Net Primary Productivity
Net primary production is the basis of all ecosystem services
Net primary production (NPP) is the amount of biomass or carbon produced by primary producers per unit area and time, obtained by subtracting plant respiratory ...
Energy flow & primary productivity (article) - Khan Academy
Net primary productivity, or NPP, is gross primary productivity minus the rate of energy loss to metabolism and maintenance. In other words, it's the rate ...
Net Primary Production - an overview | ScienceDirect Topics
Net primary production (NPP) is strictly defined as the difference between the energy fixed by autotrophs and their respiration, and it is most commonly ...
Net primary productivity (NPP) - UN-REDD Programme
Net primary productivity (NPP). Definition. The amount of carbon retained in an ecosystem (increase in biomass); it is equal to the difference between the ...
Primary production - Wikipedia
Gross primary production and net primary production · Gross primary production (GPP) is the amount of chemical energy, typically expressed as carbon biomass, ...
Net primary productivity - Definition and Examples - Biology Online
Net primary productivity is the difference between the total energy that is fixed by the autotrophs and the energy expensed as their own ...
Net primary productivity | biology - Britannica
Net primary productivity, gross primary productivity less that used by plants in respiration, is approximately 10 metric tons per hectare per ...
Primary productivity in ecosystems (video) - Khan Academy
Net primary productivity (NPP) is the difference between the amount of carbon dioxide that plants take in and the amount of oxygen they release during ...
Net Primary Productivity - Atlas of the Biosphere
Net Primary Productivity (NPP) is the net amount of energy a plant accumulates during a time period.
Monthly Net Primary Productivity - NASA Scientific Visualization Studio
Plants play an important role in the movements of carbon dioxide throughout Earth's environment. Living plants both take in carbon dioxide ...
Net Primary Productivity - YouTube
Made for Education Perfect Ltd. Suitable for students of AUS Junior Geography or Earth Science. 'Oxygen Garden' by Chris Zabriskie is ...
What is Net Primary Productivity? - BYJU'S
Net primary productivity (NPP) refers to the rate of the accumulation of energy in the form of biomass. It excludes energy lost in the metabolic processes.
The global distribution of net primary production: resolving the paradox
Conceptually, NPP is simply the total amount of carbon that a plant converts to sugar and its derivatives through photosynthesis and subsequent ...
Using data collected between 1982-98 by the NOAA Advanced Very High Resolution Radiometer, the researchers calculated the total amount of carbon ...
The allocation of ecosystem net primary productivity in tropical forests
The remainder is available for the construction of organic material (NPP). The ratio of NPP to GPP is often termed the carbon use efficiency (CUE), which ...
Human Appropriation of Net Primary Productivity (HANPP) | SEDAC
Human appropriation of net primary productivity (HANPP), through the consumption of food, paper, wood and fiber, alters the composition of the atmosphere, ...
Forest Biomass and Primary Productivity
NPP = ∆B + M + H + L + V,. where ∆B is net change in biomass and M, H, L, and V are losses of organic matter from plant tissues owing to mortality, ...
Terrestrial Primary Production: Fuel for Life | Learn Science at Scitable
While gross primary production (GPP) is the total influx of carbon into an ecosystem through the photosynthetic fixation of CO2, net primary production (NPP) is ...
Primary productivity in ecosystems| Matter and Energy Flow - YouTube
... Net primary productivity is the rate of energy storage by photosynthesizers in a given area, after subtracting the energy lost to ...
A case study in the Bailong River Basin, China - ScienceDirect
Net primary productivity (NPP) is an important indicator of regional vegetation growth status and ecosystem health. In the ecologically fragile Bailong ...