isocline


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isocline

[′ī·sə‚klīn]
(geology)
A fold of strata so tightly compressed that parts on each side dip in the same direction.
References in periodicals archive ?
From (20), at point A, on the [dot.k] = 0 isocline corresponding to n = [bar.n], q = m([k.sub.1]) + a([bar.n]) - ([omega] + [theta])[k.sub.1].
By (7) and the Implicit Function Theorem, the [Mathematical Expression Omitted] isocline does not shift, since [Mathematical Expression Omitted], while the [Mathematical Expression Omitted] isocline shifts up because [Mathematical Expression Omitted].
The isocline [L.sub.1] of message 1 can be subdivided into [L.sub.11] and [L.sub.12] as follows:
Vertical isocline [l.sub.1]:P = (k([N.sub.0] - N)([H.sub.N] + N))/(([alpha][beta]-em)N[epsilon]m[H.sub.N]).
The first condition is no local coexistence, which requires that isodine 2 has a lower slope than isocline 1 (Roughgarden 1979).
5a), and that the producer isocline is then much less likely to have a significant "hump" (Fig.
Let us study the isoclines of the system, that is, the sets defined by [x.sub.1] = [H.sub.1]([x.sub.1],[x.sub.2]) and [x.sub.2] = [H.sub.2]([x.sub.1], [x.sub.2]).
Obviously, the x-axis, the vertical isocline dx/dt = 0, and the unstable and stable flow of ([x.sub.2], [y.sub.2]) are all intersected with the impulse set x = h and phase set x = h + [tau].
The interior (positive) equilibria can be evaluated by the intersections of the zero isoclines
Evolution of the predator isocline. Evolution 27:84-94.
This way, the self-thinning line for a set area in Petraitis' model becomes an isocline for zero patch areal change [I.sub.1], The zero growth isocline is augmented by isoclines [I.sub.f], which represent either an increase (f [is greater than] 1) or a decrease (f[is less than] 1) in patch area and lie parallel to the zero growth isocline.
Obviously, the system (11) exhibits prey isocline [L.sub.1] : y = (1 - x)(x + a), predator isocline [L.sub.2] : y = ([delta]/[beta])x, nontrivial equilibrium points [E.sub.0](1,0), and E([x.sup.*],[y.sup.*]), and here;