Search Results - "A"

Refine Results
  1. Flow alterations caused by hydropower projects in two Mekong tributary basins: the livelihood implications. [Abstract only]. by Hecht, J., McCartney, Matthew P., Lacombe, Guillaume, Vogel, R.

    Published 2013
    “…There is increasing concern over projected changes in the magnitude and timing of streamflow due to the construction of hydropower dams in the Mekong basin and elsewhere. We compare a suite of indicators for their ability to reflect changes from pre-dam flow regimes. …”
    Get full text
    Conference Paper
  2. Climate change adaptations for food security in the Mekong. [Abstract only]. by Mainuddin, M., Kirby, M., Hoanh, Chu Thai

    Published 2011
    “…We have assessed the impact on the productivity of rice grown in the basin using a crop simulation model - AquaCrop. In general, the results suggest that productivity of main rainfed rice, predominant crop in the basin, may increase significantly in the upper part of the basin in Laos and Thailand and may decrease in the lower part of the basin in Cambodia and Vietnam. …”
    Get full text
    Conference Paper
  3. Community-driven water investments. [Abstract only]. by van Koppen, Barbara, Munnik, V.

    Published 2012
    “…Second, communities combine multiple water sources for enhanced resilience and coping with natural variability. In the past decade, a new approach to water services developed that builds on people's holistic management of the local water cycle: multiple use water services (MUS). …”
    Get full text
    Conference Paper
  4. Village poultry production systems in the central highlands of Ethiopia by Dessie, Tadelle, Ogle, B.

    Published 2001
    “…The system was characterized by no or few inputs and a low output level. The major input was the cost of foundation stock, but after that virtually no cost was involved. …”
    Get full text
    Journal Article
  5. Applying the Gini Coefficient to measure inequality of water use in the Olifants River water management area, South Africa by Cullis, J., van Koppen, Barbara

    Published 2007
    “…The second version calculates the distribution of the indirect benefits of water use in the form of direct employment. This is shown to have a Gini Coefficient of 0.64. Using the Gini Coefficient an assessment was also made of the impacts of different policy scenarios. …”
    Get full text
    Informe técnico
  6. Marketing system, socio economic role and intra household dynamics of indigenous chicken in Gomma Wereda, Jimma Zone, Ethiopia by Meseret, M., Solomon, D., Tadelle, D.

    Published 2011
    “…A survey of marketing system, socio economic role and intra household dynamics of indigenous chicken was conducted in Gomma Wereda located at 390 km southwest of Addis Ababa. …”
    Get full text
    Journal Article
  7. Rice and irrigation in West Africa: achieving food security with agricultural water management strategies by Katic, Pamela G., Namara, Regassa E., Hope, Lesley, Owusu, E., Fujii, H.

    Published 2013
    “…We present the results from a Policy Analysis Matrix (PAM) on rice production in Ghana, Burkina Faso and Niger and under three water management systems: irrigation (public scheme), supplemented rain-fed (rainfall aided by autonomously-sourced water supplies) and purely rain-fed. …”
    Get full text
    Journal Article
  8. Laboratory assessment of factors affecting soil clogging of soil aquifer treatment systems by Pavelic, Paul, Dillon, P.J., Mucha, M., Nakai, T., Barry, K.E., Bestland, E.

    Published 2011
    “…Of the two soil types tested, the more permeable sand media clogged more than the loam, but still retained an order of magnitude higher absolute permeability. A 6- to 8-fold difference in hydraulic loading rates was observed between the four source water types tested (one potable water and three recycled waters), with improved water quality resulting in significantly higher infiltration. …”
    Get full text
    Journal Article
  9. Exploring relationships between conservation and poverty reduction in wetland ecosystems: lessons from 10 integrated wetland conservation and poverty reduction initiatives by Senaratna Sellamuttu, Sonali, de Silva, Sanjiv, Nguyen-Khoa, Sophie

    Published 2011
    “…It is well known that whilst wetlands deliver a wide range of services vital for human well-being, they are being rapidly degraded and lost. …”
    Get full text
    Journal Article
  10. Features of river flow in inland valleys in semi-deciduous forest zone in Ghana by Fujii, H., Dawuni, B., Kulawardhana, Wasantha, Thenkabail, Prasad S., Namara, Regassa E.

