Chemistry, Soils, Agriculture, Biology, Geography, Ecology, Agricultural sciences, Biological sciences, Earth sciences, Physical sciences, Biodegradation, Biodegradability, Agrology, Agronomy, Alaska, Biocenosis, Biogeochemistry, black spruce, boreal forest, Boreal forests, Botany, Carbon, Chemical properties, decomposition, Dissolved organic carbon, Dissolv...
CO2, CO 2, global warming, climate change, greenhouse effect, greenhouse effect gases, emisiones de gases de efecto invernadero, carbon dioxide