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Table 6 Mean percentage contribution (on a dry mass basis) of the most abundant grass species to the total grass DM yield within the defined subhabitats.

From: Tree thinning as an option to increase herbaceous yield of an encroached semi-arid savanna in South Africa

Grass species Exp. plot Mean % contribution (standard error)
   Between trees (UCA) Under trees (CA) Trees removed (RCA)
Tragus berteronianus 0 % 14.70 (7.30) - 7.23 (4.55)
,, 10 % 8.30 (4.33) 4.30 (3.09) 5.73 (5.29)
,, 20 % 19.03 (12.97) 6.50 (3.26) 13.40 (6.95)
,, 35 % 28.57 (14.32) 9.03 (4.12) 7.03 (6.54)
,, 50 % 14.23 (7.23) 3.57 (2.51) 5.13 (4.84)
,, 75 % 11.00 (6.32) 3.60 (2.75) 5.90 (5.55)
,, 100 % 10.87 (8.76) 2.10 (2.10) -
Aristida species 0 % 56.80 (2.59) - 10.53 (1.43)
,, 10 % 38.23 (2.69) 12.93 (7.35) 6.23 (1.53)
,, 20 % 31.17 (4.93) 14.33 (5.80) 6.90 (3.58)
,, 35 % 8.97 (2.41) 5.23 (3.25) 8.27 (3.93)
,, 50 % 12.00 (6.89) 6.57 (3.31) 5.47 (2.39)
,, 75 % 23.37 (20.02) 4.53 (2.58) 9.37 (7.00)
,, 100 % 23.73 (7.05) 0.13 (0.13) -
Oropetium capensis 0 % 1.93 (1.41) - 0.13 (0.13)
,, 10 % 3.47 (1.09) 0.70 (0.60) 0.27 (0.22)
,, 20 % 6.33 (4.16) 2.17 (1.31) 0.03 (0.03)
,, 35 % 9.37 (4.27) 3.67 (1.95) 0.17 (0.17)
,, 50 % 14.17 (3.68) 3.90 (1.57) 0.10 (0.10)
,, 75 % 35.60 (15.69) 5.97 (0.85) 0.00 (0.00)
,, 100 % 21.83 (2.28) 4.93 (2.17) -
Cenchrus ciliaris 0 % 1.67 (1.67) - 2.10 (1.24)
,, 10 % 0.00 (0.00) 0.00 (0.00) 2.97 (1.49)
,, 20 % 0.00 (0.00) 7.63 (3.71) 1.20 (1.20)
,, 35 % 0.00 (0.00) 0.00 (0.00) 0.00 (0.00)
,, 50 % 0.00 (0.00) 4.33 (4.33) 0.00 (0.00)
,, 75 % 0.00 (0.00) 10.77 (9.21) 0.50 (0.50)
,, 100 % 0.00 (0.00) 19.63 (11.67) -
Digitaria eriantha 0 % 0.00 (0.00) - 1.87 (1.13)
,, 10 % 1.20 (1.20) 6.00 (3.81) 2.00 (0.91)
,, 20 % 0.00 (0.00) 6.50 (1.50) 8.17 (3.13)
,, 35 % 0.00 (0.00) 2.10 (2.10) 2.80 (0.90)
,, 50 % 0.00 (0.00) 17.60 (10.49) 8.80 (4.28)
,, 75 % 0.00 (0.00) 10.10 (3.26) 9.93 (8.52)
,, 100 % 2.37 (2.37) 40.10 (15.54) -
Panicum maximum 0 % 0.00 (0.00) - 6.53 (6.53)
,, 10 % 0.00 (0.00) 12.60 (12.60) 0.00 (0.00)
,, 20 % 0.00 (0.00) 0.00 (0.00) 0.00 (0.00)
,, 35 % 0.00 (0.00) 7.43 (7.43) 2.60 (2.60)
,, 50 % 0.00 (0.00) 0.00 (0.00) 0.00 (0.00)
,, 75 % 0.00 (0.00) 3.57 (3.57) 3.83 (3.83)
,, 100 % 0.00 (0.00) 0.00 (0.00) -
Brachiaraia deflexa 0 % 4.93 (3.79) - 15.40 (11.72)
,, 10 % 6.40 (3.13) 21.33 (11.18) 18.77 (15.40)
,, 20 % 1.17 (0.69) 15.67 (10.05) 11.87 (7.89)
,, 35 % 12.10 (6.14) 26.57 (13.32) 30.40 (19.93)
,, 50 % 25.77 (12.91) 36.60 (20.58) 35.77 (15.44)
,, 75 % 21.57 (12.27) 41.00 (21.95) 30.23 (13.99)
,, 100 % 10.60 (6.74) 26.40 (19.59) -
Enneapogon cenchroides 0 % 16.57 (8.67) - 47.10 (13.78)
,, 10 % 36.63 (2.47) 38.83 (13.97) 51.63 (21.41)
,, 20 % 37.57 (13.30) 42.40 (9.12) 54.20 (17.82)
,, 35 % 12.03 (6.03) 29.20 (17.05) 39.53 (16.10)
,, 50 % 26.03 (12.07) 18.77 (12.37) 42.83 (15.25)
,, 75 % 6.23 (3.83) 20.57 (12.13) 36.30 (5.18)
,, 100 % 0.60 (0.60) 6.30 (5.33) -
Bothriochloa radicans 0 % 0.00 (0.00) - 0.00 (0.00)
,, 10 % 0.00 (0.00) 0.00 (0.00) 9.13 (9.13)
,, 20 % 4.43 (4.43) 4.83 (4.25) 0.00 (0.00)
,, 35 % 7.37 (2.35) 14.40 (9.46) 9.23 (3.38)
,, 50 % 4.17 (2.77) 0.00 (0.00) 0.00 (0.00)
,, 75 % 2.30 (2.30) 0.00 (0.00) 1.00 (1.00)
,, 100 % 19.97 (10.38) 0.50 (0.50) -
Sporobolus ioclados 0 % 0.00 (0.00) - 6.63 (6.63)
,, 10 % 5.83 (5.83) 1.97 (1.82) 3.30 (2.10)
,, 20 % 0.00 (0.00) 0.00 (0.00) 1.67 (1.67)
,, 35 % 0.00 (0.00) 0.00 (0.00) 0.00 (0.00)
,, 50 % 1.33 (1.33) 0.00 (0.00) 1.97 (1.97)
,, 75 % 0.00 (0.00) 0.00 (0.00) 0.00 (0.00)
,, 100 % 0.00 (0.00) 0.00 (0.00) -
Urochloa mosambicensis 0 % 3.40 (1.76) - 2.40 (1.88)
,, 10 % 0.00 (0.00) 0.00 (0.00) 0.00 (0.00)
,, 20 % 0.00 (0.00) 0.00 (0.00) 2.60 (2.60)
,, 35 % 0.00 (0.00) 0.00 (0.00) 0.00 (0.00)
,, 50 % 2.30 (2.30) 0.00 (0.00) 0.00 (0.00)
,, 75 % 0.00 (0.00) 0.00 (0.00) 0.00 (0.00)
,, 100 % 0.00 (0.00) 0.00 (0.00) -