International Scholarly Research Notices / 2011 / Article / Tab 2 / Research Article
Secondary Forest Succession in the Mata Atlantica, Brazil: Floristic and Phytosociological Trends Table 2 Phytosociological indices estimated for four successional stages in three Mata AtlΓ’ntica forest formations; SDF: seasonal deciduous forest, MOF: mixed ombrophylous forest, DOF: dense ombrophylous forest;
π»
ξ
is Shannon-Wienerβs index of diversity,
π½
ξ
is evenness, D is Simpsonβs index.
Forest Type Successional stage Plots (no.) Sampling area (m2 ) Species richness (no.) Family richness (no.)
π»
ξ
a
(nats/ind)
π½
ξ
π·
SDF Shrubby (0β8βy) 10 2000 45 24 2.08 0.400 0.335 Small trees (8β15βy) 10 2000 72 32 3.25 0.760 0.076 Arboreal (15β30βy) 10 2000 94 40 3.98 0.870 0.026 Advanced arboreal (30β60βy) 10 2000 84 33 3.70 0.840 0.036 All stages β 8000 135 46 4.00 0.817 0.034 MOF Shrubby (0β8βy) 10 2000 46 19 2.74 0.719 0.122 Small trees (8β15βy) 10 2000 51 22 3.16 0.797 0.069 Arboreal (15β30βy) 10 2000 95 41 3.76 0.822 0.036 Advanced arboreal (30β60βy) 10 2000 81 34 3.57 0.809 0.052 All stages β 8000 135 45 3.92 0.799 0.035 DOF Shrubby (0β8βy) 20 2000 80 30 3.09 0.705 0.073 Small trees (8β15βy) 20 2000 116 43 3.35 0.700 0.058 Arboreal (15β30βy) 20 2000 163 51 4.24 0.829 0.025 Advanced arboreal (30β60βy) 20 2000 161 48 4.42 0.867 0.019 All stages β 8000 230 55 4.28 0.787 0.031 DOF2 Shrubby (0β8βy) 10 1000 75 29 3.03 0.701 0.081 Small trees (8β15y) 10 1000 92 35 3.32 0.755 0.076 Arboreal (15β30βy) 10 1000 132 46 4.16 0.852 0.026 Advanced arboreal (30β60βy) 10 1000 134 43 4.42 0.902 0.016 All stages β 4000 204 53 4.22 0.794 0.031
a Estimated using the natural logarithm (base e ).
