What species is recognized as a keystone species in Louisiana's coastal ecosystems?

Oysters are recognized as a keystone species in Louisiana's coastal ecosystems due to their significant ecological role and the many benefits they provide to their environment. These bivalves help to improve water quality by filtering large volumes of water, which removes sediments, algae, and pollutants. This filtration process not only supports a healthy aquatic habitat but also promotes the growth of seagrasses and other beneficial organisms by increasing water clarity.

Furthermore, oyster reefs serve as crucial habitat structures for numerous marine species, offering shelter and feeding opportunities. The reefs created by oysters also help to stabilize shorelines, reducing erosion and protecting coastal areas from storm surges and wave action. By playing these critical roles, oysters contribute to the overall health and stability of Louisiana's coastal ecosystems, maintaining biodiversity and supporting commercial fisheries. This demonstrates the essential nature of oysters in maintaining ecological balance, affirming their status as a keystone species.