2017
DOI: 10.15381/rpb.v24i4.14062
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Composición y abundancia del zooplancton en la laguna El Morro, Isla de Margarita, Venezuela

Abstract: Se analizó la composición y abundancia del zooplancton de la laguna El Morro en la isla de Margarita, Venezuela, durante el periodo de surgencia (marzo-mayo 2011) y de relajación (junio-agosto 2011). Las muestras fueron recolectadas en 6 estaciones de las diferentes zonas de la laguna. Se realizaron calados con una red de plancton de 333 µm durante 10 minutos. Se midió in situ la temperatura, salinidad y oxígeno disuelto, además de nutrientes. Se registraron valores medios de temperatura de 29.7 ºC, salinidad … Show more

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Cited by 3 publications
(7 citation statements)
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“…On the other hand, P. quasimodo was the third species in abundance in the present investigation, with higher increases in the rainy season; however, no correlation was found with salinity. The results regarding the abundance of this species coincided with that reported by Villalba et al (2017) in the El Morro coastal lagoon, isla de Margarita, Venezuela, where it was counted as the second most abundant species during the relaxation period. Consequently, the copepods A. tonsa, T. turbinata, and P. quasimodo were present in both periods studied and in high abundances; therefore, it can be concluded that these species are permanent residents of this body of water.…”
Section: Discussionsupporting
confidence: 86%
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“…On the other hand, P. quasimodo was the third species in abundance in the present investigation, with higher increases in the rainy season; however, no correlation was found with salinity. The results regarding the abundance of this species coincided with that reported by Villalba et al (2017) in the El Morro coastal lagoon, isla de Margarita, Venezuela, where it was counted as the second most abundant species during the relaxation period. Consequently, the copepods A. tonsa, T. turbinata, and P. quasimodo were present in both periods studied and in high abundances; therefore, it can be concluded that these species are permanent residents of this body of water.…”
Section: Discussionsupporting
confidence: 86%
“…When considering tropical estuarine ecosystems in Venezuela (Zoppi, 1974;Gómez, 1983;Briceño et al, 2009;Márquez-Rojas et al, 2017;Villalba et al, 2017) and throughout the world (Sterza and Fernandes, 2006;Garboza da Costa et al, 2008;Magalháes et al, 2009;Da Costa et al, 2011) it is corroborated that seasonal changes in salinity are mainly influenced by rainfall. This statement was corroborated in the Gulf of Cariaco bag with the marked seasonal fluctuation that salinity presented.…”
Section: Discussionmentioning
confidence: 97%
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“…The species Oithona nana [ 39 ] is part of the most dominant planktonic copepods in the world’s oceans [ 40 , 41 ]. It is found in neritic and oceanic zones [ 29 , 30 , 31 , 32 , 33 , 42 , 43 ], with a preference for warm waters [ 44 ]. According to Berraho et al [ 29 ], Berraho et al [ 30 ], La-vaniegos et al [ 45 ], and Magouz et al [ 46 ], O. nana has a very varied diet and a low metabolic rate, all of which are advantageous qualities for rearing purposes.…”
Section: Introductionmentioning
confidence: 99%