FEEDING ECOLOGY OF STREAM-DWELLING CHARACIDAE (OSTEICHTHYES: CHARACIFORMES) FROM THE UPPER TOCANTINS RIVER, BRAZIL

Feeding ecology of stream-dwelling Characidae (Osteichthyes: Characiformes) from the upper Tocantins River, Brazil

In this contribution we studied the trophic ecology of four Characidae species from the Cavalo Stream, upper Tocantins River, considering diet overlap and trophic niche breadth.The diet of the four species was composed of adult and immature insects, both autochthonous and allochthonous in origin.Autochthonous items dominated the diet of Moenkhausia

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Effect of medium entropy alloy powder-core wire on friction wear and corrosion resistance of arc cladding additive layer

Low carbon steel solar filter 55mm was suitable for industrial fields due to its low price, wide application range and excellent comprehensive performance.However, there were still shortcomings such as poor wear resistance and corrosion resistance in special occasions.In hence, this paper carried out a study on the strengthening process of low-carb

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