It is necessary to increase the informational supply of land-use planning so it causes the significance of investigation. Different cartographic materials are important part of this supply. For reaching this goal, authors developed the method of landscape diversity cartographo-mathematical modelling using GIS-technology. During the process of investigation, we got following results. We developed the method of landscape diversity modelling. We defined indexes describing landscape diversity, including: fragmentation index of natural region enclosures (amount of enclosures by landscape area unit); landscape complexity index (amount of enclosures and natural regions by its average area unit); landscape fragmentation index (ratio of average area of landscape enclosure to landscape area), pattern index (average amount of natural region enclosures to one group); Margalef and Menchinik indexes (relative abundance of natural region groups). We proposed the relationship for landscape diversity integrated index calculation and developed the quality determination scale for its evaluation. We tested the method on the East of Leningrad region including 16 landscapes (grouped to 5 types) and 1876 natural region enclosures. Landscape maps were main materials for investigation. Obtained results of landscape diversity evaluation have no contradictions with other researchers’ works.
The article contains information on the breeding of Heracleum Sosnowskyi for cultivation as a forage crop in the post-Soviet period. Information about the ecological danger of the spread of this plant is given. Its juice contains furocoumarins, which, when exposed to human skin under the influence of ultraviolet rays, cause serious burns on the surface of the body. The article presents materials testifying to the increased adaptability of the Heracleum Sosnowskyi to the habitat conditions and its high fertility. The spread of Heracleum Sosnowskyi in urban areas (in parks, playgrounds on undeveloped lands, etc.), as well as in rural settlements of the country, due to the environmental hazard for people, leads to the removal of land from economic circulation. The authors of the article have established the regions and reasons for the spread of Heracleum Sosnowskyi in the European part of Russia. The substantiation of the monitoring of lands for the registration of habitats of this dangerous for the ecosystem is given. The article provides information on assessing the extent of the spread of Heracleum Sosnowskyi in the territory using remote sensing using unmanned aerial vehicles. The article discusses measures to combat Heracleum Sosnowskyi.
The article considers the structural and logical scheme of the methodology for creating electronic soil maps for land management engineering based on analog archival cartographic materials. The proposed scheme includes seven blocks: 1) building frames for 1:50,000 scale topographic map sheets in the geoinformation environment “Map 2011”; 2) scanning analog topographic maps with a scale of 1:50000; 3) binding a bitmap images of topographic maps to the sheet frames and cropping the frame image; 4) converting data from the GIS “Map 2011” to the GIS “MapInfo”; 5) scanning of archive analogue 1:10,000 scale soil maps and their binding to electronic 1:50000 topographic map in GIS “MapInfo”; 6) defining precision of referencing the raster 1:10,000 scale soil map to topographic 1:50,000 scale map; 7) bitmap image vectorization of a 1:10000 scale soil map in the GIS “MapInfo”. The content of methodology’s each block is disclosed. The developed methodology can be used for cartographic support of land management engineering and territorial planning.
The article provides materials on the natural restoration of land cover in the territory occupied by the waste storage facility of the pulp and paper industry. The article contains information on the level of soil fertility formed on this territory as a result of decomposition of organic waste over 25 years. The composition of the phytocenosis is presented. The article provides materials on the ecological state of the studied object, and also considers the technological operations of reclamation of an authorized landfill in the areas of forestry and recreational land use, taking into account the ecosystem formed at the storage facility.
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