Results 11 to 20 of about 561 (82)

Abundancia y biomasa de Chaetognatha (Aphragmophora) en la zona pelágica del Pacífico Colombiano [PDF]

open access: yesRevista U.D.C.A Actualidad & Divulgación Científica, 2018
Due to the importance of chaetognaths, their high predatory impact and their role in energy transfer from phytoplankton to higher trophic levels, their abundance and dry biomass were evaluated for the first time in relation to thermohaline structure and ...
López Peralta, Raúl Hernando
core   +6 more sources

Distribution, abundance and biomass of Chaetognaths off São Sebastião region, Brazil in February 1994 [PDF]

open access: yesBrazilian Journal of Oceanography, 2002
The distribution, abundance, biomass, population structure and feeding habits of chaetognaths collected off São Sebastião region, Brazil, in February 1994 are described. Bongo nets were hauled obliquely to collect zooplankton samples. Forty-three samples
Liang, Tsui-Hua, Vega-Perez, Luz Amelia
core   +6 more sources

Posición trófica y fuentes de alimentación de larvas del stock bonaerense de Engraulis anchoita en el Océano Atlántico Sudoccidental [PDF]

open access: yesMarine and Fishery Sciences
The existing literature has classified Engraulis anchoita larvae as exclusively zooplanktophagous, with copepod eggs and nauplii larvae as their main prey.
Capitanio, Fabiana   +9 more
core   +4 more sources

Seasonal chaetognath abundance and distribution in a tropical estuary (Southeastern, Brazil)

open access: yesBrazilian Journal of Oceanography, 2005
This study focuses on the seasonal variation of the chaetognath species in the Vitória Bay/Passage Channel estuarine system, Espírito Santo, Brazil, in terms of their abundance and distribution.
Luiz Loureiro Fernandes   +2 more
doaj   +1 more source

Diversidad y distribución de la fracción de gran tamaño del mesozooplancton en hábitats costeros de tres golfos del Archipiélago cubano (Mar Caribe)

open access: yesRevista de Investigaciones Marinas, 2023
El Archipiélago Cubano contiene una gran fracción de la diversidad regional pero no existen estudios recientes sobre el mesozooplancton. Nuestro objetivo fue caracterizar la fracción de tamaño grande (> 500 μm) del mesozooplancton a través de cuatro ...
Maickel Armenteros   +3 more
doaj  

Las investigaciones de zooplancton marino en el sureste de México (1985-2010): logros y perspectivas institucionales

open access: yesSociedad y Ambiente, 2013
En México, el estudio del zooplancton marino muestra una clara regionalización de los grupos de trabajo que varía en intereses, recursos (infraestructurales, humanos) y logros.
Eduardo Suárez-Morales   +2 more
doaj   +1 more source

Siphonophores from surface waters of the Colombian Pacific Ocean [PDF]

open access: yes, 2018
Siphonophores are colonial hydrozoans that feed on zooplankton including fish larvae, and occur throughout the world’s oceans from surface waters to ocean depths.
Ahlstrom   +35 more
core   +1 more source

Observations on Chaetognath Distributions in the Northeastern Gulf of Mexico During the Summer of 1974 [PDF]

open access: yes, 1984
The chaetognath population was studied from zooplankton samples collected at twelve stations in the northeastern Gulf of Mexico in June 1974. Quantitative analysis of six stations revealed a large inshore population composed largely of juveniles and ...
McLelland, Jerry A.
core   +2 more sources

Studies on chaetognaths off Ubatuba region, Brazil: II. Feeding habits

open access: yesBrazilian Journal of Oceanography, 1995
The diet of chaetognath species were studied by examining the gut contents of 9466 specimens collected off Ubatuba region, São Paulo State. The greatest proportion of chaetognaths (7119 individuals) showed their gut contents empty. Copepods, mollusc eggs,
Tsui Hua Liang, Luz Amélia Vega-Pérez
doaj   +1 more source

Distribución espacial de los quetognatos y cómo la portación de huevos afecta la distribución vertical de Sagitta tasmanica en el sur de Chile [PDF]

open access: yes, 2009
Six chaetognath species were determined, all for the first time, in the inner waters between Reloncaví Fjord and Boca del Guafo, Chile. Sagitta tasmanica (85.3%) and Eukrohnia hamata (5.8%) were dominant.
Palma, Sergio   +2 more
core   +3 more sources

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