The productivity of San Cristobal Reef, Puerto Rico
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Abstract
San Cristobal Reef, Puerto Rico, was the site of a community metabolism study based on a new upstream-downstream method with experimental channels 4 m deep. Net productivity rates varied from 0.03 to 1.85 g O2m–2 reef area·h–1 (x = 0.39; n = 59). Respiration measurements of one reef section from which light was excluded ranged from 0.26 to 0.48 g O2·m–2 reef area·h–1. The linear regression equation y = 0.58x – 0.18, where y = g O2·m–2 reef area·h–1 and x = mEin·m–2·s–1, describes the correlation between light and metabolism at this site. Net primary productivity was 2.45 g O2·m–2 reef area and gross primary productivity 5.42. The ratio of gross primary productivity to 24-h respiration was 0.7. Productivity rates of this heterotrophic zone are lower than those reported for shallower reef zones with greater algal cover.
Suggested Citation
Rogers, C.S., 1979, The productivity of San Cristobal Reef, Puerto Rico: Limnology and Oceanography, v. 24, no. 2, p. 342-349, https://doi.org/10.4319/lo.1979.24.2.0342.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The productivity of San Cristobal Reef, Puerto Rico |
| Series title | Limnology and Oceanography |
| DOI | 10.4319/lo.1979.24.2.0342 |
| Volume | 24 |
| Issue | 2 |
| Publication Date | December 22, 2003 |
| Year Published | 1979 |
| Language | English |
| Publisher | Association for the Sciences of Limnology and Oceanography, Inc. |
| Description | 8 p. |
| First page | 342 |
| Last page | 349 |
| Country | Puerto Rico |
| Other Geospatial | San Cristobal Reef |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |