JUNE 25,
2019
by Dauphin
Island Sea Lab
A new
publication in the journal Estuaries and Coasts investigates the use of a
fluorescent dye to track movements of young oysters. The publication,
"Field mark-recapture of calcein-stained larval oysters (Crassostrea
virginica) in a freshwater-dominated estuary", provides new knowledge on
methods for tracking oysters in low salinity environments common to coastal
waters, particularly in the northern Gulf of Mexico. This information is
important to understand where oysters settle and grow compared to locations of
parent stocks and to guide management practices of oysters or any marine
species with larval stages that live in the water column.
Free-living
aquatic animals have the potential to be transported long distances during
early life development. These movements can influence adult distributions and
subsequently how populations are connected. By understanding larval transport
pathways, we can better inform restoration efforts of
remaining marine invertebrate populations globally. This information is
particularly important for commercial species such as oysters, which are a
valuable resource for Alabama and other coastal waters.
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