Sampling frequency requirements for detecting phenological mismatch in physical conditions and biological communities.

Mechanistic documentation of trophic mismatch in aquatic systems due to early and late ice off requires high frequency sampling and substantial effort in collecting and quantifying physical and biological information. And, the required time scale of sampling varies depending on the life span of a parameter or organism. We will use the North Temperate Lakes Long Term Ecological Research data in comparison with three years of higher frequency ecosystem measurements to guide discussion on how we can empirically capture predation changes, food limitation, and temperature constraints on growth and food web interactions.

Primary Presenter: Gretchen Gerrish, University of Wisconsin Madison (ggerrish@wisc.edu)

Authors:

Gretchen Gerrish, University of Wisconsin Madison Center for Limnology - Trout Lake Station  (ggerrish@wisc.edu)

Hilary Dugan, University of Wisconsin Madison Center for Limnology  (hdugan@wisc.edu)

Feiner Zachary, University of Wisconsin Madison Center for Limnology, Wisconsin Department of Natural Resources Office of Applied Sciences  (zsfeiner@wisc.edu)

Noah Lottig, University of Wisconsin Madison Center for Limnology  (nrlottig@wisc.edu)

Gregory Sass, Wisconsin Department of Natural Resources Office of Applied Science  (gregory.sass@wisconsin.gov)