Posts Tagged “digital ecosystem”

Keystone Predators and Centrality: Ecosystem as Social Network Part 2

Keystone Predators and Centrality: Ecosystem as Social Network Part 2

My last post looked at a very small, but well studied rocky intertidal ecosystem and was able to identify a keystone predator (Pisaster) in a network using centrality measures. I was worried, though, that this method would not work on a larger, more complicated system. Let’s try these same calculations on a slightly larger kelp…

Keystone Predators and Centrality: Ecosystem as Social Network Part 1

Keystone Predators and Centrality: Ecosystem as Social Network Part 1

A few weeks ago I announced a project that would train an algorithm to recognize important taxa in an ecosystem using the characteristics of species interactions within that ecosystem. This post documents the first bit of work I’ve done. I’ve made a github repo with data and code. I’m using Python 2.7 with NetworkX. First I…

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