2004
DOI: 10.1016/j.hal.2004.06.011
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Microbial herbivory on the brown tide alga, Aureococcus anophagefferens: results from natural ecosystems, mesocosms and laboratory experiments

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Cited by 43 publications
(35 citation statements)
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“…Were this the case, such an invasive species, which is not palatable by many benthic and pelagic grazers (as reviewed by Gobler et al 2005), would be expected to bloom with minimal predation loses, as was observed formally in NY (Gobler et al 2002) and currently in MD (present study), so long as the prevailing nutrient regime was favorable for this species (high levels of dissolved organic nitrogen; Gobler et al 2002Gobler et al , 2004Gobler et al , 2005. Since studies of individual protozoan grazers have shown that some species are adversely affected by A. anophagefferens, while others can consume this species (Caron et al 1989(Caron et al , 2004, consecutive blooms in the field would be expected to alter zooplankton community composition, with Aureococcus-tolerant species thriving and those adversely affected becoming less prolific. The Peconic Estuary experienced more consistent, highdensity blooms than any other system during the 1980s and early 1990s, and stopped experiencing blooms after 1995 (as reviewed in Gobler et al 2005).…”
supporting
confidence: 55%
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“…Were this the case, such an invasive species, which is not palatable by many benthic and pelagic grazers (as reviewed by Gobler et al 2005), would be expected to bloom with minimal predation loses, as was observed formally in NY (Gobler et al 2002) and currently in MD (present study), so long as the prevailing nutrient regime was favorable for this species (high levels of dissolved organic nitrogen; Gobler et al 2002Gobler et al , 2004Gobler et al , 2005. Since studies of individual protozoan grazers have shown that some species are adversely affected by A. anophagefferens, while others can consume this species (Caron et al 1989(Caron et al , 2004, consecutive blooms in the field would be expected to alter zooplankton community composition, with Aureococcus-tolerant species thriving and those adversely affected becoming less prolific. The Peconic Estuary experienced more consistent, highdensity blooms than any other system during the 1980s and early 1990s, and stopped experiencing blooms after 1995 (as reviewed in Gobler et al 2005).…”
supporting
confidence: 55%
“…5). Coupled with the microzooplankton grazing/dilution experiments, which generally did not yield significant grazing on A. anophagefferens, but did on other picoplankton on most dates at this site, it appears that zooplankton selected against the brown tide alga in MD (Table 3; Gobler et al 2002, Caron et al 2004). This conclusion is in agreement with the experimental results, which indicated that the enrichment of mesozooplankton had no effect on A. anophagefferens in MD.…”
Section: Evidence For a Trophic Cascade From Mesozooplankton To Aureomentioning
confidence: 83%
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“…Factors hypothesized to promote brown tides caused by A. anophagefferens include the complex interactive effects of grazer inhibition (Gobler et al 2002;Caron et al 2004;Deonarine et al 2006) and nutritional flexibility . The recently discovery of vitamin auxotrophy in this pelagophyte (Tang et al 2010;) is consistent with its ability to generally assimilate organic compounds for nutrition (Gobler et al 2004).…”
Section: Discussionmentioning
confidence: 99%
“…Since 1985, brown tides have recurred almost annually in the different bays on eastern and southern Long Island, New York, and have expanded southward to New Jersey, Delaware, Maryland, and Virginia and across the globe to South Africa (Gobler et al 2005) and China (Zhang et al 2012). A. anophagefferens seems to gain competitive advantage over other phytoplankton by resisting grazing by zooplankton (Gobler et al 2002;Caron et al 2004;Deonarine et al 2006) and bivalves (Bricelj et al 2001) and exhibiting nutritional flexibility, being able to utilize a variety of nitrogenous compounds for growth .…”
mentioning
confidence: 99%