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SUMMARY An intensive survey was carried out in 5 sites of the Parana River floodplain with similar physical and chemical water condition, dominated by different macrophytes. To test the hypothesis… Continue Reading
The amounts of organic and inorganic particulate matter retained by the roots of the floating macrophyte Eichhornia crassipes (Mart.) Solms were followed for 17 months at two sites in the flood-plain… Continue Reading
Litterfall and leaf decomposition rates were measured in Choui Island, 45 km downstream from the confluence of the Paraná and Paraguay rivers. The material was collected biweekly from April 1985… Continue Reading
The growth response of Pistia stratiotes L., Salvinia biloba Raddi and Eichhornia crassipes (Mart.) Solms was studied for five months in outdoor artificial ponds under natural conditions. Two… Continue Reading
Resumen es: La caida de hojas de Copernicia alba (palma blanca) fue medida durante un ano en dos sitios de un palmar con diferente densidad de arboles. La descompo...
Les echantillons ont ete preleves dans les franges a Panicum grumosum et a Polygonum acuminatum des iles Palomera et Choui (situees a 45km de la confluence avec le Paraguay)