Fleming Bethany F. M.

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Fleming
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Bethany F. M.
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  • Dataset
    Macrofauna and larvae collected at the Auka hydrothermal vent field in Pescadero Basin in 2017
    (Woods Hole Oceanographic Institution, 2023-01-13) Beaulieu, Stace E. ; Mills, Susan W. ; Fleming, Bethany F. M. ; Angier, Sabine ; Toner, Mary ; Mullineaux, Lauren S.
    This data package provides the sampling locations and identifications for macrofauna and larvae collected at the Auka hydrothermal vent field in Pescadero Basin in 2017 and used in a study by Fleming et al. (2022). This data package contains five tables: paired tables for benthic slurps (sampling metadata and specimen counts), paired tables for plankton slurps (sampling metadata and specimen counts), and one table summarizing benthic and plankton specimens with Barcode of Life Data System (BOLD) Barcode Index Numbers (BINs). The paired data tables are partially aligned to Darwin Core event and occurrence tables for future contribution to the Ocean Biodiversity Information System (OBIS). Records for specimens in BOLD are available through the Global Biodiversity Information Facility (GBIF).
  • Article
    Ecological connectivity in Pacific deep-sea hydrothermal vent metacommunities
    (Inter-Research Science Publisher, 2024-03-13) Fleming, Bethany F. M. ; Beaulieu, Stace E. ; Mills, Susan W. ; Gaggiotti, Oscar E. ; Mullineaux, Lauren S.
    Larval dispersal and connectivity between patchy, transient, deep-sea hydrothermal vent communities are important for persistence and recovery from disturbance. We investigated connectivity in vent metacommunities using the taxonomic similarity between larvae and adults to estimate the extent of exchange between communities and determine the relative roles of larval dispersal and environmental limitations (species sorting) in colonization. Connectivity at vent fields in 3 Pacific regions, Pescadero Basin, northern East Pacific Rise (EPR), and southern Mariana Trough, varied substantially and appeared to be driven by different processes. At Pescadero Basin, larval and adult taxa were similar, despite the existence of nearby (within 75 km) vent communities with different species composition, indicating limited larval transport and low connectivity. At EPR, larval and adult taxa differed significantly, despite the proximity of nearby vents with similar benthic composition, indicating substantial larval transport and potentially strong species sorting, but other factors may also explain these results. At the Mariana Trough, the larvae and adults differed significantly, indicating high larval transport but environmental limitations on colonization. We demonstrate that analysis of routinely collected samples and observations provides an informative indicator of metacommunity connectivity and insights into drivers of community assembly.