Journal
FRONTIERS IN MARINE SCIENCE
Volume 9, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fmars.2022.894663
Keywords
fish; mangrove; Biscayne Bay; salinity; biodiversity; Florida
Funding
- College of Arts and Science, University of Miami
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This study utilized public data to investigate fish assemblages in Biscayne Bay. It found that mangrove wetlands provide important habitat for fish, and that species composition and diversity were correlated with salinity and depth, rather than the integrity of the mangroves or the geographic location.
Biscayne Bay is an urban bay in Southeast Florida, but the southern region of the Bay is dominated by mangroves. Mangrove wetlands provide important habitat for fish, but some regions are altered by drainage canals in southern Biscayne Bay. This study utilized a large public dataset to determine if fish formed distinct species assemblages throughout Biscayne Bay by examining fish surveyed at 12 different sites over 5 years. Six sites were in front of intact mangrove shorelines, while the other six sites were adjacent to mangrove sites altered by drainage canals or residential marinas. Cluster analyses revealed that fish did form distinct species assemblage clusters which were correlated with salinity and depth. Mangrove shoreline type (intact vs. canal-altered) and geographic location did not appear to affect species composition or diversity in fish assemblages across Southern Biscayne Bay.
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