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Megan La Peyre

Research Publications

  • De Marco, KD, Couvillion, B, Brown S., La Peyre, MK. 2018. Submerged aquatic vegetation mapping in coastal Louisiana through development of a spatial likelihood occurrence (SLOO) model. Aquatic Botany 151:87-97.
  • Reece JS, Watson A, Dalyander PS, Edwards CK, Geselbracht L, La Peyre MK, Tirpak BE, Tirpak JM Woodrey, M. A multiscale natural community and species-level vulnerability assessment of the Gulf Coast, USA.
  • Casas SM, Lavaud R, La Peyre MK, Comeau LA, Filgueira R, La Peyre JF. Quantifying salinity and season relationships on eastern oyster clearance and oxygen consumption rates. Marine Biology Abstract | 
  • Lowe, M.R., T. Sehlinger, T.M. Soniat and M.K. La Peyre. 2017. Interactive effects of water temperature and salinity on growth and mortality of eastern oysters, Crassostrea virginica: a meta-analysis using 40 years of monitoring data. Journal of Shellfish Research 36:1-15.
    Abstract | 
  • Lavaud R., La Peyre MK, Casas S, Bacher C, La Peyre JF. 2017. Integrating the effects of salinity on the physiology of the eastern oyster, Crassostrea virginica, in the northern Gulf of Mexico through a Dynamic Energy Budget model. Ecological Modelling 363:221-233. Abstract | 
  • Schwarting Miller, L, J. La Peyre, M. La Peyre. 2017. Suitability of oyster restoration sites along the Louisiana coast: important biotic and abiotic factors influencing oyster population dynamics and reef-building. Journal of Shellfish Research 36:341-351.
    Abstract | 
  • Watson, A., Reece, J., Tirpak, B.E., Edwards, C.K., Geselbracht, L., Woodrey, M., La Peyre, M.K., and Dalyander, P.S., 2017, The Gulf Coast Vulnerability Assessment: Mangrove, Tidal Emergent Marsh, Barrier Islands, and Oyster Reef: Forest and Wildlife Research Center, Research Bulletin WFA421, Mississippi State University, 100 p., Abstract |  Publisher Website | 
  • Bilkovic, DM, Mitchell, MM, La Peyre MK, Toft, JD. editors. 2017. Living shorelines: the science and management of nature-based coastal protection. CRC Press, Taylor and Francis Group, Boca Raton, FL
  • La Peyre, MK, L. Miller, S. Miller, E. Melancon. 2017. Chapter 18: Comparison of oyster populations, shoreline protection service and site characteristics at seven created fringing oyster reefs in Louisiana: key parameters and responses to consider. In: Bilkovic, DM, M. Mitchell, MK La Peyre, JD Toft. eds. Living shorelines: the science and management of nature-based coastal protection. CRC Press. Taylor and Francis Group, Boca Raton, FL.
  • Bilkovic, DM, M. Mitchell, J. Toft and M. La Peyre. 2017. Chapter 1: Introduction: A Primer to Living Shorelines. In: Bilkovic, DM, M. Mitchell, MK La Peyre, JD Toft. eds. Living shorelines: the science and management of nature-based coastal protection. CRC Press. Taylor and Francis Group, Boca Raton, FL.
  • Toft, JD, Bilkovic, DM, M. Mitchell and M. La Peyre. 2017. Chapter 24: A Synthesis of Living Shoreline Perspectives. In: Bilkovic, DM, M. Mitchell, MK La Peyre, JD Toft. eds. Living shorelines: the science and management of nature-based coastal protection. CRC Press. Taylor and Francis Group, Boca Raton, FL.
  • McCoy E, Borrett SR, La Peyre MK, Peterson BJ. 2017. Estimating the impact of oyster restoration scenarios on transient fish production. Restoration Ecology. doi: 10.1111/rec.12498 Abstract | 
  • Wang, H., Q. Chen, M.K. La Peyre, K. Hu, J.F. La Peyre. 2017. Predicting the impacts of Mississippi River Diversions and Sea-Level Rise on spatial patterns of eastern oyster growth rate and production. Ecological Modelling. 352:40-53.
  • Wang, H., Q Chen, K Hu and M. La Peyre. 2016. A modeling study of the impacts of MIssissippi River diversion and sea-level rise on water quality of a deltaic estuary. Estuaries and Coasts. Estuaries and Coasts. DOI 10.1007/s12237-016-0197-7
  • Humphries AT, La Peyre MK. 2016. Oyster reef restoration supports increased biomass and potential commercial fishery value. PeerJ 3:e1111; DOI 10.7717/peerj.1111 Download  | 
