When using this data, please cite the data package:
NCEAS 9280: Melian: The evolution of behavior and the structure of ecological networks , National Center for Ecological Analysis and Synthesis , and Melian C. 2008. Ecological Network with Mutualistic-Antagonistic Interactions nceas.933.15
Ecological Network with Mutualistic-Antagonistic Interactions
This data set includes the plant-mutualistic and plant-herbivore communities with a total of 390 species (170 plants, 180 pollinators, 26 seed dispersers and 14 hebivores) from the Doñana Biological Reserve in Southern
Spain. This reserve includes approximately 68 square kilometers (6800 ha) inside the limits of the Doñana National Park located on the Guadalquivir river. The altitude above sea level varies between 0m and 32m. The reserve is located in a sandy coastal area where Mediterranean scrub constitutes the main and dominant vegetation.
This data set is used in the following published work: Melián, C. J., Bascompte, J., Jordano, P., and Křivan, V. (2008). Diversity in a Complex Ecological Network with Two Interaction Types. Oikos, DOI: 10.1111/j.2008.0030-1299.16751.x.
In this part we can attach the Table 1 and Table 2 of the Appendix. We describe in detail the methods used to collect data for each species.
Sampling Area And Frequency:
Data come from direct observations, analysis of stomach contents, and feces collected in the field mainly during late Winter and Spring between 1981-1984. Seven studies representing almost 90% of the species and 95% of the interactions were concentrated in that period. Thus, almost all species analyzed co-occured in time and space. Note that this data set does not have data in the same year and season for all the mutualistic and antagonistic species. This is so because studies were conducted separately by researchers of each specific discipline (i.e., researchers working with herbivores, seed dispersers, and pollinators). However, despite these criticisms the present data set is among the best in food webs and may be considered to accurately represents this community.
In this part we can attach the Table 1 and Table 2 of the Appendix. Table 1 describes in detail the sampling design and sampling effort of each study.