Variación temporal del fitoplancton entre 1993 y 1998 en una estación fija del seno Aysén, Chile (45º26'S 73º00'W)

Abstract

Variación temporal del fitoplancton entre 1993 y 1998 en una estación fija del seno Aysén, Chile (45º26′S 73º00′W)Temporal change of the phytoplankton between 1993 and 1998 in a fixed station inside Aysén fjord, Chile (45º26′S 73º00′W)

Seasonal and intratidal distribution of Dinophysis spp. in a Chilean fjord

“…D. acuminata was the most abundant species, whereas D. acuta, D. caudata, and D. rotundata were scarce throughout the entire study period. This coincided with observations from Muñ oz et al (1992) and Cassis et al (2002) in Aysé n Fjord (45826 0 S-73800 0 W, southern Chile), who found greater concentrations of D. acuminata and D. acuta than the others Dinophysis.…”

“…Several species of the Dinophysis that tend to represent a small percentage (1-10%) of the microplanktonic community are regular components of the planktonic flora from the Chilean Southern Canals (Muñ oz et al, 1992;Uribe et al, 2001;Cassis et al, 2002). D. acuta Ehrenberg and D. acuminata Claparede & Lachmann are the most frequent and abundant species (Muñ oz et al, 1992;Cassis et al, 2002), while D. fortti Pavillard and D. hastata Stein, are rarely observed and lower densities in Aysé n Fjord (44.88S) (Muñ oz et al, 1992;Cassis et al, 2002).…”

“…D. acuta Ehrenberg and D. acuminata Claparede & Lachmann are the most frequent and abundant species (Muñ oz et al, 1992;Cassis et al, 2002), while D. fortti Pavillard and D. hastata Stein, are rarely observed and lower densities in Aysé n Fjord (44.88S) (Muñ oz et al, 1992;Cassis et al, 2002).…”

“…that have been carried out to look at the dynamics of these populations in this area (Muñ oz et al, 1992;Uribe et al, 2001;Cassis et al, 2002;Seguel et al, 2005). Furthermore, several DSP episodes have been reported since 1990s in southern Chile associated to bivalve extraction by the artisanal fishery fleet, particularly in Pitipalena Fjord.…”

Diatom blooms and primary production in a channel ecosystem of central Patagonia

“…Certain species are able to completely dominate a phytoplankton community (Legrand et al, 2003). In Chilean fjords ecosystems, diatoms are known to represent a significant component of the overall phytoplankton biomass (Iriarte et al, 2001;Cassis et al, 2002;Alves-de-Souza et al, 2008;Iriarte & González, 2008). In addition to efficiently transferring energy to higher trophic levels, diatoms make a significant contribution to the downward transfer of organic carbon (Iriarte et al, 2007;González et al, 2010;Montero et al, 2011;Iriarte et al 2013).…”