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Objective of the Transregional Collaborative Research Centre (CRC/TR) 38 was the study of structures and processes of the initial ecosystem development. It was assumed that the initial phase is characterized by less structured and therefore less heterogeneous ecosystems. Thus, analysis of young ecosystems in their initial stages should provide better insights into ecosystem functioning. Following this basic concept, the idea of the CRC/TR 38 was to analyze the establishment of new structures and processes which lead to a growing structuring and in consequence to a growing complexity and heterogeneity in an artificially created watershed. Further, with the help of this step-by-step development of the ecosystem it was aimed to learn from occurring feedbacks, which appear between old and newly emerging structures and patterns in order to better understand also the behavior of more mature systems. Special emphasis was placed on the spatial and temporal dynamics of both evolving structures and related processes and their interactions. In summary, the CRC/TR 38 was able to identify a number of structures and processes that are considered to be relevant and specific for young systems.
This volume summarizes the monitoring activities and results at the ‘Chicken Creek’ catchment for the period 2005 to 2010. The development in all ecosystem compartments is assessed, classified, and compared to more mature systems with regard to functional relevance and succession stage. In a final synopsis, the whole catchment is evaluated with regard to ecosystem development and an outlook is given on the expected trends both in the short and the medium term.
This report introduces the monitoring installations of the artificial catchment 'Chicken Creek' and summarizes results of the measurement in the period 2005-2008, covering various aspects and compartments from meteorology and hydrology, soil and soil solution chemistry, vegetation and soil fauna to limnology and surface patternsfor the period 2005 to 2008. This volume is the beginning of a series with results of the ongoing Chicken Creek monitoring program.