On Thu, Mar 7, 2013 at 2:13 PM, Rich Shepard <rshep...@appl-ecosys.com> wrote: > On Thu, 7 Mar 2013, Philippi, Tom wrote: > >> I would look at packages bio.infer, paltran, fossil, and analogue, and >> search to see if anyone has pushed them in the direction you want to go. > > > bio.infer is based on the EPA's EMAP-West (Environmental Monitoring and > Analysis Program for the western states) and uses benthic macroinvertebrates > and fish with selected water chemistry parameters. It uses the ITIS > (International Taxonomic Identification System) to provide consistency in > naming taxa to the lowest reasonable level. > > Conceptually, one could assemble equivalent dataframes for diatom taxa and > environmental conditions, but I don't know if ITIS has plants/algae in the > system; problably does. However, the biota-environments relationships would > be based on current conditions and whether this would be valid for sediment > core data would need to be judged by a limnologist, not a stream ecologist > like me. > > Rich >
Rich: thank you. I am not sure about the ITIS, but maybe my colleague does. I will ask him. Thanks again. Jay _______________________________________________ R-sig-ecology mailing list R-sig-ecology@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-ecology
