Research Topics

Biophysical Modeling

Connectivity

Invasive Species

Species Distribution Modeling

Larval Connectivity

Ocean Models

Geographical Information Systems

Movement Ecology

 

Publications

and News

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A Bank Divided

A bank divided: quantifying a spatial and temporal connectivity break between the Campeche Bank and the north-eastern Gulf of Mexico

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A coordinated and sustained international strategy

A coordinated and sustained international strategy is required to turn the tide on the Atlantic lionfish invasion

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All about Lionfish

Lionfish are an invasive species that has established populations throughout the Gulf of Mexico, Caribbean, and tropical western Atlantic.  Watch the video below to learn more about this invasive...

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An Empirically-validated Method for Characterizing Pelagic Habitats in the Gulf...

An Empirically-validated Method for Characterizing Pelagic Habitats in the Gulf of Mexico Using Ocean Model Data

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Are lionfish set for a Mediterranean invasion?

Are lionfish set for a Mediterranean invasion? Modelling explains why this is unlikely to occur

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Forecasting the Success of Invasive Marine Species

Forecasting the Success of Invasive Marine Species; Lessons Learned from Purposeful Reef Fish Releases in the Hawaiian Islands.

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Hurricanes Accelerated the Florida-Bahamas Lionfish Invasion

Hurricanes Accelerated the Florida-Bahamas Lionfish Invasion

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Lionfish in the eastern Pacific

Lionfish in the eastern Pacific: a cellular automaton approach to assessing invasion risk

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Lionfish Sources and Sinks

Forecasting lionfish sources and sinks in the Atlantic: are Gulf of Mexico reef fisheries at risk?

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Measuring Bahamian lionfish impacts

Measuring Bahamian lionfish impacts to marine ecological services using habitat equivalency analysis

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Panther Grouper

Modeling the Potential Spread of the Recently Identified Non-Native Panther Grouper (Chromileptes altivelis) in the Atlantic Using a Cellular Automaton Approach

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Perspectives of biophysical modelling with implications on biological connectivity of...

Perspectives of biophysical modelling with implications on biological connectivity of cold water corals in the Mediterranean. 

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Population collapse dynamics in Acropora downingi

Population collapse dynamics in Acropora downingi, an Arabian/Persian Gulf ecosystem-engineering coral, linked to rising temperature. Global Change Biology.

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Ports and pests

Ports and pests: Assessing the threat of aquatic invasive species introduced by maritime shipping activity in Cuba

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Spatial analysis of the invasion of lionfish in the western...

Spatial analysis of the invasion of lionfish in the western Atlantic and Caribbean

Full Publication List

(in reverse chronological order)

**student publications

28. Geselbracht L, Johnston MW, DeAngelis B, Birch A (in press) “Estuary-specific and adaptive habitat suitability index model for the eastern oyster Crassostrea virginica in the Pensacola Bay System, Florida, USA. Coastal Management Journal

27. Sutton T, … Johnston MW…. And 23 other authors (2022) The Open-Ocean Gulf of Mexico after Deepwater Horizon: Synthesis of a Decade of Research. Frontiers in Marine Science 9 (2022) https://www.frontiersin.org/articles/10.3389/fmars.2022.753391 

26. Cook AB, Bernard AM, Boswell KM, Bracken-Grissom H, D’Elia M, deRada S, Easson CG, English D, Eytan RI, Frank T, Hu C, Johnston MW, Judkins H, Lembke C, LopezJV, Milligan RJ, Moore JA, Penta B, Pruzinsky NM, Quinlan JA, Richards TM, Romero IC, Shivji MS, Vecchione M, Weber MD, Wells RJD, Sutton TT (2020) A Multidisciplinary Approach to Investigate Deep-Pelagic Ecosystem Dynamics in the Gulf of Mexico following Deepwater Horizon. Frontiers in Marine Science 7 (2020): 1122.

25. Steiner SCC, Martinez P, Rivera F, Johnston MW, Riegl B (2020) Octocoral population density, connectivity, and assemblages in the Eastern Pacific (Continental Ecuador and Galapagos). Population Dynamics of the Reef Crisis 87 (2020): 411.

