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Table 10 Disturbance analysis of Neobuxbaumia tetetzo populations in tetechera forest under different fruit gathering rates

From: Use of columnar cacti in the Tehuacán Valley, Mexico: perspectives for sustainable management of non-timber forest products

Proportion of fruits gathered r2 r3 Fecundity r4 r5 r6 λ
0% 8.70 14.90 22.40 28.20 29.30 1.077
10% 7.83 13.41 20.16 25.38 26.37 1.075
20% 6.96 11.92 17.92 22.56 23.44 1.073
30% 6.09 10.43 15.68 19.74 20.51 1.070
40% 5.22 8.94 13.44 16.92 17.58 1.066
50% 4.35 7.45 11.20 14.10 14.65 1.063
60% 3.48 5.96 8.96 11.28 11.72 1.058
70% 2.61 4.47 6.72 8.46 8.79 1.053
80% 1.74 2.98 4.48 5.64 5.86 1.046
90% 0.87 1.49 2.24 2.82 2.93 1.035
95% 0.44 0.75 1.12 1.41 1.47 1.025
100% 0 0 0 0 0 0.960
  1. Columns indicate the fecundity rates in reproductive individual plants (r2 to r6) determined by different gathering regimes and their effect in λ values.