Effects of Carbon Dioxide on Non-Target Organisms

Science Center Objects

Asian Carp Control: Carbon Dioxide

Chemical controls are a vital component of many effective Integrated Pest Management plans. Carbon dioxide (CO2) is being evaluated as a new fishery chemical for invasive Asian carps as a general toxicant or behavioral deterrent. Administration of non-selective chemicals, such as CO2, into public waters could pose a risk to non-target organisms (e.g. native mussels, native fishes) through direct or indirect exposure. Resource managers need to understand potential risks to ecologically and economically important species to ensure that chemical applications provide a high degree of effectiveness towards target pests (e.g. Asian carps) and minimize potential impacts on native species.

Plain pocketbook mussels being used to evaluate effects of CO2 on non-target species.

Plain pocketbook mussels being used to evaluate effects of CO2 on non-target species.

(Public domain.)

The goal of this project is to determine the physiological and toxicological effects of CO2 exposure on native species. Studies are conducted in laboratory, mesocosm and field settings to collect data on various acute and chronic aspects of CO2 exposure.

USGS scientist monitoring water quality during evaluation of CO2 on non-target fish during toxicity trials.

USGS scientist monitoring water quality during evaluation of CO2 on non-target fish during toxicity trials.

(Public domain.)