Determination of especially important territories for the biodiversity conservation using spatial analysis

Integrated analysis of rare and endangered species spreading from Regional Red Data Books is an indispensable condition in the metter of biodiversity territorial conservation planning. Analysing Tver regional Red Data Book we've determined some creteria for rare and endangered species habitats value, have invented method, which gives an opportunity to use technology of spatial analysis in defining and ranging especially important territories of Tver region from the biodiversity conservation point of view.