1. Department of Environmental Science, Stockholm University, Stockholm SE-106 91, Sweden
2. AES Armitage Environmental Sciences, Incorporated, Ottawa, Ontario K1L 8C3, Canada
3. ARC Arnot Research and Consulting, Incorporated, Toronto, Ontario M4M 1W4, Canada
4. Department of Physical and Environmental Sciences, University of Toronto Scarborough, Toronto, Ontario MM1C 1A4, Canada
5. Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Amsterdam 1090 GE, The Netherlands
6. Dutch Board for the Authorisation of Plant Protection Products and Biocides (Ctgb), Ede 6717 LL, The Netherlands