: Use standard colors—often shades of red or purple for highly polluted zones and green for protected natural areas.

For students in the 8th grade working with the , the ecological contour map is a key assignment focusing on the environmental state of Russia. This map requires visualizing how human activity impacts different regions through pollution, resource depletion, and conservation efforts. Key Objectives of the Ecological Map

: Major industrial centers, mining sites, and areas affected by oil spills or chemical waste.

Reshak offers a page-by-page breakdown of the Sirotin workbook, including the contour maps.

: The locations of Russia’s primary "Zapovedniks" (nature reserves) and national parks intended to preserve biodiversity.