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Table 3 Increment (proportion of increment) of mean densities and frequencies of woody species inside the ORI compound in relation to the corresponding values outside the ORI compound

From: Enhancement of diversity, stand structure and regeneration of woody species through area exclosure: the case of a mopane woodland in northern Botswana

Species Mean Density Frequency
Exclosure Increment (proportion in %) Exclosure Increment (proportion in %)
Colophospermum mopane 12,307 12,055 (4784) 98.5 13.1 (15)
Vachellia tortilis 444 361 (435) 79.4 40.4 (104)
Grewia retinervis Burret 285 280 (5600) 5.9 − 1.4 (− 24)
Croton megalobotrys 248 − 389 (− 73) 20.6 − 37.9 (− 184)
Philenoptera violacea 173 − 43 (− 20) 33.8 − 24.7 (− 73)
Grewia flavescens 153 124 (428) 25.0 − 16.5 (− 66)
Vachellia erioloba 143 114 (393) 66.2 36.9 (126)
Grewia bicolor 112 100 (833) 38.2 30.9 (423)
Terminalia prunioides 70 67 (2233) 36.8 24.6 (202)
Vachellia nilotica 59 20 (51) 20.6 − 3.8 (− 19)
Boscia albitrunca 40 39 (3900) 51.5 49.1 (2046)
Grewia flava 36 35.6 (8900) 7.4 5 (208)
Dichrostachys cinerea 33 30 (1000) 19.1 11.8 (162)
Combretum albopunctatum 16 8 (100) 14.7 2.5 (21)
Hyphaene petersiana 19 − 16 (− 46) 5.9 − 20.9 (− 354)
Searsi tenuinervis 15 8 (114) 5.9 3.5 (146)
Combretum imberbe 7 − 1 (− 12.5) 7.4 2.5 (51)
Ximenia americana 4 − 6 (− 60) 2.9 − 2 (− 69)
Albizia anthelmintica 3 2.5 (500) 2.9 0.5 (21)
Gymnosporia senegalensis 1 0.5 (100) 1.5 − 0.9 (− 60)
Ziziphus mucronata 1 − 1 (− 50) 4.4 − 5.4 (− 123)
Total 14,215 12,293 (640)