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Fig. 3


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Levels of photosynthetic pigments, (a) chlorophyll a (Chl a), (b) chlorophyll b (Chl b), and (c) carotenoids (Car), in Myriophyllum spicatum and Ceratophyllum demersum after exposure to different salinity levels (0, 1.5, 2.5, 5, and 10 ppt) for five days. Results are expressed as micrograms per gram of fresh weight (μg/g FW). Error bars represent the standard deviation.

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