River continuum concept and measurement sunday 15 september

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River continuum concept and measurement sunday 15 september

  1. 1. IP PROJECT: RIVER DELTA SYSTEM ANALYSIS AND MANAGEMENT IN PRACTICE JOUKE HERINGA
  2. 2. PROGRAM INTRODUCTION PROGRAM SUNDAY 15 SEPTEMBER 2 • Practical announcement • River Continuüm Concept • Measurement plan • Group formation
  3. 3. STREAM ORDER
  4. 4. RIVER CONTINUUM concept • POM = Particulair Organic Material • CPOM = coarse POM • FPOM = fine POM
  5. 5. FEED STRATEGIES INTRODUCTION PROGRAM SUNDAY 15 SEPTEMBER 2 Shredders : feeding on gross organic material Grazers: scraping algae from stones and branches and filtrating water (zooplankton) Collectors: feeding on dead organic material Predators
  6. 6. RIVER CONTINUUM INTRODUCTION PROGRAM SUNDAY 15 SEPTEMBER 2 Upper Course: • Low production (shadow) • Much coarse organic material (leafs) • Shredders Lower Course: • Deeper water • More silt • More filtrators
  7. 7. MEASUREMENT PLAN • System Analysis: Description of how the Guadelete water system works and what the problems are • Measurements help you to get to know the system better • However … you first have to know what you want to know • Subquestions are important • Integration is important

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