24. Timm LE, Isma L, Johnston MW, Bracken-Grissom, HD (2020) Comparative Population Genomics and Biophysical Modeling of Shrimp Migration in the Gulf of Mexico Reveals Current-Mediated Connectivity. Frontiers in Marine Science. 7, 19. https://www.frontiersin.org/article/10.3389/fmars.2020.00019

23. Boswell K, D’Elia M, Johnston MW, Mohan JA, Warren D, Wells RJD, Sutton T (2020) Oceanographic Structure and Light Levels Drive Patterns of Sound Scattering Layers in a Low-Latitude Oceanic System. Frontiers in Marine Science 7, 51. https://www.frontiersin.org/article/10.3389/fmars.2020.00051

22. Bernard AM, Johnston MW, Reichert MJ, Shivji MS (2019) Genetic and Biophysical Modeling Evidence of Generational Connectivity in the Intensively Exploited, Western North Atlantic Red Grouper (Epinephelus morio). ICES Journal of Marine Science. 77(1), 359-370 21. https://academic.oup.com/icesjms/article/77/1/359/5614358

21.Riegl B, Johnston MW, Glynn PW, Keith I, Rivera F, Vera-Zambrano M, Banks S, Glynn PJ (2019) Some environmental and biological determinants of coral richness, resilience and reef building in Galápagos (Ecuador). Nature Scientific Reports 9(1), 10322. https://www.nature.com/articles/s41598-019-46607-9

20. Byrne ME, Wetherbee BM, Vaudo J, Johnston MW, Harvey GM, Shivji MS (2019) Behavioral Response of a Mobile Marine Predator to Environmental Variables Differs Across Ecoregions. Ecography. 42: 1569-1578. https://onlinelibrary.wiley.com/doi/pdf/10.1111/ecog.04463

19. Johnston MW, Milligan RJ, Easson CG, de Rada S, English D, Penta B, Sutton TT (2019) An Empirically-validated Method for Characterizing Pelagic Habitats in the Gulf of Mexico Using Ocean Model Data. Limnology and Oceanography Methods 17(6), 363-375.

18. Johnston MW, Larsson AI (2019) 40 Perspectives of Biophysical Modelling with Implications on Biological Connectivity of Mediterranean Cold-Water Corals. In: Orejas C., Jiménez C. (eds) Mediterranean Cold-Water Corals: Past, Present and Future. Coral Reefs of the World, vol 9. Springer, Cham

17. Riegl B, Johnston MW, Bauman A, Howells E, Burt J, Purkis S, Sheppard CRC (2018) Population collapse dynamics in Acropora downingi, an Arabian/Persian Gulf ecosystem-engineering coral, linked to rising temperature. Global Change Biology.

16. Sylvain P, Johnston MW,  Vaissièrec AC, Bergerd F, Jacoba C, Dodge R (2017) An update of the Visual_HEA software to improve the implementation of the Habitat Equivalency Analysis method. Ecological Engineering 105, 276-283.

15. O’Brien CM**, Johnston MW, Kerstetter D (2017) Ports and Pests: Assessing the Threat of Aquatic Invasive Species Introduced by Maritime Shipping Activity in Cuba. Marine Pollution Bulletin 125(1-2), 92-102.

14. Johnston MW, Bernard AM (2017) A bank divided: quantifying a spatial and temporal connectivity break between the Campeche Bank and the north-eastern Gulf of Mexico. Marine Biology 164(1), 1-15.

13. Johnston MW, Bernard AM, Shivji MS (2017) Forecasting lionfish sources and sinks in the Atlantic: Are Gulf of Mexico reef fisheries at risk? Coral Reefs 36, 169-181.

12. Purkis SJ, Gardiner R, Johnston MW, Sheppard CRC (2016) A half-century of coastline change in Diego Garcia – a strategically important atoll island in the Chagos. Geomorphology 261, 282-298.

11. Johnston MW, Akins, JL (2016) The Non-native royal damsel (Neopomacentrus cyanomos) in the southern Gulf of Mexico; an invasion risk? Marine Biology 163(1), 1-14.

10. Johnston MW, Purkis SJ (2016) Forecasting the success of invasive marine species; lessons learned from purposeful reef fish releases in the Hawaiian Islands. Fisheries Research 174, 190-220.

