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Net primary productivity is ul("GPP+R")...

Net primary productivity is `ul("GPP+R")`

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GPP-R
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ul("Net primary productivity") is calculated by taking into consideration gross primary productivity and photosynthesis. Comment.

Read the given statements and select the correct option. Statement 1: Net primary productivity is less than the gross primary productivity. Statement 2 : Net primary productivity is equal to the gross primary productivity minus the respiration losses.

Primary productivity depends upon

The biomass available for consumption to heterotrophs and the rate formation of new organic matter by consumers are defined as (a) gross primary productivity and net primary productivity respectively (b) net primary productivity and gross primary productivity respectively (c) gross primary productivity and secondary productivity respectively (d) net primary productivity and secondary productivity respectively.

The annual net primary productivity of the whole biosphere is approximately

Succession in a forest ecosystem is characterised by chnages in species diversity , biomass and net primary productivity as shwon in the graph below, identify curves A,B and C.

Assertion: Amount of organic matter synthesized by producers per unit time and per unit area during the process of photosynthesis referred to as net primary productivity. Reason: Primary productivity is usually high and sustained throughout the year in temperate areas due to abundance of sunlight.

Match column I with column II and select the correct option from the given codes. {:("column I","Column II"),("Gross primary productivity",(i)"Self-sustainable"),("Net primary productivity",(ii)"Aquatic ecosystem"),("Pond",(iii)O_(2)"requiring process"),("Aquarium",(iv)"Photosynthetic production"),("Decompositon",(v)"Available to secondary consumers"):}

ARIHANT PUBLICATION-ECOSYSTEMS-PART I (Ecosystem : Structure and Function) (Questions For Assessment) (Very Short Answer Type Questions) (Correct the statements, if required, by changing the underlined word)
  1. The raw material for decomposition is called ul("vermicompost").

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  2. Net primary productivity is ul("GPP+R")

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