Harmful Aquatic Hitchhikers: Plants: Hydrilla
What does Hydrilla look like?Hydrilla is a submersed freshwater herb. Being an invasive non-native weed, it often forms dense stands from the bottom to the top of the water, sprawling across the surface, although it may also be found as detached drifting mats.
Why is Hydrilla considered to be a nuisance?
How does Hydrilla affect recreational users?Due to its nuisance impacts, Hydrilla affects all recreational users of our aquatic resources. Its amazing reproduction capabilities can turn quality waters into areas that are choked with vegetation, which will essentially make them unusable.
Where is Hydrilla currently found?Currently, this plant is found primarily in two regions, the southeastern and the southwestern parts of the U.S.
What is Hydrilla’s potential to spread elsewhere in U.S.?Hydrilla spreads to new waters mainly as fragments on boats and trailers. Conservationists in the U.S. need to learn from Russia experience because hydrilla has been found to grow in 50o N latitude range, which is the equivalent to the US/Canadian border.
Short term benefits of hydrilla don’t override the long term impactsSome anglers originally thought that plants such as hydrilla and water hyacinth provided positive habitat. However, anglers now realize that these plants can take over a good fishing spot, consume the oxygen and cause fishkills. Also, when hydrilla creates mats, it can make it very difficult for anglers to access fishing spots.
How can I prevent the spread of Hydrilla?Be vigilant in cleaning your equipment.
What else can I do?
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Invasive Aquatic Species
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Being A Nuisance Species
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