. Controlling aquatic vegetation with triploid grass carp. Carp; Aquatic weeds; Eutrophication; Aquatic weeds. Table 1. Stocking recommendations for control of naiads (including slender, brittle, and southern naiad), nitella, and Cham in Illinois. The 10-year stocking schedule includes an ini- tial stocking and a second stocking 5 or 6 years later, depending on the climatic region. Stocking Rate (number of 10-inch fish per vegetated acre) Years between initial and second stocking 6 5 5 5 Note: These rates assume a spring stocking. Stocking in April is recommended because it is most cost- effec
. Controlling aquatic vegetation with triploid grass carp. Carp; Aquatic weeds; Eutrophication; Aquatic weeds. Table 1. Stocking recommendations for control of naiads (including slender, brittle, and southern naiad), nitella, and Cham in Illinois. The 10-year stocking schedule includes an ini- tial stocking and a second stocking 5 or 6 years later, depending on the climatic region. Stocking Rate (number of 10-inch fish per vegetated acre) Years between initial and second stocking 6 5 5 5 Note: These rates assume a spring stocking. Stocking in April is recommended because it is most cost- effective. If a fall stocking is planned, multiply these rates by If continued control is desired, repeat the stocking schedule (two stockings) every 10 years, regardless of the interval between the initial and second stocking. brittle naiad Climatic Initial Second region stocking stocking 1 16 12 2 12 10 3 12 12 4 8 8 slender naiad. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wiley, Michael J; Tazik, Pamela P; Sobaski, Stephen T; Illinois. Natural History Survey Division. Champaign, Ill. : Illinois Natural History Survey
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