An Energy Pyramid in the Tundra Biome
The tundra is a challenging environment, and the short growing season limits plant growth. The tundra produces only 600 Kilocalories per square meter per year for the herbivores to eat. Here is a diagram of the energy available at teach trophic level.
The food chain here supports only three trophic levels because carnivores have to cover a lot of ground to find enough to eat.
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Photograph from a Corel CD-ROM : for viewing only, not for downloading.
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Copyright © 1999. Elizabeth Anne Viau and her licensors. All rights reserved. This material may be used by individuals for instructional purposes but not sold. Please inform the author if you use it at eviau@earthlink.net