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Oceanic islands offer biologists unparalleled opportunities to study evolutionary processes and ecological phenomena. However, human activity threatens to alter or destroy many of these fragile ecosystems, with recent estimates suggesting that nearly half of the world's insular endemics are threatened with extinction. Bringing together researchers from around the world, this book illustrates how modern research methods and new concepts have challenged accepted theories and changed our understanding of island flora. Particular attention is given to the impact of molecular studies and the insights that they provide into topics such as colonisation, radiation, diversification and hybridisation. Examples are drawn from around the world, including the Hawaiian archipelago, Galapagos Islands, Madagascar and the Macronesian region. Conservation issues are also highlighted, with coverage of alien species and the role of ex situ conservation providing valuable information that will aid the formulation of management strategies and genetic rescue programmes.

Island plants. --- Insular plants --- Island flora --- Plants

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This thorough and meticulous study, the result of nearly a quarter-century of research, examines the island biogeography of plants on continental islands in Barkley Sound, British Columbia. Invaluable both because of its geographical setting and because of the duration of the study, Plants on Islands summarizes the diversity, dynamics, and distribution of the approximately three hundred species of plants on more than two hundred islands. Martin Cody uses his extensive data set to test various aspects of island biogeographic theory. His thoughtful analysis, constrained by taxon and region, elucidates and enhances the understanding of the biogeographic patterns and dynamics. He provides an overview of the basic theory, concepts, and analytical tools of island biogeography. Also discussed are island relaxation to lower equilibrium species numbers post-isolation, plant distributions variously limited by island area, isolation and climatic differences, adaptation to local abiotic and biotic environments within islands, and the evolution of different island phenotypes. The book concludes with a valuable consideration of equilibrium concepts and of the interplay of coexistence and competition. Certain to challenge, Plants on Islands is among the first books to critically analyze the central tenets of the theory of island biogeography.

Island plants - British Columbia - Barkley Sound Region. --- Botany --- Earth & Environmental Sciences --- Plant Geography --- Island plants --- Plant communities --- Vegetation dynamics --- Phytogeography --- Plant ecology --- Plants --- Botanical geography --- Geobotany --- Geographical distribution of plants --- Plant distribution --- Plant geography --- Plant species --- Dynamics of vegetation --- Communities, Plant --- Phytosociology --- Plant associations --- Plant societies --- Insular plants --- Island flora --- Ecology --- Geographical distribution --- Biogeography --- Disjunct plants --- Acclimatization (Plants) --- Vegetation and climate --- Biotic communities --- Phytoecology --- Vegetation ecology --- Floristic ecology --- barkley sound. --- british columbia. --- evolution of different island phenotypes. --- island biogeographic theory. --- isolation and climatic differences. --- meticulous. --- more than two hundred islands. --- plant distributions. --- plants on continental islands. --- study of biogeography of island plants. --- thorough. --- three hundred species of plants.