Personnel: Hearn



Alex R. Hearn

Position: Project Scientist

Campus Address:
Department of Wildlife, Fish, & Conservation Biology
University of California, Davis
One Shields Avenue
Davis, CA 95616

Phone: (530) 752-5372

Email: spam free email link to Dr. Hearn


2001   Ph.D., Marine Biology, International Centre for Island Technology (ICIT), Heriot-Watt University, UK.

1997   M.Sc, Marine Resource Development and Protection, ICIT, Heriot-Watt University, UK.

1995   BSc Hons. Oceanography with Marine Biology, Southampton University, UK.

Research Interests:

Marine Reserve ecology and management with relation to fisheries; movements and connectivity of large pelagics (hammerhead, Galapagos and whale sharks) in the Eastern Tropical Pacific; the importance of seamounts and oceanic islets as biological hotspots; green sturgeon movements; tracking and telemetry.


Bessudo S, G Soler, P Klimley, J Ketchum, A Arauz, A Hearn (2011). Residency of the scalloped hammerhead shark (Sphyrna lewini) at Malpelo Island and evidence of migration to other islands in the Eastern Tropical Pacific. Environmental Biology of Fishes 91 (2): 165-176

Hearn A, Ketchum J, Klimley AP, Espinoza E & C Peñaherrera (2010). Hotspots within hotspots? Hammerhead shark movements around Wolf Island, Galapagos Marine Reserve. Marine Biology 157 (9): 1899-1915

Nance H & A Hearn (2008) Current research aimed at protecting the globally endangered scalloped hammerhead shark, Sphyrna lewini, in the Eastern Tropical Pacific. Endangered Species Update 2008 25 (1): 9-11 (published in 2010)

Hearn A (2008) The rocky path to sustainable fisheries and conservation in the Galapágos Marine Reserve. Ocean & Coastal Management 51: 567-574 Hearn A & JC Murillo (2008) Life history of the red spiny lobster Panulirus penicillatus (Olivier, 1791) (Decapoda: Palinuridae) in the Galapagos Marine Reserve, Ecuador. Pacific Science 62 (2): 191-204 Hearn A, Ketchum J, Shillinger G, Klimley & E Espinoza (2008). Shark Research & Conservation in the Galapagos Marine Reserve. Annual Report 2006-7. Fundación Charles Darwin, Santa Cruz, Galapagos, Ecuador 114 pp (In Spanish).

Zárate P & A Hearn (2008) Conservation Status of Sharks in Nicaragua, Costa Rica, Panama, Colombia and Ecuador. Consultancy by the Charles Darwin Foundation for IUCN. Santa Cruz, Galápagos, Ecuador, 33p (In Spanish).

Hearn A & MV Toral-Granda (2007) Reproductive biology of the red spiny lobster Panulirus penicillatus and the slipper lobster Scyllarides astori in the Galápagos Islands. Crustaceana 80 (3): 297-312

Hearn A, MV Toral-Granda, C Martinez & GK Reck (2007) Biology and fishery of the Galápagos slipper lobster. In: E Spanier & K Lavalli (eds.) The biology and fisheries of the slipper lobster. Crustacean Issues, vol 17. pp 287-308

Hearn A (2006) Life history of the slipper lobster Scyllarides astori Holthuis 1960, in the Galápagos Islands, Ecuador. Journal of Experimental Marine Biology and Ecology 328 (1): 87-97

Hearn A, P Martínez, MV Toral-Granda, J Murillo, & J Polovina (2005) Population dynamics of the exploited sea cucumber Isotichopus fuscus in the Western Galapagos Islands, Ecuador. Fisheries Oceanography 14 (5): 377-385

Hearn A (2004) Reproductive biology of the velvet swimming crab Necora puber (L.) in the Orkney islands UK. Sarsia: North Atlantic Marine Science, 89 (5): 318-325



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