Growth and nutrient conservation in Rhizophora mangle in response to fertilization along latitudinal and tidal gradients

Feller, Ilka, Lovelock, Catherine and Piou, Cyril (2009) Growth and nutrient conservation in Rhizophora mangle in response to fertilization along latitudinal and tidal gradients. Smithsonian Contributions to the Marine Sciences, 38 345-359.

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Name Description MIMEType Size Downloads
Author Feller, Ilka
Lovelock, Catherine
Piou, Cyril
Title Growth and nutrient conservation in Rhizophora mangle in response to fertilization along latitudinal and tidal gradients
Formatted title
Growth and nutrient conservation in Rhizophora mangle in response to fertilization along latitudinal and tidal gradients
Journal name Smithsonian Contributions to the Marine Sciences   Check publisher's open access policy
ISSN 0196-0768
1943-667X
Publication date 2009-11-23
Sub-type Article (original research)
Volume 38
Start page 345
End page 359
Total pages 15
Place of publication Washinton, D C, United States
Publisher Smithsonian Institution Press
Language eng
Subject C1
960802 Coastal and Estuarine Flora, Fauna and Biodiversity
060203 Ecological Physiology
Formatted abstract
Mangroves form heterogeneous marine ecosystems with spatial differences in structural complexity, biodiversity, biogeochemistry, and hydrology that vary at local and regional scales. Although mangroves provide critical ecosystem goods and services, they are threatened globally by human activities, including nutrient over-enrichment. Our goal was to determine if enrichment with nitrogen (N) or phosphorus (P) interacts with forest structure and latitude to alter growth and nutrient dynamics. We established a series fertilization experiments across more than 2,000 km and 18° of latitude from the Indian River Lagoon (IRL), Florida, to Twin Cays, Belize, to Bocas del Toro, Panamá. At each site, we fertilized individual trees with one of three treatment levels (control, +N, +P) in two intertidal zones (fringe, scrub) and measured their responses for four years. We tested the effects of nutrient over-enrichment on growth, resorption effi ciency, and resorption proficiency of the red mangrove Rhizophora mangle. All sites were nutrient limited, but patterns of nutrient limitation varied by zone and latitude. At IRL, growth was N limited; at Twin Cays, the fringe was N limited, but the scrub forest was P limited; at Bocas del Toro, the fringe was N limited, but the scrub forest was both N- and P limited. Nutrient enrichment had dramatic and complex effects on nutrient conservation. Adding nutrients to mangrove ecosystems affected growth and the nutrient recycling, but the pattern depended on location, site characteristics, and the nature of nutrient limitation. Predicting how forests will respond to nutrient over-enrichment requires an assessment of spatial heterogeneity at multiple scales of response.
Q-Index Code CX
Q-Index Status Provisional Code
Institutional Status UQ
Additional Notes Article published in Proceedings of the Smithsonian Marine Science Symposium / / edited by Michael A. Lang, Ian G. Macintyre, and Klaus Rutzler. Series: Smithsonian contributions to the marine sciences, -- no. 38

Document type: Journal Article
Sub-type: Article (original research)
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Created: Tue, 03 Aug 2010, 15:41:44 EST by Joni Taylor on behalf of School of Biological Sciences