Implications of Environmental Pollutions and Climate Changes on Ethiopian Fisheries: Review Study
Issue:
Volume 7, Issue 4, December 2021
Pages:
85-95
Received:
4 November 2021
Accepted:
22 November 2021
Published:
27 November 2021
Abstract: The objective of this review article was to summarize the current impacts and its implications of environmental pollution on the fisheries sector in Ethiopian fisheries. The materials for this review were kinds of literature (published and unpublished) including internet access and personal experiences were used for the source to obtain applicable data. Ethiopia has a potential source of water used for fisheries and irrigation-based agriculture. The Ethiopian Rift Valley is one of the potential sources used for fisheries purposes and it is also the most environmentally vulnerable water source in the country. Climate changes and environmental pollutions affect the fisheries and aquaculture sector directly by influencing the fish stocks and the comprehensive supply of fish for consumption. In Ethiopia, environmental pollutions are significantly affected the fisheries sector, especially in the Rift valley areas which come from different sources. 92.8% of the liquid sewages released from Addis Ababa city enter into rivers and rain-water channels having a chain with Lakes along with the downstream with above the maximum permissible levels of BOD and COD. And, applications of commercial agricultural fertilizers including pesticides and floriculture significantly affected the water qualities of Ethiopian water bodies especially the central Rift Valley lakes and, currently, the affluence and availabilities including the fish quality and the ecosystem services under the down streams are found at risk. The accumulation of nutrients affects biodiversity and fisheries. Under Rift valley lakes, 73% of the fish landing is sold nearby markets and the consumption of fish that are contaminated through different concentrations of heavy metals above permissible levels is going to be toxic for human beings. Therefore, the government and respective bodies should give more emphasis on the mitigations and management’s especially with agricultural, floriculture, and urbanization related waste entered into the water bodies; affects the ecosystem and the fishery sector in the country.
Abstract: The objective of this review article was to summarize the current impacts and its implications of environmental pollution on the fisheries sector in Ethiopian fisheries. The materials for this review were kinds of literature (published and unpublished) including internet access and personal experiences were used for the source to obtain applicable ...
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A Review on Magnetotactic Bacteria and Magnetosomes: Recent Trends and Multivalent Advances
Issue:
Volume 7, Issue 4, December 2021
Pages:
96-101
Received:
8 August 2021
Accepted:
8 November 2021
Published:
2 December 2021
Abstract: Magnetosome are forthwith one of the potential biosolutions for researchers exploring different aspects related to biomedical and biotechnology applications. Magnetotactic bacteria (MTB) are members of prokaryotes. They appear in different morphoforms and produce unique organelles called Magnetosomes (MS). The magnetosomes help bacteria in survival through imparting unique properties to navigate across the earth's geomagnetic field. The whole bacteria as well as magnetosomes prove suitable tool for multivalent applications, thus they turn out to be a challenge to researchers with respect to production yield. The discovery of a new wild type, magnetosome-over producing MTB strains allowing higher yield of magnetic nanoparticles is therefore critically needed to achieve a sustainable production of biologically derived magnetic nanoparticles. Therefore, is the necessity to explore biota in search of magnetotatic bacteria, and subsequently their multifaceted metabolism and iron-biomineralization process. Through this review, we focus on the diversity of Magnetotactic bacteria and their potential applications of magnetosomes in different sectors including biomedicine. Various research on this study is to emphasize the wide range of applications of these bionanomagnets in biomedical research, as well as recent breakthroughs and future research directions using magnetotactic bacteria in biomedicine.
Abstract: Magnetosome are forthwith one of the potential biosolutions for researchers exploring different aspects related to biomedical and biotechnology applications. Magnetotactic bacteria (MTB) are members of prokaryotes. They appear in different morphoforms and produce unique organelles called Magnetosomes (MS). The magnetosomes help bacteria in survival...
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