Conservation priorities under global change :

مرکز و کتابخانه مطالعات اسلامی به زبان های اروپایی

منو

" Conservation priorities under global change : "
Lee, Tien Ming

Document Type	:	Latin Dissertation
Language of Document	:	English
Record Number	:	898794
Doc. No	:	TL4151d3nj
Main Entry	:	Leimbacher, Irina Zora
Title & Author	:	Conservation priorities under global change :\ Lee, Tien Ming
Date	:	2011
student score	:	2011
Abstract	:	One of the most significant biodiversity threats is the combined effect of human driven land-use change and climate change. Understanding its consequences will be crucial for the protection of threatened biodiversity and maintenance of ecosystem services. This dissertation develops three main research areas to help meet this goal. In Chapter 1, I quantify the exposure of the global reserve network to projected global change and relate these threats to the conservation value and capacity of biogeographical and geopolitical regions. Shifts in future conservation battlegrounds reveal the need to consider future impacts during conservation planning. New reserves in target regions and a ǹorth-south' transfer of conservation resources are required to maximize biodiversity conservation while mitigating climate change. In Chapter 2, I assess the extent of projected environmental conditions and explicitly identify global shortfalls in protection. By 2100, the emergence of novel climatic conditions coupled with increasingly encroached and isolated reserves in select biogeographic regions poses serious landscape connectivity issues that may hamper species dispersal. In Chapter 3, I provide a pan- tropical assessment of the extent and pathways of reserve encroachment. I find an important interaction between conservation costs and effectiveness, implying that addressing social mechanisms of local-scale encroachment may be a viable strategy. I demonstrate the significance of remote sensing for reserve monitoring and for understanding the complex interplay among encroachment pressures. In Chapter 4, I evaluate core causes of global extinction risk in birds worldwide. I emphasize the need to consider the inter-relationships among the factors that structure extinction risk across species and space. I show that an integrative model combining intrinsic and extrinsic correlates allows successful prediction of geographic patterns of threat at the assemblage level. In Chapter 5, I examine the trends of conservation research themes and keywords. I find that research trends fluctuate and the structures of research keyword co-occurrences are dynamic over the last two decades, which may be affected by influential scientific reports and papers. I show that this method is useful in tracking evolving research fronts and gaps. Overall, my results outline opportunities for making biodiversity conservation more effective under global change
Added Entry	:	Lee, Tien Ming
Added Entry	:	UC San Diego