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Application of the physical habitat simulation for fish species to assess environmental flows in an Atlantic Forest Stream in South-eastern Brazil Neotropical Ichthyology
Costa,Marcus Rodrigues da; Mattos,Tailan Moretti; Fernandes,Victor Hugo; Martínez-Capel,Francisco; Muñoz-Mas,Rafael; Araújo,Francisco Gerson.
ABSTRACT The physical habitat simulation sub-routine of the Instream Flow Incremental Methodology (IFIM) uses hydraulic modeling and suitability indices of target fish species to predict how differences in-stream flows affect the microhabitat occupation by fish species. This habitat modelling approach was adopted to assess the ecological effects of running flows on three neotropical fish species of different orders (Bryconamericus ornaticeps , Ancistrus multispinis and Geophagus brasiliensis ).The study encompassed two reaches of an Atlantic Forest stream in Southeastern Brazil where topographic and hydraulic (depth, velocity and type of substrate) characteristics were measured to implement one-dimensional hydraulic simulation. Sub aquatic observation of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Habitat modeling; Habitat suitability curves; Neotropical fish.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252015000400685
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