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<br />\ <br /> <br />removal of carbon dioxide from carbonate and bicarbonate ions <br /> <br />because of high plant photosynthesis levels ~hich drives the <br /> <br />pH upward. <br /> <br />The solution has been to keep the ponds full during ~erm <br /> <br />weather or to immediately begin filling the reservoirs after <br /> <br />drawdown if water is needed in the marshes. No mortality <br /> <br />occurred during the summer of 1976 using these methods. <br /> <br />Habitat for small game such as mourning doves and cottontails <br /> <br />is good at present and improving due to the habitat develop. <br /> <br />ments which are providing more and better food, water. and <br /> <br />cover. The same is true for most non-game animals. The <br /> <br />developments, especially the water and riparian vegetation, <br /> <br />) <br /> <br />are increasing the attraction of the area to a greater variety <br /> <br />of non-game birds during migrations. Nesting habitat is still <br /> <br />inade~uate for hole-nesting birds, but this will improve as <br /> <br />more nest boxes are constructed. Habitat for pest species is <br /> <br />also increasing and improving in proportion to the amount of <br /> <br />development. <br /> <br />c. Habitat Potential and Problems. The potential of the area for <br /> <br />increased production of wildlife, especially waterfowl, is <br /> <br />limited primarily by the availability of water in the proper <br /> <br />quantity and Quality. There is essentially no natural water <br /> <br />at the area since rainfall averages less than 7 inches annually, <br /> <br />and the average pan evaporation is about 4.7 feet per year. <br /> <br />~ <br />J <br /> <br />-25- <br /> <br />GO~7~8 <br /> <br />10114 <br />