Initial impact of low stocking density of grass carp on aquatic macrophytes
Pípalová, I. (2002). Initial impact of low stocking density of grass carp on aquatic macrophytes. Aquat. Bot. 73(1): 9-18
In: Aquatic Botany. Elsevier Science: Tokyo; Oxford; New York; London; Amsterdam. ISSN 0304-3770; e-ISSN 1879-1522, meer
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| Trefwoorden |
Control > Biological control
Flora > Aquatic organisms > Aquatic plants
Species diversity
Stocking density
Ctenopharyngodon idella (Valenciennes, 1844) [WoRMS]
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| Abstract |
Grass carp (Ctenopharyngodon idella Val.) stocked at a low density (29kg ha-1) to one of two small ponds significantly reduced the biomass of aquatic macrophytes (especially of the filamentous alga Cladophora globulina Kütz.) and changed the species composition of the higher aquatic plant community. After grass carp stocking (in 1999), Myriophyllum spicatum L., Ceratophyllum demersum L. and Lemnaceae species replaced the species present originally: Eleocharis acicularis (L.) Roem. et Schult., Potamogeton pusillus L. and P. pectinatus L., which were dominant in 1998. |
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