How Is Net Ecosystem Production (NEP)typically Estimated in Ecosystems

question 19

Multiple Choice

How is net ecosystem production (NEP) typically estimated in ecosystems?

• A) the ratio of producers to consumers
• B) the amount of heat energy released by the ecosystem
• C) the net flux of CO₂ or O₂ in or out of an ecosystem
• D) the rate of decomposition by detrivores
• E) the annual total of incoming solar radiation per unit of area

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Definitions:

Double Declining-balance

An accelerated method of depreciation where an asset's book value is reduced at double the rate of its straight-line depreciation.

Accelerated Depreciation

A method of depreciation used for accounting or income tax purposes that allows higher deductions in the earlier years of the useful life of an asset.

Depreciation Expense

The systematic allocation of the cost of a tangible asset over its useful life, reflecting the asset's consumption, wear and tear, or obsolescence.

Residual Value

The estimated value of an asset at the end of its useful life, important in calculating depreciation and lease contracts.