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Fish populations in the Parana River. 2. Santa Fe and Corrientes areas

✍ Scribed by Elly Cordiviola; Clarice Pignalberi

Book ID
104615467
Publisher
Springer
Year
1981
Tongue
English
Weight
726 KB
Volume
77
Category
Article
ISSN
1573-5141

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✦ Synopsis

This paper presents data on the fish populations of temporary lenitic water bodies along the Middle Parana River in the Santa Fe and Corrientes areas, some 650 km apart, sampled during 1972. Comparisons are made among the fish faunas present in the various ponds in 1972, and also with data collected in the same areas in the previous four years. Differences in population size, structure, specific diversity and dominance of particular species, are established between the populations of the two areas. The main reasons for differences are considered in relation to the hydrological regime.

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Populations and production of fish in tw
Populations and production of fish in two small tributaries of the Paraná River, Paraná, Brazil
✍ A. A. Agostinho; T. Penczak 📂 Article 📅 1995 🏛 Springer 🌐 English ⚖ 738 KB

Mean biomass (B) and production (P) of fish in two small tributaries of the Parana River (Parana, Brazil) were 61 kg ha -' and 48 kg ha 1 yr -1 in the Caracu River and 29 kg ha -1 and 26 kg ha ' yr -1 in the Agua do Rancho River, respectively . Matrix correlation analysis revealed high positive corr