Arctic Council Working Group Fish (Freshwater)
- Ecosystem: Freshwater
- Habitat: Lakes Rivers
- Species group: Fish
- Publications: Arctic Freshwater Biodiversity Monitoring Plan
Jose A. Sencianes
| FECs Group | Parameter | Attributes | Priority | Extreme Events | Scale | Complexity | Recurrance | Method | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Fish (Freshwater) | Abundance and density of assemblage and of individual taxa Diversity (alpha, beta, gamma) Biomass and numbers of keystone taxa Tolerance indices and ecological traits Numbers of red-listed (threatened) and rare taxa Distribution and range (e.g., latitudinal and altitudinal, residency/anadromy) | ||||||||
| Fish (Freshwater) | Genetic diversity | ||||||||
| Fish (Freshwater) | Size structure of entire population or of keystone taxon Fish health (condition and liver-somatic index) Fecundity (e.g., gonadal-somatic index) | ||||||||
| Fish (Freshwater) | Age structure of entire population or of a keystone taxon; growth rates (size at age or age at length and age at maturity (age combined with biomass) | ||||||||
| Fish (Freshwater) | Migratory phenology (e.g., anadromous fish) Reproductive timing (e.g., reproductive development rate, reproductive periodicity) | ||||||||
| Fish (Freshwater) | Concentrations of contaminants in fish tissues above consumption guidelines or above environmental thresholds for sub-lethal or lethal effects | ||||||||
| Fish (Freshwater) | Identification of lakes as fishless or with fish |