  • Rybovich, M., La Peyre, M., Hall, S., La Peyre, J. 2016. Growth and mortality of spat, seed, and market-sized oyster at low salinities and high temperatures. Journal of Shellfish Research.
    Abstract | 
  • Hillmann, E., K.E. DeMarco and M La Peyre. 2016. Establishing a baseline of estuarine submerged aquatic vegetation resources across salinity zones within coastal areas of the northern Gulf of Mexico. Journal of the Southeastern Association of Fish and Wildlife Agencies. 3:25-32. Abstract |  Publisher Website | 
  • DeMarco, K, E. Hillmann, M. Brasher, M. La Peyre. 2016. Brackish marsh zones as a waterfowl habitat resource in submerged aquatic vegetation beds in the northern Gulf of Mexico. Journal of the Southeastern Association of Fish and Wildlife Agencies 3:261-269. Abstract |  Publisher Website | 
  • La Peyre, M.K., J. Geaghan, G. Decossas, J. F. La Peyre. 2015. Analysis of environmental factors influencing salinity patterns, oyster growth and mortality in lower Breton Sound Estuary, Louisiana using 20 years of data
  • La Peyre, MK. 2015. Final Summary to the South Central Climate Science Center for Occurrence and variation in submersed aquatic vegetation along the northern Gulf of Mexico: a hierarchical approach to assess impacts of environmental change on SAV resources. 2012-2015.
  • Honig, A, J. Supan, M. La Peyre. 2015. Population ecology of the gulf ribbed mussel across a salinity gradient: recruitment, growth and density within a Louisiana estuary. Ecosphere 6:1-13. Abstract | 
  • Watson, A., J. Reece, B.E. Tirpak, C. K. Edwards, L. Geselbracht, M. Woodrey, M. LaPeyre, and P. S. Dalyander. 2015. The Gulf Coast Vulnerability Assessment: Mangrove, Tidal Emergent Marsh, Barrier Islands, and Oyster Reef. <available online> Abstract | 
  • La Peyre, MK, Serra, K., Joyner, A, Humphries. AH. 2015, Assessing shoreline exposure and oyster habitat suitability maximizes potential success for restored oyster reefs. PeerJ 10.7717.peerj.1317. Abstract |  Download  | 
  • Bagget, L.P, Powers, S.P. + 14 others. 2015. Setting guidelines for monitoring and evaluating the performance of oyster habitat restoration projects. Restoration Ecology Abstract |  Download  | 
  • Beck, S., and M.K. La Peyre. 2015. Oyster harvest in coastal Louisian: reef habitat alteration and the resident community response. Fishery Bulletin 113:327-340; doi: 10.7755/FB.113.3.8 Download  | 
  • Casas SM, La Peyre JL, La Peyre MK Evaluating variability and success in oyster reef restoration within an estuarine lake using two endpoints: Crassostrea virginica population dynamics and shell resources accretion. MEPS 524: 171-184 Abstract |  Download  | 
  • Honig, A, M La Peyre, J. Supan. 2014. Seasonal gametogenesis of the ribbed mussel, Geukensia Granossissima, in southeastern Louisiana. Sexuality and Early Development in Aquatic Organisms 1:75-82. Abstract |  Download  | 
  • La Peyre, M.K., A. Humphries, S. Casas, J. La Peyre. 2014. Temporal variation in development of oyster reef functional services. Ecological Engineering 63:34-44. Abstract |  Download  | 
  • La Peyre, M., Furlong, J., Brown, L.A., Piazza, B.P., Brown, K. 2014. Oyster reef restoration in the northern Gulf of Mexico: extent, methods and outcomes. Ocean and Coastal Management 89:20-28. Abstract |  Download  | 
  • Brown, L, J. Furlong, K. Brown, M. LaPeyre. 2013. Oyster Reef Restoration in the Northern Gulf of Mexico: Effect of Artificial Substrate and Age on Nekton and Commensal Community Use. Restoration Ecology 1-9. Abstract |  Download  | 
  • La Peyre, MK, Eberline, BS, Soniat, TS, La Peyre, JL. 2013. Differences in extreme low salinity timing and duration differentially affect eastern oyster (Crassostrea virginica) recruitment, size class growth and mortality in Breton Sound, LA Estuarine Coastal and Shelf Science 135:146-157. Abstract |  Download  | 
  • Soniat et al.2012 A Shell-neutral modeling approach yields sustainable oyster harvest estimates: a retrospective analysis of the Louisiana state primary seed grounds. Journal of Shellfish Research 31:1101-1112. Dec 2012.
