An ecological study of a massive bloom of toxigenic Pseudo-nitzschia cuspidata off the Washington State coast

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

An ecological study of a massive bloom of toxigenic Pseudo-nitzschia cuspidata off the Washington State coast. / Trainer, Vera; Wells, Mark L; Cochlan, William P; Baugh, Keri A; Trick, Charles G; Bill, Brian D; Beall, Benjamin F; Lundholm, Nina.

In: Limnology and Oceanography, Vol. 54, No. 5, 2009, p. 1461–1474.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Trainer, V, Wells, ML, Cochlan, WP, Baugh, KA, Trick, CG, Bill, BD, Beall, BF & Lundholm, N 2009, 'An ecological study of a massive bloom of toxigenic Pseudo-nitzschia cuspidata off the Washington State coast', Limnology and Oceanography, vol. 54, no. 5, pp. 1461–1474. <http://www.aslo.org/lo/toc/vol_54/issue_5/1461.html>

APA

Trainer, V., Wells, M. L., Cochlan, W. P., Baugh, K. A., Trick, C. G., Bill, B. D., Beall, B. F., & Lundholm, N. (2009). An ecological study of a massive bloom of toxigenic Pseudo-nitzschia cuspidata off the Washington State coast. Limnology and Oceanography, 54(5), 1461–1474. http://www.aslo.org/lo/toc/vol_54/issue_5/1461.html

Vancouver

Trainer V, Wells ML, Cochlan WP, Baugh KA, Trick CG, Bill BD et al. An ecological study of a massive bloom of toxigenic Pseudo-nitzschia cuspidata off the Washington State coast. Limnology and Oceanography. 2009;54(5):1461–1474.

Author

Trainer, Vera ; Wells, Mark L ; Cochlan, William P ; Baugh, Keri A ; Trick, Charles G ; Bill, Brian D ; Beall, Benjamin F ; Lundholm, Nina. / An ecological study of a massive bloom of toxigenic Pseudo-nitzschia cuspidata off the Washington State coast. In: Limnology and Oceanography. 2009 ; Vol. 54, No. 5. pp. 1461–1474.

Bibtex

@article{b8fca600d66111dd9473000ea68e967b,
title = "An ecological study of a massive bloom of toxigenic Pseudo-nitzschia cuspidata off the Washington State coast",
abstract = "In September 2004 a large, nearly monospecific diatom bloom of Pseudo-nitzschia cuspidata off the coast of the state of Washington reached cell concentrations of 6.1 × 106 cells L-1 and produced maximum particulate domoic acid (pDA), dissolved domoic acid (dDA), and cellular domoic acid concentrations of 43 nmol L-11, 4 nmol L-1, and 63 pg cell-1, respectively. This bloom co-dominated the phytoplankton assemblage with the euglenoid Eutreptiella sp. in the Juan de Fuca eddy region, a known initiation site for toxigenic Pseudo-nitzschia blooms. Two isolates of P. cuspidata collected during separate cruises produced domoic acid (DA) in culture. During the September 2004 survey, 84% of the stations (n = 98) had detectable Pseudo-nitzschia and 78% had detectable pDA. There were no significant correlations between either pDA or cellular DA and ambient concentrations of macronutrients; however, when considering only those stations where Pseudo-nitzschia was present, pDA was positively correlated with chlorophyll a and negatively correlated with temperature (p < 0.01) at both 1- and 5-m depths. Correlations between cellular DA concentrations and total bacteria or cyanobacteria abundances were not significant. Variable ratios of pDA:dDA in the eddy region suggest that DA release was under cellular regulation by Pseudo-nitzschia. Stations where dissolved Fe concentrations were limiting (,0.5 nmol L-1) had the highest Pseudo-nitzschia abundances and pDA and cellular DA values. These results provide enticing field evidence of the role of Fe limitation in controlling cellular DA levels. ",
author = "Vera Trainer and Wells, {Mark L} and Cochlan, {William P} and Baugh, {Keri A} and Trick, {Charles G} and Bill, {Brian D} and Beall, {Benjamin F} and Nina Lundholm",
year = "2009",
language = "English",
volume = "54",
pages = "1461–1474",
journal = "Limnology and Oceanography",
issn = "0024-3590",
publisher = "JohnWiley & Sons, Inc.",
number = "5",

