Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 14 of 14 for “"Water hyacinth"”.
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Ecological effects of water hyacinth (Eichhornia crassipes) on Lake Chapala, Mexico
Water hyacinth (Eichhornia crassipes) is a floating non-native plant that has been reoccurring in Lake Chapala, Jalisco, Mexico for more than 100 years. In this research, I explore the effects of water hyacinth on freshwater ecosystems worldwide and specifically on Lake Chapala. In chapter 1, I …
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Curbing environmental pollution of water hyacinth by using it in drug discovery
Water hyacinth (Eichhornia crassipes) is an aquatic plant that is also considered the world's worst weed. It grows rapidly by spreading dense mats over water bodies that hinder aquatic life from flourishing, halt fishing activities, and fester mosquito habitats. Its biomass poses a danger to the …
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Assessment of the Socioeconomic Impacts of Water Hyacinth in the Ada Communities on the Lower Volta River of Ghana
… economic opportunities. However, the invasion of water hyacinth significantly hinders these benefits. This study evaluates the ecosystem services of the Lower Volta River and the perceived effects of water hyacinth invasion and management strategies in the Ada community in Ghana. Data collection …
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Peran enceng gondok (Eichhornia crassipes) pada penurunan tingkat pencemaran logam berat timbal (Pb) di Perairan Waduk Sengguruh Kecamatan Kepanjen Kabupaten Malang
… River Basin causes each location sengguruh waters polluted by heavy metals lead (Pb), with a population of water hyacinth can reduce the concentration of heavy metals in water, so it is necessary to study pollution levels heavy metals lead (Pb) in the waters Sengguruh Reservoir. The purpose …
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Design and evaluation of biomass utilization systems
… biomass sources, hurricane debris and invasive water hyacinth, and turn costly cleanup efforts into opportunities for biofuel conversion systems. A novel solution is proposed for each biomass source and techno-economic models accounting for economic, energy, and carbon costs are used to evaluate …
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Green Chimney - Localized Carbon Sequestration in closed Environment
… that no significant difference of R2 compared to water hyacinth (Eichhornia crassipes) with the same leaf area. Moreover, the results showed no statistically significant differences between mung bean and water hyacinth were tested using the t-test at a level of significant of 5% (a=0.05). This …
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Heavy metal contamination in the Black River, Cape Town
… (SQG) for South Africa as described in the Water Research Commission Phase I Report; Developing Sediment Quality Guide lines (Gordon and Muller, 2010). The ability of the invasive Eichhornia crassipes (water hyacinth) to uptake and store heavy metals was also briefly investigated to identify …
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An assessment of environmental conservation and community participation processes in the Big 5 Hlabisa Local Municipality
… the issues of combating invasive plant species (water hyacinth) and seasonal flooding due to climate change. They indicated patriarchy as a factor in disfranchising women in socio-economic activities around the protected areas. Their apparent land ownership views indicated community-based …
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AN INVESTIGATION OF AQUATIC MACROPHYTE-BASED AQUATIC WASTEWATER TREATMENT SYSTEMS FOR TEMPERATE CLIMATES (ELODEA NUTTALLII, PHOTOSYNTHESIS, NUTRIENT BUDGET, ACTIVE TRANSPORT, NITRIFICATION)
… provide secondary and advanced secondary wastewater treatment capabilities for small communities. Their potential application in temperate climates has been ignored. The research presented here was conducted to examine their applicability for use in temperate regions. A pilot-scale aquatic …
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Investigation of constructed wetlands capability to remove mercury from contaminated waters
… and low-cost technology in treating wastewater. It was reported that wetlands (natural and constructed) were used to purify (a) municipal; (b) industrial; (c) acidic; and (d) agricultural wastewater. Mercury has been used intensively by wide variety of industries because of its unique …
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Investigating the effects of pre-treatment of tropical seaweeds and freshwater macrophytes for bioenergy production
… This is mainly because both marine and freshwater species, especially seaweeds, water hyacinth and water lettuce are rich in polysaccharides, and generally have high growth. This study aimed at investigating the potential for the production of bioenergy from selected tropical seaweed and …
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Hollow fibre liquid phase microextraction of pharmaceuticals in water and Eichhornia crassipes
Submitted in fulfilment of the requirements for the Degree of Master of Applied Sciences in Chemistry, Durban University of Technology, Durban, South Africa, 2019.