APPENDIX C

XIV. Bisley Experimental Watershed biomass changes

Time - months after the hurricane for each measurement, Biomass - total plot biomass in Kg dry mass per 78.5 m2, API - Average Pioneer Index, based on stems at the time of the second measurement. Values are averaged for each category of growth.
Plot Basal Area API Measurement 1a Measurement 2 Growth Damaged (%) Time Biomass Time Biomass Kg/m2/mon t/ha/yr
Low Growth 080480 49.0 1.8 3 152.5 41 295.9 0.0481 5.772 160360 0.0 2.0 3 2.6 41 152.6 0.0512 6.144 280440 0.0 1.6 3 50.7 40 224.8 0.0599 7.188 200480 0.0 1.8 3 437.6 41 617.5 0.0603 7.236 240640 65.6 1.6 3 744.0 37 917.4 0.0650 7.800 average 22.9 1.8 560.9 751.5 0.0569 6.828
Medium Growth 160680 92.0 1.9 3 473.8 41 723.9 0.0839 10.068 120720 0.0 1.1 3 4944.4 37 5180.0 0.0844 10.128 240440 0.0 1.6 3 278.4 41 550.5 0.0912 10.944 080440 6.3 1.7 3 1569.4 41 1845.3 0.0925 11.100 160480 18.9 1.6 3 341.3 41 676.8 0.1124 13.488 240560 0.0 1.9 3 496.1 40 827.7 0.1141 13.692 120360 0.0 1.9 3 17.3 41 363.7 0.1162 13.944 200680 0.8 1.8 3 3501.8 41 3883.7 0.1281 15.372 240360 5.4 1.6 3 381.5 38 647.6 0.1332 15.984 200720 89.6 1.8 3 107.2 41 504.6 0.1333 15.996 240720 0.0 1.5 3 1906.2 41 2312.7 0.1363 16.356 160440 0.0 1.8 3 2273.3 41 2713.9 0.1477 17.724 average 17.8 1.7 1357.6 1685.1 0.1144 13.728
High Growth 240400 0.0 1.3 3 2486.0 38 2941.9 0.1660 19.920 320760 0.0 1.6 3 1963.0 41 2537.5 0.1923 23.076 120440 0.0 1.9 3 982.4 41 1586.1 0.2025 24.300 120480 0.0 1.9 3 13.6 41 631.4 0.2069 24.828 160720 97.2 1.8 3 1055.6 37 1630.1 0.2153 25.836 240600 81.4 1.7 3 1063.1 37 320.0 0.2784 33.408 120680 92.0 1.3 3 473.8 37 723.9 0.3182 38.184 240680 19.8 1.8 3 4753.5 37 5743.8 0.3710 44.520 average 36.3 1.7 1598.9 2014.3 0.2438 29.256
a data from study reported in Scatena and Lugo 1995

XIV. Hurricane Recovery Plot biomass changes

Time - months after the hurricane for each measurement, Biomass - total plot biomass in Kg dry mass per 78.5 m2, API - Average Pioneer Index, based on stems at the time of the second measurement. Values are averaged for each category of growth.
Plot Basal Area API Measurement 1b Measurement 2 Growth Damaged (%) Time Biomass Time Biomass Kg/m2/mon t/ha/yr
Low Growth 0910 0.0 1.5 21 361.3 36 418.3 0.0485 5.820 0612 0.0 1.3 26 3073.3 36 3121.1 0.0606 7.272 average 0.0 1.4 1717.3 1769.7 0.0546 6.552
Medium Growth 0613 0.0 1.3 23 1013.4 39 1114.7 0.0806 9.672 0808 19.1 1.2 19 2655.0 38 2781.0 0.0846 10.152 0815 15.5 1.1 23 983.9 36 1078.8 0.0926 11.112 0901 61.1 1.1 12 1487.7 35 1662.0 0.0964 11.568 1514 69.0 1.2 23 798.8 36 936.8 0.1347 16.164 0922 0.0 1.7 23 2376.6 35 2517.3 0.1493 17.916 average 27.5 1.3 1552.6 1681.8 0.1064 12.768
High Growth 0504 0.0 1.0 14 992.7 36 1281.9 0.1674 20.088 1210 22.5 2.0 22 480.9 36 699.0 0.1987 23.844 0523 4.6 1.3 29 2659.5 36 2775.7 0.2115 25.380 1120 0.0 1.1 28 1902.7 38 2075.7 0.2204 26.448 1320 0.0 1.6 28 1931.3 36 2154.1 0.2364 28.368 0820 43.7 1.8 28 368.7 36 528.1 0.2537 30.444 1111 0.0 1.3 23 1653.7 36 1930.1 0.2709 32.508 1013 0.0 1.3 23 1872.7 36 2259.5 0.3790 45.480 0608 26.8 1.7 19 1044.1 36 1288.7 0.4453 53.436 1419 7.8 1.4 28 1120.4 39 1516.9 0.4593 55.116 average 10.5 1.5 1402.7 1651.0 0.2843 34.116
b data from study reported in Zimmerman et al. 1994 Return to the Table of Contents