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Table 1

Morphometric features of Carajás lakes according to the water frame work directive (WFD, Buraschi et al., 2005).

Lakes Altitude (m) Classification Mean depth (m) Classification Surface area (km2) Classification
Vl 723.3 Mid-altitude 7.42 Shallow 0.273 Very small
Am 700.5 Mid-altitude 5.2 Shallow 0.126 Very small
TI1 706 Mid-altitude 2.11 Very shallow 0.075 Very small
TI2 698 Mid-altitude 1.2 Very shallow 0.116 Very small
TI3 695.3 Mid-altitude 7.02 Shallow 0.252 Very small

Morphometric features (Buraschi et al., 2005):

Altitude: high: >800 m; mid-altitude: 200–800 m; lowland: <200 m.

Depth (mean depth): very shallow: <3 m; shallow: 3–15 m; deep: >15 m.

Size (surface area): very small: 0–1 km2; small: 1–10 km2; very large: >100 km2.

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