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All Journal Budapest International Research in Exact Sciences (BirEx Journal)
Nyiwa, Ngbolua Koto-Te-
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Physics Transportation

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Multivariate Analysis for Sustainable Water Management: Understanding and Managing Environmental Risks in the Ikopa Watershed, Madagascar Ulrich, Fidelio Arnold; Bruno, Razanamparany; Robert, Rejo; Narindra, Ratiarimananjatovo; Nyiwa, Ngbolua Koto-Te-; Baholy, Robijaona Rahelivololoniaina
Budapest International Research in Exact Sciences (BirEx) Journal Vol 6, No 1 (2024): Budapest International Research in Exact Sciences, January
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birex.v6i1.7817

Abstract

This paper delves into environmental challenges in Madagascar's Ikopa Watershed, focusing on the impact of climate disruptions and human activities on terrestrial and aquatic ecosystems. Employing a multidisciplinary approach, the research is examining the intricate interplay of geological, climatic, and human-induced factors, exploring their implications for sustainable water resource management. The study has employed representative sampling, surveying 386 households, and has combined it with field data collection and an evaluation of local perspectives on environmental risks. The results have identified four main forms of environmental degradation: water and wind erosion, biological, and water degradation. These phenomena have significant implications for water availability and quality, as well as local agricultural activities. Additionally, the research has classified households into two groups based on their exposure to climate variability, emphasizing the need for tailored adaptation strategies to address specific environmental challenges. The findings underscore the importance of local adaptation initiatives, such as sustainable land management and community awareness, to enhance resilience against environmental risks. Conclusively, the paper emphasizes the importance of ongoing and customized water resource management in the Ikopa Watershed, taking into account local perspectives, adaptation strategies, and future environmental challenges.
Dynamics of Dry Matter, Organic Matter and Crude Protein in the Leaves of Four Varieties of Brachiaria Brizantha at the Vegetative Stage, Under the Ecological Conditions of Kisangani in the DRC Ngakpa, Maurice D.; Musalizi, Roger-Lafleur M.; Mukandama, Jean-Pierre N.; Saile, Joseph I.; Masengo, Colette A.; Nyiwa, Ngbolua Koto-te-
Budapest International Research in Exact Sciences (BirEx) Journal Vol 6, No 2 (2024): Budapest International Research in Exact Sciences, April
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birex.v6i2.7818

Abstract

The present work aimed to evaluate the variation of dry matter, organic matter and crude protein in the vegetative phase of four varieties of Brachiaria brizantha (Xaraes, Piata, Marandu and Locale) in forage cultivation. After field experimentation in a complete random block system, and laboratory analyses, the results obtained show that the dry matter content increases from the beginning tillering stage to the end tillering stage and varies according to variety. The highest dry matter content is recorded in the local variety at the late tillering stage. The crude protein content also varies depending on variety and phenological stage, the protein contents are higher at the full tillering stage in the varieties Xaraes (17.34%), Locale (15.8%) and Marandu (14.2%), while the Piata variety reaches its highest protein content from the early tillering stage (13.8%). Overall, the Xaraes variety is more protein-rich, its average protein content in the vegetative phase is 15.3%. Thus, the Xaraes variety is economically more interesting than the others, protein being the most expensive component in livestock feed. This is why this variety would be indicated to be popularized with a view to large-scale exploitation in the Kisangani region. However, additional bromatological analyzes are necessary before any decision.
Co-Authors Baholy, Robijaona Rahelivololoniaina Bruno, Razanamparany Masengo, Colette A. Mukandama, Jean-Pierre N. Musalizi, Roger-Lafleur M. Narindra, Ratiarimananjatovo Ngakpa, Maurice D. Robert, Rejo Saile, Joseph I. Ulrich, Fidelio Arnold