Original Articles
Vol. 60 No. 2 (2001)
https://doi.org/10.4081/jlimnol.2001.1.189

Predatory impact of the mosquitofish (Gambusia holbrooki Girard) on zooplanktonic populations in a pond at Tenuta di Castelporziano (Rome, Central Italy)

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Received: 9 December 2011
Published: 1 August 2001
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zooplankton, fish predation, Gambusia holbrooki, pond

Authors

Fiorenza G. MARGARITORA
fiorenza.margaritora@uniroma1.it
, .
Ornella FERRARA
, .
Daria VAGAGGINI
, .
A study of a permanent pond located in a nature reserve in Central Italy was carried out over two periods (1985-87; 1995-98) to determine the structure and dynamics of planktonic biocoenosis. The composition of the zooplankton community was quite different in the two periods of study: in the first period, rotifers, small-bodied cladocerans and larval copepods were the dominant groups; in the second there was a shift from rotifers and microcrustaceans to dominance by large-bodied Daphnidae and adult copepods. The possibility is stressed that Gambusia holbrooki, present in 1985 and absent in 1995, may be responsible for the changes in the planktonic community.

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1.
MARGARITORA FG, FERRARA O, VAGAGGINI D. Predatory impact of the mosquitofish (Gambusia holbrooki Girard) on zooplanktonic populations in a pond at Tenuta di Castelporziano (Rome, Central Italy). J Limnol [Internet]. 2001 Aug. 1 [cited 2026 May 19];60(2):189-93. Available from: https://www.jlimnol.it/jlimnol/article/view/jlimnol.2001.1.189