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Cyanobacteria blooms in natural waters in Southern Portugal: a water management...
Galvão, Helena M.; Reis, Margarida P.; Valério, Elisabete; Domingues, Rita B.; Costa, Cristina; Lourenço, Dulce; Condinho, S.; Miguel, RuteThis synthesis of 3 studies from 2 regions of southern Portugal (Alentejo and Algarve) was part of a workshop focusing on cyanobacteria held at the SAME 10. The first study monitored impacts of the large Alqueva dam on the Guadiana estuary since 1996, revealing changes in sediment load, nutrient regime and phytoplankton succession. Prior to dam construction, dense cyanobacterial blooms occurred in the upper est...
Chronic effects of dredging-induced stress on the clam (Spisula solida): nuclei...
Chícharo, Alexandra; Chícharo, Luís; Amaral, A.; Condinho, S.; Gaspar, M.Responses of the clam Spisula solida to stress imposed by dredging were analyzed in terms of changes in chronic indices of biochemical conditions (RNA/DNA ratio and neutral/polar (N/P) lipid ratio). Cumulative stress on undersized (<25 mm) S. solida from repeated habitat disturbance by dredging was simulated in the laboratory and measured with in situ studies off the southern coast of Portugal, in April and Jul...
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