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Sự suy giảm toàn cầu hiện nay và mất đa dạng sinh học (đa dạng sinh học) là một vấn đề chính sách công lớn, với một số công ước quốc tế tập trung đặc biệt về đa dạng sinh học, ví dụ như Công ước về Đa dạng sinh học (CBD), Convetztion otz Thương mại quốc tế IT1 nguy cơ tuyệt chủng các loài hoang dã ~ iurza và Flora (CITES), Cotzventiorz về các loài di cư (Công ước Bonn) và ~ Nguyên jar Cotzventiorz trên Wet1 ~ lrld.s (xem Tài liệu tham khảo ). Bên ký kết các. | 8 Biodiversity mapping and modelling J.R. Busby 8.1 CONTEXT The current global decline and loss of biological diversity biodiversity is now a major public-policy issue with a number of international conventions focussing specifically on biodiversity e.g. The Convention on Biological Diversity CBD Convention on International Trade in Endangered Species of Wild Fauna and Flora CITES Convention on Migratory Species Bonn Convention and The Ramsar Convention on Wetlands see References . Contracting Parties to these conventions generally nation states are obligated to report on the status of and trends in biodiversity within their respective jurisdictions. Increasingly countries are also recognizing that biodiversity issues are not contained within national borders so regional initiatives are also under way such as the Agreement on the Conservation of Bats in Europe EUROBATS 1991 . Some 33 international agreements related to the conservation of biological diversity are currently listed in the Environmental Treaties and Resource Indicators ENTRI system CIESIN 1998 . Biodiversity mapping and modelling is becoming increasingly important to the successful implementation of these initiatives not only to the governments and intergovernmental agencies and programmes directly involved but also at local levels including individuals and community groups as well as indigenous peoples. Agencies and individuals involved in the assessment and management of living resources at all geographic scales need the insights provided by scientific research on the nature and distribution of biodiversity. This chapter focuses on the mobilization of spatial data as well as the use of tools and techniques to generate information from these spatial data that informs various stakeholder groups on the many dimensions of biodiversity. 8.2 DEFINITIONS Article 2 of the Convention on Biological Diversity specifies the following Use of Terms for the purposes of the Convention Biological diversity means the