}

RIS

TY - JOUR

T1 - An ecological study of a massive bloom of toxigenic Pseudo-nitzschia cuspidata off the Washington State coast

AU - Trainer, Vera

AU - Wells, Mark L

AU - Cochlan, William P

AU - Baugh, Keri A

AU - Trick, Charles G

AU - Bill, Brian D

AU - Beall, Benjamin F

AU - Lundholm, Nina

PY - 2009

Y1 - 2009

N2 - In September 2004 a large, nearly monospecific diatom bloom of Pseudo-nitzschia cuspidata off the coast of the state of Washington reached cell concentrations of 6.1 × 106 cells L-1 and produced maximum particulate domoic acid (pDA), dissolved domoic acid (dDA), and cellular domoic acid concentrations of 43 nmol L-11, 4 nmol L-1, and 63 pg cell-1, respectively. This bloom co-dominated the phytoplankton assemblage with the euglenoid Eutreptiella sp. in the Juan de Fuca eddy region, a known initiation site for toxigenic Pseudo-nitzschia blooms. Two isolates of P. cuspidata collected during separate cruises produced domoic acid (DA) in culture. During the September 2004 survey, 84% of the stations (n = 98) had detectable Pseudo-nitzschia and 78% had detectable pDA. There were no significant correlations between either pDA or cellular DA and ambient concentrations of macronutrients; however, when considering only those stations where Pseudo-nitzschia was present, pDA was positively correlated with chlorophyll a and negatively correlated with temperature (p < 0.01) at both 1- and 5-m depths. Correlations between cellular DA concentrations and total bacteria or cyanobacteria abundances were not significant. Variable ratios of pDA:dDA in the eddy region suggest that DA release was under cellular regulation by Pseudo-nitzschia. Stations where dissolved Fe concentrations were limiting (,0.5 nmol L-1) had the highest Pseudo-nitzschia abundances and pDA and cellular DA values. These results provide enticing field evidence of the role of Fe limitation in controlling cellular DA levels.

AB - In September 2004 a large, nearly monospecific diatom bloom of Pseudo-nitzschia cuspidata off the coast of the state of Washington reached cell concentrations of 6.1 × 106 cells L-1 and produced maximum particulate domoic acid (pDA), dissolved domoic acid (dDA), and cellular domoic acid concentrations of 43 nmol L-11, 4 nmol L-1, and 63 pg cell-1, respectively. This bloom co-dominated the phytoplankton assemblage with the euglenoid Eutreptiella sp. in the Juan de Fuca eddy region, a known initiation site for toxigenic Pseudo-nitzschia blooms. Two isolates of P. cuspidata collected during separate cruises produced domoic acid (DA) in culture. During the September 2004 survey, 84% of the stations (n = 98) had detectable Pseudo-nitzschia and 78% had detectable pDA. There were no significant correlations between either pDA or cellular DA and ambient concentrations of macronutrients; however, when considering only those stations where Pseudo-nitzschia was present, pDA was positively correlated with chlorophyll a and negatively correlated with temperature (p < 0.01) at both 1- and 5-m depths. Correlations between cellular DA concentrations and total bacteria or cyanobacteria abundances were not significant. Variable ratios of pDA:dDA in the eddy region suggest that DA release was under cellular regulation by Pseudo-nitzschia. Stations where dissolved Fe concentrations were limiting (,0.5 nmol L-1) had the highest Pseudo-nitzschia abundances and pDA and cellular DA values. These results provide enticing field evidence of the role of Fe limitation in controlling cellular DA levels.

M3 - Journal article

VL - 54

SP - 1461

EP - 1474

JO - Limnology and Oceanography

JF - Limnology and Oceanography

SN - 0024-3590

IS - 5

ER -

ID: 9391599