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Journal Cover International Journal of Environment
  [5 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 2091-2854
   Published by Nepal Journals Online Homepage  [70 journals]
  • Mycelial growth observation of Pleurotus eryngii (Higher Basidiomycota) In
           Vitro

    • Authors: Mustafa Nadhim Owaid, Sajid SS Al-Saeedi, Idham Ali Abed
      Pages: 1 - 10
      Abstract: Five agro-substrates including date palm fibers (fibrillum), wheat straw, white sawdust and their combinations were investigated to grow Pleurotus eryngii. The longer mycelium complete time within bags was 20 days on sawdust (S4), in contrast, the shorter time for mycelium overgrew was completed after 15 days on date palm fiber (S5). In significant (p<0.05), S5 showed the higher growth intensity level (vigorous growth) than other substrates. Thus use of date palm wastes (S5 medium) may be useful for successfully cultivation king oyster mushroom in farm.International Journal of Environment Vol.5(3) 2016, pp.1-10
      PubDate: 2016-09-16
      Issue No: Vol. 5, No. 3 (2016)
       
  • Causes and consequences of the November 2014 torrential rains in the
           center & south of Morocco

    • Authors: Abdellatif Roman, Ali Ait Hssaine
      Pages: 11 - 30
      Abstract:  In November 2014, the central and southern Morocco have experienced extreme rainfall reached 287 mm and exceeded 240 mm on the last ten days of that same month .In Agadir city the annual average precipitations is 236 mm. Through reading and analysis of a long chain of Agadir station climate data (100 years), it becomes clear that the exceptional rainfall, which resulted in catastrophic damage with colossal human as well as material losses, is by no means an isolated case. In fact, the region had experienced similar or greater amounts of rainfall before. If Agadir was not significantly damaged by the floods on 28 November 2014, compared to the nearby towns such as Ait Melloul, Tiznit and Sidi Ifni, it is because of the preventive measures taken to protect the city against such hazards, especially after the floods that the city of Agadir witnessed in December 2010. In this respect, we should especially mention the planning of drainage basins facing the city by building hilly dams and water disposal canals.International Journal of Environment Vol.5(3) 2016, pp.11-30
      PubDate: 2016-09-16
      Issue No: Vol. 5, No. 3 (2016)
       
  • Introduction and ex-situ conservation of red-list medicinal plants in
           Andhra University Campus

    • Authors: J Prakasa Rao, SB Padal
      Pages: 31 - 42
      Abstract: Medicinal plants are now under great pressure due to their excessive collection so there is a need to immediate attention for conservation of some important medicinal and red list plants. During the period of 2009-2015 germplasm was collected and introduced in to the Andhra University Botanical Garden. A total of 72 introduced species belonging to 66 genera and 35 families were successfully acclimatized in the botanical garden, included 18 red list plants. After acclimatization all plants are transferred to the garden and special block was maintaining as red list medicinal garden.International Journal of Environment Vol.5(3) 2016, pp.31-42
      PubDate: 2016-09-16
      Issue No: Vol. 5, No. 3 (2016)
       
  • influence of altitude and slope on the density of Asphodelus microcarpus
           Salzm & Viv. in the Mount of Tessala (Western Algeria)

    • Authors: Mayssara El Bouhissi, Zoheir Mehdadi, Wael El Zerey
      Pages: 43 - 56
      Abstract: The change in the structure of species communities along environmental gradients is a privileged field of ecology as it allows exploring a continuous progression of situations often in a small area, in this context, we are interested in studying the impact of altitude and slope on the density and the recovery rate of Asphodelus microcarpus population in mountainous ecosystem. Asphodelus microcarpus is an ecological model, which allows us to have an idea about the degree of degradation in mountainous ecosystem, the density increases with advanced degradation stage. Analysis of variance revealed a highly significant difference (P = 0.001) between the 20 selected stations. The principal component analysis revealed that the density is important in low altitudes around 750 m where the slopes are average, this correlation is the result of human pressures that weaken the mountain of Tessala.International Journal of Environment Vol.5(3) 2016, pp.43-56
      PubDate: 2016-09-16
      Issue No: Vol. 5, No. 3 (2016)
       