  • Piazza, B.P., M.K. La Peyre. 2012. Measuring changes in consumer resource availability to riverine pulsing in Breton Sound, Louisiana, USA. PLoS ONE 7(5):e37536.
  • La Peyre, MK, Nix, EA, Laborde, L, Piazza, BP. 2012. Gauging state-level and user group views of oyster ref restoration activities in the northern Gulf of Mexico. Ocean and Coastal Management 67:1-8. Publisher Website | 
  • La Peyre, MK and J Gordon. 2012. Nekton density patterns and hurricane recovery in submerged aquatic vegetation, and along non-vegetated natural and created edge habitats. Estuarine Coastal and Shelf Science 98:108-118
  • Humphries, AT, MK La Peyre, GA Decossas. 2011. Effect of structural complexity, prey density, and predator-free space on prey survivoship at created oyster reef mesocosms. PLOSOne: 6(12):e28339.
  • Humphries, AT, MK La Peyre, ME Kimball, LP Rozas. 2011. Testing the effect of habitat structure and complexity on nekton assemblages using experimental oyster reefs. Journal of Experimental Marine Biology and Ecology. doi: 10.1016/j.jembe.2011.08.017 Download  | 
  • Piazza, BP and MK La Peyre. 2011. Nekton community response to a large-scale Mississippi River discharge: examining immediate and lagged effects to managed freshwater flow. Estuarine Coastal and Shelf Science. Download  |  Publisher Website | 
  • Llewellyn, C. and M. La Peyre. 2010 Evaluating ecological equivalence of created marshes: comparing structural indicators with stable isotope indicators of blue crab trophic support; Estuaries; DOI 10.1007a/s12237-010-9297-y Download  | 
  • La Peyre, M., S. Casas, W. Gayle and J. La Peyre. 2010. The combined influence of sub-optimal temperature and salinity on the in vitro viability of Perkinsus marinus, a protistan parasite of the eastern oyster Crassostrea virginica. Journal of Invertebrate Pathology doi:10.1016/j.jip.2010.6.010 Download  | 
  • Piazza, B.P. M.K. La Peyre and B.D. Keim. 2010. Relating large-scale climate variability to local species abundance: ENSO forcing and brown shrimp(Farfantepenaeus aztecus) in Breton Sound, Louisiana USA. Climate Research 42:195-207 Download  | 
  • Piazza, B. and M La Peyre. 2010. Using Gambusia affinis growth and condition to assess estuarine habitat quality: a comparison of indices. Marine Ecology Progress Series 412:231-245. Download  | 
  • Nyman, JA, MK La Peyre, A Caldwll, S. Piazza, C Thom and C Winslow. 2009. Defining restoration targets for water depth and salinity in wind-dominated Spartina patens (Ait. ) Muhl. coastal marshes. Journal of Hydrology 376:327-336. Download  | 
  • Johnston, J.B., D.R. Cahoon and M.K. La Peyre. 2009. Outer continental shelf (OCS)-related pipelines and navigation canals in the Western and Central Gulf of Mexico: Relative impacts on wetland habitats and effectiveness of mitigation. U.S. Dept of the INterior,Minerals Managemetn SErvice, BUlf of MExico OCS Region, New Orleans, LA. OCS Study MMS 2009-048. 200 p.
  • Piazza, B. P., and M. K. La Peyre. 2009. The effect of Hurricane Katrina on nektkon communities in the tidal freshwater marshes of Breton Sound, Louiaiana, USA. Estuarine, Coastal and Shelf Science. 12/31/08 Download  | 
  • La Peyre, M.K., B. Gossman and B.P. Piazza. 2009. Short and long-term response of deteriorating brackish marshes and open-water ponds to sediment enhancement by thin-layer dredge disposal. Estuaries and Coasts 32:390-402.
  • La Peyre, MK, B. Gossman and JF La Peyre. Defining optimal freshwater flow for oyster production: effects of freshet rate and magnitude of change and duration on eastern oysters and Perkinsus marinus infection. Ecological Applications
  • Piazza BP, MK Piehler, B Gossman, MK La Peyre and JF La Peyre. Oyster recruitment and growth on an artificial reef structure in Grand Isle, LA. Bulletin of Marine Science 84:59-66. Download  | 
  • La Peyre, M. K., S. M. Casas, A. Villalba and J. F. La Peyre. 2008. Temperature effects of two Perkinsus species viability, metabolic activity and prliferation, and its significance to understanding seasonal cycles of perkinsosis. Parasitology 135:505-519
  • M. K. La Peyre and T. Birdsong. 2008. Physical variation of non-vegetated marsh edge habitats and nekton habitat use patterns in Barataria Bay, LA, USA. Marine Ecology Progress Series 356:51-61. Download  | 
