Nitellopsis obtusa
Nitellopsis obtusa
(starry stonewort)
Algae
Exotic
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Impacts

17 results for Nitellopsis obtusa (starry stonewort)

Impact ID Scientific Name Impact Type Study Type Study Location Impact Description Reference
3993 Nitellopsis obtusa Competition Experimental Field When starry stonewort (Nitellopsis obtusa) is abundant, macrophyte species richness is... 29177
3994 Nitellopsis obtusa Competition Experimental Field Macrophyte biomass is lower when starry stonewort (Nitellopsis obtusa) is abundant. 29177
3995 Nitellopsis obtusa Competition Experimental Field Starry stonewort (Nitellopsis obtusa) displaces macrophytes across three depth intervals... 29177
4003 Nitellopsis obtusa Competition Observational Field When starry stonewort (Nitellopsis obtusa) is abundant, it appears to extirpate all other... 19736
4004 Nitellopsis obtusa Competition Observational Field Starry stonewort (Nitellopsis obtusa) outcompetes all other native and nonnative aquatic... 19736
4005 Nitellopsis obtusa Competition Observational Field When starry stonewort (Nitellopsis obtusa) dominates, biomass of all other competing... 19736
4013 Nitellopsis obtusa Competition Anecdotal Field It is speculated that the upper parts of starry stonewort (Nitellopsis obtusa) mats... 19736
4015 Nitellopsis obtusa Competition Observational Field Starry stonewort (Nitellopsis obtusa) impacts fish spawning by creating a physical barrier... 19736
4559 Nitellopsis obtusa Competition Anecdotal N/A Reduces Species Richness and Diminishes Plant Community Biodiversity 36858
4563 Nitellopsis obtusa Competition Anecdotal N/A Nitellopsis 'meadows' form dense benthic barriers 36861
4564 Nitellopsis obtusa Competition Anecdotal N/A Nitellopsis obtusa alters or eliminates native submerged aquatic plant communities 36861
7543 Nitellopsis obtusa Competition Observational Field When it was first reported, Nitellopsis obtusa was the ninth most frequently collected... 703
7544 Nitellopsis obtusa Competition Observational Field Nitellopsis obtusa was recorded at a peak biomass of 259 g m-2 in September... 17617
7545 Nitellopsis obtusa Competition Anecdotal N/A Once established in inland lakes, Nitellopsis obtusa forms dense mats of vegetation that... 19736
7546 Nitellopsis obtusa Competition Observational Field There is also research indicating that macrophyte species, such as Nitellopsis obtusa... 35283
7547 Nitellopsis obtusa Competition Observational Field In Sweden, Nitellopsis obtusa dies off in the winter, which reduces the ability of slow... 17612
7548 Nitellopsis obtusa Competition Anecdotal N/A Dense mats of Nitellopsis obtusa directly impact the habitat used by native fish for... 19736

View all impact types for Nitellopsis obtusa
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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/30/2024].

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