Environmental Management Unit 4 Vocab

Front

Change in structure and species composition of communities and ecosystems due to environmental changes.

Back

Succession

Front

Type of succession starting with no soil after volcanic eruptions or glacial retreats.

Back

Primary

Front

Type of succession starting with soil after disruptions like fire, logging, or mining.

Back

Secondary

Front

Interruption to succession caused by humans

Back

Plagioclimax

Front

Rate of biomass production in an ecosystem

Back

Productivity

Front

Total mass of organisms in an area or volume

Back

Biomass

Front

Rate at which ecosystem producers convert solar energy to chemical energy and biomass

Back

Gross Primary Productivity

Front

Rate at which producers convert solar to chemical energy, minus energy used for respiration.

Back

Net Primary Productivity

Front

Animal that feeds on others for energy: predators (sharks), herbivores (manatees), suspension feeders (mussels), grazers (sea urchins)

Back

Consumer

Front

Describes feeding relationships between organisms in a linear sequence.

Back

Food Chain