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Approaching the contributions of a world-wide sector of scientific institutions to addressing the extinction crisis, Botanical Gardens and Their Role in Plant Conservation brings together a diversity of perspectives. There are more than 3,600 botanical gardens worldwide, where trees, shrubs, herbs, and other plants are studied and managed in collections. They are foremost among efforts to conserve the diversity of living plant species and ensure that crucial biodiversity is available for the future of humanity. This book is a showcase for plant conservation, restoration, biodiversity, and related scientific and educational work of botanical gardens around the world, featuring both thematic overview chapters and numerous case studies that illustrate the critical role these institutions play in fighting extinction and ensuring plant diversity is available for sustainable use. FEATURES A wide range of case studies derived from practical experience in a diversity of institutional, national, and biogeographical settings, Reviews of topics such as networking amongst institutions, the importance of global policy agreements such as the Convention on Biological Diversity and the Global Strategy for Plant Conservation, Profiles of botanical gardens contributions at the national level to conservation priorities, Real-world examples of programs in plant conservation for both critically endangered wild plant diversity and unique horticultural or cultural germplasm. Botanical Gardens and Their Role in Plant Conservation includes contributions from institutions from Africa, Asia, Australia, Europe, and the Americas, and institutions of all sizes and histories, from long-established national gardens to new gardens offering their perspectives on developing their roles in this vital undertaking.
Over the past several decades, the U.S. cityscape has changed radically. Large areas have been cleared of natural vegetation to accommodate new development. The “urban forest,” which consists of all city trees, natural and planted, has been severely and negatively impacted. A 2003 study indicates that we are losing through clearing and grading four trees for every one planted. This is a wake-up call for greatly increased planting in the urban forest and the need to popularize small trees (defined as trees that grow up to thirty feet high) for diminished city spaces. Small Trees for the Tropical Landscape describes and illustrates 129 species and subspecies and 48 named varieties, cultivars, and forms plus 23 hybrids appropriate for the home garden and confined public landscape spaces. The authors have also included a section on “Tailored Small Trees,” large shrubs that are readily transformed into small trees through intelligent, selective pruning. They identify and describe 67 species and subspecies; 40 named varieties, cultivars, and forms; and 21 hybrids that are appropriate for this conversion. Several appendices will assist the gardener with tree selection for specific purposes (screens and windbreaks, coastal gardens, edible fruit, and colorful flowers and foliage). Species that may cause skin irritation or that are poisonous are identified in the text as are those trees with the ability to fix nitrogen. The authors also warn against planting a number of species known to be invasive in Hawai‘i and advise caution when planting others that have the potential to escape cultivation and become weeds.
This book includes the proceedings of the second symposium on one important role of botanic gardens in conserving world plant resources. Sessions covered topics such as implementing the botanic gardens conservation strategy, regional networks and national programs in the tropics, and germplasm banks in botanic gardens.
Collection of publications of plants in Hawaii.