Table 3 Trophic classification criteria for lakes and reservoirs in China

From: Resolving inherent constraints in eutrophication monitoring of small lakes using multi-source satellites and machine learning

Oligotrophic

Mesotrophic

Light Eutrophic

Moderate Eutrophic

Hypereutrophic

TLI < 30

30 ≤ TLI ≤ 50

50 ≤ TLI ≤ 60

60 ≤ TLI ≤ 70

TLI > 70

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