Results 1 to 10 of about 97,562 (195)
Considerações sobre amostragem de peixes marinhos (I) [PDF]
Boletim do Instituto Oceanográfico, 1960 A fishery research programme requires an accurate picture of the length distribution of the fish caught and landed. Each boat is considered a sampling unit. It is therefore necessary to know how to draw a sample from the fish landed in such a way as to give an accurate assessment of the length distribution of the boat's landing.
H. Nomura
openalex +9 more sources
Pequenos peixes pelágicos [PDF]
, 1984 The paper describes small pelagic fishes including several marine resources ranked among the most important in abundance(anchovy, horse mackerel and sardines) off the coast of Mozambique.
Sousa, M.I., Gislason, H.
openaire +4 more sources
Vetor, 2007 A composição química dos peixes, em particular a fração lipidica, está intimamente relacionada com o habitat e o tipo de alimentação dos mesmos. Esta difere dos outros óleos e gorduras, que ocorrem naturalmente, por conter grandes quantidades de ácidos ...
Alex Augusto Gonçalves +1 more
doaj +3 more sources
Distribution modeling of Psellogrammus kennedyi (Eigenmann, 1903) and new records in the Lower Paranapanema River, Brazil [PDF]
Check List, 2021 Understanding the potential distribution of non-native species can be an important tool in preventing biological invasions. We recorded for the first time Psellogrammus kennedyi, a small non-native characiform, in the Lower Paranapanema River, Brazil ...
Lucas Ribeiro Jarduli +5 more
doaj +3 more sources
Diversity of Monogenoidea parasitizing scombrid fishes from Rio de Janeiro coast, Brazil [PDF]
Check List, 2015 Eleven known species of Monogenoidea were found parasitizing six different species of scombrid fishes collected from Rio de Janeiro coast, Southwestern Atlantic Ocean: Capsala biparasitica, Capsala katsuwoni, Capsala notosinense, Nasicola brasiliensis ...
Marcia Justo, Anna Kohn
doaj +3 more sources
O Departamento Peixe/Pesca [PDF]
Acta Amazonica, 1981 Resumo Este artigo relata o histórico da formação do atual Departamento Peixe/Pesca do Instituto Nacional de Pesquisas da Amazônia. Atualmente o Departamento é formado por seis divisões. A Divisão de Pesca efetua a avaliação dos recursos pesqueiros através dos dados de captura e desembarque, de observações em campo dos métodos de captura, do ...
Resende, Emiko Kawakami de +7 more
openaire +6 more sources
Um Modelo para o Sistema Presa-Predador [PDF]
, 1999 Observando dados anuais relativos à percentagem de peixes predadores (peixes que se alimentam de outros peixes) no total de peixes pescados num porto italiano, dados esses relativos ao período 1914 - 23, nota-se claramente um aumento desta percentagem ...
BENTLIN, Maria R. +4 more
core +2 more sources
Boletim do Instituto de Pesca, 2023 Sex ratio is a crucial demographic parameter for the viability of natural populations, and it is commonly balanced in Neotropical freshwater fish species.
Josiane Ribolli +4 more
doaj +1 more source
Scientific Reports, 2023 The Neotropical monophyletic catfish genus Harttia represents an excellent model to study karyotype and sex chromosome evolution in teleosts. Its species split into three phylogenetic clades distributed along the Brazilian territory and they differ ...
Francisco de Menezes Cavalcante Sassi +9 more
doaj +1 more source