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Node connection strength in Marine Ecology Tree.
Each node in Marine Ecology Tree can be characterized by its mean distance from every other node. Below is a histogram of mean distances for every node in the tree. The final bin includes nodes that are not connected to the main tree. Note also that only individuals whose primary affiliation is this tree are included. Nodes cross-listed from other academic trees are included on their primary tree.

Mean inter-node distance
11-
9-
7-
4-
2-
7 8 9 10 11+
Mean distance
 Number of nodes 



20 most tightly coupled nodes.
Below are the Marine Ecology Tree nodes with shortest mean distance.

Rank Mean dist Name Institution Area Date
1 7.1 Karl D. Hyrenbach (Info) University of California, San Diego ecology 2015-11-13
2 7.1 Arja T. McCray (Info) University of California, San Diego ecology 2015-11-13
3 7.1 Megan C. Ferguson (Info) University of California, San Diego ecology 2015-11-13
4 7.1 Talina H. Konotchick (Info) University of California, San Diego ecology 2015-11-13
5 8.93 George N. Somero (Info) Stanford University biochemical adaptation; ecophysiology 2007-04-17
6 11.23 Romi L. Burks (Info) University of Notre Dame 2015-11-13
7 11.23 Adrienne J. Froelich (Info) University of Notre Dame 2015-11-13
8 11.23 Cynthia S. Kolar (Info) University of Notre Dame 2015-11-13
9 11.23 John M. Drake (Info) University of Notre Dame 2015-11-13
10 11.23 Reuben P. Keller (Info) University of Notre Dame 2015-11-13
11 11.23 John D. Rothlisberger (Info) University of Notre Dame 2015-11-13
12 11.23 Timothy A. Kreps (Info) University of Notre Dame 2015-11-13
13 11.23 Jody A. Peters (Info) University of Notre Dame 2015-11-13
14 11.23 Andrew M. Deines (Info) University of Notre Dame 2015-11-13
15 11.23 Matthew A. Barnes (Info) Texas Tech University aquatic ecology, conservation, environmental DNA, invasion science, natural resources management 2015-11-13
16 19906.5 David M. Karl (Info) University of Hawai'i at Manoa Oceanography Biology, Environmental Sciences, Biogeochemistry 2016-02-19


Distribution of individual connectivity.
Another way to look at the Marine Ecology Tree graph is to plot a histogram of researchers (nodes) based according to the number of immediate connections (edges) they have to other researchers. The final bin includes nodes with 16 or more connections. The actual distribution has a very long tail, with a maximum of 61 connections. Thanks to Adam Snyder for suggesting this analysis!

Edge vs node distribution
3668-
2934-
2201-
1467-
734-
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16+
Number of connections
 Node count