ENP-35806 Environmental Quality And Governance (ENP35806)
Institution
Wageningen University (WUR)
This document contains all Lectures, including my notes, Tutorial Questions and answers, and some discussion Questions. IT includes a table of content so you can easily find the different Lectures and the related concepts. For a short version of this, see my summary (7 pages long) which only inlcud...
Lecture 5 – Basic principles of eel ecology, ecophysiology and connectivity between river basins and seas... 28
1. General life-cycle of a fish ........................................................................................................................ 28
2. The Sargasso Sea...................................................................................................................................... 29
3. Threats during an eel’s life ....................................................................................................................... 31
3.1 Eel probably uses currents for migration ............................................................................................. 32
3.2 Glass eel are eaten............................................................................................................................... 32
3.3 Glass eel smell symbiotic bacteria of seagrass and other macrophytes .............................................. 32
3.4 Barriers in rivers and sea arms ............................................................................................................ 32
3.5 Toxic compounds ................................................................................................................................. 33
3.6 Natural fresh water eel predators ....................................................................................................... 34
3.7 Eels fishing since ancient times ............................................................................................................ 34
3.8 Hydropower turbines in rivers ............................................................................................................. 34
3.9 Natural migrating eel predators .......................................................................................................... 35
3.10 Swim bladder parasites and viruses .................................................................................................... 35
Lecture 6.1 - Principles of (eco) toxicology and environmental quality ........................................................... 36
1. Persistent organic pollutants POPs .......................................................................................................... 37
2. Characteristic toxic signs of dioxin-like compounds ................................................................................. 39
3. Need to check in the environment ........................................................................................................... 41
Lecture 6.2 - Environmental and food toxicology and sediment contamination ............................................. 44
1. Calculation ............................................................................................................................................... 44
2. Calculation of TEQs (TCDD-equivalents) .................................................................................................. 47
3. When compounds get into organisms ..................................................................................................... 49
Tutorial 2 – Eel and Toxicology ....................................................................................................................... 52
Discussion on eel and toxicology .................................................................................................................... 54
Lecture 7 – Understanding complexity, uncertainty and ambiguity ................................................................ 55
1. Certainty vs Uncertainty........................................................................................................................... 55
2. Types of uncertainty (uncertainty about the why?) ................................................................................. 55
3. Object of uncertainty ............................................................................................................................... 55
3.1 Substantive Uncertainty ...................................................................................................................... 56
3.2 Strategic uncertainty ........................................................................................................................... 57
3.3 Institutional uncertainty ...................................................................................................................... 58
4. Meta intervention strategies ................................................................................................................... 59
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