Many measures have been developed for analyzing food web structure. Which of the

Question

Many measures have been developed for analyzing food web structure. Which of the following is a FALSE statement concerning those measures?

A. The mean chain length (ChLen) is the arithmetic average of the lengths of all chains in a food web. B. The actual number of observed links in a food web (L) expressed as a proportion of the maximum possible number of links (S2) provides a measure of food web connectance (C). C. The length of any given food chain within the food web is measured as the number of links between a top predator and the base of the web. D. Linkage density (LD) is a measure of the average number of links per species in the food web. E. The linkage density can be combined with connectance to determine the mean chain length (ChLen).

Explanation / Answer

The correct answer is option C. The length of any given food chain within the food web is measured as the number of links between a trophic consumer and the base of the web. Trophic consumer not necessarily always a top predator. Trophic consumer may lie below the top predator.

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