Results 11 to 20 of about 557 (82)

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

Studies on chaetognaths off Ubatuba region, Brazil: I. distribution and abundance

open access: yesBrazilian Journal of Oceanography, 1994
The distribution of chaetognath species off Ubatuba region, São Paulo State, Brazil, was studied during a program of multidisciplinary research. Ten species belonging to the genera Sagitta, Krohnita and Pterosagitta were identified. S.
Liang Tsui Hua, Luz Amelia 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

Distribution and Abundance of Chaetognatha on the Yucatan Shelf During May, 1986. [PDF]

open access: yes, 1997
An analysis of chaetognath species distribution and abundance from the Yucatan Shelf during May 1986 is presented. Zooplankton samples and associated hydrographic data were collected at 21 stations off the northern and northwestern coasts of the ...
Mille-Pagaza, Silvia   +2 more
core   +2 more sources

The chaetognatha of the Eastropic Expedition, with notes as to their possible value as indicators of hydrographic conditions [PDF]

open access: yes, 1959
ENGLISH: The purpose of this study was to investigate the possibility that certain species of Chaetognatha found in Eastern Tropical Pacific waters can serve as biological indicators of oceanographic features. "Indicator" organisms have been found useful
Renner, James A., Sund, Paul N.
core  

Zooplankton biomass and community structure in Todos Santos Bay, B.C., M,exico, during the 1982-83 El Niño event. [PDF]

open access: yes, 1989
"Se colectaron muestras mensuales de zooplancton durante el período octubre 1982 - septiembre 1983 en la Bahía de Todos Santos, B.C. Se estimó la biomasa en volumen desplazado, peso seco y peso orgánico, y se encontró una alta correlación positiva entre ...
ERNESTINA CASTRO LONGORIA
core   +1 more source

The Chaetognaths of the water of the Peru region [PDF]

open access: yes, 1964
ENGLISH: A study has been made of the distributions of the 28 species of Chaetognatha in the waters off Peru and southern Ecuador, based primarily on data from oceanographic surveys carried out between 1958 and 1961 by the Inter-American Tropical Tuna ...
Sund, Paul N.
core  

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