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Ecosystem Organization of a Complex Landscape: Long-Term by Prof. Dr. Otto Fränzle, Prof. Dr. Ludger Kappen, Prof. Dr.

By Prof. Dr. Otto Fränzle, Prof. Dr. Ludger Kappen, Prof. Dr. Hans-Peter Blume (auth.), Prof. Dr. Otto Fränzle, Prof. Dr. Ludger Kappen, Prof. Dr. Hans-Peter Blume, Prof. Dr. Klaus Dierssen (eds.)

This ebook provides the most important findings of a 12-year ecological examine of the Bornhöved Lake District, positioned a few 30 km south of Kiel. traditionally talking, the current learn scheme, like similar long term surroundings reviews at Göttingen, Bayreuth, München, and Berchtesgaden, has been conceived because the middle of a entire ecological surveillance process for Germany (Ellenberg et al. 1978). Comprising 3 interrelated parts, specifically an ecological tracking community, comparative surroundings examine, and an environmental specimen financial institution, the program is meant to advertise either ecological technological know-how and making plans and coverage. during this connection the geo- and bioscientifically established atmosphere examine goals at knowing the constitution and capabilities of platforms, the typical equilibrium and rigidity tolerance of singular elements and the full procedure opposed to adjustments and disturbances from inside of and from outdoor, and the relationships among range, productiveness, and balance. therefore, surroundings examine kinds the critical foundation for the rational research of the excellent info units made to be had by way of ecological tracking networks and for the sufficient number of plant, animal, and soil specimens for environmental specimen banking purposes.

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1994). The influence of temperature increase on soil respiration and organic carbon content of arable soils was modelled by means of a hierarchical respiration model which was calibrated by laboratory measurements of the basal respiration of litter and humic substances of the forest soils and both the readily biodegradable and recalcitrant organic matter of the crop fields (DE; Kutsch and Kappen 1997). Coupling of nitrogen and base balance approaches yielded proton balances of soil solutions, while material balances for lotic and lentic ecotones were established by means of a wetland nitrogen model (Schleuß et al.

4 by their morphological, physical and chemical properties. 2 Groundwater The topographic catchment areas of the Bornhöved Lake District as shown on hydrological maps are only roughly suitable for water balance purposes since they normally differ from the subterranean catchments considerably as a consequence of the complicated hydrogeological situation. With the groundwater flow model MODFLOW (Guiguer and Franz 1997) and TWODAN (Fitts 1995), the subterraneous catchment areas as shown in Fig. 3 can be defined (Ruhmohr 1996; Kluge and Jelinek 1999).

For instance, the water balance of the wetland sites and the lateral water exchange processes at different depths between the slopes around Lake Belau and the limnetic water body were calculated by means of the novel riparian wetland model FEUWAnet. 2 Soil Surveys and Analyses The soils of the study area were analysed and examined in the laboratory with regard to their morphology, genesis, classification and ecological site specifications and in respect of the availability of nutrients and water.

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