Table 2 δ15N values (mean ± SD, N = 5) in coral tissue (coral) and zooxanthellae (zoox) at reference stations (50 m from the reef crest), Reynard and Surprise islets.

From: Seabirds supply nitrogen to reef-building corals on remote Pacific islets

site sampling distance (m) tissue δ15N (‰)
Reynard 50 coral 7.5 ± 0.8
Reynard 50 zoox 7.4 ± 0.5
Reynard 400 coral 5.0 ± 0.5
Reynard 400 zoox 4.6 ± 0.5
Reynard 800 coral 4.5 ± 0.3
Reynard 800 zoox 4.3 ± 0.5
Bampton Reference station coral 5.3 ± 0.2
Bampton Reference station zoox 5.0 ± 0.5
Surprise 25 coral 7.8 ± 0.9
Surprise 25 zoox 7.8 ± 0.4
Surprise 50 coral 6.2 ± 0.4
Surprise 50 zoox 5.8 ± 0.4
Surprise 100 coral 5.7 ± 0.0
Surprise 100 zoox 5.2 ± 0.1
Pelotas Reference station coral 4.5 ± 0.1
Pelotas Reference station zoox 4.1 ± 0.2
Sainte Marie urbanized coral 5.7 ± 0.3
Sainte Marie urbanized zoox 4.8 ± 0.3
Crouy Reference station coral 3.7 ± 0.1
Crouy Reference station zoox 2.7 ± 0.4