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. 2016 May 25;4:e2039. doi: 10.7717/peerj.2039

Table 2. Threshold Indicator Taxa ANalysis (TITAN) results for the compactness index at the 400-m and 1-km radius buffer.

Significant (p < 0.05) and reliable (purity ≥ 0.90 and reliability ≥ 0.90) species are shown in bold.

Species Direction of effect z Change point Purity Reliability p
Obs. 5% 95%
400-m radius buffer
Forest birds
AMRE 0.94 0.00 0.00 84.92 0.54 0.31 0.180
EAWP 1.28 89.19 0.00 89.58 0.54 0.47 0.116
OVEN 1.84 0.00 0.00 87.40 0.59 0.38 0.052
REVI 1.52 0.00 0.00 86.16 0.56 0.40 0.072
SCTA 4.85 59.33 0.00 64.09 1.00 0.99 0.004
WOTH 3.00 18.81 0.00 77.75 0.81 0.80 0.012
Forest-edge species
EAPH + 5.81 11.57 4.40 19.30 0.98 0.98 0.004
EATO 3.06 66.60 0.00 82.98 0.93 0.91 0.004
GRCA + 3.26 0.00 0.00 78.92 0.96 0.94 0.008
INBU + 3.41 9.05 0.00 85.84 0.90 0.89 0.008
NOCA + 1.95 74.91 0.00 89.19 0.80 0.71 0.056
1-km radius buffer
Forest birds
AMRE + 7.03 78.26 27.58 80.66 1.00 1.00 0.004
EAWP + 4.45 21.11 4.00 31.27 0.99 0.98 0.004
OVEN + 5.16 51.70 16.07 61.89 0.99 0.99 0.004
REVI + 6.99 41.47 20.98 55.16 1.00 1.00 0.004
SCTA + 3.92 53.86 0.00 60.16 0.89 0.89 0.008
WOTH + 4.06 20.98 14.98 47.12 0.97 0.96 0.004
Forest-edge species
EAPH + 6.86 7.15 1.85 41.76 1.00 1.00 0.004
EATO + 2.73 78.26 0.00 81.38 0.86 0.84 0.016
GRCA + 5.25 28.74 12.46 31.33 1.00 0.99 0.004
INBU + 4.48 41.54 0.00 45.00 0.99 0.98 0.004
NOCA + 4.13 28.54 0.00 81.74 0.82 0.82 0.004