{"content":[{"text":"OBSERVATIONS AND RECOMMENDATIONS (BIENNIAL REPORT) \n 2006 \n OBSERVATIONS & \n RECOMMENDATIONS","bbox":{"left":0.117647,"top":0.075124,"width":0.7647900000000001,"height":0.157085}},{"text":"After reviewing data collected from BEAVER LAKE, DERRY, the program \n coordinators have made the following observations and \n recommendations.","bbox":{"left":0.23451,"top":0.285578,"width":0.64469,"height":0.048926000000000025}},{"text":"Thank you for your continued hard work sampling the lake this season! \n Your monitoring group sampled the deep spot four times this season and \n has done so for many years! As you know, conducting multiple sampling \n events each season enables DES to more accurately detect water quality \n changes. Keep up the good work!","bbox":{"left":0.23451,"top":0.350807,"width":0.6456580000000001,"height":0.08150200000000002}},{"text":"FIGURE INTERPRETATION","bbox":{"left":0.23451,"top":0.464972,"width":0.20940599999999998,"height":0.01627700000000004}},{"text":"�","bbox":{"left":0.235294,"top":0.498145,"width":0.014252999999999988,"height":0.015386999999999984}},{"text":"Figure 1 and Table 1: Figure 1 in Appendix A shows the historical \n and current year chlorophyll-a concentration in the water column. \n Table 1 in Appendix B lists the maximum, minimum, and mean \n concentration for each sampling season that the lake has been \n monitored through VLAP.","bbox":{"left":0.264705,"top":0.497549,"width":0.5880829999999999,"height":0.08150199999999996}},{"text":"Chlorophyll-a, a pigment found in plants, is an indicator of the algal \n abundance. Because algae are usually microscopic plants that \n contain chlorophyll-a, and are naturally found in lake ecosystems, \n the chlorophyll-a concentration measured in the water gives an \n estimation of the algal concentration or lake productivity. The \n median summer chlorophyll-a concentration for New Hampshire’s \n lakes and ponds is 4.58 mg/m3.","bbox":{"left":0.264705,"top":0.595354,"width":0.6173659999999999,"height":0.11407900000000004}},{"text":"The current year data (the top graph) show that the chlorophyll-a \n concentration remained relatively stable from May to June, and \n then increased steadily from June to August.","bbox":{"left":0.264705,"top":0.725806,"width":0.5877730000000001,"height":0.04884900000000003}},{"text":"The historical data (the bottom graph) show that the 2006 \n chlorophyll-a mean is slightly greater than the state median and \n the similar lake median. For more information on the similar lake \n median, refer to Appendix F.","bbox":{"left":0.264707,"top":0.791034,"width":0.588046,"height":0.06513799999999992}},{"text":"Overall, the statistical analysis of the historical data (the bottom \n graph) shows that the mean annual chlorophyll-a concentration has","bbox":{"left":0.264707,"top":0.872551,"width":0.600353,"height":0.03256100000000006}},{"text":"III-1","bbox":{"left":0.845686,"top":0.938305,"width":0.03672399999999998,"height":0.016272999999999982}}],"images_bbox":[],"images_bbox_not_text_overlap":[]}