[Mon Jan 19 12:02:23 1998] Log file created [Mon Jan 19 12:04:36 1998] Settings changed [Mon Jan 19 12:04:38 1998] Running CANOCO: [Mon Jan 19 12:04:38 1998] CON file [C:\canoco\samples\VEGCHANG\fig2.con] saved Program CANOCO Version 4.0 September 1997 - written by Cajo J.F. Ter Braak Copyright (c) 1988-1997 Centre for Biometry, CPRO-DLO Box 100, 6700 AC Wageningen, the Netherlands. CANOCO performs (partial) (detrended) (canonical) correspondence analysis, principal components analysis and redundancy analysis. CANOCO is an extension of Cornell Ecology program DECORANA (Hill,1979) For explanation of the input/output see the manual or Ter Braak, C.J.F. (1995) Ordination. Chapter 5 in: Data Analysis in Community and Landscape Ecology (Jongman, R.H.G., Ter Braak, C.J.F. and Van Tongeren, O.F.R., Eds) Cambridge University Press, Cambridge, UK, 91-173 pp. *** Type of analysis *** Model Gradient analysis indirect direct hybrid linear 1=PCA 2= RDA 3 unimodal 4= CA 5= CCA 6 ,, 7=DCA 8=DCCA 9 10=non-standard analysis Type analysis number Answer = 2 *** Data files *** Species data : GRID_SPE.DTA Covariable data : Environmental data : GRID_ENV.DTA Initialization file: Forward selection of envi. variables = 0 Scaling of ordination scores = 1 Diagnostics = 1 File : GRID_SPE.DTA Title : 20 X 20 vegetation samples of wetland KOOLMANSDIJK (ter Braak & Wiertz 1994) Format : (I5,8(I5,F4.0)) No. of couplets of species number and abundance per line : 8 No samples omitted Number of samples 40 Number of species 100 Number of occurrences 1572 File : GRID_ENV.DTA Title : 5*4 gridcells, 4 strips, 2 years, pH/waterd KOOLMANSDIJK (ter Braak & Wiertz 1 Format : (I3,3(I3,F3.0),I3,F6.0,2(I3,F5.0)) No. of environmental variables : 30 *** Interaction terms *** Variable 31 = variable 21 * variable 26 Variable 32 = variable 22 * variable 26 Variable 33 = variable 23 * variable 26 Variable 34 = variable 24 * variable 26 Variable 35 = variable 25 * variable 26 Variable 36 = variable 21 * variable 27 Variable 37 = variable 22 * variable 27 Variable 38 = variable 23 * variable 27 Variable 39 = variable 24 * variable 27 Variable 40 = variable 25 * variable 27 No transformation of species data No species-weights specified No sample-weights specified Centring/standardization by species = 1 Centring/standardization by samples = 0 No. of active samples: 40 No. of passive samples: 0 No. of active species: 100 Total sum of squares in species data = 1124.95 Total standard deviation in species data TAU = .530318 ****** Collinearity detected when fitting variable 20 ****** ****** Collinearity detected when fitting variable 27 ****** ****** Collinearity detected when fitting variable 35 ****** ****** Collinearity detected when fitting variable 36 ****** ****** Collinearity detected when fitting variable 37 ****** ****** Collinearity detected when fitting variable 38 ****** ****** Collinearity detected when fitting variable 39 ****** ****** Collinearity detected when fitting variable 40 ****** 1 **** Correlation matrix **** SPEC AX1 1.0000 SPEC AX2 -.0024 1.0000 SPEC AX3 .0048 -.0077 1.0000 SPEC AX4 -.0003 .0025 -.0004 1.0000 ENVI AX1 .9941 .0000 .0000 .0000 1.0000 ENVI AX2 .0000 .9918 .0000 .0000 .0000 1.0000 ENVI AX3 .0000 .0000 .9861 .0000 .0000 .0000 1.0000 ENVI AX4 .0000 .0000 .0000 .9596 .0000 .0000 .0000 1.0000 A1 .3183 .1464 -.2332 .0681 .3202 .1476 -.2365 .0709 A2 .2349 .2094 -.2404 -.0152 .2363 .2111 -.2438 -.0158 A3 .1430 .3935 -.0432 .3659 .1438 .3967 -.0438 .3813 A4 .1222 .2662 .1934 .1942 .1229 .2684 .1962 .2023 B1 .2350 -.0426 -.3185 -.1328 .2364 -.0429 -.3230 -.1384 B2 .1807 .0921 -.0460 -.2343 .1817 .0928 -.0467 -.2442 B3 .0879 .1819 .2094 .1526 .0884 .1834 .2124 .1590 B4 .0828 .0727 .5072 .1720 .0833 .0733 .5144 .1793 C1 .1860 -.1045 -.1533 -.1921 .1871 -.1054 -.1555 -.2001 C2 .0972 -.0697 .0743 -.2954 .0978 -.0703 .0753 -.3079 C3 .0060 -.0187 .1816 -.3180 .0060 -.0189 .1842 -.3314 C4 -.0548 -.1076 .3251 -.0488 -.0552 -.1085 .3297 -.0508 D1 -.1086 -.1462 .0535 -.2375 -.1093 -.1474 .0543 -.2475 D2 -.0539 -.1145 .0160 -.2307 -.0542 -.1155 .0162 -.2404 D3 -.2221 -.2080 .2012 .0066 -.2235 -.2097 .2040 .0069 D4 -.2011 -.0931 .0904 .0554 -.2023 -.0938 .0916 .0577 E1 -.2519 -.1356 -.2140 .0960 -.2534 -.1367 -.2170 .1001 E2 -.2698 -.1616 -.2126 .1936 -.2714 -.1629 -.2156 .2017 E3 -.2684 -.0935 -.3444 .1938 -.2700 -.0942 -.3493 .2020 E5 -.2633 -.0666 -.0465 .2065 -.2649 -.0672 -.0472 .2152 1977 .5227 -.6868 .0256 .3492 .5258 -.6924 .0260 .3640 1988 -.5227 .6868 -.0256 -.3492 -.5258 .6924 -.0260 -.3640 A *1977 .5181 .0636 .0000 .3988 .5212 .0641 .0000 .4157 B *1977 .4363 -.1681 .1518 .0406 .4388 -.1695 .1540 .0423 C *1977 .2845 -.3206 .1145 -.2019 .2862 -.3233 .1162 -.2104 D *1977 -.0608 -.3739 .0759 -.1503 -.0611 -.3770 .0770 -.1567 E *1977 -.3069 -.3456 -.2996 .4949 -.3087 -.3484 -.3039 .5158 A *1988 .0764 .6741 -.2349 .0464 .0768 .6797 -.2382 .0484 B *1988 -.0102 .3891 .1040 -.0714 -.0103 .3923 .1055 -.0745 C *1988 -.1142 .1023 .1961 -.4186 -.1149 .1031 .1989 -.4363 D *1988 -.3647 -.0342 .1864 -.1447 -.3669 -.0345 .1890 -.1508 E *1988 -.4583 .0134 -.2942 .0063 -.4610 .0135 -.2984 .0066 SPEC AX1 SPEC AX2 SPEC AX3 SPEC AX4 ENVI AX1 ENVI AX2 ENVI AX3 ENVI AX4 A1 1.0000 A2 -.0526 1.0000 A3 -.0526 -.0526 1.0000 A4 -.0526 -.0526 -.0526 1.0000 B1 -.0526 -.0526 -.0526 -.0526 1.0000 B2 -.0526 -.0526 -.0526 -.0526 -.0526 1.0000 B3 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 1.0000 B4 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 1.0000 C1 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 C2 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 C3 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 C4 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 D1 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 D2 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 D3 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 D4 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 E1 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 E2 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 E3 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 E5 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 1977 .0000 .0000 .0000 .0000 .0000 .0000 .0000 .0000 1988 .0000 .0000 .0000 .0000 .0000 .0000 .0000 .0000 A *1977 .3059 .3059 .3059 .3059 -.0765 -.0765 -.0765 -.0765 B *1977 -.0765 -.0765 -.0765 -.0765 .3059 .3059 .3059 .3059 C *1977 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 D *1977 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 E *1977 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 A *1988 .3059 .3059 .3059 .3059 -.0765 -.0765 -.0765 -.0765 B *1988 -.0765 -.0765 -.0765 -.0765 .3059 .3059 .3059 .3059 C *1988 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 D *1988 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 E *1988 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 A1 A2 A3 A4 B1 B2 B3 B4 C1 1.0000 C2 -.0526 1.0000 C3 -.0526 -.0526 1.0000 C4 -.0526 -.0526 -.0526 1.0000 D1 -.0526 -.0526 -.0526 -.0526 1.0000 D2 -.0526 -.0526 -.0526 -.0526 -.0526 1.0000 D3 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 1.0000 D4 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 1.0000 E1 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 E2 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 E3 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 E5 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 -.0526 1977 .0000 .0000 .0000 .0000 .0000 .0000 .0000 .0000 1988 .0000 .0000 .0000 .0000 .0000 .0000 .0000 .0000 A *1977 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 B *1977 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 C *1977 .3059 .3059 .3059 .3059 -.0765 -.0765 -.0765 -.0765 D *1977 -.0765 -.0765 -.0765 -.0765 .3059 .3059 .3059 .3059 E *1977 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 A *1988 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 B *1988 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 C *1988 .3059 .3059 .3059 .3059 -.0765 -.0765 -.0765 -.0765 D *1988 -.0765 -.0765 -.0765 -.0765 .3059 .3059 .3059 .3059 E *1988 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 -.0765 C1 C2 C3 C4 D1 D2 D3 D4 E1 1.0000 E2 -.0526 1.0000 E3 -.0526 -.0526 1.0000 E5 -.0526 -.0526 -.0526 1.0000 1977 .0000 .0000 .0000 .0000 1.0000 1988 .0000 .0000 .0000 .0000 -1.0000 1.0000 A *1977 -.0765 -.0765 -.0765 -.0765 .3333 -.3333 1.0000 B *1977 -.0765 -.0765 -.0765 -.0765 .3333 -.3333 -.1111 1.0000 C *1977 -.0765 -.0765 -.0765 -.0765 .3333 -.3333 -.1111 -.1111 D *1977 -.0765 -.0765 -.0765 -.0765 .3333 -.3333 -.1111 -.1111 E *1977 .3059 .3059 .3059 .3059 .3333 -.3333 -.1111 -.1111 A *1988 -.0765 -.0765 -.0765 -.0765 -.3333 .3333 -.1111 -.1111 B *1988 -.0765 -.0765 -.0765 -.0765 -.3333 .3333 -.1111 -.1111 C *1988 -.0765 -.0765 -.0765 -.0765 -.3333 .3333 -.1111 -.1111 D *1988 -.0765 -.0765 -.0765 -.0765 -.3333 .3333 -.1111 -.1111 E *1988 .3059 .3059 .3059 .3059 -.3333 .3333 -.1111 -.1111 E1 E2 E3 E5 1977 1988 A *1977 B *1977 C *1977 1.0000 D *1977 -.1111 1.0000 E *1977 -.1111 -.1111 1.0000 A *1988 -.1111 -.1111 -.1111 1.0000 B *1988 -.1111 -.1111 -.1111 -.1111 1.0000 C *1988 -.1111 -.1111 -.1111 -.1111 -.1111 1.0000 D *1988 -.1111 -.1111 -.1111 -.1111 -.1111 -.1111 1.0000 E *1988 -.1111 -.1111 -.1111 -.1111 -.1111 -.1111 -.1111 1.0000 C *1977 D *1977 E *1977 A *1988 B *1988 C *1988 D *1988 E *1988 N name (weighted) mean stand. dev. inflation factor 1 SPEC AX1 .0000 .5175 2 SPEC AX2 .0000 .4026 3 SPEC AX3 .0000 .2431 4 SPEC AX4 .0000 .2333 5 ENVI AX1 .0000 .5144 6 ENVI AX2 .0000 .3993 7 ENVI AX3 .0000 .2397 8 