cycle of nutrients

См. также в других словарях:

• Nutrient cycle — …   Wikipedia

• Cell cycle — For the separation of chromosomes that occurs as part of the cell cycle, see mitosis. For the Academic journal, see Cell Cycle. Each turn of the cell cycle divides the chromosomes in a cell nucleus. The cell cycle, or cell division cycle, is the… …   Wikipedia

• Biogeochemical cycle — A commonly cited example is the water cycle. In ecology and Earth science, a biogeochemical cycle or substance turnover or cycling of substances is a pathway by which a chemical element or molecule moves through both biotic (biosphere) and… …   Wikipedia

• nutrient cycle —   the movement of nutrients in the ecosystem between the three major stores of the soil, biomass and litter. Nutrients are taken up from the soil by plant roots to produce biomass. In its simplest form this then dies and falls to the ground where …   Geography glossary

• Citric acid cycle — Overview of the citric acid cycle The citric acid cycle also known as the tricarboxylic acid cycle (TCA cycle), the Krebs cycle, or the Szent Györgyi Krebs cycle[1] …   Wikipedia

• Nitrogen cycle — Schematic representation of the flow of nitrogen through the environment. The importance of bacteria in the cycle is immediately recognized as being a key element in the cycle, providing different forms of nitrogen compounds assimilable by higher …   Wikipedia

• Phosphorus cycle — The phosphorus cycle is the biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere. Unlike many other biogeochemical cycles, the atmosphere does not play a significant role in the… …   Wikipedia

• Human impacts on the nitrogen cycle — Agricultural and industrial nitrogen (N) inputs to the environment currently exceed inputs from natural N fixation (Galloway 2003). As a consequence of anthropogenic inputs, the global nitrogen cycle (Fig. 1) has been significantly altered over… …   Wikipedia

• carbon cycle — noun Date: 1912 1. the cycle of carbon in the earth s ecosystems in which carbon dioxide is fixed by photosynthetic organisms to form organic nutrients and is ultimately restored to the inorganic state (as by respiration, protoplasmic decay, or… …   New Collegiate Dictionary

• carbon cycle — n the cycle of carbon in living beings in which carbon dioxide is fixed by photosynthesis to form organic nutrients and is ultimately restored to the inorganic state by respiration and protoplasmic decay * * * the steps by which carbon (in the… …   Medical dictionary

• nitrogen cycle — /ˈnaɪtrədʒən saɪkəl/ (say nuytruhjuhn suykuhl) noun the continuous circulation of nitrogen and nitrogen compounds in nature between the atmosphere, the soil, and the various organisms to which nitrogen is essential. The nitrogen cycle describes… …