10 results for Myriophyllum aquaticum (parrot feather)

Impact ID Scientific Name Impact Type Study Type Study Location Impact Description Geographic Location Reference
3434 Myriophyllum aquaticum Competition Anecdotal N/A Parrot Feather can form dense vegetation that can (hinder water circulation and) displace native vegetation. 33980
3446 Myriophyllum aquaticum Competition Experimental Field Plots that did not contain M. aquaticum had significantly higher plant species richness than heavily invaded C plots. There was a 57% decrease in species richness when comparing uninvaded plots with those invaded with M. aquaticum. 32943
3447 Myriophyllum aquaticum Competition Experimental Field Parrots feather can form dense canopies that block sunlight and oxygen exchange, and as a result out compete native species. "A strong negative relationship was found between invasive species cover and submerged species cover, and between invasive species cover and floating (leaved) species cover in all ponds and among invaded ponds only." 32943
5312 Myriophyllum aquaticum Competition Observational Field Myriophyllum aquaticum fragments were introduced with native vegetation in a habitat restoration project in Erhai Lake, and soon overtook the other plants, becoming the dominant vegetation type. Erhai Lake, Yunan, China 38234
7093 Myriophyllum aquaticum Competition Observational Field Stiers et al. (2011) compared Belgian lake sites that were heavily invaded (90-100% cover), semi-invaded (~25% cover) and uninvaded by Myriophyllum aquaticum, and found that native species richness was 57% lower in heavily invaded sites relative to uninvaded sites. M. aquaticum cover was also negatively correlated with invertebrate species richness and abundance. Belgium 38185
7094 Myriophyllum aquaticum Competition Observational Field Plants that are rare (Utricularia vulgaris) and vulnerable (Hydrocharis morsus-ranae) IUCN Red List species in Belgium were absent in heavily invaded Myriophyllum aquaticum sites but present in semi-invaded sites. Belgium 38185
7095 Myriophyllum aquaticum Competition Experimental Laboratory In China, Myriophyllum aquaticum outcompeted native species (Hydrilla verticillata, M. oguraense, and M. ussuriense) in the laboratory with respect to relative growth rate, with the most significant results on high-nutrient sediment. 32722
7096 Myriophyllum aquaticum Competition Experimental Laboratory In a mesocosm study, yield (biomass) of Myriophyllum aquaticum was positively related to tissue nitrogen content, suggesting that high levels of nitrogen contribute to nuisance levels of growth. However, high levels of phosphorus favored the growth of algae (superior competitors in phosphorus uptake) causing shading in the water column and suppressing the growth of M. aquaticum. 31239
9578 Myriophyllum aquaticum Competition Experimental Laboratory The allelopathic effects of Myriophyllum aquaticum reduced the growth of the cyanobacteria Microcystis aeruginosa but not Anabaena flos-aquae in a laboratory experiment. 42946
9579 Myriophyllum aquaticum Competition Experimental Laboratory Myriophyllum aquaticum secretes allelochemicals that alter the growth and reproduction of the rotifer, Plationus patulus. 42945

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