. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 120 CALIFORNIA FISH AND GAME TOTAL POPULATION 1972- 1979 —. FIGURE 2. Harbor seal counts in the Mowry Slough area for 1972 and 1979 showing the pattern of seasonal fluctuation in seal numbers. TABLE 1. Maximum Monthly Counts of Harbor Seals in the Mowry Slough Area for 1972- 1977 and 1979-1980 Year Jan Feb Mar Apr May 1972' nc 15' 47 297 277 1973' 23 nc 67 314 216 1974' nc 50 106 3181 HI* 1975^ nc nc 321 nc nc 1976* nc 911 141 j 306 3
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 120 CALIFORNIA FISH AND GAME TOTAL POPULATION 1972- 1979 —. FIGURE 2. Harbor seal counts in the Mowry Slough area for 1972 and 1979 showing the pattern of seasonal fluctuation in seal numbers. TABLE 1. Maximum Monthly Counts of Harbor Seals in the Mowry Slough Area for 1972- 1977 and 1979-1980 Year Jan Feb Mar Apr May 1972' nc 15' 47 297 277 1973' 23 nc 67 314 216 1974' nc 50 106 3181 HI* 1975^ nc nc 321 nc nc 1976* nc 911 141 j 306 316 1977 24 nc nc nc 281 t 1979 nc 591 1211 203 320 1980 28 nc 72 j nc 285 j nc = No count • = count made during unfavorable tide conditions t = aerial survey ' = Fancher 1979 * = Risebrough et al. 1980 jun Jul Aug Sep Oct Nov Dec 192 44 31 25 nc nc 6* 161 nc nc 21 29 29 3* 111 59 23 17 nc 15* nc nc 23 t nc nc 22 t 13f lot* 244 99 nc nc 23 t nc nc nc nc nc nc nc 21 nc 155 138 25 27 35 40 24 160 99 90 28 24 nc nc Currently available information indicates that many seals leave Mov^ry Slough after pupping season and may move outside of San Francisco Bay. An increase in seal numbers following pupping season has been noted on the coast at Bolinas Lagoon (Figure 1). Strawberry Spit (Figure 1) may be the eventual destination of some of the seals that leave Mowry Slough because seal numbers at Strawber- ry fluctuate reciprocally with those of Mowry Slough (Fancher 1979; Risebrough et al. 1980). However, seals do not appear at Strawberry Spit in peak numbers until the winter Pacific herring, Clupea harengus pallasii, run into Richardson Bay; the highest number of seals observed at Strawberry in January 1976 repre-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original California. Dept. of Fish and Game; California. Fis
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