Tamilnadu BoardEnglish MediumSTD 12BIO BOTANYEcosystem.3 Marks
Question
What is secondary productivity? Explain its types.
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Answer
The amount of energy stored in the tissues of heterotrophs or consumers is called secondary productivity.
Gross secondary productivity: It is equivalent to the total amount of plant material ingested by the herbivores minus the materials lost as faces.
Net secondary productivity : Storage of energy or biomass by consumers per unit area per unit time, after respiratory loss is called net secondary productivity.
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