role of fish in distribution and germination of seeds of the submerged macrophytes Najas marina L. and Ruppia maritima L

The effects of three species of fish (tilapia, grass carp and common carp) on the seeds of Najas marina L. and of Ruppia maritima L. were investigated. Practically all the seeds that were injested by the common carp were digested. The two other fish were less affective: they digested seeds with soft...

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