Data

Trophic cascade and consumer interference in the Galápagos subtidal

I've known Jon since my sophomore summer of undergrad at the Shoals Marine Lab where he helped introduce me to underwater research, so it…

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Global patterns of kelp forest change over the past half-century

The first product out of our NCEAS - Kelp forest dynamics working group has been published! Krumhansl, K. A., D. K. Okamoto, A. Rassweiler, M.…

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Complexity increases predictability in allometrically constrained food webs

An important goal for ecology is to predict the effects of long-term, sustained perturbations, such as climate change, pollution, and harvesting on…

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An online database for informing ecological network models

Beas-Luna, Novak, Carr, Tinker, Black, Caselle, Hoban, Malone, and Iles. 2014. An online database for informing ecological network models:…

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Trophic omnivory across a productivity gradient.

Novak M (2013) Data from: Trophic omnivory across a productivity gradient: intraguild predation theory and the structure and strength of species…

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A multi-decade time series of kelp forest community structure at San Nicolas Island, California.

Kenner, Estes, Tinker, Bodkin, Cowen, Harrold, Hatfield, Novak, Rassweiler & Reed (2013) A multi-decade time series of kelp forest community…

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Nestedness patterns and the dual nature of community reassembly in California streams

Data from: Novak, Moore & Leidy. 2011. Nestedness patterns and the dual nature of community reassembly in California streams: a multivariate…

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Code
The following code is provided “as is” and without warranty.  If you know of more efficient or elegant ways of writing anything, we’d love to learn from you.

Global patterns of kelp forest change over the past half-century

The first product out of our NCEAS - Kelp forest dynamics working group has been published! Krumhansl, K. A., D. K. Okamoto, A. Rassweiler, M.…

Continue Reading

An alternative measure of diet specialization

In combination with a model-fitting approach, the use of diet similarity for both between- and within- individual comparisons permits an alternative…

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Multivariate gradient analysis for matrix nestedness

The following R code implements a permutation-based multivariate approach to gradient analysis for inferring the relative importance of putative…

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Loop Analysis in Mathematica

Loop analysis is an approach for calculating how press perturbations to a community might affect each species' equilibrium abundance.  In simplified…

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