Person

Megan K LaPeyre

Assistant Unit Leader Research Fish Biologist

Cooperative Research Units

Email: mlapeyre@usgs.gov
Office Phone: 225-578-4180
Fax: 225-578-4144
ORCID: 0000-0001-9936-2252

Location
CRU COOP - LA FWRU - LA Cooperative Research Unit
School of Forestry Wildlife & Fish
Baton Rouge , LA 70803-4209
US

Supervisor: Sammy L King

11 items:

Seagrass habitat suitability modeling for the Alabama Barrier Island restoration assessment at Dauphin Island A barrier island seagrass habitat suitability index (HSI) model was developed for the Alabama barrier island restoration assessment at Dauphin Island. Shoal grass (Halodule wrightii) was selected as the representative species for seagrass community near Dauphin Island waters since H. wrightii is the dominant species (>62%) of seagrass communities in this area due to its rapid growth and tolerance to a wide range of salinity. Five water quality and morphological variables were selected and their relationships with habitat suitability were developed and incorporated into the seagrass HSI model for Dauphin Island restoration assessment: 1) mean salinity during the summer growing season, 2) mean temperature during the... Tags: Aquatic Biology, Dauphin Island, Mobile, Remote Sensing, USGS Science Data Catalog (SDC), All tags...
Occurrence and variation in submergent aquatic vegetation along the northern Gulf of Mexico (AL to TX): vulnerability assessment and climate change impacts This QR project produced an annual report. Submersed aquatic vegetation (SAV) communities are highly productive ecosystems that provide significant ecological benefits within coastal areas, including support for many important species of fish and wildlife. Despite their critical importance, and loss globally, we lack consistent baseline data on SAV resources across the coastal salinity gradient. This project is part of a larger funded effort which has the overall objectives to document the occurrence and abundance of SAV resources (e.g., coverage, composition, seed resources) within the northern Gulf of Mexico over three years, to quantitatively assess environmental factors affecting SAV spatial and temporal variation,... Categories: Project; Tags: Conservation planning/decision support, FWSR4, SSPQR, storymap
FINAL SUMMARY: Occurrence and variation in submersed aquatic vegetation (SAV) along the northern Gulf of Mexico
Defining Aquatic Habitat Zones Across Northern Gulf of Mexico Estuarine Gradients Through Submerged Aquatic Vegetation Species Assemblage and Biomass Data Submerged aquatic vegetation (SAV) creates highly productive habitats in coastal areas, providing support for many important species of fish and wildlife. Despite the importance and documented loss of SAV across fresh to marine habitats globally, we lack consistent baseline data on estuarine SAV resources, particularly in the northern Gulf of Mexico (NGOM) estuaries. To understand SAV distribution in the NGOM, SAV biomass and species identity were collected at 384 sites inter-annually (June–September; 2013–2015) from Mobile Bay, Alabama, to San Antonio Bay, Texas, USA. Coastwide, SAV distribution and biomass were consistent across years, covering an estimated 87,000 ha, and supporting approximately 16 ± 1% total... Categories: Publication; Types: Citation
Oyster habitat suitability modeling for the Alabama Barrier Island restoration assessment at Dauphin Island A spatially explicit oyster habitat suitability index (HSI) model was developed for the Alabama barrier island restoration assessment at Dauphin Island. Based on previous oyster habitat suitability studies, seven water quality variables were selected and their relationships with habitat suitability were developed and incorporated into the oyster HSI model for Dauphin Island restoration assessment: 1) mean salinity, 2) minimum monthly mean salinity, 3) annual mean salinity, 4) annual mean dissolved oxygen, 5) annual mean total suspended solids, 6) annual mean water depth, and 7) annual mean water temperature. The final HSI score was calculated using the weighted geometric mean of the suitability scores of these individual... Tags: Aquatic Biology, Cedar Point, Dauphin Island, Mobile, USGS Science Data Catalog (SDC), All tags...

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