Hotwater physa (Physella wrighti) COSEWIC assessment and upate status report: chapter 15

Appendix A: Calculation of Extent of Occurrence and Area of Occupancy for Physella wrighti – August 2006

Extent of Occurrence (EO) – taken and enlarged from Figure 3

Area of Occupancy (AO)
Area of Occupancy (AO)
Survey Site AO
Salter (2001) Lower Alpha Pool 1.4 m²
2006 Beta Pool 0.2 m²
2006 Alpha Stream 3.0 m²
Total AO   4.6 m²

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