    Published 2009
    “…However the term of non-flow period varies much depending on characteristics of sub-watersheds. 2) Runoff ratio for 5 years from 2000 to 2004 in Offinso watershed which is a typical watershed in semi deciduous forest zone in Ghana was indicated only 12%. …”
    Get full text
    Journal Article
  11. Different effects of earthworms and ants on soil properties of paddy fields in North-East Thailand by Jouquet, Pascal, Hartmann, C., Choosai, C., Hanboonsong, Y., Brunet, D., Montoroi, J.P.

    Published 2008
    “…This study was conducted in a very constraining environment, i.e., paddy fields which have anoxic conditions (approximately four months per year), and which are affected by soil salinisation during the dry period (approximately eight months per year). …”
    Get full text
    Journal Article
  12. Managing salinity and waterlogging in the Indus Basin of Pakistan by Qureshi, Asad Sarwar, McCornick, Peter G., Qadir, Manzoor, Aslam, Z.

    Published 2008
    “…These problems are the result of a multitude of factors, including seepage from unlined earthen canals system, inadequate provision of surface and subsurface drainage, poor water management practices, insufficient water supplies and use of poor quality groundwater for irrigation. …”
    Get full text
    Journal Article
  13. Dental caries and developmental defects of enamel in relation to fluoride levels in drinking water in an arid area of Sri Lanka by Ekanayake, L., Hoek, Wim van der

    Published 2002
    “…The study was conducted to assess caries and developmental defects of enamel in relation to fluoride levels in drinking water and the association between caries experience and the severity of diffuse opacities in children living in Uda Walawe, an area with varying concentrations of fluoride in drinking water in Sri Lanka. A total of 518 14-year-old children who were lifelong residents in this area were examined for dental caries and developmental defects of enamel. …”
    Get full text
    Journal Article
  14. Africa RISING West Africa 2014-2016 work plan by International Institute of Tropical Agriculture

    Published 2014
    “…Planned activity for the research output on scaling and delivery will focus on comparison of delivery approaches used in both countries. A series of cross‐cutting activities are planned. …”
    Get full text
    Informe técnico
  15. Carbon sequestration potential of agroforestry in Africa by Luedeling, Eike, Sileshi, Gudeta W., Beedy, Tracy, Dietz, Johannes

    Published 2011
    “…However, at prices of $10 per Mg CO2-eq or less, the value of stored C in most systems would be less than $30 ha?1 year?1, which is a small fraction of annual farm revenue and it needs to cover all transaction measurement reporting and verification costs. …”
    Get full text
    Book Chapter
  16. Multi-actor scenarios to build capacity for food systems governance at the sub-continental level by Vervoort, Joost M., Ingram, J., Ericksen, Polly J., Chaudhury, M., Förch, Wiebke, Thornton, Philip K., Kristjanson, Patricia M.

    Published 2012
    “…The Climate Change, Agriculture and Food Security (CCAFS) program is a partnership between the global agricultural development institutes (CGIAR) and the global environmental change community (ESSP). …”
    Get full text
    Conference Paper
  17. Molecular characterization and identification of biocontrol isolates of Trichoderma harzianum from Embu District, Kenya by Siameto, EN, Okoth, S., Amugune, N.O., Chege, NC

    Published 2011
    “…Since all T. harzianum isolates evaluated were effective in controlling colony growth of the soil borne pathogens both in dual cultures and in culture filtrates they should be tried as a broad spectrum biological control agent in the greenhouse and under field conditions.…”
    Get full text
    Journal Article
  18. Effect of soil fertility management practices and bacillus subtilis on plant parasitic nematodes associated with common bean, Phaseolus vulgaris by Wepuhkhulu, M, Kimenju, J.W., Anyango, B, Wachira, P., Kyallo, G

    Published 2011
    “…The combination of Bacillus subtilis and cow manure led to a 54% reduction in numbers of plant parasitic nematodes, compared to the untreated control. …”
    Get full text
    Journal Article
  19. Agronomic evaluation of Leucaena. Part 2. Productivity of the genus for forage production in subtropical Australia and humid-tropical Philippines by Mullen, BF, Gabunada Junior, FA, Shelton, HM, Stür, Werner W.

    Published 2003
    “…The agronomic potential of 116 accessions, represent ing the 28 species and subspecies of the Leucaena genus and several artificial hybrid accessions, was evaluated at Los Baños, Philippines and Brisbane, Australia over a 2.5–year period. Accessions were planted into replicated line plots, with 10 trees/plot spaced 50 cm apart, and with rows spaced 3 m apart. …”
    Get full text
    Journal Article

Search Tools: