Impact of Coal Mining on Vegetation: A Case Study in Jaintia Hills ...

IMPACT OF COAL MINING ON VEGETATION: A CASE STUDY IN JAINTIA HILLS DISTRICT OF MEGHALAYA, INDIAPolygonum barbata L Polygonaceae 30 2.00 0.180Potentilla fulgens Wall. Rosaceae 43 1.48 0.630Girardinia palmate (Forsk) Gaud. Urticaceae 82 1.65 1.640Pratia begonifolia (Wall.) Lindl. Campanulaceae 26 1.17 0.520Rubus ellipticus Smith. Rosaceae 50 2.97 0.140Scutelleria discolor Benth. Lamiaceae 8 0.70 0.360Senecio cappa Buch.-Ham. Ex D.Don Asteraceae 10 1.04 0.200Smithia ciliata Royle Fabaceae 46 1.50 0.680Solanum aculeatissimum Jacq. Solanaceae 107 5.20 0.110Viola palmaris Ging. Violaceae 98 3.53 0.240Unidentified 91 2.68 0.46011889 200TI= Total Individual IVI= Importance Value Index A= Abundance F=FrequencyTable 4.9: Density, basal area, importance value index and distribution pattern <strong>of</strong> trees,shrubs and herbs in zone-IITrees Family TI BA IVI A/FPinus kesiya Royle. Ex Gordon. Pinaceae 355 20.90 280.27 0.049Schima wallichii (DC.) Korth Theaceae 9 0.10 10.05 0.180Saurauria punduana Wall. Saurauiceae 1 0.01 1.49 0.720Rhus acuminata DC. Anacardiaceae 1 0.07 1.80 0.720Exbucklandia populnea Hammamalidaceae 2 0.03 3.07 0.360Macaranga denticulate Muell.-Arg. Verbenaceae 2 0.04 1.91 1.440Helecia nilagirica Bedd. Proteaceae 1 0.01 1.47 0.720371 21.16 300Shrubs Family TI IVI A/FCastanopsis indica A.Dc. Fagaceae 39 5.83 0.440Circium sp. Asteraceae 18 2.83 0.810Clerodendrum wallichii Merr. Verbenaceae 57 8.66 0.290Eupatorium adenophorum Spreng Asteraceae 271 27.55 0.290Eurya acuminata DC. Theaceae 76 10.67 0.280Ficus clavata Wall ex Miq. Moraceae 1 0.50 0.720Lantana camara Linn. Verbenaceae 274 26.41 0.370Lindera caudata Benth. Lauraceae 7 1.29 1.260Macaranga denticulate Muell.-Arg. Verbenaceae 2 0.56 1.440Melastoma nepalensis Lodd. Melastomaceae 533 48.86 0.250Mahonia pycnophylla (Fedde) Takeda Berberidaceae 10 2.35 0.450Nellia thyrsiflora D.Don Rosaceae 9 1.41 1.620Padocarpus neriifolia D.Don Podocaraceae 5 0.74 3.600Persea duthei (King ex Hk.f) Koster. Lauraceae 2 0.56 1.440Plectranthus striatus Benth. Lamiaceae 37 5.27 0.540Rhus acuminata DC. Anacardiaceae 5 0.74 3.600Rubus ellipticus Smith Rosaceae 153 23.15 0.110Saurauia punduana Wall. Saurauiaceae 18 4.14 0.260Schima wallichii (DC.) Korth Theaceae 8 1.79 0.640Senecio cappa Buch.-Ham.ex D.Don Asteraceae 65 9.14 0.330Sida rhombilolia Linn. Malvaceae 24 4.06 0.480Smilax aspera L. Smilacaceae 11 1.97 0.880Solanum aculeatissimum Jacq. Solanaceae 20 3.82 0.400Symplocos spicata Roxb. Symplocaceae 24 5.38 0.21043