Plants absorb 340000 kcal/m2 /yr sunlight incident on a community in the region. The absorbed light results in a net plant production of 8833 kcal/m2/yr and evapotranspiration of 11977 kcal/m2 /yr. The herbivores consume 3368 kcal/m2 /yr of plant mass and additional intake of 536 kcal/m2/yr from other sources respiring 1760 kcal/m2 /yr of it. 1478 kcal/m2 /yr die of natural causes with the remaining eaten up by the carnivores, provide a net production of 37 kcal/m2 /yr for this higher tropic level with respiration of the former level amounting to 216 kcal/m2/yr. Estimate the trophic efficiencies for the producers, primary and secondary consumers of this food chain.
Plants absorb 340000 kcal/m2 /yr sunlight incident on a community in the region. The absorbed light results in a net plant production of 8833 kcal/m2/yr and evapotranspiration of 11977 kcal/m2 /yr. The herbivores consume 3368 kcal/m2 /yr of plant mass and additional intake of 536 kcal/m2/yr from other sources respiring 1760 kcal/m2 /yr of it. 1478 kcal/m2 /yr die of natural causes with the remaining eaten up by the carnivores, provide a net production of 37 kcal/m2 /yr for this higher tropic level with respiration of the former level amounting to 216 kcal/m2/yr. Estimate the trophic efficiencies for the producers, primary and secondary consumers of this food chain.
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter53: Population Interactions And Community Ecology
Section: Chapter Questions
Problem 1ITD
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