Element Fluxes in Atmosphere, Vegetation and Soil
The juxtaposition of element sources and sinks in a landscape is clearly the major determinant of overall element fluxes. Connections between landscape components can be complex and counter-intuitive; for example, groundwater flow can bypass riparian zones, as the following Chapters will show. Therefore, quantitative landscape- scale evaluations of element fluxes are difficult. They require models capable of depicting internal and input/output element dynamics in diverse ecosystems, as well as landscape-scale hydrologic processes (Chapter 10). These requirements are a challenge to modellers who have to balance the need for detail in their models with the need to be comprehensive; this involves linking simulation models of flux rates with geographic information systems to carry out landscape-scale assessments. As Chapters 9–11 may show, this combination of various approaches to quantitatively define element fluxes through interrelated terrestrial and aquatic ecosystems of the study area on a hierarchy of temporal and spatial scales provides reciprocally new and deeper insights into structure and function of ecosystem complexes.
KeywordsBeech Forest Bulk Deposition Beech Stand Element Flux Dead Organic Matter
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