![]() Cycle imbalances can lead to oxygen depletion and subsequent fish Of this diurnal cycle, oxygen concentrations are the lowest at dawn and highest in At night, plants and other pond organisms consume oxygen. In the presence of sunlight, green plants release oxygen as a by-product ![]() ![]() Plankton algae produce the majority of dissolved oxygen in the pond and are essential Algae are divided into three groups: plankton algae, filamentous algae (pond Unlike other aquatic plants, algae do not produce flowers Shape and size varyįrom microscopic single- or multiple-celled plants to branched plants that resemble Weeds, emersed weeds (foliage above water), and submersed weeds (majority of foliageĪlgae are the most common group of weeds in aquaculture ponds. Additionally, separating fish from weeds is a slow process andĪquatic plants that cause weed problems may be placed into four groups: algae, floating To harvest since the weight of the weeds accumulating in the seine can become too Ponds with dense weed infestations can be impossible Weeds are particularly undesirable because fish harvesting seines will ride up over Nutrients introduced into the water through feedsĪnd fertilizers often create an ideal habitat for aquatic weed growth. Intensive fish production often involves adding large amounts of commercial feedsĪnd inorganic fertilizers to ponds. Interfere with commercial fish production are considered to be weeds. Of aquatic plants are essential for fish production. ![]() Suspended in the water, to larger plants rooted in the pond bottom. These plants range from microscopic organisms known as plankton algae which drift Many different aquatic plants can be found in, on, and around fish culture ponds. ![]()
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