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Table II

Nested subset-analysis of the pollination web calculated via NTC (Atmar and Patterson, 1995), BINMATNEST (Rodriguéz-Gironés and Santamaría, 2006) and NESTEDNESS (Ulrich, 2006a), T = temperature in degrees, Trandom = randomized mean temperature (1000 iterations), N = degree of nestedness, P = level of significance.

Year Bee Plant Interactions T TSim N Z-score P
species species
NTC 2004 69 42 225 6.6 24.3 ± 2.0 0.933 –8.85 < 0.001
2005 60 33 171 9.2 25.2 ± 2.4 0.908 –6.66 < 0.001

BINMATNEST 2004 69 42 225 4.2 13.8 ± 1.8 0.958 –5.33 < 0.001
2005 60 33 171 5.7 14.7 ± 2.2 0.943 –4.09 < 0.001

NESTEDNESS 2004 69 42 225 5.2 4.1 ± 0.6 0.948 1.83 0.9656
2005 60 33 171 6.5 5.5 ± 0.7 0.935 1.42 0.9222

NESTEDNESS 2004 35 30 181 18.4 17.5 ± 1.3 0.816 0.69 0.7549
without singletons 2005 31 18 128 18.9 21.5 ± 1.6 0.811 –1.63 0.0475