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.
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 |
| 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 |
| Google Analytic Metrics | Metrics page |