PJB-2015-66
DIVERSITY AND ECOLOGICAL CHARACTERISTICS OF FLORA OF MASTUJ VALLEY, DISTRICT CHITRAL, HINDUKUSH RANGE, PAKISTAN
FARRUKH HUSSAIN1, S. MUKARAM SHAH1, LAL BADSHAH1 AND MUFAKHIRA JAN DURRANI2
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Abstract
This study revealed that the floristic diversity consisted of 571 species belonging to 82 families including 65 dicots, 13 monocots, 2 gymnosperms and 2 pteridophyte families. There were 334 genera including 3 Pteridophytes, 2 gymnosperms, 54 monocot and 275 dicot genera. Asteraceae (91 Spp., 15.95 %), Poaceae (58 Spp., 10.16 %), Papilionaceae (38 Spp., 6.65 %), Lamiaceae & Rosaceae (each with 26 Spp., 4.55 %), Polygonaceae (25 spp; 4.38), Caryophyllaceae (23 spp.; 4.03%), Apiaceae (21 Spp., 3.68 %), Boraginaceae and Brassicaceae (20 Spp., each with 3.50 %) were the leading families. There were 45 (13.47%), 32 (9.58%), 19 (5.69%), 18 (5.39%) and 16 (4.79%) genera respectively in Asteraceae, Poaceae, Brassicaceae, Apiaceae and Papilionaceae. Flora consisted of 91.59% wild species, 92.64% deciduous species, 92.12% nonspiny species, 80.04% mesophytes and 94.57% heliophytes. Biological spectrum was dominated by therophytes (234 spp., 40.98%), followed by hemicryptophytes (154 spp., 26.97%), geophytes (82 spp., 14.36%), chamaephytes (44 spp., 7.71%), nanophanerophytes (31 spp, 5.43%) and megaphanerophytes (24 spp., 4.20%). The leaf size spectra was dominated by nanophylls (40.98%), leptophylls (24.87%), mesophylls 18.56%) and microphylls (9.11%). Further plant exploration is suggested in this remote inaccessible valley in the Hindukush Range, Pakistan
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