João Henrique Pinheiro Dias
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View article: Spread of Amazonian Freshwater Fishes Beyond Their Native Ranges
Spread of Amazonian Freshwater Fishes Beyond Their Native Ranges Open
The spread and establishment of Amazonian species outside their native ranges through activities such as sport fishing, aquaculture, and the ornamental fish industry may lead to ecological changes in recipient ecosystems. We investigated t…
View article: Enhancing Fish Passage Efficiency: Lessons from UHE Porto Primavera’s Fish Ladder
Enhancing Fish Passage Efficiency: Lessons from UHE Porto Primavera’s Fish Ladder Open
Dams severely affect aquatic environments and block the longitudinal migration of fish. In order to mitigate the negative effects generated by these developments, fish passes, or fishways, are implemented in dams with the purpose of restor…
View article: Germination of fruits eaten by the maned wolf Chrysocyon brachyurus (Illiger, 1815) (Carnivora, Canidae)
Germination of fruits eaten by the maned wolf Chrysocyon brachyurus (Illiger, 1815) (Carnivora, Canidae) Open
Zoochory is a fundamental process that can be the main mechanism for seed and plant dispersal for many species. Mammals of the Carnivora order are among the most important dispersing agents; however, little is known regarding the role of c…
View article: Bidirectional connectivity via fish ladders in a large Neotropical river: Response to a comment
Bidirectional connectivity via fish ladders in a large Neotropical river: Response to a comment Open
In a recent article, we described fitting electronic tags to the fish Prochilodus lineatus to document how a fishway connected aquatic habitats downstream and upstream of a major dam. Moreover, given that tagged fish remained upstream or d…
View article: Is there evidence of connectivity restoration by fishways? The case of Porto Primavera Hydropower Plant, Paraná River, Southeastern Brazil
Is there evidence of connectivity restoration by fishways? The case of Porto Primavera Hydropower Plant, Paraná River, Southeastern Brazil Open
Habitat fragmentation is one of the main impacts of river damming and fishways could be an important management tool to mitigate it, restoring river connectivity. The Porto Primavera dam is located in the upper Parana River basin, Southeas…
View article: Can fishways restore river connectivity? A case study using β diversity as a method of assessment
Can fishways restore river connectivity? A case study using β diversity as a method of assessment Open
Aim β diversity was used as an indicator to test the hypothesis that a fishway can increase river connectivity, as a reduction in the value of this metric indicates greater similarity among fish assemblages. Methods Quarterly sampling was …
View article: Effectiveness of a fish ladder for two Neotropical migratory species in the Paraná River
Effectiveness of a fish ladder for two Neotropical migratory species in the Paraná River Open
We evaluated the effectiveness of the fish ladder at Porto Primavera Dam in the severely regulated Upper Paraná River, for two Neotropical migratory fish species. Overall, 564 fish (448 Megaleporinus obtusidens and 116 M. piavussu) were PI…
View article: First confirmed records of the Pantanal Cat, Leopardus colocola braccatus (Cope, 1889), in the state of São Paulo, Brazil
First confirmed records of the Pantanal Cat, Leopardus colocola braccatus (Cope, 1889), in the state of São Paulo, Brazil Open
The Pantanal Cat, Leopardus colocola braccatus , presents a broad distribution over several biomes in South America. However, the distribution of the species is based on a limited number of occurrences, and confirmed records of the species…
View article: Can fishways restore river connectivity? A case study using β diversity as a method of assessment
Can fishways restore river connectivity? A case study using β diversity as a method of assessment Open
Aim β diversity was used as an indicator to test the hypothesis that a fishway can increase river connectivity, as a reduction in the value of this metric indicates greater similarity among fish assemblages. Methods Quarterly sampling was …