|
|
Mravenci Formica foreli a konkurenční prostředí v superkolonii na lokalitě Štěměchy
Ošlejšková, Kateřina
In this diploma thesis, the results of Formica foreli Bondroit, 1918, and other ant species in the area of Štěměchy, interspecies relations study are presented. The ant Formica foreli, belonging to subgenus Coptoformica, is a species occured only at stabil and biologicaly valuable sites. Nowadays it occures only in the six locations on the territory of the Czech Republic. Investigated complex of nests, located in Vysočina region, contains 654 nests and at present it is the largest polycalic complex of the nests of this type in the Czech Republic. Collection by ground traps results, confrontation of two worker ants in an artificial arena experiments and competitive interactions on the bait observation, demonstrated, that there is wide spectrum of other ant species in the area, which indicates of good trophy of the site. Further, the results promoted a hypothesis, that thanks to the polycalic nest character, Formica foreli species ocupies the supreme position in hierarchic organization of the whole area.
|
guest ::
