Florida ecosystem wet
About this network
This network contains the carbon exchanges in the cypress wetlands of South Florida during the wet 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 | FW |
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 | 2,106 edges (exchanges) |
Average degree (overall) | 32.906 edges / vertex |
Fill | 0.12955 edges / vertex^{2} |
Maximum degree | 110 edges |
Reciprocity | 2.94% |
Size of LCC | 128 vertices (network is connected) |
Size of LSCC | 103 vertices |
Wedge count | 81,147 |
Claw count | 1,380,155 |
Triangle count | 8,437 |
Square count | 318,981 |
4-tour count | 2,880,586 |
Power law exponent (estimated) with d_{min} | 4.8710 (d_{min} = 35) |
Gini coefficient | 25.6% |
Relative edge distribution entropy | 97.7% |
Assortativity | –0.11166 |
Clustering coefficient | 31.2% |
Diameter | 3 edges |
90-percentile effective diameter | 1.88 edges |
Mean shortest path length | 1.73 edges |
Spectral norm | 593.42 |
Algebraic connectivity | 3.0422 × 10^{–5} |
Downloads
TSV file: | foodweb-baywet.tar.bz2 (13.90 KiB) |
Extraction code: | foodweb.tar.bz2 (14.46 KiB) |
References
[1] | Florida ecosystem wet network dataset -- KONECT, April 2017. [ 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. |