Results 121 to 130 of about 2,193 (218)

Distribuição espaço-temporal do ictioplâncton no Rio do Peixe, sobre influência de pequenas centrais hidrelétricas (Alto Rio Uruguai, Brasil) [PDF]

open access: yes, 2009
TCC (graduaçãoem Agronomia) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, 2009.Esse estudo visa avaliar a distribuição e ocorrência do ictioplâncton no Rio do Peixe sobre influência de duas Pequenas Centrais Hidrelétricas (PCH´s)
Figueiredo, Gabriela Maria Maimone de
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ALIMENTACION DE ODONTESTHES BONARIENSIS (CUVIER Y VALENCIENNES 1835) (ATHERINIFORMES, ATHERINIDAE) EN LA LAGUNA SALADA DE MAR CHIQUITA (CORDOBA, ARGENTINA) FEEDING OF ODONTESTHES BONARIENSIS (CUVIER Y VALENCIENNES 1835 1835) (ATHERINIFORMES, ATHERINIDAE) IN THE SALINE LAKE OF MAR CHIQUITA (CORDOBA, ARGENTINA

open access: yesGayana, 2001
Se analizó el contenido estomacal de 258 individuos de pejerrey Odontesthes bonariensis, con el objeto de estudiar los hábitos alimentarios de esta especie en un ambiente de características particulares debido a su extensión y elevada salinidad.
Luis Sagretti   +1 more
doaj  

Seasonal changes in the somatic indices of the freshwater silverside, Odontesthes bonariensis (Teleostei, Atheriniformes) from a Neotropical shallow lake (Argentina)

open access: yesBrazilian Journal of Biology
The study object was an Odontesthes bonariensis (Valenciennes, 1835) population of a characteristically shallow lake from the pampasic region. Over one year, zooplankton and fish samples were collected monthly.
LR. Freyre   +4 more
doaj   +1 more source

Evaluación de modelos del crecimiento en diferentes condiciones de cultivo de pejerrey (Odontesthes bonariensis) [PDF]

open access: yes, 2014
The pejerrey is one of the most important temperate native freshwater species of Argentina. Its culture is mainly done intensively and in recent years is being developed in floating cages in several Pampean lakes under semi-intensive and extensive ...
Baigún, Claudio Rafael M.   +5 more
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Dieta, selectividad y solapamiento trófico entre las tallas del pez blanco Menidia humboldtiana (Atheriniformes: Atherinopsidae) en el embalse Tiacaque, México Diet, selectivity and trophic overlap between the sizes of Silverside Menidia humboldtiana (Atheriniformes: Atherinopsidae) in the reservoir Tiacaque, Mexico

open access: yesRevista de Biología Tropical, 2013
Menidia humboldtiana es una especie nativa muy apreciada por su delicado sabor. Se determinó el espectro trófico, selectividad y solapamiento trófico de ésta, durante 1995 (épocas del año), se obtuvieron muestras de zooplancton e identificaron a nivel ...
Regina Sánchez   +2 more
doaj  

Spawning Habitat Of Telmatherina Sarasinorum (Family: Telmatherinidae) In Lake Matano [Habitat Pemijahan Ikan Telmatherina Sarasinorum (Famili: Telmatherinidae) di Danau Matano] [PDF]

open access: yes, 2010
A study on habitat of Telmatherina sarasinorum was conducted in Lake Matano. An underwater observation on the fish habitat was performed to allow description on habitat while investigating its reproductive behaviour.
Muchsin, I. (Ismudi)   +4 more
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Ictiólogos de la Argentina : Sara Beatríz Sverlij [PDF]

open access: yes, 2012
Fil: López, Hugo Luis. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Padin, Oscar Horacio. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo.
López, Hugo Luis   +2 more
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The trophic ecology of the red swamp crayfish (Procambarus clarkii) in Mediterranean aquatic ecosystems : a stable isotope study [PDF]

open access: yes, 2013
The red swamp crayfish(Procambarus clarkii)is an invasive species in most of its current distribution range.As an omnivorous species that feeds on items of many trophic levels and is eaten by many others, it occupies a key trophic position within the ...
Alcorlo, Paloma   +2 more
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Selección del zooplancton por el charal Chirostoma jordani (Atheriniformes: Atherinidae)

open access: yes, 2015
Zooplankton selectivity by the silverside fish Chirostoma jordani, was made in the Trinidad Fabela reserveir, México (19° 48 ' 12"- 50' 36" N; 99° 46' 23" - 39" W) encompassing the four seasons (1983 - 1984). Fish were collected using a dragnet with 8 mm mesh size and zooplankton with a 125 micron mesh size pJankton neto The zooplankton community is ...
Navarrete, Norma A.   +2 more
openaire   +1 more source

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