Florida ecosystem dry
About this network
This network contains the carbon exchanges in the cypress wetlands of South Florida during the dry season. Nodes represent taxa and an an edge denotes that a taxon uses another taxon as food with a given trophic factor (feeding level).
Network info
Code | FD |
Category | ⬤ Trophic |
Data source | http://vlado.fmf.uni-lj.si/pub/networks/data/bio/foodweb/foodweb.htm |
Vertex type | Entity |
Edge type | Exchange |
Format | Directed |
Edge weights | Positive weights |
Size | 128 vertices (entities) |
Volume | 2,137 edges (exchanges) |
Average degree (overall) | 33.391 edges / vertex |
Fill | 0.13146 edges / vertex^{2} |
Maximum degree | 110 edges |
Reciprocity | 2.90% |
Size of LCC | 128 vertices (network is connected) |
Size of LSCC | 103 vertices |
Wedge count | 83,185 |
Claw count | 1,414,104 |
Triangle count | 8,715 |
Square count | 335,189 |
4-tour count | 3,018,464 |
Power law exponent (estimated) with d_{min} | 5.0210 (d_{min} = 37) |
Gini coefficient | 25.4% |
Relative edge distribution entropy | 97.7% |
Assortativity | –0.10437 |
Clustering coefficient | 31.4% |
Diameter | 3 edges |
90-percentile effective diameter | 1.88 edges |
Mean shortest path length | 1.72 edges |
Spectral norm | 435.20 |
Algebraic connectivity | 2.339 × 10^{–5} |
Downloads
TSV file: | foodweb-baydry.tar.bz2 (14.31 KiB) |
Extraction code: | foodweb.tar.bz2 (14.46 KiB) |
References
[1] | Florida ecosystem dry network dataset -- KONECT, October 2016. [ http ] |
[2] | Robert E. Ulanowicz, Johanna J. Heymans, and Michael S. Egnotovich. Network analysis of trophic dynamics in South Florida ecosystems, FY 99: The graminoid ecosystem. Annual Report to the United States Geological Service Biological Resources Division Ref. No.[UMCES] CBL 00-0176, Chesapeake Biological Laboratory, University of Maryland, 2000. |