Research Article
Modeling Aquatic Macroinvertebrate Richness Using Landscape Attributes
Table 1
Habitat classification criteria.
| | Stream gradient | Categories | High | Low | | Criteria | >1.5/1000 slope | ≤1.5/1000 slope |
| | Riparian forest cover | Categories | Closed | Open | | Criteria | >50% forest cover in 30 m buffer | ≤50% forest cover in 30 m buffer or >3000 km2 drainage area |
| | Water quality | Categories | Suitable for life support | Biologically stressed | | Criteria | Stream segment is above EPA criteria thresholds for all three pollutants | Stream segment is below EPA criteria threshold for any of the three pollutants |
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