Seasonal population dynamics of the monogeneans Quadriacanthus kobinensis parasitising Clarias fuscus in Pearl River, China

mean water temp. (°C)	No. of fish sampled	Length of fish (Mean ± SE) (cm)	Prevalence (%)	No. of parasites	Mean Intensity (SE) Max	Abundance(SE)
Spring 19.8	91	22.1 ± 0.3	62.64	661	11.6(2.1)69	7.3(1.4)
Spring 19.8	91	13.0 – 30.0	62.64	661	11.6(2.1)69	7.3(1.4)
Summer 30.7	77	23.2 ± 0.4	70.13	1984	36.7 (7.7)	221 25.8 (5.7)
Summer 30.7	77	15.1 – 31.9	70.13	1984	36.7 (7.7)	221 25.8 (5.7)
Autumn 24.4	92	22.9 ± 0.5	53.26	2115	43.2 (11.7)	474 23.0 (6.6)
Autumn 24.4	92	13.7 – 32.5	53.26	2115	43.2 (11.7)	474 23.0 (6.6)
Winter 15.6	81	22.3 ± 0.3	60.49	1281	26.1 (5.9) 265	15.8 (3.8)
Winter 15.6	81	14.6 – 29.8	60.49	1281	26.1 (5.9) 265	15.8 (3.8)

The seasonal fluctuation of aggregation indices of Q. kobinensis in host

	Infection intensity	S²	S²/X	K	M^*	I∮
Spring	0 – 69	189.69	26.13	0.29	32.39	4.42
Summer	0 – 221	2512.97	97.52	0.27	122.29	4.70
Autumn	0 – 474	3999.04	173.95	0.13	195.94	8.45
Winter	0 – 265	1192.03	75.40	0.21	90.21	5.65

The seasonal frequency distribution indices of Q. kobinensis in host

DOI: https://doi.org/10.1515/helmin-2015-0070 | Journal eISSN: 1336-9083 | Journal ISSN: 0440-6605

Language: English

Page range: 105 - 108

Submitted on: Mar 24, 2015

Accepted on: Sep 7, 2015

Published on: Mar 10, 2016

Published by: Slovak Academy of Sciences, Institute of Parasitology

In partnership with: Paradigm Publishing Services

Publication frequency: Volume open

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© 2016 J. J. Hu, H. Y. Li, published by Slovak Academy of Sciences, Institute of Parasitology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.