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  2. Photosynthetic efficiency - Wikipedia

    en.wikipedia.org/wiki/Photosynthetic_efficiency

    In actuality, however, plants do not absorb all incoming sunlight (due to reflection, respiration requirements of photosynthesis and the need for optimal solar radiation levels) and do not convert all harvested energy into biomass, which results in a maximum overall photosynthetic efficiency of 3 to 6% of total solar radiation. [1]

  3. CO2 fertilization effect - Wikipedia

    en.wikipedia.org/wiki/CO2_fertilization_effect

    Through photosynthesis, plants use CO 2 from the atmosphere, water from the ground, and energy from the sun to create sugars used for growth and fuel. [22] While using these sugars as fuel releases carbon back into the atmosphere (photorespiration), growth stores carbon in the physical structures of the plant (i.e. leaves, wood, or non-woody stems). [23]

  4. Terrestrial biological carbon cycle - Wikipedia

    en.wikipedia.org/wiki/Terrestrial_biological...

    Part of the net primary production, or the remaining carbon absorbed by the biosphere, is emitted back into the atmosphere through fires and heterotrophic respiration. The rest is converted into soil organic carbon, which is released more slowly, or "inert" dissolved carbon, which can remain in the biosphere for an unknown period of time. [3]

  5. Photosynthesis - Wikipedia

    en.wikipedia.org/wiki/Photosynthesis

    Plants absorb light primarily using the ... C 4 plants can produce more sugar than C 3 plants in conditions of ... in plants. The carbon reduction cycle is known ...

  6. Carbon sequestration - Wikipedia

    en.wikipedia.org/wiki/Carbon_sequestration

    The plants that makeup wetlands absorb carbon dioxide (CO 2) from the atmosphere and convert it into organic matter. The waterlogged nature of the soil slows down the decomposition of organic material, leading to the accumulation of carbon-rich sediments, [ clarification needed ] acting as a long-term carbon sink .

  7. Biomass partitioning - Wikipedia

    en.wikipedia.org/wiki/Biomass_partitioning

    Biomass partitioning is the process by which plants divide their energy among their leaves, stems, roots, and reproductive parts.These four main components of the plant have important morphological roles: leaves take in CO 2 and energy from the sun to create carbon compounds, stems grow above competitors to reach sunlight, roots absorb water and mineral nutrients from the soil while anchoring ...

  8. Atmospheric carbon cycle - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_carbon_cycle

    The two main carbon isotopes are 12 C and 13 C. Plants absorb the lighter isotope, 12 C, more readily than 13 C. [25] Because fossil fuels originate mainly from plant matter, the 13 C/ 12 C ratio in the atmosphere falls when large amounts of fossil fuels are burned, releasing 12 C.

  9. Fractionation of carbon isotopes in oxygenic photosynthesis

    en.wikipedia.org/wiki/Fractionation_of_carbon...

    Carbon on Earth naturally occurs in two stable isotopes, with 98.9% in the form of 12 C and 1.1% in 13 C. [1] [8] The ratio between these isotopes varies in biological organisms due to metabolic processes that selectively use one carbon isotope over the other, or "fractionate" carbon through kinetic or thermodynamic effects. [1]

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