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The ecosystem impacts of cyanobacterial blooms: a pan-GLEON sampling and analysis program

The ecosystem impacts of cyanobacterial blooms: a pan-GLEON sampling and analysis program. Cayelan Carey 1 1 Cornell University, Ithaca, NY USA. Photo: Louise Miles. What happens to a lake ecosystem during a cyanobacterial bloom?. Toxins, scums, odors all well documented

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The ecosystem impacts of cyanobacterial blooms: a pan-GLEON sampling and analysis program

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  1. The ecosystem impacts of cyanobacterial blooms: a pan-GLEON sampling and analysis program Cayelan Carey1 1Cornell University, Ithaca, NY USA Photo: Louise Miles

  2. What happens to a lake ecosystem during a cyanobacterial bloom? • Toxins, scums, odors all well documented • But, what about lake biogeochemical cycles (C, N, P)? Phytoplankton, zooplankton dynamics? • Cyanobacterial blooms significantly impact many ecosystem variables

  3. Expanding my analysis to the GLEON network • Survey indicates that ~55% of GLEON lakes consistently exhibit blooms every year • Range of trophic status and cyanobacterial species represented

  4. Soliciting historical & limnological data from GLEON (and non-GLEON) lakes • I am collecting: • Historical weekly datasets • Weekly plankton samples • If you can take a weekly plankton sample at your GLEON lake, I will count and ID the phytos for you. • I will acknowledge you and your site on any publications that result from this project.

  5. Lake/data requirements • Lake must experience at least one bloom/summer. • Plankton sample must be collected weekly throughout bloom season using a standardized sampling protocol. • After bloom season ends, we will identify when bloom events occurred, and you will mail me the samples. • I will count the phytos and send you the data.

  6. Why this is a ‘cool thing’ • Cyanobacterial blooms are increasing every year in geographical range and frequency; there is much we do not know • One of the first attempts to utilize the GLEON network to conduct large-scale, collaborative biology; perhaps a model for future GLEON research?

  7. Interested in participating? • Talk to me this week, come see my poster, or email me at: ccc99@cornell.edu

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