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Invasive Plant Control

 

Invasive Plant Control

Much of our waterway restoration work is devoted to re-establishing native aquatic plants in degraded lakes and rivers. The overgrowth of aquatic vegetation can become a serious problem, threatening the viability of fisheries, leisure waters and navigable channels.

Sometimes plant growth can become an issue, be it invasive non-native plants or our own vigorous native plants. We have solutions to help you control them. Much of our waterway restoration work is devoted to re-establishing native aquatic plants in degraded lakes and rivers, but in nutrient-rich waters the overgrowth of aquatic vegetation can occasionally become a serious problem, threatening the viability of fisheries, leisure waters and navigable channels.

Aquascience Ltd can identify the problem and then develop a programme of innovative solutions.

We currently deal with introduced species such as Floating pennywort (Hydrocotyle ranunculoides), Australian swamp stonecrop (Crassula helmsii), Parrot’s feather (Myriophyllum aquaticum), Water fern (Azolla filiculoides), Himalayan balsam (Impatiens glandulifera), Orange balsam (Impatiens capensis) and Creeping water primrose (Ludwigia peploides) and native species such as Common reed (Phragmites communis) and Reedmace (Typha latifolia).

In many cases, the problem weed is an invasive introduced species such as Floating Pennywort or Australian Swamp Stonecrop, but native species may also need to be controlled.  Sometimes a weed problem results from the well-intentioned planting of a native species in the wrong place. Aquascience have been employed by Natural England, to remove invasive plant species over several yrs now. One site is over 25acres in size and the task is enormous.

Most of the herbicides that were formerly used for aquatic weed control have now been withdrawn from sale in the UK to conform to the European Biocides Directive.  Emergent and bankside vegetation can still be treated with Roundup Bioactive with permission from the Environment Agency, but there are currently no approved herbicidal treatments for submerged weeds, including some of the most pernicious introduced species.

With these constraints, aquatic weed control needs careful planning and thorough execution, and often calls for an innovative approach. Aquascience Ltd specialises in the identification and control of aquatic weed problems, including invasive alien species. With NPTC PA1 and PA6 certification, we offer both conventional herbicide treatments and a range of innovative non-chemical interventions.


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