. Biodiversity and Poverty Reduction; The importance of biodiversity for ecosystem services. 94 95 96 97 9 39 00 01 02 03 04 05 06 07 Year Figure 3. Emerging research on biodiversity and ecosystem services. Results represent number of publications between 1991 and 2007 that included either 'ecosystem services', or 'biodiversity' and 'ecosystem services' in their titles and abstracts. It's only for just over a decade that scientific research has focussed explicitly on the links between biodiversity and ecosystem services. Figure constructed with data from the BIOSIS literature database. l^dunda
. Biodiversity and Poverty Reduction; The importance of biodiversity for ecosystem services. 94 95 96 97 9 39 00 01 02 03 04 05 06 07 Year Figure 3. Emerging research on biodiversity and ecosystem services. Results represent number of publications between 1991 and 2007 that included either 'ecosystem services', or 'biodiversity' and 'ecosystem services' in their titles and abstracts. It's only for just over a decade that scientific research has focussed explicitly on the links between biodiversity and ecosystem services. Figure constructed with data from the BIOSIS literature database. l^dundancv' linear Br- ? 1^. Figure 4. Examples of theoretical hypothesis describing the relationship between ecosystem processes, and changes in biodiversity from the natural level. Although none of these hypotheses are thought to accurately describe the true relationship between the amount of biodiversity and the functioning of ecosystems, they nonetheless describe the general concepts. In cases where there is no biodiversity, there are no ecosystem processes and functions. At a natural level of biodiversity, the processes and functions are largely predictable. However, the consequences of declining (or increasing) biodiversity from such natural levels is not well understood for most systems, in large part due to a lack of empirical and theoretical information, and due to the widely varying individual of ecosystems, and their components. Source: Loreau M, Naeem S, Inchausti P, 2002. Biodiversity and Ecosystem Functioning: Synthesis and Perspectives. Oxford University Press Biodivt-rsity. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ash, N. Jenkins, M. , UNEP-WCMC. UNEP-WCMC
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