  • Variation in soil organic carbon within highland grasslands of Langtang
           National Park, Nepal

    • Authors: Keshab Shrestha
      Pages: 57 - 65
      Abstract: Grassland also plays important role in food security. The estimated grassland area in Nepal is about 1.75 million ha. Most of the grassland in Nepal is located in higher elevation above, 2000 meter. The aim of this research is to observe difference in SOC of grassland in different altitude. Soil samples were collected from grasslands of altitude: 1500- 2000m, 2001- 2500m, 2501-3000m, 3001- 3500m and 3501- 4000m. The soil samples were collected at successive depths in each grassland i.e. 0 – 10 cm, 10 – 20 cm and 20 – 30 cm. The maximum SOC was found in grassland at altitude 3001 m- 3500m. The lowest was SOC was found in grassland at altitude 3051m – 4000m. Correlation analysis between altitude and SOC shows that SOC is positively correlated with altitude with correlation coefficient 0.850 (significant at P<0.05 level). But SOC decreases sharply in treeline with negative correlation (Significant at P<0.05).International Journal of Environment Vol.5(3) 2016, pp.57-65
      PubDate: 2016-09-16
      Issue No: Vol. 5, No. 3 (2016)
       
  • Fly ash effect on hatching, mortality and penetration of root-knot
           nematode (Meloidogyne incognita) in pumpkin roots

    • Authors: Gufran Ahmad, Abrar Ahmad Khan
      Pages: 66 - 73
      Abstract: An experiment was conducted to observe the effect of fly ash on hatching, mortality and penetration of root-knot nematode (Meloidogyne incognita) in pumpkin roots. For hatching experiment different fly ash-extract concentrations (5, 10, 20, 30, 40, and 50%) were prepared. Hatching was significantly reduced in all concentrations, maximum being at 50% concentration. The mortality (%) of juveniles was observed in 1, 2, 3, 4, 5, 6 and 7th days with different levels (5, 10, 20, 30, 40 and 50 %) of fly ash-extract. All the levels were found harmful to juveniles. As the level was increased, the killing percentage of juveniles was also increased. Highest mortality was observed in 7th day with 50% level.For the penetration experiment, fly ash was mixed with soil to prepare different concentrations (5, 10, 20, 30, 40, and 50%). Seeds of pumpkin were grown in coffee cups filled with different mixtures. At two leaf stage, seedlings were inoculated with 2000 larvae. The penetrated larvae in roots were observed after 1, 2, 3, 4, 5, 6 and 7 days. Root penetration was found inversely proportional to concentration. Significant results in the suppression of nematode penetration were noted up to 40% concentration. However, none of the juveniles was penetrated at 50% concentration.International Journal of Environment Vol.5(3) 2016, pp.66-73
      PubDate: 2016-09-16
      Issue No: Vol. 5, No. 3 (2016)
       
  • Genotype – environment interaction study in sugar beet (Beta
           vulgaris L.)

    • Authors: Entessar Al Jbawi, Ahmad Fahd Al Raei, Ahmad Al Ali, Hussain Al Zubi
      Pages: 74 - 86
      Abstract: The research was carried out to study the response of 16 cultivars of sugar beet in 3 seasons at one major sugar beet producing location, Hama, in Syria in autumn time, and assess genotype by environment interaction, and to estimate the stability of the varieties performance, according to the yield stability statistics (Ysi), for the studied traits of these varieties. A randomized complete block design with four replications was used. Data collected from each experiment were subjected to simple analysis of variance and after homogenization of error variance, combined analysis for four traits including Sucrose content (SC %), Purity (P %), Root yield (RY ton.ha-1), and Sugar yield (SY ton.ha-1) were carried out. Combined analysis of variance over years, exhibited significant differences (P≤0.05) among the varieties. Results of yield stability statistics (Ysi) revealed that five of the monogerm sugar beet varieties (Vico, Dita, Al Ceste, Chimene, and SR305) were stable for all of the studied traits, during three seasons, which is recommended to be planted in autumn time.International Journal of Environment Vol.5(3) 2016, pp.74-86
      PubDate: 2016-09-16
      Issue No: Vol. 5, No. 3 (2016)
       
