Issue 8.9

Issue 8.9 is now online!

The September issue of Methods is now online!

This issue contains two Applications articles and three Open Access articles. These five papers are freely available to everyone, no subscription required.

 qfasar: A new R package for diet estimation using quantitative fatty acid signature analysis methods. It also provides functionality to evaluate and potentially improve the performance of a library of prey signature data, compute goodness-of-fit diagnostics, and support simulation-based research.

 biomass: An r package designed to compute both AGB/AGC estimate and its associated uncertainty from forest plot datasets, using a Bayesian inference procedure. The package builds upon previous work on pantropical and regional biomass allometric equations and published datasets by default, but it can also integrate unpublished or complementary datasets in many steps.

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Recent content and new video

Lots of exciting content has recently gone online.

Firstly, two interesting new applications (as always free): simapse, simulation maps for ecological niche modelling in Python and nadiv, an R package for estimating non-additive genetic variances in animal models.

Also, two research articles. In the first, Julien Beguin and colleagues introduce an alternative procedure for fitting Bayesian hierarchical spatial models (BHSM) with quite general spatial covariance structures. This procedure uses integrated nested Laplace approximations (INLA) as an alternative to MCMC. In the second, Martin Lavoie, Jen Owens and Dave Risk present a new method for real-time monitoring of soil CO2 efflux.This is attractive because of its low cost and low power consumption compared to traditional methods.

Lastly, Dan Mennill and co-authors show us an affordable, portable, wireless microphone array for spatial monitoring of animal ecology and behaviour. They accompany their article with a nice short video: