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esdlay.f
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SUBROUTINE ESDLAY (ISPE,IAS,DRAW,DELAY)
IMPLICIT NONE
C----------
C CI $Id$
C----------
C
COMMONS
C
C
INCLUDE 'PRGPRM.F77'
C
C
INCLUDE 'ESPARM.F77'
C
C
INCLUDE 'ESCOMN.F77'
C
C
INCLUDE 'ESCOM2.F77'
C
C
COMMONS
C----------
C CONTAINS WEIBULL MAXIMUM LIKLIHOOD FUNCTIONS FOR DETERMINING
C THE NUMBER OF YEARS BETWEEN LAST PLOT DISTURBANCE AND
C GERMINATION OF BEST TREES.
C-----------
INTEGER IAS,ISPE,IT,IBW,IB,IBAA,I
REAL BSUB(3,MAXSP),CSUB(3,MAXSP),BBW(3,4),CBW(3,4),
& BADV(2,MAXSP),CADV(2,MAXSP),BBW1(2,4),CBW1(2,4),BBW2(2,4),
& CBW2(2,4)
REAL DELAY,DRAW,BB,CC
C----------
C SPECIES LIST FOR CENTRAL IDAHO VARIANT.
C
C 1 = WESTERN WHITE PINE (WP) PINUS MONTICOLA
C 2 = WESTERN LARCH (WL) LARIX OCCIDENTALIS
C 3 = DOUGLAS-FIR (DF) PSEUDOTSUGA MENZIESII
C 4 = GRAND FIR (GF) ABIES GRANDIS
C 5 = WESTERN HEMLOCK (WH) TSUGA HETEROPHYLLA
C 6 = WESTERN REDCEDAR (RC) THUJA PLICATA
C 7 = LODGEPOLE PINE (LP) PINUS CONTORTA
C 8 = ENGLEMANN SPRUCE (ES) PICEA ENGELMANNII
C 9 = SUBALPINE FIR (AF) ABIES LASIOCARPA
C 10 = PONDEROSA PINE (PP) PINUS PONDEROSA
C 11 = WHITEBARK PINE (WB) PINUS ALBICAULIS
C 12 = PACIFIC YEW (PY) TAXUS BREVIFOLIA
C 13 = QUAKING ASPEN (AS) POPULUS TREMULOIDES
C 14 = WESTERN JUNIPER (WJ) JUNIPERUS OCCIDENTALIS
C 15 = CURLLEAF MOUNTAIN-MAHOGANY (MC) CERCOCARPUS LEDIFOLIUS
C 16 = LIMBER PINE (LM) PINUS FLEXILIS
C 17 = BLACK COTTONWOOD (CW) POPULUS BALSAMIFERA VAR. TRICHOCARPA
C 18 = OTHER SOFTWOODS (OS)
C 19 = OTHER HARDWOODS (OH)
C-----------
C PLOT AGE (YRS): 2 THRU 7 8 THRU 12 13 THRU 20
C-----------
DATA BSUB/
1 3.52946, 7.62339, 12.79801,
2 5.23792, 7.38005, 10.42350,
3 4.34376, 6.55916, 9.16226,
4 4.17909, 5.88262, 8.49857,
5 4.33094, 6.30802, 8.63060,
6 4.16284, 7.52536, 10.20937,
7 5.33757, 6.78727, 9.45827,
8 5.36466, 7.44468, 9.69507,
9 3.45725, 6.34975, 8.65545,
O 3.81610, 5.74622, 9.36345,
1 0., 0., 0.,
2 0., 0., 0.,
3 0., 0., 0.,
4 0., 0., 0.,
5 0., 0., 0.,
6 0., 0., 0.,
7 0., 0., 0.,
8 4.33094, 6.30802, 8.63060,
9 0., 0., 0./
C
DATA BBW/ 4.01218, 5.86172, 10.61297,
4 3.67409, 6.12256, 8.74195,
8 5.92251, 8.62548, 8.76074,
9 4.11555, 6.19124, 8.82962/
C----------
C PLOT AGE (YRS): 3 THRU 7 8 THRU 12 13 THRU 20
C----------
DATA CSUB/
1 1.71621, 2.72466, 3.98359,
2 3.11598, 3.04038, 2.87196,
3 2.33194, 2.63560, 2.21663,
4 2.47058, 2.25957, 2.00065,
5 1.97408, 2.35053, 2.00997,
6 2.03892, 3.12279, 2.68340,
7 4.16994, 3.59937, 2.39138,
8 2.89777, 2.80504, 3.27745,
9 2.06804, 2.79933, 2.28687,
O 3.01975, 2.09376, 1.80925,
1 0., 0., 0.,
2 0., 0., 0.,
3 0., 0., 0.,
4 0., 0., 0.,
5 0., 0., 0.,
6 0., 0., 0.,
7 0., 0., 0.,
8 1.97408, 2.35053, 2.00997,
9 0., 0., 0./
C
DATA CBW/ 2.16561, 2.16010, 2.44953,
4 2.19139, 2.38522, 2.03146,
8 3.31325, 5.21269, 2.30270,
9 1.98007, 2.84149, 2.46665/
C----------
C OVERSTORY BA: 0 TO 25 26+ SQ.FT./A.
