In a temperate grassland ecosystem, total primary production was 12,740 g/m"/yr. Annual net secondary production by the herbivorous insect community was 320.5 g/m/yr. Total net tertiary production by spiders was 22.6 g/m2/yr. Is productivity biomass-based or productivity-based?

In a temperate grassland ecosystem, total primary production was 12,740 g/m"/yr. Annual net secondary production by the herbivorous insect community was 320.5 g/m/yr. Total net tertiary production by spiders was 22.6 g/m2/yr. Is productivity biomass-based or productivity-based?

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter46: Ecosystems

Section: Chapter Questions

Problem 1VCQ: Figure 46.8 Why do you think the value for gross productivity of the primary producers is the same...

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Question

In a temperate grassland ecosystem, to tal primary production was 12,740 g/m/yr. Annual net
secondary pro duction by the herbivorous insect community was 320.5 g/m2/yr. Total net tertiary
production by spiders was 22.6 g/m/yr. Is productivity biomass-based or productivity-based?

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