Species sensitivity distributions are cumulative probability distributions which are fitted to toxicity concentrations for different species as described by Posthuma et al.(2001) <isbn:9781566705783>. The ssdtools package uses Maximum Likelihood to fit distributions such as the gamma, log-logistic, log-normal and log-normal log-normal mixture. Multiple distributions can be averaged using Akaike Information Criteria. Confidence intervals on hazard concentrations and proportions are produced by bootstrapping.
Maintainer: Joe Thorley joe@poissonconsulting.ca (ORCID)
Authors:
Rebecca Fisher R.Fisher@aims.gov.au
David Fox david.fox@environmetrics.net.au
Carl Schwarz
Other contributors:
Angeline Tillmanns [contributor]
Seb Dalgarno seb@poissonconsulting.ca (ORCID) [contributor]
Kathleen McTavish [contributor]
Heather Thompson [contributor]
Doug Spry [contributor]
Rick van Dam [contributor]
Graham Batley [contributor]
Ali Azizishirazi [contributor]
Nadine Hussein nadine@poissonconsulting.ca (ORCID) [contributor]
Sarah Lyons sarah@poissonconsulting.ca (ORCID) [contributor]
Duncan Kennedy duncan@poissonconsulting.ca (ORCID) [contributor]
Stephanie Hazlitt [contributor]
Hadley Wickham [contributor]
Sergio Ibarra Espinosa [contributor]
Andy Teucher [contributor]
Emilie Doussantousse [contributor]
Nan-Hung Hsieh [contributor]
Florencia D'Andrea [contributor]
Province of British Columbia [funder, copyright holder]
Environment and Climate Change Canada [funder, copyright holder]
Australian Government Department of Climate Change, Energy, the Environment and Water [funder, copyright holder]
Useful links: