نبذة مختصرة : 13 C and δ 15 N stable isotope values occurred over spatial scales of hundreds of meters. Some of this variation is consistent with the spatial mosaics of seagrass, sand flat and mangrove habitats available to fish. In a nearly pristine system, fish captured in mangrove systems show fine scale variability in stable isotope values, but we found no indication that mangrove productivity directly supported local fish populations through the trophic web.
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