David Burbank Reid Camp Will Langford Donella Miller
Objectives Methods Results Discussion Recommendations
Construct bathymetric map Water Volume Sediment Volume Depths Parameter Profiles Temperature Dissolved Oxygen Light Conductivity Total Phosphorus Chlorophyll a
Temperature, Conductivity, D.O. YSI 85 ½ meter intervals Irradiance Photometer ½ meter intervals 1% surface irradiance GPS/Depth Finder/GIS Navigate pond in grid Bathymetric Map misclab.umeoce.maine.edu
Total Phosphorus Van Dorn Sampler Triplicate 20ml Samples every 1 meter P-Tubes (Potassium Persulphate) Analysis Chlorophyll a Triplicate Sample every 1 meter Integrated Analysis
Profiles
Profiles Continued
Total Phosphorus/Chlorophyll a
Pond Area m 2 Water Volume m 3 Depth Average=.51 m Max= 2.80 m
High Conductivity Spring Valley - <70 Jones Pond - >326 Temperature Profile Isothermic No Thermocline Low D.O. Clinograde Profile T.P. Increases With Depth Within Eutrophic Limits Chlorophyll a Even Dispersal Within Eutrophic Limits
Sample Again at Different Times Determine if actually eutrophic Mixing events Low D.O. Aerators Aquatic Plants (P/S) Fishery Capable? Winter Kill – Low D.O. + Freeze D.O. Raised and Monitored tinyfarmblog.com
Questions?