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Effect of eutrophic water in the gill of the Nile tilapia (Oreochromis niloticus) from Aclimação Park lagoon

Grant number: 06/07168-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): April 01, 2007
Effective date (End): December 31, 2007
Field of knowledge:Biological Sciences - Ecology - Applied Ecology
Principal researcher:João Carlos Shimada Borges
Grantee:Alfonso Braga Bartolini Salimbeni Vivai
Home Institution: Instituto de Ciências da Saúde (ICS). Universidade Paulista (UNIP). São Paulo , SP, Brazil


Effect of eutrophic water in the gill of the Nile tilapia (Oreochromis niloticus) from Aclimação park lagoon Key words: Oreochromis niloticus, gill, pollution, eutrophication, biomarkers Abstract Into the downtown place of the city of São Paulo situed the Aclimação Park that since 1939 had been suffering a lot of modifications about urbanity actions, there is a lagoon of 33.380 m² with eutrophic waters (rich in organic materials), provided with the local sewerage systems, nascent and pluvial waters. In Aclimação lagoon it had been described the presences of fish, the teleostei Tilapia (Oreochromis niloticus). This fish, have an economic interest, and is very easy to obtain heath fishes from commercial fish farms for comparisons with the lagoon fish. Therefore, in histological comparating the lagoons species with farm fish samples, it can be possible to evidence biomarkers and adaptive characteristics of these fishes to water eutrhophication. The objective o this present project is to analyze and to characterize possible effects of the water of the Aclimação Park lagoon in the gills of Nile Tilapia (Oreochromis niloticus) evidencing the action of the poluents. According to that, will be released specific histological stains, electron transmission microscopy and morphometry analysis of the samples from the lagoon and from commercial fish farm. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SHIMADA BORGES, J. C.; SALIMBENI VIVAI, A. B. B.; BRANCO, P. C.; SILVA OLIVEIRA, M.; MACHADO CUNHA DA SILVA, J. R.. Effects of trophic levels (chlorophyll and phosphorous content) in three different water bodies (urban lake, reservoir and aquaculture facility) on gill morphology of Nile tilapia (Oreochromis niloticus). Journal of Applied Ichthyology, v. 29, n. 3, p. 573-578, . (06/07168-0)

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