The influence of soil salinization on land use changes in azov district of Rostov oblast

Resumo

A retrospective monitoring of changes in land use on cultivated salt-affected soils of Azov district in Rostov oblast for a period from 1968 to 2013 was performed within the framework of the creation of a problem- oriented system of retrospective monitoring of the soil cover and land uses. A higher dynamism of land uses on salt-affected soils in comparison with that on nonsaline soils was shown. A decisive role of the anthropogenic factor in the increasing soil salinization in the region was established. The areas of meadow ecosystems with participation of salt-affected soils considerably increased at the end of the 1960s–the beginning of the 1970s. It is argued that their development with a corresponding worsening of the salt status of regional soils was initiated by the wide-scale planting of shelterbelts in the 1940s and 1950s.