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Data source: NOAA CCAP Watershed activity = nutrient load.

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Presentation on theme: "Data source: NOAA CCAP Watershed activity = nutrient load."— Presentation transcript:

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2 Data source: NOAA CCAP Watershed activity = nutrient load

3 Lettuce…lots of lettuce Lettuce Row Crops A dumptruck of NO 3 /day Sea Lettuce (Ulva spp.)

4 Ulva production = 40 African Elephants/year

5 High Variability in Eutrophication Expression Hughes et al. (2011) MEPS

6 Tidal range explains patterns in eutrophication

7 Hughes et al. (2011) MEPS Tidal range explains patterns in hypoxia

8 What are the ecological effects of all this eutrophication? Photo: Daniela Maldini

9 Tidal range explains benthic invertebrate diversity from Oliver et al. 2009

10 Watershed activity = nutrient load = ecological effects From: Valiela et al 1997 L&O

11 Watershed activity = nutrient load = ecological effects From: Valiela et al 1997 L&O Tomales Bay

12 Watershed activity = nutrient load = ecological effects From: Valiela et al 1997 L&O Tomales Bay Elkhorn Slough

13 Tidal height determines winners and losers

14 Intro  Background  Nutrients  Eutrophication  Ecology  Summary From: Broenkow & Breaker 2005 Increase in flushing potential

15 Intro  Background  Nutrients  Eutrophication  Ecology  Summary From: Broenkow & Breaker 2005 Flushing explains eelgrass distribution

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17 Acknowledgements Advisors: Kerstin Wasson (ESNERR & UC Santa Cruz) Pete Raimondi (UC Santa Cruz) Susan Williams (UC Davis) Raphe Kudela (UC Santa Cruz) Mark Carr (UC Santa Cruz) Collaborators: John Haskins (ESNERR) Ken Johnson (MBARI) Monique Fountain (ESNERR) Aaron Carlisle (Hopkins) Sarah Newkirk (TNC) Beth Watson (EPA) Kamille Hammerstrom (MLML) Nora Grant (MLML) Sean Abby (UC Santa Cruz) Christine Manuck (USDA) Gregor Cailliet (MLML) Ron Eby (ESNERR) Rikke Kvist Preisler (ESNERR) Bryan Largay (ESNERR) Gui Lessa ( Universidade Federal da Bahia, Brasil) Steve Litvin (Hopkins) Miguel Rodriguez (Hartnell College) Emily Matthews (UC Santa Cruz) Shirley Murphy (ESNERR) Sara Tanner (MLML) Mark Silberstein (Elkhorn Slough Foundation)

18 Acknowledgements


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