Trophic models in Neotropical reservoirs: testing hypotheses on the relationship between aging and maturity
Damming of rivers is one of the main human interferences in natural ecosystems. With the
purpose to analyze food webs in 30 reservoirs of the state of Paraná, southern Brazil, we
built standardized models (same number of compartments) for each reservoir in the software
Ecopath. We tested the existence of an association among eight attributes described in
Odum's theory (estimated by the models built in Ecopath and summarized in a Principal
Component Analysis—PCA) and some characteristics of the reservoirs, such as age and …
purpose to analyze food webs in 30 reservoirs of the state of Paraná, southern Brazil, we
built standardized models (same number of compartments) for each reservoir in the software
Ecopath. We tested the existence of an association among eight attributes described in
Odum's theory (estimated by the models built in Ecopath and summarized in a Principal
Component Analysis—PCA) and some characteristics of the reservoirs, such as age and …
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