{"refrec":{"BRefID":3534,"RR":"<b>Heip, C.H.R.; Smol, N.</b> (1976). On the importance of <i>Protohydra leuckarti</i> as a predator of meiobenthic populations, <b><i>in</i></b>: Persoone, G. <i>et al.</i> (Ed.) <i>Proceedings of the 10th European Symposium on Marine Biology, Ostend, Belgium, Sept. 17-23, 1975: 2. Population dynamics of marine organisms in relation with nutrient cycling in shallow waters.</i> pp. 285-296","BEntID":3534,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":", <b><i>in</i></b>: Persoone, G. <i>et al.</i> <i>Proceedings of the 10th European Symposium on Marine Biology, Ostend, Belgium, Sept. 17-23, 1975: 2. Population dynamics of marine organisms in relation with nutrient cycling in shallow waters. European Marine Biology Symposia,</i> 10(2): pp. 285-296","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Heip, C.H.R.; Smol, N.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Heip, C.H.R.; Smol, N.","Englishabstract":"The predator-prey system between the polyp <i>Protohydra leuckarti</i> and the harpacticoid copepod <i>Tachidius discipes</i> is investigated using the results of a 3 year field survey and laboratory experiments involving the cultivation of the species. In the field a close relationship between numbers of predator and prey was observed. The possible influence of environmental factors on this relationship is discussed.  A number of mathematical models is compared to investigate the possibility of realistic description of the system. 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