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TZUNTIL:20181028T010000Z
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DTSTART:20161030T030000
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DTSTAMP:20260405T203824Z
DESCRIPTION:Self-organised vegetation patterns are a characteristics of sem
 i-arid and arid ecosystems.  Their landscape ecological function has been 
 studied for decades and a soil-vegetation feedback has been identified to 
 cause the formation of banded patterns. Vegetation and its associated soil
  biological activity causes soil properties to increase its storage capaci
 ty for water and nutrients leading to water harvesting by runoff and run-o
 n in response to rainfall events. This has led ecologist to formulate the 
 trigger-transfer-pulse framework\, which describes resources redistributio
 n and utilisation as discrete events\, which depend on the frequency and m
 agnitude of rainfall as the trigger. While water is a limited resource in 
 this context\, it is also a geomorphic agent which causes erosion and sedi
 ment redistribution. Stability of such landscapes and ecosystems depends t
 herefore on both vegetation distribution and soil surface properties that 
 contribute to the redistribution of water in the landscape preventing freq
 uent and excessive erosion events. Within this context I will present our 
 findings on modelling and observing vegetation patterns and the developmen
 t of rock amour on soil surfaces within the context of Australian arid reg
 ions in which mining has led to severely disturbed landscapes. One key que
 stion concerning the modelling of vegetation pattern is how much process r
 ealism is necessary to adequately reproduce the pattern as well as the wat
 er balance dynamics\, as water redistribution and plant growth occur at di
 fferent temporal scales.\n \n*** invited by Stefan Peiffer\, Hydrology
DTSTART;TZID=Europe/Berlin:20161124T120000
DTEND;TZID=Europe/Berlin:20161124T133000
LOCATION:H6\, GEO
SUMMARY:Prof. Dr. Christoph Hinz\, Brandenburg University of Technology Cot
 tbus-Senftenberg (Homepage): Pattern formation in semiarid landscapes
TRANSP:TRANSPARENT
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