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One estuary, one invasion, two responses: Phytoplankton and benthic community dynamics determine the effect of an estuarine invasive suspension-feeder Thompson, J.K. (2005). One estuary, one invasion, two responses: Phytoplankton and benthic community dynamics determine the effect of an estuarine invasive suspension-feeder, in: Dame, R.F. et al. The comparative roles of suspension-feeders in ecosystems. Nato Science Series: 4. Earth and Environmental Sciences, 47: pp. 291-316. https://dx.doi.org/10.1007/1-4020-3030-4_17 In: Dame, R.F.; Olenin, S. (Ed.) (2005). The comparative roles of suspension-feeders in ecosystems. Nato Science Series: 4. Earth and Environmental Sciences, 47. Springer: Dordrecht. ISBN 978-1-4020-3028-4. xii, 359 pp. https://dx.doi.org/10.1007/1-4020-3030-4 In: Nato Science Series: 4. Earth and Environmental Sciences. Springer Science+Business Media: Berlin, meer

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Beschikbaar in	Auteur
VLIZ: Non-open access 339196 [ aanvragen ]

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Trefwoord

Bivalvia [WoRMS]

Author keywords

suspension-feeder; bivalve; exotic; grazin; San Francisco Bay; phytoplankton

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Auteur		Top
Thompson, J.K.

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Abstract

Invasive suspension-feeding bivalves have reduced phytoplankton biomass in many aquatic systems, which has resulted in loss of trophic complexity in some systems. Using an example of one invasive bivalve in San Francisco Bay, Potamocorbula amurensis, the causes of differing system level responses are explored. San Francisco Bay, similar to of other shallow, turbid, non-nutrient limited, but low productivity systems, is likely to be most stressed by the loss of primary producers. While the northern bay has lost primary production following the invasion of P. amurensis, the southern bay (SB) has not and these differences are shown to be due to the different mechanisms responsible for the seasonal turbidity in the systems. Because the period of lowest turbidity in SB is coincident with the period of lowest bivalve grazing, the southern bay has not seen a reduction in its high magnitude but short spring bloom. A method for predicting if a shallow, turbid and nutrient replete estuary might lose phytoplankton production with a sudden increase in suspension-feeders is explored.

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