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Article
R. M. V. Cortes, Auteur ; M. T. Ferreira, Auteur ; S. V. Oliveira, Auteur ; F. Godinho, AuteurThe effects of two small dams of similar size located in different (second order) streams on the Rivers Poio and Balsemao, were studied during one year to assess the impact on the benthic community. In the first stream, regulation is for hydro-p[...]
Article
M. T. Ferreira, Auteur ; A. Franco, Auteur ; L. Catarino, Auteur ; I. Moreira, Auteur ; P. Sousa, AuteurThe establishment of algal mats in concrete irrigation channels presents a serious weed problem in Mediterranean areas. These periphytic growths can reach two meters in filament length, 20 cm in mat thickness, 100% cover and 1 kg of fresh weight[...]
Article
I. Bernez, Auteur ; M. T. Ferreira, Auteur ; A. Albuquerque, Auteur ; F. Aguiar, AuteurThe distribution and invasive status of the amphibious plant Paspalum paspalodes (water knotgrass) are observed. The P. paspalodes distribution clearly shows that it is an invasive plant established in Portugal, which has never before been recor[...]
Article
M. T. Ferreira, Auteur ; I. S. Moreira, AuteurRiver plants were studied at 119 sites from a southern Iberian river basin. A site length of 50-100 m was found to be adequate for characterising local plant richness in these rivers. Average number of river plant species per site was 48 (range [...]
