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MICROSENSOR MEASUREMENTS OF THE EXTERNAL AND INTERNAL MICROENVIRONMENT OF FUCUS VESICULOSUS (PHAEOPHYCEAE)1
Version of Record online: 27 SEP 2010
© 2010 Phycological Society of America
Journal of Phycology
Volume 46, Issue 6, pages 1350–1355, December 2010
How to Cite
Spilling, K., Titelman, J., Greve, T. M. and Kühl, M. (2010), MICROSENSOR MEASUREMENTS OF THE EXTERNAL AND INTERNAL MICROENVIRONMENT OF FUCUS VESICULOSUS (PHAEOPHYCEAE). Journal of Phycology, 46: 1350–1355. doi: 10.1111/j.1529-8817.2010.00894.x
Received 26 June 2009. Accepted 19 April 2010.
- Issue online: 1 DEC 2010
- Version of Record online: 27 SEP 2010
Figure S1. Cross-section of Fucus vesiculosus thallus showing the cryptostomata cavity and hyaline hairs. Scale bar, 500 μm.
Figure S2. O2 microprofiles in the diffusive boundary layer (A) and the net O2 production versus irradiance (B) of Fucus vesiculosus. The net production was calculated using eq. S1 (see methods in Appendix S1 for equations). The solid line in (B) represents the nonlinear curve fit of eq. S2 to the net production, and Ek was calculated according to equation S3. Ec is the compensation point in μmol photons·m−2 · s−1.
Figure S3. Oxygen concentration (○) and pH (▽) measured at the surface of the Fucus vesiculosus thallus in darkness (black symbols), at the onset of illumination (gray symbols), and after onset of illumination (open symbols). Irradiance was ~500 μmol photons·m−2 · s−1 (n = 2, error bars indicate standard deviation).
Figure S4. Oxygen microprofiles measured through thallus and cryptostomata in darkness and at saturating irradiance (~500 μmol photons·m−2 · s−1). The two points were measured ~10 mm apart. Calculations of Pm and respiration are presented in Table 1.
Appendix S1. Methods.
|JPY_894_sm_FigS1-4.pdf||145K||Supporting info item|
|JPY_894_sm_AppS1.pdf||19K||Supporting info item|
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