Didymosphenia geminata
Didymosphenia geminata
(didymo)
Algae
Cryptogenic

Impact ID4817
Impact TypeRecreation
Study TypeObservational
Study LocationField
Impact DescriptionWhere it becomes very dense in New Zealand, Didymosphenia geminata decreases the exchange between surface and ground water and the hydraulic activity, which is thought to impact egg beds (redds) of Salmonids, including Salmo trutta (brown trout) and Oncorhynchus mykiss (rainbow trout), which are important to fisheries around the world.
Reference37232
Notes 
Great Lakes RegionNo
Cost 
LocationNew Zealand

Return to impacts listing for Didymosphenia geminata

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. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/24/2022].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.