PASES Aqua monitors mosquito and midge populations and habitats and recommend mitigation strategies which may involve environmental, physical, chemical, cultural and biological control procedures.

Mosquito & Midge Control

 

Although mosquitoes and midges play a role in the wetland ecosystem as an intermittent food resource for birds, bats, frogs, fish and invertebrates; when overabundant, they have several negative impacts and are subject to public scrutiny. These negative impacts include:

  • Nuisance-biting stings to surrounding residents
  • Transmission of disease causing pathogens to humans
  • Reduction in recreational use of wetland and surrounding walk paths
  • Numbers prolific in environments with elevated nutrient levels and stagnant water

PASES Aqua can survey populations of mosquito and midge larvae, assess site habitat and recommend a successful control program which may include:

  • Environmental – reduce habitat by reducing nutrient levels, algae and stagnant water I.e. Lake bed aeration/surface aeration will increase dissolved oxygen levels and reduce nutrient levels and move water hence increasing predatory fish habitat, preventing favourable conditions for reproduction and reducing food resources (nutrients, algae)
  • Physical – physical modification or removal of source to prevent breeding – wetland design can be modified, dredging to increase fish habitat and spread of reeds and plants that these organisms rely on
  • Chemical – water, ground and aerial applications including fogging
  • Biological – introduction of larval predators such as native fish
  • Cultural – personal preventative measures

Some Of The Work We Have Done

For the best advice available, please contact our Wetland specialists to discuss your project requirements.

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