9. Johnston MW, Purkis SJ, Dodge RE (2015) Measuring Bahamian lionfish impacts to marine ecological services using Habitat Equivalency Analysis. Marine Biology. 162 (12), 2501-2512.

8. Johnston MW, Purkis SJ (2015) A coordinated and sustained international strategy is required to turn the tide on the Atlantic lionfish invasion. Marine Ecology Progress Series 533:219-235. http://dx.doi.org/10.3354/meps11399

7. Johnston MW, Purkis SJ (2015) Hurricanes Accelerated the Florida-Bahamas Lionfish Invasion. Global Change Biology 21, 2249-2260. http://dx.doi.org/10.1111/gcb.12874

6. Johnston MW, Purkis SJ (2014) Are lionfish set for a Mediterranean invasion? Modelling explains why this is unlikely to occur. Marine Pollution Bulletin 88 (1), 138-147. http://dx.doi.org/10.1016/j.marpolbul.2014.09.013

5. Johnston MW, Purkis SJ (2014) Lionfish in the eastern tropical and north Pacific; A cellular automaton approach to risk assessment. Biological Invasions 16 (12), 2681-2695.

4. GIGA Community of Scientists (2013) Global Invertebrate Genomics Alliance (GIGA): Developing community resources to study diverse invertebrate genomes. Journal of Heredity. 2014:105(1):1-18.

3. Johnston MW, Purkis SJ (2013) Modeling the potential spread of the recently identified non-native panther grouper (Chromileptes altivelis) in the Atlantic using a cellular automaton approach. PLoS ONE 8(8): e73023. doi:10.1371/journal.pone.0073023

2. Johnston MW, Purkis SJ (2012) Invasionsoft: A web-enabled tool for invasive species colonization predictions. Aquatic Invasions 7(3), 405–417.

1. Johnston MW, Purkis SJ (2011) Spatial analysis of the invasion of lionfish in the western Atlantic and Caribbean. Marine Pollution Bulletin 62 (6), 1218–1226.

Conference Proceedings and Poster Presentations:

24. Johnston MW, Milligan RJ, Easson CG, English D, de Rada S, Penta B, Sutton TT (2018) DEEPEND: A Tool for Classification of Mesoscale Water mass Structure for Pelagic Community Analyses. 2018 Gulf of Mexico Oil Spill and Ecosystem Science Conference, New Orleans, Louisiana, USA.

23. Johnston MW, Milligan RJ, Easson CG, English D, de Rada S, Penta B, Sutton TT (2018) DEEPEND: A Tool for Classification of Mesoscale Water mass Structure for Pelagic Community Analyses. 2018 HCNSO Science Symposium, Dania Beach, Florida, USA.

22. Johnston MW, Milligan RJ, Easson CG, de Rada, S, Penta B, Sutton TT (2018) DEEPEND: A Tool for Classification of Mesoscale Watermass Structure for Pelagic Community Analyses. 2018 Ocean Sciences Meeting, Portland, Oregon, USA.

21. Johnston MW, Purkis SJ (2017) Hurricanes Accelerated the Florida–Bahamas Lionfish Invasion. 20th International Conference on Aquatic Invasive Species, Coral Springs, Florida, USA.

20. Johnston MW, Purkis SJ (2017) Hurricanes Accelerated the Florida–Bahamas Lionfish Invasion. 38th Meeting of the United States Coral Reef Task Force, Fort Lauderdale, Florida, USA.

19. Johnston MW, Purkis SJ (2017) Biophysical Modeling Suggests Hurricanes Accelerated the Florida–Bahamas Lionfish Invasion. American Fisheries Society 147th Annual Meeting, Tampa, Florida.

18. Johnston MW, Bernard AM (2017) Forecasting Lionfish Sources and Sinks in the Atlantic Using Biophysical Modeling. American Fisheries Society 147th Annual Meeting, Tampa, Florida.

17. deRada S, Penta B, Sutton T, Johnston M, Milligan R, Easson C, Cook A, Boswell K, Lembke C, English D, Hu C (2017) Physical-bio-optical modeling in the Gulf of Mexico: Analysis of water mass relationships to pelagic habitat. 2017 ASLO Ocean Sciences Meeting, Honolulu, Hawai’i.

