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Class Notes - Applied Ecology (NWI-BB036B)
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Summary of all classes needed to pass the exam for Applied Ecology
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Applied Ecology: Lecture notes (2021/2022)Faculty of Science, Radboud University
NWI-BB036B: Applied Ecology
dr. S. Kosten
Second semester 2021/2022
,Contents
Introduction to Biogeochemistry (Lecture 1).........................................................................................3
Air pollution, acidification, eutrophication, and critical loads (Lecture 2).............................................7
Climate change and nature management (Lecture 3)...........................................................................9
Ecological feedbacks in the climate system (Lecture 4).......................................................................10
Peatland and heathland restoration (Lecture 5)..................................................................................11
Peatlands: Rich fens.............................................................................................................................14
Management of aquatic systems (Lecture 6).......................................................................................15
Lake management – Biomanipulation and Geo-engineering (Lecture 7).............................................17
Coastal management (Lecture 8).........................................................................................................18
Biological water quality assessment (Lecture 9)..................................................................................19
Management of drylands (Lecture 10)................................................................................................21
, Introduction to Biogeochemistry (Lecture 1)
Redox Ladder: (Oxidation is losing é – Reduction is gaining é)
Oxygen --> Nitrate (denitrification) --> Manganese --> Iron (iron reduction) --> Sulfate (sulfur
reduction) --> Carbon dioxide (methanogenesis)
Regulation of decomposition / mineralization:
Temperature
Nutrient concentration
Concentration and degradability of organic compound
Phenolic compounds
Alkalinity (Acid neutralizing capability)
Salinity
Electron acceptor availability
Table-Oxidation States
Element Species Formula
Sulfur Hydrogen sulfide H2S
Elemental sulfur S
Sulfide S2-
Sulfur dioxide SO2
Sulfate ion SO42-
Sulfuric acid H2SO4
Carbon Methane CH4
Nitrogen Ammonia NH3
Ammonium NH4+
Nitrogen gas N2
Nitric oxide NO
Nitrite ion NO2-
Nitrogen dioxide NO2
Nitrate ion NO3-
Nitric Acid HNO3
Aerobic vs. Anaerobic oxidation:
Aerobic reaction: NH4+ + 2O2 NO3- + 2H+ + H2O
In aerobic reactions H+ is produced! This lowers the pH
In anaerobic reactions H+ is consumed! This raises the pH
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