Textbook: Chapter 23 - Biogeochemical Cycles Flashcards

1
Q

Ammonification

A

Breakdown of proteins and amino acids, especially by fungi and bacteria with ammonia as the excretory by-product

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2
Q

Biogeochemical cycle

A

Movement of elements or compounds through living organisms

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3
Q

Dryfall

A

Nutrients brought into an ecosystem by airborne particles and aerosols

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4
Q

Denitrification

A

Reduction of nitrates and nitrites to nitrogen by microorganisms

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5
Q

Net ecosystem productivity

A

Difference between the rates of net primary productivity and carbon lost through consumer and decomposer respiration

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6
Q

Nitrification

A

Breakdown of nitrogen-containing organic compounds into nitrates and nitrites

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7
Q

Stoichiometry

A

Branch of chemistry dealing witht eh quantitative relations of elements in combination

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8
Q

Wetfall

A

Component of acid deposition that reaches Earth by some form of precipitation; wet deposition

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