Banko janakari最新文献_第7页

Effect of growth hormone and growth media on the rooting and shooting of Zanthoxylum armatum stem cuttings 生长激素和生长介质对花椒茎插条生根和出芽的影响

Banko janakari Pub Date : 2018-12-31 DOI: 10.3126/BANKO.V28I2.24183

N. Phuyal, P. K. Jha, P. Raturi, S. Gurung, S. Rajbhandary

{"title":"Effect of growth hormone and growth media on the rooting and shooting of Zanthoxylum armatum stem cuttings","authors":"N. Phuyal, P. K. Jha, P. Raturi, S. Gurung, S. Rajbhandary","doi":"10.3126/BANKO.V28I2.24183","DOIUrl":"https://doi.org/10.3126/BANKO.V28I2.24183","url":null,"abstract":"The common method of propagation is through seeds but seed germination in Zanthoxylum armatum is very low due to the presence of hard seed coat, which might be a great hurdle for large scale production of plantlets. So an attempt was made in this study to see the effect of different growth hormones, their concentrations and different rooting media on the rooting and sprouting of Z. armatum. The stem cuttings of Z. armatum were treated with two types of auxins namely Indole-3-Butyric Acid (IBA) and Naphthalene Acetic Acid (NAA) at different concentrations (2000 ppm, 3000 ppm and 5000 ppm), while the untreated cuttings were used as control. The cuttings were planted in three different rooting media: sand, neopeat and mix (containing a mixture of sand, soil and vermin-compost). The completely randomized design was used for the experiment. The total number of stem cuttings of Z. armatum used in the experiment was 1080 for 18 treatments in three replicates (20 cuttings per treatment x 18 treatments x 3 replicates). The experiment was set up in controlled greenhouse conditions at Dabur Nepal Private Limited Nursery, Banepa, Kavre District. The parameters evaluated were root length, shoot length and number of roots per cutting. The collected data were analyzed statistically using R-program with Agricola. Least significant difference (LSD) and Duncan multiple Range Test (DMRT), as mean separation technique was applied to identify the most efficient treatment in the rooting and shooting behavior of Z. armatum (Gomez and Gomez, 1984). Hormone concentration and growth media significantly affected the rooting and shooting ability of Z. armatum stem cuttings. IBA was found to be more effective than NAA. Neopeat medium was better than sand and mix media. The highest number of roots (6.5) and root length (11.6 cm) were recorded under IBA 5000 ppm in neopeat medium.","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3126/BANKO.V28I2.24183","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46681064","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: 5

Locally identified criteria, indicators and verifiers for evaluating sustainable community based forestry: a case from Nepal 当地确定的评估可持续社区林业的标准、指标和验证器：尼泊尔的一个案例

Banko janakari Pub Date : 2018-10-26 DOI: 10.3126/BANKO.V28I1.21455

R. Pokharel, K. R. Tiwari

{"title":"Locally identified criteria, indicators and verifiers for evaluating sustainable community based forestry: a case from Nepal","authors":"R. Pokharel, K. R. Tiwari","doi":"10.3126/BANKO.V28I1.21455","DOIUrl":"https://doi.org/10.3126/BANKO.V28I1.21455","url":null,"abstract":"Community based forestry is seen in many countries as a way to enhance sustainable forest management through close involvement of local people. This paper aims to develop understanding of local perspectives on criteria, indicators and verifiers for evaluating sustainable community based forest management practices. This study includes ten different forest user groups ranging from full autonomy to semi-autonomy in making decisions regarding forest management practices covering three districts from three physiographic (mid-hill, inner-tarai and tarai) regions of Nepal. A village to village approach was used to acquire the perspectives from male, female and different castes. The findings show that local people identified four criteria, 26 indicators and 60 verifiers for evaluating sustainable community based forest management practices. Three locally identified criteria were found to be identical with the institutional topdown criteria. The paper concludes that understanding local knowledge, local practice and associated institutions are important to manage forest resources in a sustainable manner. There is also a need to have continuous collaborative works between forest professionals and local people to enhance sustainable forest management. Banko JanakariA Journal of Forestry Information for NepalVol. 28, No. 1, 2018, page: 37-47 ","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3126/BANKO.V28I1.21455","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44682196","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

