Revising the Aster Yellows Index and Management in Wisconsin
Revising the Aster Yellows Index and Management in Wisconsin
Revising the Aster Yellows Index and Management in Wisconsin
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Seasonal trends: ALH abundance<br />
Fit r<strong>and</strong>om effects model to data<br />
Extract <strong>the</strong> conditional expectation of <strong>the</strong> values for<br />
Julian Date (i.e. BLUPs for Julian Date)<br />
Plot BLUPs vs. Julian date <strong>and</strong> fit cubic polynomial<br />
Solve for S = 0<br />
X 1<br />
: 155 (June 3)<br />
X 2<br />
: 216 (August 3)<br />
X 3<br />
: 265<br />
S(λ, df) vs. Julian day for all traps <strong>in</strong> all fields <strong>in</strong> all years<br />
Above average<br />
ALH catches<br />
between X1 <strong>and</strong> X2<br />
Risk “w<strong>in</strong>dow”
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