ENVI AX4 .0000 .2239 1 A1 .0500 .2179 2.3750 2 A2 .0500 .2179 2.3750 3 A3 .0500 .2179 2.3750 4 A4 .0500 .2179 2.3750 5 B1 .0500 .2179 2.3750 6 B2 .0500 .2179 2.3750 7 B3 .0500 .2179 2.3750 8 B4 .0500 .2179 2.3750 9 C1 .0500 .2179 2.3750 10 C2 .0500 .2179 2.3750 11 C3 .0500 .2179 2.3750 12 C4 .0500 .2179 2.3750 13 D1 .0500 .2179 2.3750 14 D2 .0500 .2179 2.3750 15 D3 .0500 .2179 2.3750 16 D4 .0500 .2179 2.3750 17 E1 .0500 .2179 1.9000 18 E2 .0500 .2179 1.9000 19 E3 .0500 .2179 1.9000 20 E5 .0500 .2179 .0000 26 1977 .5000 .5000 5.0000 27 1988 .5000 .5000 .0000 31 A *1977 .1000 .3000 3.6000 32 B *1977 .1000 .3000 3.6000 33 C *1977 .1000 .3000 3.6000 34 D *1977 .1000 .3000 3.6000 35 E *1977 .1000 .3000 .0000 36 A *1988 .1000 .3000 .0000 37 B *1988 .1000 .3000 .0000 38 C *1988 .1000 .3000 .0000 39 D *1988 .1000 .3000 .0000 40 E *1988 .1000 .3000 .0000 **** Summary **** Axes 1 2 3 4 Total variance Eigenvalues : .265 .159 .057 .050 1.000 Species-environment correlations : .994 .992 .986 .960 Cumulative percentage variance of species data : 26.5 42.4 48.2 53.2 of species-environment relation: 31.8 51.0 57.9 63.9 Sum of all unconstrained eigenvalues 1.000 Sum of all canonical eigenvalues .832 1 File with supplementary variables: GRID_ENV.DTA File : GRID_ENV.DTA Title : 5*4 gridcells, 4 strips, 2 years, pH/waterd KOOLMANSDIJK (ter Braak & Wiertz 1 Format : (I3,3(I3,F3.0),I3,F6.0,2(I3,F5.0)) No. of environmental variables : 30 No interaction terms defined ****** Collinearity detected when fitting variable 27 ****** ****** Collinearity detected when fitting variable 30 ****** 1 **** Correlation matrix **** SPEC AX1 1.0000 SPEC AX2 -.0024 1.0000 SPEC AX3 .0048 -.0077 1.0000 SPEC AX4 -.0003 .0025 -.0004 1.0000 ENVI AX1 .9568 -.0544 -.0978 -.0387 1.0000 ENVI AX2 -.0660 .7885 -.0664 -.4519 -.0690 1.0000 ENVI AX3 -.3020 -.1690 .3098 -.0306 -.3156 -.2144 1.0000 ENVI AX4 -.0762 -.7335 -.0195 .4858 -.0796 -.9302 -.0630 1.0000 1977 .5227 -.6868 .0256 .3492 .5463 -.8709 .0826 .7189 1988 -.5227 .6868 -.0256 -.3492 -.5463 .8709 -.0826 -.7189 pH88 .7706 .3522 -.2047 -.2092 .8054 .4467 -.6608 -.4307 Waterd88 -.7741 -.3851 .0568 .3157 -.8090 -.4884 .1834 .6499 Waterdep -.9110 .2368 .0202 -.0384 -.9521 .3004 .0654 -.0789 SPEC AX1 SPEC AX2 SPEC AX3 SPEC AX4 ENVI AX1 ENVI AX2 ENVI AX3 ENVI AX4 1977 1.0000 1988 -1.0000 1.0000 pH88 .0000 .0000 1.0000 Waterd88 .0000 .0000 -.8578 1.0000 Waterdep -.7288 .7288 -.5873 .6847 1.0000 1977 1988 pH88 Waterd88 Waterdep N name (weighted) mean stand. dev. inflation factor 1 SPEC AX1 .0000 .5175 2 SPEC AX2 .0000 .4026 3 SPEC AX3 .0000 .2431 4 SPEC AX4 .0000 .2333 5 ENVI AX1 .0000 .4951 6 ENVI AX2 .0000 .3175 7 ENVI AX3 .0000 .0753 8 ENVI AX4 .0000 .1134 26 1977 .5000 .5000 1.0000 27 1988 .5000 .5000 .0000 28 pH88 3.8875 .1852 3.7848 29 Waterd88 130.4000 12.6823 3.7848 30 Waterdep 116.9000 18.5227 .0000 **** Summary **** Axes 1 2 3 4 Total variance Species-environment correlations : .957 .789 .310 .486 Cumulative percentage variance of species data : 26.5 42.4 48.2 53.2 of species-environment relation: 63.3 89.4 90.8 .0 Sum of all unconstrained eigenvalues 1.000 Sum of all canonical eigenvalues .387 [Mon Jan 19 12:04:47 1998] CANOCO call succeeded