Madaras László – Szabó László – Tálas László szerk.: Tisicum - A Jász-Nagykun-Szolnok Megyei Múzeumok Évkönyve 8. (1993)

Kalivoda Béla: Kísemlős faunisztikai és populációdinamikai összehasonlítóvizsgálatok Jász-Nagykun-Szolnok megyében gyöngybagoly (Tito Alba)köpetek alapján

During the analyses I unify categories and give rodent (roles, mice) and shrews, and - when estimated proportions of them in the samples they are missing - some passerines, which need and they are included in Charts 7,8. Besides es- another strategy to look for prey. These three timating proportions 1 instroduce the method of groups form the majority of the samples corncorrelating analysis In an example. The results of pensating one another. this are shown in Charts 3,4. I summarized the The method of counting similarities called atdivision of prey categories in food in Chart 9. I tention to the fact that we can draw the right characterized the certain samples in Chart 10. conclusion on the basis of researching intact with their diversity. As the next step I compared balls together with broken fragments, because the samples in pairs. The result of this can be the combination of the samples from Nagyiván, found in Charts 11,12, and in Fig. 5-6. I had ex- 1986 showed aesignificant differential. This metpected and actually received mainly methologi- hod has turned out to be highly suitable to decal results from my previous researches but I al- monstrate the correlation of samples in time and so could have a look at the form of the field. The results of counting diversity support the researched territories. I realised that we need at position of the certain samples. They also reflect last 100-150 samples containing any prey. The the habitat structure of the prey animals, concrete results of the analysis of the previous As a final conclusion, I realised that the resesamples made it sure that the samples can be arch of the balls of barn owls is suitable for evalued and differentiated quite well, with the phannistical and population-dynamical purposes help of the methods outlined in the theoretical in the case of every species of mice and shrews part. We can also get numerous valuable infor- and the geni of Pitymys- and Microtus in Hunmation from them. gary. It is suitable also for phaunistical purposes Considering the data in literature we can say in the case of Rattus. Clethorionomys and Arvithat the most important points of view in choo- cola species but not for evaluing population sing food are manageability, energy 5-50 (mainly dynamics, about 20 gr) meet the requirements, that is little 30