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Herbicide Considerations Reference Guide—Introduction

... submersed plants in warm or hot weather, since dissolved oxygen (needed to buffer plant decomposition) is usually lower ... return to average. Water Chemistry Dissolved Oxygen : In water, dissolved oxygen (DO) is essential to ...

Photosynthesis

... how these processes work: During a sunny day, dissolved oxygen in water is generally plentiful because photosynthesizing ...

Large-Scale Hydrilla Control Considerations for Lake Toho: A Limited Window of Opportunity

... Lake Toho each Spring, the water’s ability to hold dissolved oxygen is reduced. Dissolved oxygen is important for fish and other gilled organisms to breathe ...

Integrated Plant Management

... because there is less temperature stress and more dissolved oxygen , and target plant growth may be lower so fewer fish are ... and recreation, and also creates conditions where dissolved oxygen could reach critically low levels and cause a catastrophic ...

Canals

... , and negative impacts on animal communities. The dissolved oxygen concentration in canal water decreases as the distance ... essential to fish and other aquatic animals.  Dissolved oxygen concentrations are related to the mean depth of the water ...

A Manager's Definition of Aquatic Plant Control*

... gains, such as reductions in sedimentation, and dissolved oxygen depressions. At the other end of the spectrum, maintenance ... stunt or eliminate some fish populations, reduce dissolved oxygen leading to fish kills select control methods ...

Maintenance Control Strategy

... plants, are sometimes physically removed, to prevent dissolved oxygen problems in the waterbody, caused by increased ... or rots, just as it does on land. This process consumes dissolved oxygen . In water, only small amounts of oxygen are present, usually ...

Selective Application of Aquatic Herbicides

... can help promote selectivity . There is more dissolved oxygen in the water during cooler months. Therefore, the ... to be controlled at one time without a significant dissolved oxygen reduction and potential fish kill . Alternately, a ...

Carfentrazone Considerations

... plants Water chemistry   Dissolved oxygen (DO) Relatively fast-acting contact type herbicide Controlling large area may reduce dissolved oxygen level Wait 10-14 days if treating as much as half of ...

Fluridone Considerations

... control Water chemistry   Dissolved oxygen (DO) Very slow acting for hydrilla control; therefore, dissolved oxygen sags are not an issue Use caution for larger ...