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Supplemental Information

Fig S1

Spatial design of the study sites, consisting in four 8 m × 20 m plots in the corners of a 100 m × 200 m rectangle, and two transects of 50 m × 2 m in the middle.

DOI: 10.7287/peerj.preprints.1751v1/supp-2

Fig S2

Trap nests arranged in the field. Trap nests consist of wood pieces with a longitudinal hole of three different diameter where bee species nest. Each occupied trap nest constitutes one bee nest.

DOI: 10.7287/peerj.preprints.1751v1/supp-3

Fig S3a

Models evaluating the effect of flower diversity and other ecological factors on the reproductive variables of different bee species of the 14 study sites. a) Complete model. b) Nested models generated by removing variables with non-significant effects or small path coefficients that were non-significant. Model 2 was selected by ∆AIC for all bee species.

DOI: 10.7287/peerj.preprints.1751v1/supp-4

Fig S4

Box-plot summarizing the path coefficients of model 1 (see Fig. S3) for the seven bee species studied here. Model 1 describes the effect of flower diversity (estimated using flower richness), flower abundance (estimated using flower density) and temporal stability of flower production along the flowering season (estimated as the inverse of coefficient of variation of the weekly flower abundance mean), fire (estimated as time elapsed since last fire), and elevation (estimated as meters above the sea). Y axis represents the path coefficients that rank from 1 to -1, and the x axis represents the effect of above mentioned ecological variables on three bee reproductive variables: A is the average brood cell number per nest per site, B is the total number of brood cells per site, and C is the total number of nests per site. In blue color are the ninety-five percent confidence limits of path coefficients obtained from bootstrap sampling of the distribution of path coefficients.

DOI: 10.7287/peerj.preprints.1751v1/supp-6

resource use by bee species

DOI: 10.7287/peerj.preprints.1751v1/supp-10

Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Jimena Dorado conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Diego P. Vázquez conceived and designed the experiments, performed the experiments, contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper, he superviced the work I did for this paper as he was my Ph. D. director and this paper is part of my doctoral thesis.

Field Study Permissions

The following information was supplied relating to field study approvals (i.e., approving body and any reference numbers):

Dirección de Recursos Naturales Renovables de la

Provincia de Mendoza 1130 and 646

Data Deposition

The following information was supplied regarding data availability:

I plan to deposit data on


Research was funded through grants from CONICET (PIP 6564), FONCYT (PICT 20805, 1471 and 2010-2779), and BBVA Foundation (BIOCON03-162). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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