Qualitative and quantitative investigation of the Zooplankton in fish ponds
Keywords:
Zooplankton, fish pond, natural yieldAbstract
Investigations on two Hungarian pond systems aimed to evaluate Zooplankton species as a utilizable feed source for common carp of different age-groups. Eight samples from six ponds were taken during the rearing season; number and biomass were determined per species and taxonomic group. Traditional quantitative analysis is based on taxonomic grouping. Zooplankton species were assigned to two size-groups of below and above 500 microns. Altogether 38 species were identified: 6 of above 75% incidence, 6 between 50 and 75% and 8 between 10 and 50%. For practical reasons relating to production biology only 7–8 species have a determinant role in carp feeding. The biomass data show that the incidence of Rotatoria-size plankton – according to taxonomic grouping and according to size – was lower than that of the other two groups. In our grouping – abundance – species smaller than 500 microns represented the larger part of Zooplankton throughout the entire rearing period. In the group above 500 microns Copepoda proved more important as natural feed for the different age-groups of carp than Cladocera (except carp-grass carp biculture). Grouping of Zooplankton according to size seems to be a much more informative method for evaluating available carp feed than taxonomic classification. The latter also has to be maintained as an important source of information on the biological water quality and the production biology status of fish ponds.
References
Bottrell, H. H., Duncan, A., Gliwicz, Z. M., Grygierek, E., Herzig, A., Hillbricht-Ilkowska, A., Kurasawa, H., Larsson, P., Weglenska, T. (1976). A review of some problems in zooplankton production studies. Norw. J. Zool., 24. 419–456.
Dumont, H. J., Van de Welds, J., Dumont, S. (1975). The Dry Weight Estimate of Biomass in a Selection of Cladocera, Copepoda and Rotifera from the Plankton, Periphyton and Benthos of Continental Waters. Oecologia, 19. 75–97. https://doi.org/10.1007/BF00377592
Felföldy, L. (1987). A biológiai vízminősítés. Vizügyi Hidrobiológia VIZDOK. 1–180.
Fry, D. L., Osborn, I. A. (1980). Zooplankton abundance and diversity in Central Florida grass carp ponds. Hydrobiologia, 68. 145–155. https://doi.org/10.1007/BF00019700
Grigierek, E., Wasilewska, B. E. (1978). The feed fauna of fish in ponds with heated and exchanged water. Ekologia Polska, 1. 71–83.
Gulyás, P. (1974). Az ágascsápu rákok (Cladocera) kishatározója. Vízügyi Hidrobiológia. VIZDOK. 1–160.
Horváth, L., Tamás, G., Seargave, C. H. (1992). Carp and Pond Fish Culture. Fishing New Booles. Blankwell Sci. Publ. Ltd. Cambridge.
Hyslop, E. J. (1980). Stomach contents analysis – a review of methods and their application. Journal Fish Biology, 17(4), 411–429. https://doi.org/10.1111/j.1095-8649.1980.tb02775.x
Körmendi, S. (1989). A higfázisu mezőgazdasági melléktermékek hasznosítása zooplanktonnal. Szaktanácsok, 2–3. 37–40.
Körmendi, S., Varga, L. (1998). Zooplankton vizsgálata dél-dunántúli halastavakban. XXXX. Hidrobiológus Napok, Tihany.
Murtaugh, P. A. (1989). Size and Speries Composition of Zooplankton in Experimental Ponds With and Without Fishes. Journal of Freshwater Ecology, 5(1), 27–37. https://doi.org/10.1080/02705060.1989.9665210
Pejler, B. (1995). Relation to habitat in rotifers. Hydrobiologia, 313. 267–278. https://doi.org/10.1007/BF00025959
Prikryl, I., Janecek, V. (1982). The effect of Feed Consumption on the Amount of Natural Food in Ponds Stocked with Carp. Bul. VURH, Vodnany., 20–26.
Prinkyl, I. (1986). Evaluation of the size Structure of Zooplankton and the Possibility of its Use in Pond Fish Culture. Bul VUHR, Vodnany., 21–30.
Ruttner-Kolisko, A. (1977). Suggestions for biomass calculation of plankton rotifers. Arch. Hydrobiol. Beih. Ergebn. Limnol., 8. 71–76.
Spataru, P. (1977). Gut contents of silver carp - Hypophthalmichthys molitrix (Val.) - and some trophic relations to other fish species in a polyculture system. Aquaculture, 11(2), 137–146. https://doi.org/10.1016/0044-8486(77)90071-0
Spataru, P., Wolfarth, G. W., Hulata, G. (1983). Studies on the natural food of different fish species in intensively manured polyculture ponds. Aquaculture, 35. 283–298. https://doi.org/10.1016/0044-8486(83)90101-1
Specziár, A., Tölg, I., Bíró, P. (1997). Feeding strategy and growth of cyprinials in the littoral zone of Lake Balaton. Journal Fish Biology, 51(6), 110–124. https://doi.org/10.1111/j.1095-8649.1997.tb01130.x
Stenson, I. A. E. (1982). Fish impact on ratife community structure. Hydrobiologia, 87. 57–64. https://doi.org/10.1007/BF00016662
Tasnádi, R. (1983). Haltakarmányozás. Mez gazdasági Kiadó, Budapest, 1–306.
Windell, I. T., Bowen, S. H. (1978). Methods for Study of Fish Diets Based on Analysis of Stomach Contents. In “Methods for the Assessment of Fish Production in Fresh Waters. Oxford, Blackwell Scientific Publ., 219–226.
Zaret, T. M., Kerfoot, W. C. (1975). Fish predation on Bosmina longirostris: Body-size predation versus visibility predation. Ecology, 56(1), 232–237. https://doi.org/10.2307/1935317
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