Fish (Freshwater)

Arctic char
Arctic char
Jose Ortega
Download this table as CSV
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

Experts