The process of primary productivity is as it follow:
When we speak of productivity in the field of ecology we refer to the degree of use of energy flows, both in an organism and in a community or in an ecosystem.
Primary productivity attends to the speed with which energy accumulates in the form of organic matter due to the photosynthetic activity of plants.
Primary producers are the organisms that bring energy into ecosystems. .
The gross primary production of an ecosystem is the total energy fixed by photosynthesis by plants.
Plants capture the light energy that comes from the sun and is converted into chemical energy to grow and develop, but they breathe in periods when they cannot obtain energy through photosynthesis because there is no light or because they have to keep the stomata closed.
The energy released in respiration reaction is stored in ATP and NADH that the cell can use for any process in which it needs energy.
For example, a humid and temperate meadow is capable of converting more light energy into biomass than a desert and, therefore, its production is higher.
Therefore, we can conclude that the process of primary productivity encompasses the total energy set by the process of photosynthesis in plants.
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