Nitellopsis obtusa
Nitellopsis obtusa
(starry stonewort)
Algae
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

11 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

View all impact types for Nitellopsis obtusa
Data Disclaimer: These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/29/2023].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.