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How do you calculate GPP?

Updated: 9/17/2023
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Q: How do you calculate GPP?
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How do you calculate NPP?

GPP (gross primary production) minus cellular respiration.


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What is GPP?

a gpp is a general purpose package for instance ... Word processing, Spreadsheets, Power points,Databases and graphic packages.


Does temperature change affect GPP and NPP?

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Is general professional partnership taxable?

a gpp shall not be subject to income tax but is required to file annual tax return or annual information return for the purpose of furnishing information as to the items of gross income, deductions and the names TINs, addresses and share of each of the partners..BUT partners in a gpp shall be liable for income tax in their separate and individual capacities..


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How is lai related to npp and gpp?

Both are vegetation variables. LAI determines the the amount of m2 leaves per m2 whereas GPP is gross production meaning new vegetation produces (plus respiration). In this way there is logically a relationship. On the other hand you can have a plant with a big LAI that is actually very low producing or you can have a plant with a little LAI that is very productive. It all depends on the species...


What is Gross primary production?

The rate at which an ecosystems producers covert solar energy into chemical energy (in the form of biomass). To Solve : GPP = NPP + R (R - Respiration)


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How do you calculate net primary production?

by using light bottle and dark bottle method 1) Net primary production (NPP)= light -intial 2) Respiration=intial -dark 3)Gross Primary Production(GPP)=light -dark initial -oygen level in the experiment water body initially light -oxygen level in the light bottle after 1 day dark-oxygen level in the dark bottle after 1 day


What is the difference between GPP and NPP?

Gross primary production (GPP) is the rate at which an ecosystem's producers capture and store a given amount of chemical energy as biomass in a given length of time. Some fraction of this fixed energy is used by primary producers for cellular respiration and maintenance of existing tissues (i.e., "growth respiration" and "maintenance respiration").[1] The remaining fixed energy (i.e., mass of photosynthate) is referred to as net primary production (NPP).NPP = GPP - respiration [by plants]Net primary production is the rate at which all the plants in an ecosystem produce net useful chemical energy; it is equal to the difference between the rate at which the plants in an ecosystem produce useful chemical energy (GPP) and the rate at which they use some of that energy during respiration. Some net primary production goes toward growth and reproduction of primary producers, while some is consumed by herbivores.Both gross and net primary production are in units of mass / area / time. In terrestrial ecosystems, mass of carbon per unit area per year (g C/m2/yr) is most often used as the unit of measurement.