Aquatic Plant Management

Description of Method - Aquatic Plant Survey Methods

Aquatic plant survey methods vary depending on your objective. It is important to have a skilled botanist identify the plants. Many aquatic species look alike and sometimes it is necessary to conduct DNA testing to distinguish similar species. Collect and press voucher specimens from each waterbody. These can be important when verifying noxious weed infestations.

Objective: To find particular species (for example surveying for noxious weeds or rare plants). You need to mark the locations of the plant on a map or use a GPS (Geographic Positioning System) to note the locations.

Objective: To create a plant community map where you need to record the plant species and the species locations on a waterbody map.

Objective: to quantify the vegetation. This is important when evaluating the effectiveness of a treatment or changes to the plant community over time.

Frequency Data

Biomass Data -obtaining the weight of species abundance

Additional Information about Aquatic Plant Survey Methods

Madsen, J.D. and J.A. Bloomfield. 1993. Aquatic Vegetation Quantification Symposium: An Overview. Lake and Reservoir Management. 7(2): 137-140.

Spencer, D. F. and L. C. Whitehand. 1993. Experimental Design and Analysis in Field Studies of Aquatic Vegetation. Lake and Reservoir Management. 7(2) 165-174. (there are several other papers on this topic in that issue of Lake and Reservoir Management)

Madsen, J. D. 1999. Point Intercept and Line Intercept Methods for Aquatic Plant Management. US Army Corps of Engineers Waterways Experiment Station, Aquatic Plant Control Technical Note M1-02.

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