  • Inventory of non-timber forest products in Western Nepal and strategies
           for sustainable management

    • Authors: Pramila Dhakal, Dev R Paudel, Dilli Ram Baral
      Pages: 87 - 103
      Abstract: Non-timber Forest Products (NTFPs) play an important role as traditional source for food, fiber, fodder, and medicine and offer income opportunities for poverty alleviation especially in rural households in Nepal who engage in a widespread trade of NTFPs. Adequate planning for sustainable use of NTFPs is imperative so we explored the inventory of multipurpose trees and herbs that are being used as NTFPs in Chitwan, Nepal. 70 households from Sukranagar and Mangalpur VDCs of Chitwan district were randomly selected and personal interviews were taken with them as well as focus group discussions were done. The community had been utilizing 49 plant species from the nearby community forest. Implementation of the policy of community forestry was found to have a positive impact on the sustainable production of NTFPs. More than 80% of the respondents believed that indigenous knowledge promoted sustainable NTFP production. Kurilo (Asparagus officinalis) was found to be the best NTFP for the study site. Various policy level reforms are proposed that will help in improving the sustainable production of NTFPs. Better utilization of NTFPs as well as their conservation is possible with proper trainings given to community forest users.International Journal of Environment Vol.5(3) 2016, pp.87-103
      PubDate: 2016-09-16
      Issue No: Vol. 5, No. 3 (2016)
       
  • Evaluation of dum palm kernel activated carbon in chromium and lead
           adsorption from synthetic waste water

    • Authors: HI Mohammed, B Gutti, BK Highina
      Pages: 104 - 118
      Abstract: This study aimed at the co-current removal of chromium and lead ions from synthetic waste water using dum palm kernel activated carbon. The adsorption experiment was conducted by varying time, pH and concentrations of the simulated solution. The data obtained were analyzed, and the best conditions for the uptake were at pH of 6, equilibrium time of 40 minutes. The two best isotherms models for the adsorption system were Sip, and Dubinin–Radushkevich, models respectively. Based on the Temkin adsorption energy calculated as 9.5793 and 0.4997 J/mol, the uptake of lead and chromium were chemisorption and physico-sorption, respectively. The maximum uptake calculated from Dubinin–Radushkevich plots were 14.1696 and 7.7191 mg/g, for lead and chromium, respectively.International Journal of Environment Vol.5(3) 2016, pp.104-118
      PubDate: 2016-09-16
      Issue No: Vol. 5, No. 3 (2016)
       
  • Implementation status of community adaptation plans: a case study from
           Parbat District, Nepal

    • Authors: Reeti Acharya, Ganesh Paudel
      Pages: 119 - 126
      Abstract: This study was carried out in three community forests of the Parbat District, Nepal with the objective of assessing the implementation status of Community Adaptation Plans (CAPs). Three focus group discussions, observations and several informal discussions were made with the local people. Physical and financial progresses of the CAPs were assessed. Altogether 26 climate change adaptation activities were proposed for the fiscal year 2071/72 among them 46% activities were implemented completely, 19% activities were started but not implemented and 35% activities were not implemented. The physical and financial progresses of the CAPs were 41.79% and 27.47 % respectively. For ensuring the effective implementation of CAPs mainstreaming them into local level development plan is recommended. Analysis of the effectiveness of the implemented CAPs in reducing vulnerability is recommended for future researchers.International Journal of Environment Vol.5(3) 2016, pp.119-126
      PubDate: 2016-09-16
      Issue No: Vol. 5, No. 3 (2016)
       
 
 
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