Land-use and sedimentation patterns in Saint Lucia in relation to their impacts on coral reefs

Bégin, Chantale; Côté, Isabelle M., 1962-; Alicea, Eileen

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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Land-use and sedimentation patterns in Saint Lucia in relation to their impacts on coral reefs

2011
By Bégin, Chantale ; Côté, Isabelle M., 1962- ; Alicea, Eileen

[PDF-747.37 KB]

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Personal Author:

Bégin, Chantale ; Côté, Isabelle M., 1962- ; Alicea, Eileen

Bégin, Chantale ; Côté, Isabelle M., 1962- ; Alicea, Eileen Less -
Corporate Authors:

United States, National Ocean Service ; United States, National Oceanic and Atmospheric Administration, ; Coral Reef Conservation Program (U.S.)

United States, National Ocean Service ; United States, National Oceanic and Atmospheric Administration, ; Coral Reef Conservation Program (U.S.) Less -
NOAA Program & Office:

NOS (National Ocean Service) ; CoRIS (Coral Reef Information System)

NOS (National Ocean Service) ; CoRIS (Coral Reef Information System) Less -
Description:

"Increased sedimentation is widely cited as an important stress for Caribbean coral reefs. However, for most locations we currently lack both accurate records of changes in sediment accumulation rate over reefs as well as a quantitative link between land use practices and downstream sediment yield. This study aims to provide this information for two watersheds in Saint Lucia. We modified a GIS-based sediment budget model originally developed in Saint John (US Virgin islands) to calculate current and past sediment yields in the two focal watersheds, and used sediment cores collected near downstream coral reefs to examine changes in sediment composition and accumulation rate over the past several decades. Our results show increases over the last decades in accumulation rates of terrigenous sediment, originating from the upstream watersheds, as well as calcareous sediment, likely arising from the decline of corals. Changes in sediment yields over time calculated with the model were similar to changes in terrigenous sediment accumulation rate on the reef, suggesting that this simple model hasgood potential as a predictive tool".
Keywords:

[+]

Analysis Benthos Coral Declines Coral Reef Ecology Coral Reef Management Coral Reefs And Islands Corals Effect Of Sediments On Health Marine Sediments Measurement Sampling Watershed Management
Document Type:

Miscellaneous
Funding:

Grant no. NA09NOS4630011;
Place as Subject:

Saint Lucia
Rights Information:

Public Domain
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:ce7b0959ca489d07dbefd753b143ab6ccfcbc0388cd311a5e28e9419da4296e2
Download URL:

https://repository.library.noaa.gov/view/noaa/928/noaa_928_DS1.pdf
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Land-use and sedimentation patterns in Saint Lucia in relation to their impacts on coral reefs

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