THE MODELS RESOURCE-CONSUMER TAKING INTO CONSIDERATION THE QUANTITATIVE CHANGES OF RESOURCE

The authors consider three interaction models ''resource - consumer''. ''Null model'' is basic for the rest ones because in its frame the an tibiosis of feeding objects does not take into consideration. Accordin g to reparation model feeding objects be either accessible for consump tion or exist in reparation state if the high concentration of protect ion substances does not allow the population of consumers to continue feeding. Complicated model includes three states of feeding object: it is accessible and not attacked by insects, it is accessible and attac ked and feeding object exists in reparation state. This model takes in to consideration a set of different effects, for instance the effect o f slow development of reparation processes. The changes taking place u nder pollution influence with different parameters of ''resource - con sumer''interaction are characterised. The authors suggest the classifi cation of different ''resource - consumer'' models based on resource c haracters. All models show the exponential decrease in the portion of non-damaged feeding objects while they contact with consumers. Change of this portion allows to measure the rate of consumer attack, whereas the dynamic of total number of damages characterizes the reparation c haracteristics. The authors investigate the damage of Populus leaves b y insects in plots situated in Krasnoyarsk in regions with different a ntropogenic influence. The dynamic of damages shows the high degree of consent with the models. They can be useful for entomological indicat ion to evaluate the state of separate trees or the whole stand.