On the territory of our country, in foreign Europe, North America, some regions there are outcrops calcareous rocks. The high endemism and same rare plant species concentration characteristic features such landscapes. results elemental composition primary assessment aboveground underground organs three from biotopes Samara region given. Three were chosen for studies: obligate calcephite Gypsoph...

Little published information exists on the ecology of Stubbendorf’s Apollo (Parnassius stubbendorfii Ménétries, 1849), a species listed as threatened in Mongolia. To help fill this gap, we provide population size estimate and habitat characteristics for P. an area just west Lake Khubsgul, On July 6 7, 2020 used aerial nets to capture mark individuals using fine-tipped, permanent marker then siz...