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Table 4. Surveys of Foothill Landfill near Stockton, California - 2012-2013. <br /> a. <br /> 0 <br /> Date Time of Maximum Species Comments s <br /> Survey # of Gulls o <br /> b <br /> 2012 0 <br /> Sep 3 08:00-11:15 8 CA Flock circles for 12 minutes and then flies to W a <br /> Sep 10 08:00-11:15 32 CA Only 2 on ground; two flocks (22, 8) circle and fly off <br /> Sep 17 08:00-11:15 0 <br /> Sep 24 08:00-11:15 18 CA pyros fired by workers <br /> Oct 15 12:00-15:15 0 <br /> Oct 29 12:30-16:00 3 CA Gulls not feeding, flew off <br /> Nov 6 12:00-14:30 2,400 Circling over landfill due to many pyros fired by workers <br /> Nov 14 11:00-14:20 3,800 Gulls feeding between bouts of pyros fired by workers <br /> Dec 3 09:00-12:20 2,400 CA,WE Gulls feeding when pyros not used. CA(75%), WE (25%) <br /> Dec 19 13:00-16:00 1,200 Gulls circling overhead due pyros fired by workers <br /> 2013 <br /> Jan 3 13:30-16:45 800 CA, WE Gulls feeding among pyro shots. CA (80%), WE (20%) <br /> o Jan 17 11:00-14:15 6,200 CA, WE Gulls feedingamong pyro shots by workers. CA (85%), WE (15%) <br /> Jan 21 09:00-12:00 3,600 CA, WE Gulls feeding. CA (90%), WE (10%). Pyros used by workers with little effect <br /> Feb 4 12:00-15:00 2,600 CA, WE Gulls feeding. CA (85%), WE (15%). Pyros start when observer arrives <br /> Feb 14 13:00-16:00 2,400 CA, WE Gulls feeding. CA(80%), WE (20%); Pyrotechnics being used <br /> Feb 18 12:00-15:00 1,200 CA, WE Gulls feeding. CA(85%), WE (15%); Pyrotechnics being used all day o <br /> Feb 25 14:00-17:00 3,200 CA, WE Gulls feeding. CA(80%), WE (20%); No pyros used. Gulls leave to W <br /> Mar 4 08:00-11:45 n/a CA, WE Heavy use of pyros. No gull count. � <br /> Mar 18 09:00-12:00 2,400 CA, WE CA (80%), WE (20%); Pyros used when observer present but not later a <br /> Mar 25 13:00-16:00 600 CA, WE Many gulls have left and gone to North County to feed. <br /> Mar 28 08:00-11:00 1,500 CA, WE Gulls feeding. CA (85%), WE (15%); arrive from W. Pyros used <br /> Apr 2 08:00-11:00 1,400 CA, WE Gulls feeding. CA (80%), WE (20%); Pyros used when observer present <br /> Apr 9 08:00-11:00 20 CA, WE Heavy use of pyros. No gull count. s <br /> b Apr 22 08:00-11:30 0 CA, WE No gulls present p <br /> co <br /> o �• <br /> w <br />