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✦   LIBER   ✦

Emergy assessment of integrated production systems of grains, pig and fish in small farms in the South Brazil

✍ Scribed by Otávio Cavalett; Júlio Ferraz de Queiroz; Enrique Ortega


Book ID
113577232
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
199 KB
Volume
193
Category
Article
ISSN
0304-3800

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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