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701-0034-15L 1.5 Credits BSC D-USYS
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Integrated practical aquatic ecology

Integriertes Praktikum Aquatische Ökologie

Lecturers & Examiners: Dr. Peter Bossard, Dr. Katja Johanna Räsänen
VVZ CR n/a

Last Updated: 2026-02-05 15:18:27

Abstract

Block 1: Practical studies on broad scientific questions in aquatic ecology using aquatic plants and invertebrates.Block 2: ----

Objective

Block 1: The first goal is to learn how broad scientific questions of aquatic ecology are addressed in practice. Students are expected to work independently and get an overview of the key hypotheses and methods that are relevant for each theme. The second goal is to strengthen the knowledge of local aquatic ecosystems, especially the knowledge of native aquatic plants and invertebrates.

Content

Block 1, organized by K. Räsänen. Purpose of this course is to give an overview of conceptual aquatic ecology, with emphasis on question driven hypothesis testing. The work will be conducted in modules which have special themes. Each module is an entity covering a theme with a scientific question and specific methods. Each module consists of an introductory lecture and practical work in small groups (in Eawag, Dübendorf). Purpose is to focus on organismal ecology. Key methods in the course will be lab experiments coupled with field work. Modules: 11.4. (full day) Environmental change and stress ; 18.4. (full day) and 23.4. (afternoon) Environmental variation and phenotypic plasticity; 25.4. (full day) and 30.4. (afternoon) Population ecology and species interactions; 2.5. (full day) Ecosystem ecology and ecosystem services Block 2, organized by P. Bossard. Einführung in Grundlagen der Produktionsbiologie am Beispiel des Seen-Planktons (Phytoplankton ). Assimilation: Messung der 14C-Assimilation des Phytoplanktons in situ und in vitro. Dissimilation: Respirationsmessungen (mit O2 Elektroden in vitro und mit Winklermethode in situ.) Analysen von Begleitparametern, wie Chlorophyll a, Alkalinität, Licht (PAR) und Temperatur in situ. Erfassung der vertikalen Lichtverteilung im Seewasser. Datenerhebungen mit verschiedenen Instrumenten und Techniken, sowie Datenvergleiche. Auswertung von Daten mit einfachen Berechnungsmodellen.

General Information

Language
German
Levels
BSC
Frequency
Yearly recurring

Examination

Type
ungraded semester performance

Course Components

Type Title Time & Place Hours
practical/laboratory course Integriertes Praktikum Aquatische Ökologie
Kurs von 3 Wochen gemäss Programmzeiten, an der EAWAG, zwischen der 4. - 12. Semesterwoche
  • 12.06 Date 13:15-17:00 (CHN F 42)
  • 13.06 Date 08:15-13:00 (CHN F 42)
  • 13.06 Date 13:15-17:00 (LFW D 11)
3 h weekly

Offered In