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FULL LIGHT. REDUCED LIGHT. N. ATU. R. A. L SEA. W. ATER. EN. R. ICH. ED. SEA. W. ATER. 200. 250. 300. 350. 400. 450. 500. 550. 600. 0. 1. 2. 3. 4. 5. 6 o.
Electronic supplementary materials Effect of light and nutrient availability on the release of dissolved organic carbon (DOC) by Caribbean turf algae

Benjamin Mueller, Joost den Haan, Petra M. Visser, Mark J.A. Vermeij, Fleur C. van Duyl

REDUCED LIGHT

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DOC concentration [µmol L-1]

DOC concentration [µmol L-1]

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ESM Figure S1 Change in DOC concentration through time in the four light and nutrient treatment combinations. Each line represents an individual incubator. Incubators with turf algae are indicated in red, controls are indicated in blue.

Electronic supplementary materials Effect of light and nutrient availability on the release of dissolved organic carbon (DOC) by Caribbean turf algae

Benjamin Mueller, Joost den Haan, Petra M. Visser, Mark J.A. Vermeij, Fleur C. van Duyl

REDUCED LIGHT

550 500 450 400 350 300 250 200

0

1

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FULL LIGHT

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oxygen concentration [µmol L-1]

oxygen concentration [µmol L-1]

NATURAL SEA WATER

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550 500 450 400 350 300 250 200

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oxygen concentration [µmol L-1]

oxygen concentration [µmol L-1]

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time [h]

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500 450 400 350 300 250 200

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time [h]

ESM Figure S2 Change in oxygen concentration through time in the four light and nutrient treatment combinations. Each line represents the linear regression of an individual incubator. Incubators with turf algae are indicated in red, controls are indicated in blue.

Electronic supplementary materials

Effect of light and nutrient availability on the release of dissolved organic carbon (DOC) by Caribbean turf algae

Benjamin Mueller, Joost den Haan, Petra M. Visser, Mark J.A. Vermeij, Fleur C. van Duyl

ESM table S3 Results of a two-way ANOVA for the effect of light intensity and nutrient concentration on (A) DOC release and (B) oxygen production of turf algae.

Factor

df F

P

Light

1

3.07

0.107

Nutrients

1

11.05 0.007

Light × nutrients

1

15.39 0.002

A DOC release

B Oxygen production Light

1

26.17