  • Piazza, B., and M. K. La Peyre. 2007. Restoration of the annual flood pulse in Breton Sound, Louisiana, USA: habitat change and nekton community response. Aquatic Biology 1:109-119 Download  | 
  • La Peyre, M. K., B. Gossman and J. A. Nyman. 2007. Assessing functional equivalency of nekton habitat in enhanced habitats: comparison of terraced and unterraced marsh ponds. Estuaries and Coasts 30:526-536.
  • La Peyre, M., S. Casas and J. La Peyre. 2006. Salinity effects on viability, metabolic activity and proliferation of three Perkinsus species. Diseases of Aquatic Organisms 71:59-74. (January 2006) Download  | 
  • Kanouse, S., M. K. La Peyre and J. A. Nyman. 2006. Nekton use of submerged aquatic vegetation and nonvegetated bottom microhabitats within brackish marsh ponds. Marine Ecology Progress Series 327:61-69
  • La Peyre, M. K. G., C. Bush Thom, C. Winslow, A. Caldwell, and J. A. Nyman. 2005. Potential seed bank recruitment from restored and managed coastal marshes in southwest Louisiana. Southeastern Naturalist 4(2):273-286.
  • Piazza, B., P. D. Banks and M. K. LA Peyre. 2005. The potential for created oyster reefs as a sustainable shoreline protection strategy in Louisiana. Restoration Ecology 13:1-8. Download  | 
  • La Peyre, M. K., Bush, C. B., C. Winslow, A. Caldwell, J. A. Nyman. 2005. Potential for seed bank recruitment in restored and managed marshes of southwest Louisiana. Southeast Naturalist 4(2):273-286.
  • Plunket J and M. L. La Peyre. 2005. Cultched oyster beds as fish adn macroinvertebrate habitat in Barataria Bay, LA. Bulletin of Marine Science 77(1):155-164.
  • Bush, C. S., M. K. La Peyre and J. A. Nyman. 2004. Nekton use of restored habitat in a southwest Louisiana marsh. Ecological Engineering 23:63-75.
  • La Peyre, MK and S. Rowe. 2003. Effects of salinity changes on growth of Ruppia maritima L. Aquatic Botany 77(3)0:235-241.
  • La Peyre, MK, A. D. Nickens, G. Tolley, A. Volety and J. F. La Peyre. 2003. Environmental significance of freshets in reducing Perkinsus marinus infection in eastern oysters (Crassostrea virginica): Potential management applications. Marine Ecology Progress Series 248:165-176.
  • Nyman, J. A., and M. K. La Peyre. 2002. High hopes for marsh terraces as a small scale wetland restoration tool in coastal Louisiana. The Wildlife Society Bulletin. Fall 2002:8-11.
  • Greiner La Peyre, M. K., J. B. Grace, E. Hahn and I. A. Mendelssohn. 2001. The importance of competition in regulating species abundance along a salinity gradient. Ecology. 82(1):62-69.
  • La Peyre, M. . K., M. A. Reams and I. A. Mendelssohn. 2000. State wetland protection: a matter of context? Coastal Management. 28:287-302.
  • La Peyre, M. K., M. A. Reams, P. H. Templet, J. B. Grace and I. A. Mendelssohn. 2001. Identifying determinants of nations' wetland management programs using structural equation modeling: an exploratory analysis. Environmental Management 27(6):859-868.
  • La Peyre, M. K., Reams, M. A., and Mendelssohn, I. A. 2001. Linking actions to outcomes in wetland management: an overview of state wetland management. Wetlands 21(1):66-74.

Current Staff

Federal Staff: 3

Masters Students: 3

Phd Students: 2

Post Docs: 1

University Staff: 5

5 Year Summary

Students graduated: 14

Scientific Publications: 43

Presentations: 76


Contact Us

Louisiana Cooperative Fish and Wildlife Research Unit Baton Rouge, LA 70803-6202 Phone: (225) 578 - 4179 Fax: (225) 578 - 4144 Our University Web Site

Unit Leader

Sammy King
Sammy King, Unit Leader, Louisiana Cooperative Fish and Wildlife Research Unit

Dr. King is a native of Louisiana and holds a B.S. from Nicholls State University, M.S. from Auburn University, and a Ph.D. from Texas A&M University


  1. School of Renewable Natural Resources

Louisiana Cooperative Fish and Wildlife Research Unit Cooperators

  1. Louisiana Department of Wildlife and Fisheries
  2. Louisiana State University
  3. U.S. Fish and Wildlife Service
  4. U.S. Geological Survey
  5. Wildlife Management Institute