Urban forestry in the federal context of Nepal 尼泊尔联邦背景下的城市林业

Banko janakari Pub Date : 2018-10-26 DOI: 10.3126/BANKO.V28I1.21448

K. Goutam

引用次数: 3

Natural regeneration potential and growth of degraded Shorea robusta Gaert n.f. forest in Terai region of Nepal 尼泊尔Terai地区退化的Shorea robusta Gaert n.f.森林的自然再生潜力和生长

Banko janakari Pub Date : 2018-10-26 DOI: 10.3126/BANKO.V28I1.21449

R. Malla, B. Acharya

{"title":"Natural regeneration potential and growth of degraded Shorea robusta Gaert n.f. forest in Terai region of Nepal","authors":"R. Malla, B. Acharya","doi":"10.3126/BANKO.V28I1.21449","DOIUrl":"https://doi.org/10.3126/BANKO.V28I1.21449","url":null,"abstract":"Sal (Shorea robusta ) has ecological, economical and socio-cultural importance. It is a dominant species in the Terai and Chure region of Nepal. Natural regeneration is the only relevant regeneration method for Sal in Nepal. This study intended to assess natural regeneration potential of Sal in ploughed and unploughed (control) sites. The study was carried out in Chetaradei of Kapilvastu district in an area of 4.79 ha. Two treatments (control and ground work i.e. ploughed) were applied to assess regeneration potential of Sal. The radius of the sample plots was 2 m, which were laid out systematically and the data were recorded from these plots in three consecutive years. Regeneration density was found higher in control site than ploughed site. T-test for regeneration density in three consecutive measurements showed that there was no significant difference between ploughed and unploughed conditions. The species composition was dominated by Sal in both ploughed and unploughed sites. Species diversity (Shannon Weiner) index was found higher in ploughed site than unploughed site in three consecutive measurements. Moreover, T-test showed that mean height of Sal was not significant in both ploughed and unploughed sites except in the first measurement. This study shows that protection from grazing and fire is essential for natural regeneration of Sal. However, ground work helps to increase tree species diversity but it is not necessary in degraded Sal forest.Banko JanakariA Journal of Forestry Information for NepalVol. 28, No. 1, 2018, page: 3-10","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3126/BANKO.V28I1.21449","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47388872","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: 5

Distribution pattern of tree species from tropical to temperate regions in Makawanpur district, central Nepal 尼泊尔中部Makawanpur地区热带至温带树种分布格局

Banko janakari Pub Date : 2018-10-26 DOI: 10.3126/BANKO.V28I1.21452

S. Bhattarai, B. Bhatta, R. Tamang

{"title":"Distribution pattern of tree species from tropical to temperate regions in Makawanpur district, central Nepal","authors":"S. Bhattarai, B. Bhatta, R. Tamang","doi":"10.3126/BANKO.V28I1.21452","DOIUrl":"https://doi.org/10.3126/BANKO.V28I1.21452","url":null,"abstract":"Tree species are the dominant component of forest ecosystems which influence most structural and functional attributes of these ecosystems. This study aims to document distribution pattern of forest types and their composition from tropical region at Hetauda (550 m asl) to temperate region above Simbhangyang (2500 m asl) of Makawanpur district, central Nepal. The carbon stock in the living biomass of tree species was estimated using an allometric equation while the biodiversity index was calculated using Shannon-Wiener Biodiversity index. A total of 62 species of trees belonging to 51 genera was recorded. Shorea forest was dominant in lower elevation while Quercus forest, Alnus-Rhododendron, Quercus-Lyonia and Quercus-Symplocos forests at higher elevation. Similarly, Castanopsis tribuloides has the widest distribution range (570 m to 2240 m asl) followed by Shorea robusta, Lagerstroemia parviflora, Trichilia connaroides, Syzigium jambos, Castanopsis indica, Schima wallichii etc. The highest number of tree species was recorded at 550 m elevation. Estimated carbon stocks were ranged from 0.85 — 53.37 t/ha with the mean value 24.98 t/ha. The values of Shannon-Wiener Biodiversity index ranged from 1.23— 2.78. There was positive relationship between carbon stock and biodiversity index (R2 = 0.40, p = 0.03). People have been practicing community forest management to support sustainability of harvesting in the study area.Banko JanakariA Journal of Forestry Information for NepalVol. 28, No. 1, 2018, page: 20-25 ","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3126/BANKO.V28I1.21452","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44150287","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

