Teaching and outreach
Stable Isotopes in the Biosphere (~annual week-long workshop on stable isotope techniques)
Isogeochem mailing list (one-stop shop for all your isotope questions)
BRaid (advocacy group for NZ braided rivers)
Professional societies
Association for the Sciences of Limnology & Oceanography
American Geophysical Union's Biogeosciences section
Earth Science Women's Network
New Zealand Soil Science Society
New Zealand Freshwater Science Society
Academic journals
Journal of Geophysical Research - Biogeosciences
Biogeochemistry