Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Igor David Costa"'
Publikováno v:
Biotemas, Vol 32, Iss 2, Pp 115-121 (2019)
The aim of this study was to evaluate the reproductive strategy of Aequidens tetramerus in small streams of the Machado river basin, southwestern Amazon. We collected samples in two streams using seine and dip nets along a 50-m stretch of the stream.
Externí odkaz:
https://doaj.org/article/34e7167164694d958f0b00b5c521fb91
Autor:
Igor David Costa, Ronaldo Angelini
Publikováno v:
Acta Limnologica Brasiliensia, Vol 32 (2020)
Abstract Aim In this paper, we compared the diet composition of the South American silver croaker, Plasgioscion squamosissimus in preserved and impacted areas (agrarian land use) of an Amazonian river. Our objective was to quantify the plasticity in
Externí odkaz:
https://doaj.org/article/58dba7c7f7584e8ebaeb1a0781fe417d
Publikováno v:
Zoologia (Curitiba), Vol 32, Iss 5, Pp 351-359 (2015)
ABSTRACT Determining the significance of biotic and abiotic factors in the structuring of fish assemblages in freshwater environments is an important question in ecology, particularly in view of environmental changes caused by man. In this paper we s
Externí odkaz:
https://doaj.org/article/d3be94d1137240e78a551edde0063069
Autor:
Paulo de Tarso Fonseca Albuquerque, Wesclen Vilar Nogueira, Vanessa Martins Rocha, Julia Myriam de Almeida Pereira, Rinaldo Antônio Ribeiro Ribeiro Filho, Igor David Costa
Publikováno v:
Biotemas, Vol 28, Iss 3, Pp 79-92 (2015)
Circadian activity patterns are among the most obvious and detectable biological rhythms in animals. This article aims to check the effects of nychthemeral variation on abundance, biomass, and composition of the ichthyofauna in the middle Machado Riv
Externí odkaz:
https://doaj.org/article/634a37a96f084349b947a77265eb2c21
Publikováno v:
Biotemas, Vol 27, Iss 3, Pp 97-108 (2014)
Neste estudo, descrevemos o hábito alimentar de Knodus heteresthes em um igarapé amazônico e exploramos a hipótese de que as variações da dieta ocorrem em função da alternância de estações e desenvolvimento ontogenético. A maioria dos esp
Externí odkaz:
https://doaj.org/article/3ddfa0bbc2a54272b9cf0778032b54c4
Publikováno v:
Zoologia (Curitiba), Volume: 40, Article number: e22040, Published: 03 APR 2023
This study aimed to estimate the parameters of length-weight relationship, sex ratio, and diet of three freshwater fish species that inhabit streams in the Pomba River basin (Rio de Janeiro, Brazil). Fishes were sampled with seine nets (2.0 × 1.20 m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c53f92a73e2dd7d51e14e1b9f05075b
https://doi.org/10.1590/s1984-4689.v40.e22040
https://doi.org/10.1590/s1984-4689.v40.e22040