Table 2. Variables used to explain fish species richness in streams.
Hypothesis | Variables included in the model |
---|---|
Energy | AETJan + AETJune |
Water-Energy | AETJan + AETJune + ARV |
Terrestrial Productivity | PP |
Temporal Heterogeneity | TempVar + ARV |
Area | FAC |
Neutral | Spatial filters |
ETJan: January evapotranspiration; ETJune: June evapotranspiration; PP: primary productivity; TempVar: annual temperature variation; AveRF: annual average rainfall; ARV: annual rainfall variation; and FAC: flow accumulation