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The Chemical Control of Aquatic Invertebrate Pest Species - FC1209

Description
Pest species have a significant impact on ecosystems, resulting in loss of biodiversity, threats to food security and subsequent economic costs. Methods of control and potential eradication are sought to reduce their impact and assist in forming viable contingency control plans.
Biocides have been used to great success in the control of terrestrial insect pests for a number of years. However, historical concerns including bioaccumulation, biomagnifications, environmental persistence and damage to non-target species (including humans), have lead to significant developments to improve product quality.

These issues have been addressed with more efficient, less environmentally damaging and persistent chemicals that have more specific modes of action (e.g. disrupts chitin formation). Despite the development of terrestrial biocides this has not been mirrored in the aquatic environment, with a limited number of chemical control mechanisms available. Those that are available have limited application or feasible use.

The aim of this project is to investigate and develop the use of chemical agents and their delivery mechanisms for the control of aquatic invertebrate pest species (such as the killer shrimp (Dikerogammarus villosus), signal crayfish (Pacifastacus leniusculus) and salmon fluke (Gyrodactylus salaris). The project proposes to test candidate biocides against a range of invertebrate pest species under laboratory conditions, determining minimal lethal dose and exposure time. Suitable delivery mechanisms will also be developed to increase effectiveness and specificity. Mesocosom experiments will be used to determine the effectiveness of the biocide and delivery mechanisms as a control tool. The proposed chemicals will also be tested against non-target hosts to improve understanding of potential impact.
Objective
Aims: To investigate and develop the use of chemical agents and their delivery mechanisms for the control of aquatic invertebrate pest species (such as the killer shrimp (Dikerogammarus villosus), signal crayfish (Pacifastacus leniusculus) and salmon fluke (Gyrodactylus salaris).
Time-Scale and Cost
From: 2013

To: 2014

Cost: £150,000
Contractor / Funded Organisations
C E F A S (CEFAS)
Keywords
Animal Health              
Biodiversity              
Fish Disease