OPEN SOFTWARE ILWIS USAGE FOR MONOCULTURE MAPPING AT INTENSIVE CROPPING IN CRIMEA
Applying instruments of remote sensing (RS) data processing for crop monoculture mapping and estimation of the tendencies of this technology spreading in Crimea were the goal of the investigation. RS data usage for crop area mapping is widely spread all over the world and are relevant, including monitoring and evaluation of dynamics of land cover changes in Crimea, especially taking into account transferring to rainfed agriculture system. Monoculture crop growing has its own specific and requires an additional attention to such territories due to additional risks, first of all, related to the process called “biodiversity reduction”. Possibilities and features of monoculture mapping procedure with usage of open source software ILWIS have been considered in this article. Multichannel Landsat 8 data were used for 2013-2016 periods to analyze of monoculture areas spreading, and processed with use of crop classification for rural territories, and both “supervised” and “unsupervised” methodology has been applied. Results of the investigations showed that at the current level of monoculture growing in Crimea, besides basic algorithms of the classification for its mapping, simplified analysis based on the data of the normalized difference vegetation index NDVI can be applied.