Pterospermum truncatolobatum Gagnepain (Sterculaceae): A new addition to the flora of Nepal 长尾蕨(蕨科):尼泊尔植物区系新加属

Banko janakari Pub Date : 2018-10-26 DOI: 10.3126/BANKO.V28I1.21456

B. Basnet, M. Siwakoti

引用次数: 0

Comparative study on litter production and nutrient return to soil in Tarai and Hill Sal (Shorea robusta Gaertn.) forests of eastern Nepal 尼泊尔东部Tarai和Hill Sal (Shorea robusta Gaertn.)森林凋落物产量和养分返回土壤的比较研究

Banko janakari Pub Date : 2018-10-26 DOI: 10.3126/BANKO.V28I1.21450

K. Bhattarai, T. Mandal

{"title":"Comparative study on litter production and nutrient return to soil in Tarai and Hill Sal (Shorea robusta Gaertn.) forests of eastern Nepal","authors":"K. Bhattarai, T. Mandal","doi":"10.3126/BANKO.V28I1.21450","DOIUrl":"https://doi.org/10.3126/BANKO.V28I1.21450","url":null,"abstract":"Litter production and nutrient return to soil through litter fall is important pathway for the regulation of nutrient cycling and primary production of the forest. Litter fall dynamics is generally influenced by phenology of tree species, seasons and altitude of the forest stand. As most of the information on litter production are from temperate and dry tropical region. A comparative study on litter production and nutrient return were conducted in Terai Sal forest (TSF) and Hill Sal forest (HSF) located in moist tropical region of eastern Nepal. Litter samples were collected from the litter traps (1m × 1m size) placed randomly in the forest. Collection was done at two months interval for one year. Annual litterfall in TSF (8.82 Mg ha-1y-1) was significantly (p < 0.001) higher than in HSF (7.18 Mg ha-1y-1).There was distinct seasonality in litter production. In TSF and HSF, litterfall was maximum in the summer (6.57 Mg ha-1 and 5.05 Mg ha-1, respectively) and minimum in winter season (0.86 Mg ha-1 and 0.72 Mg ha-1, respectively). Amount of nutrient return to forest soil through litter fall (kg ha-1 y-1) was higher in TSF (72.44 N, 6.80 P and 33.23 K) than HSF (54.31 N, 4.84 P and 22.23 K). The difference in litter production between these two forests was influenced by the phenology of dominant tree species, variation in altitude and seasons. Nutrient return through litter fall is a great input of nutrients in soil which is required for production process. Thus, litter constitutes a significant role in forest management.Banko JanakariA Journal of Forestry Information for NepalVol. 28, No. 1, 2018, page: 11-19","PeriodicalId":89659,"journal":{"name":"Banko janakari","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3126/BANKO.V28I1.21450","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46059841","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: 3

Human-Rhesus macaque conflict at Pumdivumdi/ Tallokodi, Pokhara, West Nepal 尼泊尔西部博卡拉省彭迪武姆迪/塔洛科迪的人类恒河猴冲突

Banko janakari Pub Date : 2018-10-03 DOI: 10.3126/BANKO.V27I2.21222

S. Sharma, S. Acharya

引用次数: 4

Forest health: context of forest pests and pathogen in Nepal 森林健康：尼泊尔森林病虫害和病原体的背景

Banko janakari Pub Date : 2018-10-03 DOI: 10.3126/banko.v27i2.21217

K. Pokharel

引用次数: 3

Notes on Bryum medianum Mitt. (Bryaceae) collected from Tsum Valley, central Nepal 关于中Bryum midum的注释。(苔藓科)采自尼泊尔中部的Tsum山谷

Banko janakari Pub Date : 2018-10-03 DOI: 10.3126/BANKO.V27I2.21223

J. P. Gajurel, S. Rai, N. Pradhan, C. Scheidegger

引用次数: 1