WebDefinition. The total amount of carbon compounds produced by photosynthesis of plants in an ecosystem in a given period of time. Web-primary productivity is the rate of primary production and carbon is the currency used to measure primary production. -gross primary productivity (GPP): total amount of carbon fixed by autotrophs that is dependent on photosynthetic rate.-photosynthetic rate is influenced by CLIMATE and LAI.
ESS Topic 2.3: Flows of Energy and Matter
WebGross primary productivity. The rate at which plants are able to store chemical energy via photosynthesis is referred to as gross primary productivity; Gross primary productivity is expressed using units of energy/mass per unit area per unit time. Time must be included as it is a rate; For example. Mj m –2 y-1 (megajoules per square metre per ... WebDec 23, 2024 · Terrestrial gross primary productivity (GPP) is the total amount of carbon dioxide (CO 2) assimilated by plants through photosynthesis and represents one of the main drivers of interannual … free tarifs fibre
Ecology Chapter 20 Flashcards Quizlet
WebStudy with Quizlet and memorize flashcards containing terms like A(n) ________ chemical reaction must absorb energy in order to proceed., The ________ law of thermodynamics states that when energy is transferred or transformed, part of the energy assumes a form that cannot pass on any further., _______ primary productivity is the total rate of … WebMar 28, 2024 · GPP (Gross Primary Production/Productivity) is defined as the measure of the total amount of produced organic energy using sunlight from the producers within … WebDec 3, 2024 · This dataset provides global monthly average gross primary productivity (GPP; g carbon/m2/d) modeled at 8 km spatial resolution for each of the 35 years from 1982-2016. GPP is based on the well-known … free tarif boxe