I1.18550","url":null,"abstract":"Forest conversion has been identified as one of the several bottlenecks affecting upon the major infrastructure projects in Nepal, especially in the energy and transport sectors. Nepal’s policy requires at least 40% of its land cover under forest. This means if any forest land is converted to non-forest land, it must be compensated with an equivalent area, preferably in the similar ecotype in the nation. In addition, a specified number of trees must be planted for the number of trees felled in the project site, and the site must be managed and protected for five years by the developers. These provisions have led to growing resentment between the developers and the Ministry of Forests and Soil Conservation (MFSC), leading to delay in providing forest lands for infrastructure projects. With a view to develop mechanisms for the government to rapidly provide forest land for nationally important infrastructure projects, the Government databases were examined to analyze the forests handed over to the developers for non-forestry uses. The data showed that a total of 14,028.4 ha of forest area were handed over to the developers for non-forestry uses until the end of 2015. On an average, 263.8 ha forest area was found to be handed over to the developers between the period of 2010–2013. However, there is a declining trend of forest handed over for non-forestry purposes in the recent years. The decline could be due to the strict enforcement of the legal provision which limits the conversion of forest areas to non-forest areas except in the case of the “national priority projects”. It has been recommended that the conversion of forest for infrastructure development should be examined with a holistic perspective by taking all the related components of forest conversion into consideration, from providing forest land for replacement planting. It is recommended that the Forest Product Development Board (FPDB), a parastatal organization under the MFSC, should be entrusted with the work of plantation related to forest conversion. The fund for this work should flow directly from the developers to the FPDB. The possibility of forming a land bank to facilitate the work of the FPDB is also recommended. Banko Janakar i, Vol. 27, No. 1, Page: 60-64","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":"27 1","pages":"60-64"},"PeriodicalIF":0.0,"publicationDate":"2017-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3126/BANKO.V27I1.18550","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48359672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Invasion of alien plant species and their impact on different ecosystems of Panchase Area, Nepal 尼泊尔潘切斯地区外来植物入侵及其对不同生态系统的影响
Banko janakari Pub Date : 2017-11-07 DOI: 10.3126/BANKO.V27I1.18547
S. Baral, A. Adhikari, R. Khanal, Y. Malla, R. Kunwar, B. Basnyat, K. Gauli, R. Acharya
{"title":"Invasion of alien plant species and their impact on different ecosystems of Panchase Area, Nepal","authors":"S. Baral, A. Adhikari, R. Khanal, Y. Malla, R. Kunwar, B. Basnyat, K. Gauli, R. Acharya","doi":"10.3126/BANKO.V27I1.18547","DOIUrl":"https://doi.org/10.3126/BANKO.V27I1.18547","url":null,"abstract":"The aggressiveness of invasive alien plant species has been amidst the changing climate, which has necessitated further research in this area. The impact of invasive alien plant species in the Panchase area of Nepal was assessed through the forest resource assessment and other methodologies such as, household survey, group discussion, direct field observation, participatory cluster mapping, quadrat sampling, laboratory analysis, and GIS mapping. A total of nine major invasive species, in which Ageratum houstonianum and Ageratina adenophora were found spread throughout the ecosystem. The invasion was fueled by anthropogenic disturbances such as leaving the agricultural lands, fallow and degradation of habitat. As a consequence, native species such as Artemisia indica and Urtica dioica were outcompeted mostly in the fringes of fallow lands, agricultural lands and in the disturbed sites. The intrusion was, however, less in the forest area, implying that community-managed dense canopy forests are less susceptible to invasion and routine management can offset the negative effects of invasion. Even though many negative consequences of the invasion were observed in the study sites, the possibility of the economically exploiting the biomass of invasive alien plant species for generating income locally was noticed. Banko Janakari, Vol. 27, No. 1, page: 31-42","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":"27 1","pages":"31-42"},"PeriodicalIF":0.0,"publicationDate":"2017-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3126/BANKO.V27I1.18547","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46512563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
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