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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  [74 journals]
  • Notes on recollection and extended distribution of Rhynchotechum
           alternifolium C.B.Clarke (Gesneriaceae) in Eastern Himalaya, Bhutan

    • Authors: Nripemo Odyuo, Dilip Kr. Roy
      Pages: 1 - 8
      Abstract: Rhynchotechum alternifolium C.B.Clarke, a Gesneriaceae plant taxon earlier known from India and Myanmar, is reported here as an extended distribution to Bhutan. In India, earlier it was reported from Arunachal Pradesh, Assam, Manipur and Nagaland. The last observation of this taxon was in 1962 from Myanmar. During recent field exploration (2015), it is once again reported from Nagaland. Based on herbaria records, it is also recorded from Sikkim Himalaya. Brief taxonomic description along with photographic illustration and distribution map of the taxon is provided. Further investigation is required in the eastern Himalaya and North-eastern region of India to ascertain its present population status as well as IUCN status for conservation point of view.INTERNATIONAL JOURNAL OF ENVIRONMENTVolume-6, Issue-2, Mar-May 2017, Page: 1-8
      PubDate: 2017-05-23
      DOI: 10.3126/ije.v6i2.17357
      Issue No: Vol. 6, No. 2 (2017)
       
  • Occupational health hazards in street sweepers of Chandrapur city, central
           India

    • Authors: V. Patil Priyanka, R. K. Kamble
      Pages: 9 - 18
      Abstract: Street sweepers play an important role in maintaining health and hygiene in cities. They are exposed to road dust and other contaminants while cleaning streets. Exposure of this dust and contaminants irritates respiratory symptoms and airway obstruction. Twenty workers were selected as sample size (10 male and 10 female) and 10 individual as control (5 male and 5 female) for analysis of occupational health hazards in street sweepers of Chandrapur city. The study was carried out from November 2015 to January 2016. Peak Expiratory Flow Rate analysis which was carried out through Breath-o meter and other occupational health hazards through interview schedule specially designed and developed for this study. The results of the study showed that, Peak Expiratory Flow Rate values were lower in exposed workers (sample population) as compared with control group. These workers were exposed to number of environmental and occupational hazards leading to musculoskeletal disorders (100%), respiratory problems (95%), dermatological problems (90%), headache (75%) and gastrointestinal problems (15%) during work. It was further observed that theses workers were suffering from allergies (100%), cough and cold (75%), asthma and bronchitis lungs (65%), hearing disorder (50%), malaria and typhoid (25%), fever (15%) and vomiting (10%) after completion of work. To reduce occupational health hazards in sweepers, they must be made alert and aware of potential health risk arising from their work. Reduction in exposure and use of personal protective equipments should be encouraged.INTERNATIONAL JOURNAL OF ENVIRONMENTVolume-6, Issue-2, Mar-May 2017, Page: 9-18
      PubDate: 2017-05-23
      DOI: 10.3126/ije.v6i2.17358
      Issue No: Vol. 6, No. 2 (2017)
       
  • Diversity of used plant species for producing charcoal and its trade-off
           in Far-North Region, Cameroon

    • Authors: G. Todou, M. Hassan, Akamba Ze, D. Kombo, S. Machewere, T. Vroumsia
      Pages: 19 - 29
      Abstract:  The Northern Regions of Cameroon belong to sudano-zambesian region. In these regions, woody species are scarce compared to Guinean-Congolese Region and they undergo the human pressure like abusive exploitation of plants. In order to contribute to valorization of phytogenetic resources and contribute to struggle desert progression in sahelian region, a study on plants diversity which are used to produce charcoal and its trade-off was carried out in Far-North Region of Cameroon. Census of plants species was made on the basis of semi-structured surveys through the producers of charcoal and identification of tree trunks on the sites of charcoal production. Data of trade of charcoal was collected by direct observation and a semi-structured survey questionnaire in Maroua. In total, 25 species grouped in 17 genera and 8 families have been recorded. Acacia and Combretum were the richest genera with four species each. They were quoted as multipurpose species which can be used elsewhere as fruits, timbers, medicinal plants or essential oils and exudates. In Maroua almost, 98 % of households use charcoal for heating. In the absence of the charcoal, up to 60 % of those use firewood, 18.46 % use domestic gas and 18.46% use kerosene. Because of poverty and unemployment, people of primary education are mostly charcoal sellers.  INTERNATIONAL JOURNAL OF ENVIRONMENTVolume-6, Issue-2, Mar-May 2017, Page: 19-29
      PubDate: 2017-05-23
      DOI: 10.3126/ije.v6i2.17359
      Issue No: Vol. 6, No. 2 (2017)
       
