Bezerra et
al. (2009)
General
information
This paper contrasted a network of Malpighiaceae oil-flowers and
associated oil-collecting bees from a Brazilian steppe ("caatinga") to
whole pollination networks from all over the world available in the
Interaction Web Database. The caatinga network had a perfectly balanced
proportion of plants and animals (13 x 13) and was more nested and less
modular than all of the 22 whole pollination networks studied. The
authors concluded that the oil-flower subweb is more cohesive and
resilient than whole pollination networks, reinforcing the hypothesis
that each ecological service is in fact a mosaic of different
subservices with a hierarchical structure ("webs within webs").
Data type and methodological
remarks
The species interaction matrix
describes the number of bee visits to 138 individual plants in natural
clumps of 13 Malpighiaceae species during the flowering peak of each
species. The number of bee visits to flowers was registered over
four consecutive days, from 5.00 to 17.00 with a total of 1392 h of
observations.
Source
Bezerra,
E. L. S, I. C. Machado & M. A. R. Mello (2009). Pollination
networks of oil-flowers: a tiny world within the smallest of all
worlds. Journal of Animal Ecology 78: 1096-1101.
Data files
Excel file: click
here to download the data sheet with the number of visits of
oil-collecting bees to Malpighiaceae species in Pernambuco's
caatinga.
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