3 results for “Amazon basin”

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Research ArticleOpen accessIn the keywordsGenetic Diversity in Cichla monoculus (Spix and Agassiz, 1931) Populations: Implications for Management and ConservationCarlos Henrique Dos Anjos Dos Santos, Carolina Fernandes Silva De Sousa, Maria de Nazare Paula-Silva et al.Problem statement: The object of this study was to examine the genetic structure and gene flow in Cichla monoculus populations in seven varzea lakes of the Solimoes River using Randomly Amplified Polymorphic DNA (RAPD) markers, to monitor the region where petroleum is transported in the Amazon basin. Approach: The loss of genetic diversity is one of the main factors leading … …American Journal of Environmental Sciences, Vol. 8, Issue 1 · 30 Jan 2012 · 8,517 accessesView PDF Cite

Research ArticleOpen accessIn the abstractMercury Contamination within Protected Areas in the Brazilian Northern Amazon-Amapá StateRossana Venturieri, Marcelo Oliveira-da-Costa, Cecile Gama, Christoph Bernhard JasterMercury contamination is a long-standing environmental and social problem, notably in the Amazon. The widespread use of mercury in artisanal and small-scale gold mining has driven contamination of the environment and the people, threatening biodiversity, human health and livelihoods of traditional populations. Along the border area between Brazil and French Guiana, illegal gold mining is considered a critical threat to … …American Journal of Environmental Sciences, Vol. 13, Issue 1 · 17 Jan 2017 · 9,246 accessesView PDF Cite

Review ArticleOpen accessIn the abstractRecent Status of Fishes in the Yangtze River and its Ecological Health AssessmentChun-Jiao Lu, Jin-Jing Duan, Muhammad Junaid et al.The Yangtze River, ranking behind the Nile and the Amazon rivers, is the third longest river in the world. The Three Gorges Dam constructed on the Yangtze River dramatically altered the ecological environment in the surroundings. In this review, we integrated the published data about the Three Gorges Project and systematically analyzed the status of fish population in the Three … …American Journal of Environmental Sciences, Vol. 12, Issue 2 · 4 Apr 2016 · 10,523 accessesView PDF Cite