WHAT THE EVIDENCE SAYS
Editorial interpretation of evidence discussed in this edition.
WHY IT MATTERS / OUR READ
Ecological sampling has a vertical dimension. The Congo camera work is methodological as much as zoological. If sampling only one stratum changes what we think we know about community composition and habitat relationships in forests, the analogous question applies elsewhere: what dimensions of a system are systematically invisible because our standard sampling design was built around convenience?
CAVEATS / UNCERTAINTY
The two studies examine particular forest settings and sampling designs. More vertical coverage can improve detection, but does not eliminate all survey bias.
SOURCE
Florida Atlantic University · two linked camera-trap studies
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Ecology · elevation and canopy sampling study
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Journal of Mammalogy · forest-stratum study
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