The Ukrainian Registered Cossacks post of Hetman by its decree. Cossacks elected unanimously to this post a well-known scientist, Anatoliy Ivanovich Shevchenko, Corresponding member of the National Academy of Science of Ukraine, Ph Doctor of Technical Science, Ph Doctor of Theology, rector of the State University of Information Technology and Artificial Intelligence, and attached to MES of Ukraine. The motto of the old Registered Cossacks was “Keep Honour – Build Glory!”, but the motto of modern Registered Cossacks is “Towards a Powerful State and Prosperity of the Ukrainian People Through Spirituality and Patriotism of Each Person”. The URC are registered with provincial, municipal, district
Population ecology in a population can be described as: where "N" is the total number of individuals in the population, "B" is the raw number of births, "D" is the raw number of deaths, "b" and "d" are the per capita rates of birth and death respectively, and "r" is the per capita average number of surviving offspring each individual has. This formula can be read as the rate of change in the population ("dN/dT") is equal to births minus deaths (B - D). Using these techniques, Malthus' population principle of growth was later transformed into a mathematical model known as the