16. Sutton T, Cook A, Boswell k, Bracken-Grissom H, deRada S, English D, Eytan R, Hu C, Johnston M, Judkins H, Lembke C, Lopez J, Moore J, Nizinski M, Penta B, Romero I, Rooker J, Shivji M, Vecchione M, Wells D, Youngbluth M, Fenolio D, Frank T (2017) Deep-pelagic research in the Gulf of Mexico: The DEEPEND Consortium. 2017 ASLO Ocean Sciences Meeting, Honolulu, Hawai’i.

15. Johnston MW, Milligan RJ, Easson CG, de Rada S, Penta B, Sutton T (2017) DEEPEND: Characterizing Pelagic Habitats in the Gulf of Mexico Using Model, Empirical, and Remotely-Sensed Data. Gulf of Mexico Oil Spill and Ecosystem Science Conference, New Orleans, Louisiana, USA

14. deRada S, Penta B, Johnston MW, Milligan RJ, Easson CG, Sutton T (2017) DEEPEND: Relating Pelagic Habitat to Ocean Stratification. Gulf of Mexico Oil Spill and Ecosystem Science Conference, New Orleans, Louisiana, USA

13. Johnston MW, Bernard AM, Shivji MS (2016) Genetic and Biophysical Modeling Assessment of Red Grouper (Epinephelus Morio) Connectivity in the Gulf of Mexico and Southeastern USA. 69th Annual Gulf and Caribbean Fisheries Institute Conference, Grand Cayman, Cayman Islands.

12. Johnston MW, Bernard AM, Shivji MS (2016) Lionfish sources and sinks in the Atlantic: are reef fisheries in the Gulf of Mexico at risk? 69th Annual Gulf and Caribbean Fisheries Institute Conference, Grand Cayman, Cayman Islands.

11. Johnston MW, Bernard AM, Reichert MJ, Shivji MS (2016) Genetic and biophysical modeling assessment of connectivity in the red grouper, Epinephelus Morio. 13th International Coral Reef Symposium, Honolulu, HI, USA.

10. Cowen N, Johnston MW (2016) Monitoring a problem: evaluating the ecological status of the invasive Nile Monitor in Florida and forecasting population expansion using computational GIS. HCNSO Ocean Science Jamboree, Dania Beach, FL, USA.

9. Johnston MW (2016) A bank divided: quantifying the spatial-temporal connectivity break on the Campeche Bank. HCNSO Ocean Science Jamboree, Dania Beach, FL, USA.

8. O'Brien C, Johnston MW (2016) Port Mariel, Cuba: promise, prosperity, and pests. HCNSO Ocean Science Jamboree, Dania Beach, FL, USA.

7. deRada S, Penta B, Johnston MW, Sutton T (2016) A Gulf of Mexico comparative analysis of numerical model results, cruise-based observations, and historical data. Gulf of Mexico Oil Spill and Ecosystem Science Conference. Tampa, Florida, USA.

6. Sutton TT, Johnston MW, and 18 others (2015) Understanding deep–pelagic ecosystem variability in an age of increasing deep–ocean commercial activity: A Gulf of Mexico case study and new research initiative (DEEPEND). Deep–Sea Biology Symposium, Aveiro, Portugal.

5. Sutton TT, Cook AC, Johnston MW, and 17 others (2015) DEEPEND: Deep Pelagic Nekton Dynamics of the Gulf of Mexico. Deep–Sea Biology Symposium, Aveiro, Portugal.

4. Sutton TT, Cook AC, Johnston MW, and 17 others (2015) DEEPEND: Deep Pelagic Nekton Dynamics of the Gulf of Mexico. 2015 Joint Meeting of Ichthyologists and Herpetologists, Reno, Nevada, USA.

3. Sutton TT, Cook AC, Johnston MW, and 17 others (2015) DEEPEND: Deep Pelagic Nekton Dynamics of the Gulf of Mexico. Gulf of Mexico Oil Spill and Ecosystem Science Conference, Houston, TX

2. Lopez J, Johnston MW (2014) Establishing a “Global Invertebrate Genome Alliance” (GIGA) for comparative genomics. Society of Molecular Biology and Evolution Meeting

1. Johnston MW, Purkis SJ (2013) Lionfish in the eastern Pacific and Mediterranean – assessing the invasion risk with cellular automaton models. FWC Lionfish Summit Report