C NO BUDWORM BEFORE HARVEST
C----------
DATA BADV/
1 6.699826, 13.431179,
2 9.768223, 27.100242,
3 13.121021, 22.186540,
4 11.269182, 18.245664,
5 13.604594, 19.605485,
6 17.779381, 24.241344,
7 7.358880, 32.955809,
8 13.990273, 21.779362,
9 21.962337, 32.176727,
O 8.986115, 10.312660,
1 0., 0.,
2 0., 0.,
3 0., 0.,
4 0., 0.,
5 0., 0.,
6 0., 0.,
7 0., 0.,
8 13.604594, 19.605485,
9 0., 0./
C----------
C BUDWORM 1-3 YEARS BEFORE HARVEST
C----------
DATA BBW1/ 16.856252, 18.601097,
4 11.393035, 19.994331,
8 8.388204, 18.023409,
9 20.207660, 30.052681/
C----------
C BUDWORM 4-5 YEARS BEFORE HARVEST
C----------
DATA BBW2/ 18.833076, 17.660965,
4 16.154050, 13.936793,
8 10.587442, 16.554662,
9 25.512363, 20.555202/
C----------
C NO BUDWORM BEFORE HARVEST
C----------
DATA CADV/
1 1.262533, 1.279302,
2 1.152577, 1.319692,
3 1.043254, 1.215651,
4 1.122139, 1.082805,
5 1.267057, 1.287445,
6 1.337217, 1.540663,
7 0.912295, 1.230540,
8 1.051296, 1.416222,
9 1.101266, 1.317022,
O 1.068472, 1.470405,
1 0., 0.,
2 0., 0.,
3 0., 0.,
4 0., 0.,
5 0., 0.,
6 0., 0.,
7 0., 0.,
8 1.267057, 1.287445,
9 0., 0./
C----------
C BUDWORM 1-3 YEARS BEFORE HARVEST
C----------
DATA CBW1/ 1.165449, 1.182513,
4 1.137030, 1.355774,
8 1.332778, 1.502281,
9 1.660504, 1.832537/
C----------
C BUDWORM 4-5 YEARS BEFORE HARVEST
C----------
DATA CBW2/ 1.307195, 1.938481,
4 1.330297, 1.311782,
8 1.470496, 1.207402,
9 1.871949, 1.248784/
C----------
IT=1
IF(TIME.GT.7.5.AND.TIME.LT.12.5) IT=2
IF(TIME.GT.12.5) IT=3
IBW=INT(BWB4 + BWAF + 0.5)
IB=1
IF(IBW.GT.2) IB=2
IBAA=1
IF(BAA.GT.25.5) IBAA=2
IF(IAS.EQ.2) GO TO 20
C----------
C ADVANCE REGENERATION
C----------
BB=BADV(IBAA,ISPE)
CC=CADV(IBAA,ISPE)
IF(BWB4.LT.0.5) GO TO 40
IF(ISPE.NE.3.AND.ISPE.NE.4.AND.ISPE.NE.8.AND.ISPE.NE.9)
& GO TO 40
IF(ISPE.EQ.3) I=1
IF(ISPE.EQ.4) I=2
IF(ISPE.EQ.8) I=3
IF(ISPE.EQ.9) I=4
IF(BWB4.GT.3.5) GO TO 45
BB=BBW1(IBAA,I)
CC=CBW1(IBAA,I)
GO TO 40
45 CONTINUE
BB=BBW2(IBAA,I)
CC=CBW2(IBAA,I)
40 CONTINUE
DELAY=((-(ALOG(1.0-DRAW)))**(1.0/CC))*BB
DELAY= (DELAY+3.0) *(-1.0)
GO TO 50
20 CONTINUE
C----------
C SUBSEQUENT REGENERATION
C----------
BB=BSUB(IT,ISPE)
CC=CSUB(IT,ISPE)
IF(IB.NE.2) GO TO 30
IF(ISPE.NE.3.AND.ISPE.NE.4.AND.ISPE.NE.8.AND.ISPE.NE.9)
& GO TO 30
IF(ISPE.EQ.3) I=1
IF(ISPE.EQ.4) I=2
IF(ISPE.EQ.8) I=3
IF(ISPE.EQ.9) I=4
BB=BBW(IT,I)
CC=CBW(IT,I)
30 CONTINUE
DELAY=((-(ALOG(1.0-DRAW)))**(1.0/CC))*BB
DELAY=DELAY-4.0
50 CONTINUE
C
IF(DELAY .GE. 10.)THEN
DELAY=10.
ELSEIF(DELAY .LE. 0.)THEN
DELAY=0.
ENDIF
C
RETURN
END