Laboratory comparisons of five seed-trap designs for dry, windy environments

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Abstract
Five seed-trap designs were tested for relative seed-trapping ability in a wind tunnel. Seeds of 12 plant species were blown over random combinations of seed-trap designs with an average wind speed of 16 km∙h−1. Results showed significant effects of seed-trap design on the number of seeds collected by the traps. Seed traps simulating the ground surface (gravel, marbles, loose soil) caught significantly (P < 0.05) fewer seeds than those simulating soil depressions or holes (glued dirt, funnel). Gravel surfaces trapped significantly (P < 0.05) more seeds than the surfaces with marbles. Results of this study may be used in the selection of seed traps for use in the field where sticky surfaces are unsuitable because of drying and dust.

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