Christian Jost (geographer)

His research domains are - Systems of constraints and challenges of development and environmental management in the Global South - Eco-geosystemic evolution, coastal dynamics, geopolitics and valorization of the territory of La Passion - Clipperton - Water and Risks - Island Geosystems - Sociocultural and Ecosystem Values and Indicators of Landscapes as Decision Support.

Surveys he made there in 1997 and 2001 (confirmed in 2005) established that Clipperton is the largest colony of masked boobies in the world, with 110,000 individuals at that time.

Jost was a member of SURPACLIPP, Viviane Solis-Weiss's 1997 Franco—Mexican oceanographic expedition to Clipperton (a joint venture of the National Autonomous University of Mexico and the University of New Caledonia),[3] then he led the 2001 follow-up expedition PASSION 2001,[5] which provided updated data on the geography, environment, water resources and management constraints of the atoll.

[6] He has been widely invited to give Conferences, Master or Doctorate seminars, or participate in international workshops and conferences (Québec Mac Gill, Laval universities, several years; Rio de Janeiro, UFF, 2011 as co-organizer of the first world Congress on Risks and civil security, invited by the Charles Darwin Foundation, Galapagos at the international Workshop on sustainable development of islands facing Tourism; invited by Tioumen State University, Siberia, Russia, 2010 for an International Workshop on sustainable development; Agadir and Fès, Marocco, from 2008 annually for Conferences and Master courses and student field tour; Cuba, Uni.

Jost has also researched and written on other aspects of geography and ecology of the Pacific Ocean, and has worked, studied, and traveled extensively in Africa and Asia.