The freshwater grass shrimp Palaemonetes antennarius in the diet of fish in Lake Bracciano (Central Italy) | Knowledge and Management of Aquatic Ecosystems

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Table 3

Correlations between P. antennarius cephalothorax length (CTL) and fish standard length of the 8 selected species divided per sampling year (significant values are in bold; ns = not significant). The two planktofagous species C. lavaretus and A. boyeri were omitted from the analysis, since no data on shrimp larval size and growth were available.



	1992		1994		1999		2003		2008

CTL vs. size of	R ²	P	R ²	P	R ²	P	R ²	P	R ²	P

A. anguilla			0.507	ns
E. lucius	0.684	<0.05	0.499	ns			0.339	ns
P. fluviatilis	0.843	<0.01			0.903	<0.01
M. salmoides							0.891	<0.01	0.911	<0.01
C. carpio	0.699	<0.05			0.526	ns
L. gibbosus							0.571	ns	0.308	ns
R. rubilio							0.377	ns	0.349	ns
T. tinca			0.714	<0.05			0.562	ns

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