  • Identification of male genotypes in Pistacia vera L. species using SSR
           markers

    • Authors: Najwa Motaeb Alhajjar, Bayan Mohammed Muzher
      Pages: 30 - 42
      Abstract: Genetic identification among different 15 male genotypes of Pistacia vera L. species in comparison with five main commercial male cultivars accredited by Ministry of Agriculture (Adam, Jamil, Ebrahim, Elyas and Khalifa) was achieved using SSR markers. Seventeen primer pairs out of Twenty SSR primers were able to amplify PCR products. SSR segregation produced 44 putative alleles, of which 34 were polymorphic (77.27%). Genetic similarity among all studied genotypes ranged from 0.45 between Jamil cultivar and MAS1 genotype to 1 between Ebrahim cultivar and MA1 genotype which means that they are identical. The UPGMA cluster analysis based on Jaccard’s coefficient grouped all genotypes into three main clusters. The number of alleles revealed by each SSR analysis ranged from 1 to 5, with a high level of expected heterozygosity (He) 0.507. Co-dominant SSRs loci were observed in some studied genotypes giving a value 0.235 of observed heterozygosity (Ho). According to the polymorphic allele’s number and the expected heterozygosity; Marker Index (MI) was 23.97. Our results concluded that SSR marker is an informative technique, which revealed high ability to differentiate individuals, and played an important role as a genetic marker for identification and evaluation studies within P. vera species.INTERNATIONAL JOURNAL OF ENVIRONMENTVolume-6, Issue-2, Mar-May 2017, Page: 30-42
      PubDate: 2017-05-23
      DOI: 10.3126/ije.v6i2.17360
      Issue No: Vol. 6, No. 2 (2017)
       
  • Assessment of physico-chemical parameters of rainbow trout farms for the
           evaluation of potential threat to natural streams in Nepal

    • Authors: Payaswini Ghimire, Archana Niraula, Anuradha Rai, Aastha Pandey, Smriti Gurung, Chhatra Mani Sharma
      Pages: 43 - 55
      Abstract:  Three trout farms from Nepal were studied to investigate the changes in physico-chemical parameters and their potential threat to natural water bodies receiving the effluents. Reference and impact sites were determined in each farm so as to find out the level of impacts due to farming activities. Some of the parameters such as dissolved oxygen, turbidity, conductivity, and total dissolve solids were significantly changed in the impacted zones compared to reference sites. Similarly, concentrations of some major ions such as calcium and sodium were increased in the impacted zones. On the other hand, some of the parameters such as pH and potassium did not change in the impacted zone although their concentrations were different among farms studied. Nevertheless, the overall changes in the physico-chemical parameters did not pose health risk to the aquatic ecosystems receiving effluents from these fish farms as the concentrations were below the prescribed levels by Environmental Protection Agency (EPA) as well as Nepal Environment Statistics. This is an indication that, although fish farming activities are degrading water qualities, there is no threat to the water quality receiving the effluents yet probably due to small scale farming. The increase in number of fish farms in the same area, however might pose risk to the ecological health in the region which warrants regular monitoring.  INTERNATIONAL JOURNAL OF ENVIRONMENTVolume-6, Issue-2, Mar-May 2017, Page: 43-55
      PubDate: 2017-05-23
      DOI: 10.3126/ije.v6i2.17361
      Issue No: Vol. 6, No. 2 (2017)
       
 
 
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