Efremova Tamara Timofeevna, born 27 February 1937. Graduated from Krasnoyarsk State Pedagogical Institute (at the present time – V. P. Astafiev Krasnoyasrsk State Pedagogical University) Faculty of Natural Sciences and Chemistry (at the present time – Faculty of Biology, Geography, and Chemistry), with a specialty «Teacher of Chemistry, Biology and Bases of Agriculture» (1960). Doctor of Biological Sciences in Soil Science (1990). DSc thesis: «The humus and structure formation in forest peat soils of Western Siberia». Since 1965 year and currently research scientist for V. N. Sukachev Institute of Forest, Russian Academy of Sciences, Siberian Branch, since 1991 year in the position of Leading Research Scientist, currently for the Laboratory of Forest and Soil Science. Research interests in carbon biogeochemistry and transformation of organic matter in the peat soils, principles of structure formation in forest peat soils, the evolution of soil environment on forest swamps under the influence of reclamation, peat fires and industrial emissions, soil factors of wetland forest productivity, the spatial variation of the types and properties of litter by methods of geostatistical analysis, the evaluation of edaphic factor role in the formation of the chemical composition of bog water. Expert in ecology of forest wetlands. Author of 214 scientific publications, including three books. Some of them: «Soils formation under the natural afforestation of drained bogs»; «Structure formation in the peat soils», Novosibirsk, 1992 (in Russian); «Carbon in the forest ecosystems and wetlands of Russia», Krasnoyarsk, 1994 (in Russian and in English); «Formalized analysis of associativity of morphogenetic types and humus condition of ground litter in marsh birch forests» In «Contempor. Probl. Ecol.», 2013; «Geostatistical analysis of the spatial variation of the ash reserves in the litter of bog birch forests in Western Siberia» In «Euras. Soil Sci.», 2014; «Spatial structure of acid properties of litter in the succession row of swamp birch woods» In «Biol. Bull.», 2014.
Total eLibrary.ru citations – 512; eLibrary.ru Hirsch index – 9.