Effect of benthic boundary layer transport on the productivity of Mono Lake, California
2008

Impact of Benthic Boundary Layer Transport on Mono Lake's Productivity

publication 10 minutes Evidence: moderate

Author Information

Author(s): Bruce Louise C, Jellison Robert, Imberger Jörg, Melack John M

Primary Institution: Centre for Water Research, University of Western Australia

Hypothesis

How does the transport of nutrient-rich water via the benthic boundary layer affect the productivity of Mono Lake?

Conclusion

Benthic boundary layer transport significantly increases nutrient fluxes, leading to modest increases in primary and secondary productivity in Mono Lake.

Supporting Evidence

  • BBL transport increased ammonium flux to the photic zone by 53%.
  • Primary productivity increased by 6% due to BBL transport.
  • Secondary productivity increased by 5% with active BBL transport.
  • Nutrient fluxes were significant during periods of BBL activity.

Takeaway

The study shows that moving nutrient-rich water from the bottom of the lake to the surface helps plants grow, but the effect isn't huge.

Methodology

A coupled hydrodynamic and ecological model was used to simulate nutrient transport and productivity over a four-year period.

Limitations

The model may not fully capture all seasonal variations and interactions in the lake's ecosystem.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1746-1448-4-11

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