October 26, 2026
Compare Madeira, Jeju, the Galápagos, Madagascar, and Surtsey through their geological origins and ecological histories. From Surtsey’s emergence in 1963 to Madagascar’s long isolation, each island offers a distinct example of how landforms shape life.
October 10, 2026
Island biogeography explains how island area and distance from source populations influence colonization, extinction, and the number of species an island can support. The 1967 equilibrium model by Robert MacArthur and E. O. Wilson offers a useful framework, while real cases such as post-eruption Krakatau show how recolonization unfolds over time.
September 22, 2026
A concise, evidence-driven overview of the main geological pathways that create islands, from plate tectonics and hotspot volcanism to reef-based atoll formation and sedimentary accretion. Real-world examples anchor the processes in time and space for advanced learners.