9 results for Hydrilla verticillata (hydrilla)

Impact ID Scientific Name Impact Type Study Type Study Location Impact Description Geographic Location Reference
2951 Hydrilla verticillata Infrastructure Observational Field Large amounts of Hydrilla verticillata prevent adequate drainage of canals. Florida, US 5101
2952 Hydrilla verticillata Infrastructure Observational Field Hydrilla verticillata clogs canals preventing boater access. Florida, US 5101
2956 Hydrilla verticillata Infrastructure Experimental Field Water exchange rates are lowered in Hydrilla verticillata-infested tidal canals. Crystal River, Florida, US 10124
3074 Hydrilla verticillata Infrastructure Anecdotal N/A Hydrilla forms dense mats at the water surface, impeding water flow. 33836
3076 Hydrilla verticillata Infrastructure Observational Field Hydrilla has affected tourism and navigation in Guatemala. 33837
5617 Hydrilla verticillata Infrastructure Experimental Field Hydrilla verticillata clogs Florida waterways which makes them difficult to navigate. 182
7055 Hydrilla verticillata Infrastructure Anecdotal N/A Hydrilla verticillata slows water flow and clogs irrigation and flood control canals. Florida alone spends millions of dollars for hydrilla “maintenance control” with herbicides and mechanical harvesters; mats of it wash up on shore there, collect at culverts and clog important water control pumping stations. 42119
7056 Hydrilla verticillata Infrastructure Observational Field In the Tennessee Valley Authority (TVA) system in September 1989, heavy late-season rainfall and consequent flood discharges caused large mats of Hydrilla verticillata to break loose. These mats clogged intake screens and forced the shutdown of two hydroelectric turbines at Guntersville Dam. Hydrilla mats floated over the spillway and blocked water intakes downstream at Wheeler Dam. The result was $170,000 in lost power plant revenues. Tennessee Valley Authority (TVA) System 5137
9524 Hydrilla verticillata Infrastructure Observational Field In 2021, 36.6% of Hydrilla verticillata occurred among Florida's largest and most important multi-purpose waterways. Florida, United States 42996

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