. Bulletin. Science; Natural history; Natural history. SELECTIVE PRESSURE ON PREDATOR AND PREY 181 P-00. P -0 Fig. 5. Density-dependent model where dHJdl is dependent on Ht'. and dH^ldt is dependent on H^. P* = equiiibiium point; arrows show movement of//i and Hz in the planes; P decrease in the shaded region and increases in the unshaded area. The parabolic isocline of//i opens parallel to the H2 axis, while the isocline of H2 opens parallel to the H, axis. The parabolas always cross at Hi = Ho = 0 (Fig. 5). A real positive equilibrium point occurs when = A4 = 0 if: - C4 + (c,' + (4ec3CrJ
. Bulletin. Science; Natural history; Natural history. SELECTIVE PRESSURE ON PREDATOR AND PREY 181 P-00. P -0 Fig. 5. Density-dependent model where dHJdl is dependent on Ht'. and dH^ldt is dependent on H^. P* = equiiibiium point; arrows show movement of//i and Hz in the planes; P decrease in the shaded region and increases in the unshaded area. The parabolic isocline of//i opens parallel to the H2 axis, while the isocline of H2 opens parallel to the H, axis. The parabolas always cross at Hi = Ho = 0 (Fig. 5). A real positive equilibrium point occurs when = A4 = 0 if: - C4 + (c,' + (4ec3CrJks)r'' ^ (C2A-3 + /cal 2e > Cika (7) or when A:2, A:i > 0 if: -(C4A-3 + C3A-4) + ((cAks + CgAJ' + 4ec3CsA:3)'"' 2ek„ (Ifk^c^ + c, + C2A4A3) - ((2/A-4C., + ci + c-2A:4A:3)' - ^Jk^^kaCzCj - fc^)) 2fk^. 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 Southern California Academy of Sciences. Los Angeles, Calif. : The Academy
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Keywords: ., bookcentury1900, booksubjectnaturalhistory, booksubjectscience
