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Functional characteristics of traps of aquatic carnivorous Utricularia species

, : Functional characteristics of traps of aquatic carnivorous Utricularia species. Aquatic Botany 95(3): 0-233

Firing and resetting of traps in aquatic Utricularia species are associated with water flow and trap volume changes. In this study, trap thickness was used as a measure of water flow and was monitored automatically using an electronic position sensor. The basic characteristics of mechanically stimulated firing and resetting were measured in isolated traps from 13 aquatic Utricularia species and in two trap size categories in U. reflexa. This allowed to study the relationship between these trap functions and trap thickness and length (criteria of trap size). Additionally, the characteristics of spontaneous firings (without any mechanical stimulation) were compared for.


DOI: 10.1016/j.aquabot.2011.07.001

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