812356 Fish ecological status assessment (in Eng.)

Art
Vorlesung und Übung
Semesterstunden
2
Vortragende/r (Mitwirkende/r)
Organisation
Angeboten im Semester
Wintersemester 2023/24
Unterrichts-/ Lehrsprachen
Englisch
Lehrinhalt

Lectures: Status assessment tools (FIA, EFI+) and metrices; Reference coenosis (Leitbild) definition and adaptation; considerations for data input and validation; guidelines for data analysis (metrix calculation, status assessment); Examples of status assessment in different ecoregions
Exercises: Data input from field exercises; Data validation; Data overview, basic tables and charts, descriptive statistics; Calculation of assessment metrices (quantitative stock data based on habitat availability) pt.1 serial removal method; Calculation of assessment metrices (quantitative stock data based on habitat availability) pt.2 strip fishing method; Interpretation and assessment of population structures; Status assessment (multimetric matrix) and discussion; report writing for status assessment
Lehrziel

· Assess the quality of fish stocks and explain possible deficits;
· Integrate fish stock assessment into the ecological status assessment frameworks;
· Compose a technical report for fish-based, river-type-specific assessment of ecological integrity.
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