slimmingDive provides a suite of funtions to process dive profiles
of elephant seals (Mirounga sp), summarized by a
broken-stick algorithm and transmitted through the Argos satellite
system. It has been developed to detect drift dives and their associated
drift rates. Drift dives are a particular type of dives that contain a
long, inactive phase in which the seals drift passively along the
water colum. Due the specific characteristics of elephant seals dives,
the observed drift rate is determined primarily by the buoyancy of the
seal (that is, the ratio beteen blubber and lean tissues). It offers an
efective measurement for tracking changes the body condition of the seals,
and its changes, from low resolution dive information.
slimmingDive implements the method reported in Arce et al. (2019),
and requires jags (Just another Gibbs sampler) to be installed in
order to work.
follow the instructions of this link: http://mcmc-jags.sourceforge.net/
You need package remotes to install slimmingDive
directly from GitHub as it is not (yet) in CRAN
## install.packages("remotes")
remotes::install_github("farcego/slimmingDive")Alternatively, you can download this git repo to your local machine and build the package trough
$ R CMD build --resave-data slimmingDive
Arce, F., Bestley, S., Hindell, M. A., McMahon, C. R. & Wotherspoon, S. 2019. A quantitative, hierarchical approach for detecting drift dives and tracking buoyancy changes in southern elephant seals. Scientific Reports: 9, 8936. doi: 10.1038/s41598-019-44970-1
The data contained in the package has been kindly provided by the Animal Tracking Facility of the Australian Integrate Marine Observing System (IMOS) and is freely available at the Australian Ocean Data Network (AODN)