Resultados de búsqueda - "water quality"

Report on climate change, water resources, and irrigation sustainability por Feed the Future Innovation Lab for Small Scale Irrigation, Aziz, Fati, Bayissa, Yared, Dile, Yihun T., Ringler, Claudia, Schmitter, Petra S., Srinivasan, Raghavan, Tilahun, Seifu A., Worqlul, Abeyou, Xie, Hua

“…Water depletion and declining water quality in some areas of Africa and Southeast Asia suggest the need for careful planning and monitoring of small-scale irrigation to support resilience and avoid maladaptation. …”
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A scoping review of the contributions of farmers’ organizations to smallholder agriculture por Bizikova, Livia, Nkonya, Ephraim M., Minah, Margitta, Hanisch, Markus, Turaga, Rama Mohana Rao

“…Environmental benefits, such as resilience-building and improved water quality and quantity were documented in 24% of the studies. …”
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Integrating Sustainable Development Goals into the nexus approach por Canamary, E. A., Paiva, A. C. de E., Martins, M. A., Silva, D. de M., Marchezini, V., Tomasella, J.

“…The efficiency of wastewater treatment will significantly impact freshwater quality, indicating low water quality 90% of the time considering the current level of wastewater treatment.…”
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Modeling household's willingness to pay for sustainable rural drinking water supply using hand-pumped boreholes: a bivariate probit analysis in Chilga District, Northwestern Ethiop... por Nega, Y. M., Taw, T. B., Mesele, M. A., Abebe, M. T.

“…Results reveal that female-headed households are more supportive of water improvement projects, while older respondents and those with higher perceived water quality are less likely to pay. Education significantly increases WTP, and households spending more time collecting water are more inclined to pay for improvements. …”
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Soil and crop contamination through wastewater irrigation and options for risk reduction in developing countries por Abaidoo, Robert C., Keraita, Bernard N., Drechsel, Pay, Dissanayake, Priyanka, Maxwell, Akple S.

“…These include irrigation methods, farm-based measures for improving water quality, choice of crop, water application techniques, soil phytoremediation, zoning and post-harvest measures. …”
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Irrigation, domestic water supply and human health por Hoek, Wim van der, Boelee, Eline, Konradsen, Flemming

“…In addition, a number of reasons are given as to why, from a public health point of view, an exclusive focus on water quality issues is a mistake and why more attention needs to be paid to the availability of sufficient quantities of water for domestic use than at present. …”
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Water, agriculture and poverty in the Niger River Basin por Ogilvie, A., Mahe, G., Ward, J., Serpantie, G., Lemoalle, J., Morand, P., Barbier, Bruno, Diop, Amadou Tamsir, Caron, A., Namara, Regassa E., Kaczan, D., Lukasiewicz, A., Paturel, J.E., Lienou, G., Clanet, J.C.

“…Illiteracy and poor water quality, both correlated with high infant mortality, are pressing problems. …”
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Effect of sun-dried and fresh cassava leaves on growth of Tilapia (Oreochromis niloticus) fish fed basal diets of rice bran or rice bran mixed with cassava root meal por Chhay, T., Borin, K., Sopharith, N, Preston, Thomas R., Aye, Tin Maung

“…All the fish survived and there was no evidence of HCN toxicity. Water quality parameters were not affected by the treatments. …”
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Water resource research and education in mountain communities por Roa García, María Cecilia, Roa García, C.E., Brown, S., Cordero, E.

“…These headwater catchments, however, are often impacted by human activities (eg agricultural production) that affect both stream water quality and flow. Knowledge about water availability, quality, and use is essential for effective management but is often lacking, particularly in smaller mountain communities. …”
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Calidad y riesgo de contaminación de las aguas superficiales en la microcuenca del río La Soledad, Valle de Angeles, Honduras por Cardona, Alex J.

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Valoración económica del agua potable en la cuenca del río Endemedio; Santa Cruz, Guanacaste, Costa Rica por Merayo Calderón, O.

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Identification of new emerging pollutants in surface water using suspect screening analysis and prioritisation strategies based on regulatory databases por Krettek, Agnes

“…Emerging pollutants (EP) have the potential to enter the water system and cause adverse ecological and human health effects while simultaneously not being covered by existing water-quality regulations. However, the existing target analysis methodology only allows the detection of a very small fraction of the substances present in wastewater samples. …”

Microwave Processing at 915 MHz for Efficient Cellulose Cleavage in Vegetable Wastewater Treatment por Gonzalez Z., Melissa F.

“…Therefore, the potential of MW technology was highlighted as an effective solution for wastewater treatment in the horticultural processing industry, aiming to prevent water quality degradation by enhancing the efficiency of organic contaminant removal, ensuring regulatory compliance, and reducing regulatory risks associated with wastewater discharge.…”
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Small-Scale Irrigation Mapping (SSIM) as a tool for improving and validating irrigated area maps: contextual approach and lessons learnt in Burkina Faso por Chaix-Bar, Mathieu, Cinderby, Steve, Barron, Jennie

“…Concerns are rising regarding the negative impacts of unchecked expansion of irrigation on downstream water quality and availability, particularly when using sub-optimal practices (de Fraiture et al. 2014; Domenech and Ringler 2013; Shah 2007). …”
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CSA bundle 2 integrated aquaculture agriculture system: promoting integrated aquaculture agriculture system through on-farm demonstration and use of socio-cultural innovations to d... por HopeWays Enterprises Limited

“…Climatic hazards ‘have adversely impacted food and water security, water quality, and livelihoods of the people, especially in rural communities’ dependent more on aquatic food systems. …”
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Risk analysis and risk mitigation approaches: waterborne pathogens that become foodborne pathogens through irrigation por Allende, A., Drechsel, Pay

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A framework for analysing water security of Tonle Sap Lake in the Mekong River basin: Flow, volume, inundation, productivity and livelihoods por Sithirith, Mak

“…Although there is plenty of literature studying water security, many discuss water security concerning water quality that is harmful to human health, some on the floods and droughts which destroy agriculture and livelihoods of people, and others on water war or water conflict in transboundary river basin; but little discusses water security concerning changing river flow, volume, inundation, productivity and livelihoods in the river–lake system (RLS). …”
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Sustainability of Aqua Feeds in Africa: A Narrative Review por Ndebele-Murisa, Mzime, Mubaya, Chipo, Dekesa, Chipo Hazel, Samundengo, Angela, Kapute, Fanuel, Yossa, Rodrigue

“…Aqua feed composition impacts aqua waste, water quality, algae, oxygen demand, fish mortality, and eutrophication, and findings from literature reiterate the need to reorient feed formulation methods and ingredients to achieve a circular economy in Africa. …”
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Reducing microbial contamination on wastewater-irrigated lettuce by cessation of irrigation before harvesting por Keraita, Bernard N., Konradsen, Flemming, Drechsel, Pay, Abaidoo, Robert C.

“…As an input for exposure analysis to make risk estimates, the decay coefficient, k, for thermotolerant coliforms was 0.66 / day for the wet season and 1.49 / day for the dry season.Conclusion  In combination with other measures for improving water quality, the measure can significantly reduce faecal contamination of lettuce during the dry season. …”
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A critical review of quantifying water-energy-food nexus interactions por Li, W., Ward, P. J., van Wesenbeeck, L.

“…Moreover, this review shows that: the number of resource interactions examined in empirical applications is much lower than in theoretical studies; the study of physical resource interactions remains dominant; environmental considerations are biased towards water quality and carbon emissions; and there is a misalignment between research questions and empirical methodologies. …”
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