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Table 1 Maximum, minimum, and optimum pH values for microorganisms

From: Chemical indicators for pollution detection in terrestrial and aquatic ecosystems

Microorganism

Range

Optim.

Reference

Bacteria

5–9

7

Rosso et al. 1995

Actinomyc.

6.5–9.5

8

Fungi

2–7

5

Blue-green bacteria

6–9

> 7

Protozoa

5–8

> 7