Using this equation, and based on the counts of adult sea lions shown in Fig. 6,

Question

Using this equation, and based on the counts of adult sea lions shown in Fig. 6, approximately how large was the sea lion population in Prince William Sound (PWS) in 1973? Choose F if you cannot tell from the information provided. 5000 150 4000 120 Stellers Herring Spawn un 3000 90 D 2000 r = 0.72 1000 30 1973 1976 1989 1990 1991 1992 1993 1994 1996 1999 2000 2002 2004 Year Fig 6. Correlation between aerial survey index of herring in PWS and corresponding agency aerial survey counts of adult Steller sea lions in PWS, 1973-2004. (Thorne, 2009) A) 3,250 B) 9,600 C) 11,150 D) 124,400 E) 153,000 F) Cannot tell from the information provided

Explanation / Answer

The population of adult sea lion (Stellers) in 1973 as deciphered from the graph is 3250.

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