Geophysical Approach to Marine Coastal Ecology

This book presents recent results of collaborative studies in geophysics and ecology, focusing on the relationship between the physical environment and the distribution of the marine coastal ecosystems. The study area, the Sakiyamawan–Amitoriwan nature conservation area in Iriomote Island of Japan, is the only oceanic nature conservation area in the country. The area has no access roads, and the bay perimeter is uninhabited; therefore, it preserves the natural environment with very little human impact. In addition, it has various environmental gradients such as topography and inflows from rivers with mangrove forests which affect the distribution of marine coastal ecosystems such as those containing reef-building corals, sea grasses, and hermit crabs. For these reasons, the area is one of the best places for the study of the relationship between the physical environment and the distribution of the marine coastal ecosystems, a relationship that is important for their conservation buthas not been investigated fully. This book is aimed at students and researchers in the fields of oceanography and marine coastal ecology as well as general readers who are interested in coral reefs, diving, and nature conservation.

• Physical environment
• Marine coastal ecosystem
• Iriomote Island of Japan
• Nature conservation area
• Corals, sea grasses, and hermit crabs
• Coastal environment
• physical marine environment
• conservation of subtropical coastal ecosystems
• management of subtropical coastal ecosystems
• subtropical coastal ecosystem
• coastal sciences

• Storm, Flood and Landslide Research Division, National Research Institute for Earth Science and Disaster Resilience, Tsukuba, Japan

  Shinya Shimokawa, Tomokazu Murakami

• Okinawa Regional Research Center, Tokai University, Yaeyama, Japan

  Hiroyoshi Kohno

Shinya Shimokawa is a senior principal researcher in the Storm, Flood and Landslide Research Division, National Research Institute for Earth Science and Disaster Resilience, in Tsukuba, Japan. He graduated from Nagoya University in 1989 and obtained his Ph.D. from The University of Tokyo in 2002. He had worked at Shimadzu Corporation until 1994 and then moved to his present institute. He was a visiting scientist at the Institute for Atmosphere and Climate Science, Swiss Federal Institute of Technology in 1998 and 1999. His research interests include nonlinear and non-equilibrium phenomena in ocean and climate systems, typhoon coastal disaster and its prediction, the relationship between the marine coastal ecosystem and the physical environment, and natural disaster education for the general public. He is currently also a professor in the Graduate School of Life and Environmental Sciences (Cooperative Graduate School Program), Tsukuba University.

Tomokazu Murakami is a senior researcher in the Storm, Flood and Landslide Research DivisionNational Research Institute for Earth Science and Disaster Resilience in Tsukuba, Japan. He graduated and was awarded a Ph.D. from Gifu University in 2005. He had worked at Nagoya University, Gifu University, and Toyohashi University of Technology until 2009 and then moved to his present institute. His research interests encompass numerical simulation of storm surge and modeling of the marine coastal ecosystem. He is currently also an associate professor in Iwate University.

Hiroyoshi Kohno is a professor at the Okinawa Regional Research Center, Tokai University, in Iriomote Island, Japan. He graduated from Tokai University in 1976 and has worked at his present institute since then. His fields of specialization are marine ecology and conservation ornithology. He has been involved in studies on conservation of sea birds’ breeding areas and population dynamics and the ecology of sea birds from a long-term perspective. In addition, he is interested in various marine coastal ecosystems in Iriomote Island such as corals, sea grasses, fishes, sea turtles, and crustaceans. He is also currently a manager of the Japan Seabird Group.

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