First fecundity observations on female copepods from three northern Patagonian lakes (Pellaifa, Calafquén, Panguipulli; Chile)

Abstract The crustacean zooplankton in Chilean Patagonian lakes is characterized by a marked dominance of calanoid copepods when under an oligotrophic status. The aim of the present study was to analyse the number of eggs and the relation of that feature with the total length of females of calanoid...

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Published in:Crustaceana 2019-01, Vol.92 (8), p.897-905
Main Authors: De los Ríos, Patricio, Farias-Avendaño, Jorge, Suazo, Maria J
Format: Article
Language:English
Subjects:
Aquatic crustaceans
Community structure
Copepoda
Crustaceans
Eggs
Fecundity
Females
Interspecific
Interspecific relationships
Lakes
Predator-prey interactions
Predators
Prey
Zooplankton
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container_end_page 905
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container_title Crustaceana
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creator De los Ríos, Patricio
Farias-Avendaño, Jorge
Suazo, Maria J
description Abstract The crustacean zooplankton in Chilean Patagonian lakes is characterized by a marked dominance of calanoid copepods when under an oligotrophic status. The aim of the present study was to analyse the number of eggs and the relation of that feature with the total length of females of calanoid and cyclopoid copepods reported in three northern Chilean Patagonian lakes. The calanoid copepods found were Boeckella gracilipes in Lake Pellaifa and Tumeodiaptomus diabolicus in the lakes Panguipulli and Calafquén, whereas the cyclopoid Mesocyclops araucanus was found in the lakes Pellaifa and Calafquén. For calanoid copepods, high egg numbers were found and thus also a high value for the ratio of egg number per female length in Lake Panguipulli, whereas for M. araucanus a high value was found in Lake Pellaifa. These differences would presumably be associated with community structure, specifically predator-prey relationships and possibly other interactions, as, e.g., potential interspecific competition.
doi_str_mv 10.1163/15685403-00003881
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source JSTOR Archival Journals
subjects Aquatic crustaceans
Community structure
Copepoda
Crustaceans
Eggs
Fecundity
Females
Interspecific
Interspecific relationships
Lakes
Predator-prey interactions
Predators
Prey
Zooplankton
title First fecundity observations on female copepods from three northern Patagonian lakes (Pellaifa, Calafquén, Panguipulli; Chile)
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