Didymosphenia geminata
Didymosphenia geminata
(didymo)
Algae
Cryptogenic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

76 results for Didymosphenia geminata (didymo)

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Impact ID Scientific Name Impact Type Study Type Study Location Impact Description Reference
4814 Didymosphenia geminata Water Quality Observational Field Where it becomes very dense in New Zealand, Didymosphenia geminata decreases the exchange... 37232
4815 Didymosphenia geminata Habitat Alteration Observational Field Where it becomes very dense in New Zealand, Didymosphenia geminata decreases the exchange... 37232
4816 Didymosphenia geminata Harvest Observational Field Where it becomes very dense in New Zealand, Didymosphenia geminata decreases the exchange... 37232
4817 Didymosphenia geminata Recreation Observational Field Where it becomes very dense in New Zealand, Didymosphenia geminata decreases the exchange... 37232
4818 Didymosphenia geminata Other Observational Field Where it becomes very dense in New Zealand, Didymosphenia geminata decreases the exchange... 37232
4819 Didymosphenia geminata Recreation Observational Field Angler interviews in North Canterbury, New Zealand revealed that on average, the presence of... 37231
4821 Didymosphenia geminata Commerce Observational Field Angler interviews in North Canterbury, New Zealand revealed that on average, the presence of... 37231
4822 Didymosphenia geminata Recreation Observational Field Since Didymosphenia geminata is spread from site to site unintentionally through... 37240
4823 Didymosphenia geminata Recreation Observational Field Anglers surveyed from across the United States indicated that when Didymosphenia geminata... 37240
4824 Didymosphenia geminata Habitat Alteration Observational Field Benthic macroinvertebrate density, as well as the proportion of Chironomids (midges), increased... 37243
4825 Didymosphenia geminata Food Web Anecdotal Field Benthic macroinvertebrate density, as well as the proportion of Chironomids (midges), increased... 37243
4881 Didymosphenia geminata Habitat Alteration Observational Field Didymosphenia geminata can form dense mats, covering substrates in rivers and lakes. 37327
4882 Didymosphenia geminata Competition Observational Field Didymosphenia geminata can form dense mats, covering substrates in rivers and lakes, which... 37327
4883 Didymosphenia geminata Infrastructure Anecdotal N/A Didymosphenia geminata can clog water filters and hydro plants. 37327
4885 Didymosphenia geminata Water Quality Experimental Laboratory Didymosphenia geminata can be used for removing heavy metals from sewage and industrial... 37328
4886 Didymosphenia geminata Habitat Alteration Observational Field Didymosphenia geminata creates a thick mat, covering all substrates in a waterbody. 37330
4887 Didymosphenia geminata Harvest Observational Field Didymosphenia geminata creates a thick mats that clog gill nets of substance fishermen in... 37330
4888 Didymosphenia geminata Commerce Observational Field The sudden presence of Didymosphenia geminata created an extensive loss in Salmon fishing... 37330
4889 Didymosphenia geminata Water Quality Observational Field Didymosphenia geminata are associated with a rise in dissolved organic phosphorus in... 37330
4890 Didymosphenia geminata Harvest Observational Field Didymosphenia geminata is thought to be the reason for the decline of adult Salmo... 37330
4891 Didymosphenia geminata Food Web Experimental Field Didymosphenia geminata alters the macroinvertebrate assemblages and lowers their densities... 37334
9720 Didymosphenia geminata Disease/Parasites/Toxicity Experimental Laboratory Didymosphenia geminata provides habitat for Tubifex tubifex, an oligochaete worm... 30523
9721 Didymosphenia geminata Disease/Parasites/Toxicity Experimental Laboratory Polyphenols extracted from Didymosphenia geminata decreased motility and viability of... 43369
9722 Didymosphenia geminata Competition Anecdotal N/A Blooms of Didymosphenia geminata form mats which can be over 20 cm thick. These mats are... 30502
9723 Didymosphenia geminata Competition Anecdotal N/A Recent studies on blooms have revealed that the mats contain concentrations of dissolved oxygen... 30506
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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/21/2024].

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