An integrated methodology for assessment of estuarine trophic status

Bricker, Suzanne B.; Ferreira, J.G.; Simas, Teresa

doi:10.1016/s0304-3800(03)00199-6

Cited by 428 publications

(269 citation statements)

References 45 publications

(42 reference statements)

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“…Because of their direct link and sensitivity to nutrient loading, phytoplankton growth is considered a direct effect (e.g., OSPAR, 2002; WFD methods) or a primary Figure 1 Progression of eutrophication and impact evaluation starting with increased primary production reflected as increased phytoplankton biomass (Chl a) and macroalgal abundance, leading to low dissolved oxygen, losses of seagrasses, and changes in community composition to include nuisance and toxic blooms. From Bricker, S.B., Longstaff, B., Dennison, W., Jones, A., Boicourt, K., Wicks, C., Woerner, J., 2007 symptom (e.g., the assessment of estuarine trophic status (ASSETS) method, in Bricker et al, 2003), indicative of the beginnings of eutrophication problems. As such, phytoplank ton is a good indicator for nutrient-related impacts.…”

Section: Phytoplankton Are Good Indicators Of Eutrophicationmentioning

confidence: 99%

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Classifying Ecological Quality and Integrity of Estuaries

Borja¹,

Basset²,

Bricker³

et al. 2011

Treatise on Estuarine and Coastal Science

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There is an increasing need in assessing ecological quality and integrity of estuaries and lagoons. This chapter shows the most recent efforts in assessing individual biological elements (from phytoplankton to fishes), together with the integrative tools developed in different geographical areas worldwide. However, reducing complex information from multiple ecosystem elements to a single color or value is a substantial challenge to marine scientists, and requires the integration of different disciplines (chemists, engineers, biologists, ecologists, physics, managers, etc.), to reach agreement on the final assignment of ecological status. Hence, in the near future, emphasis needs to be directed at understanding the complexities of estuarine system functioning rather than simplifying and scaling down the system into smaller components. Provided for non-commercial research and educational use.Not for reproduction, distribution or commercial use.This chapter was originally published in Treatise on Estuarine and Coastal Science, published by Elsevier, and the attached copy is provided by Elsevier for the author's benefit and for the benefit of the author's institution, for noncommercial research and educational use including without limitation use in instruction at your institution, sending it to specific colleagues who you know, and providing a copy to your institution's administrator.All other uses, reproduction and distribution, including without limitation commercial reprints, selling or licensing copies or access, or posting on open internet sites, your personal or institution's website or repository, are prohibited.For exceptions, permission may be sought for such use through Elsevier's permissions site at: Author's personal copy AbstractThere is an increasing need in assessing ecological quality and integrity of estuaries and lagoons. This chapter shows the most recent efforts in assessing individual biological elements (from phytoplankton to fishes), together with the integrative tools developed in different geographical areas worldwide. However, reducing complex information from multiple ecosystem elements to a single color or value is a substantial challenge to marine scientists, and requires the integration of different disciplines (chemists, engineers, biologists, ecologists, physics, managers, etc.), to reach agreement on the final assignment of ecological status. Hence, in the near future, emphasis needs to be directed at understanding the complexities of estuarine system functioning rather than simplifying and scaling down the system into smaller components.

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Section: Phytoplankton Are Good Indicators Of Eutrophicationmentioning

confidence: 99%

“…The ratings for each zone are combined as an area weighted sum to determine the final Chl-a rating for the system (high, moderate, and low; Bricker et al, 1999Bricker et al, , 2003Bricker et al, , 2007.…”

Section: Phytoplankton Indicesmentioning

confidence: 99%

Classifying Ecological Quality and Integrity of Estuaries

Borja¹,

Basset²,

Bricker³

et al. 2011

Treatise on Estuarine and Coastal Science

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“…Chl a can be used as an indicator of the eutrophic condition. According to United States National Estuarine Eutrophication Assessment-Assessment of Estuarine Trophic Status (NEEA-ASSETS) (Bricker et al, 1999;NEEA, 2001), the trophic status of aquatic systems can be classified as one of the following four classes: low (0-5 lg Chl a L À1 ), medium (5-20 lg Chl a L À1 ), high (20-60 lg Chl a L À1 ) and hypertrophic (>60 lg Chl a L À1 ) (Bricker et al, 2003). It is found from Table 1 that the water samples were significantly low trophic in the PRE.…”

Section: Introductionmentioning

confidence: 99%

“…This may be due to the fact that the sampling sites in Pearl River are close the urban area and could be easily affected by human daily life. In addition, distinction between biologically stress (>2.0 mg/L to 65 mg/L) and hypoxic conditions (>0 mg/L to 62 mg/L) for the DO levels is made according to NEEA-ASSETS (Bricker et al, 2003). Dissolved O 2 ranged from 1.62 to 5.50 mg/L in PRD and 5.47 to 6.86 mg/L in PRE.…”

Section: Introductionmentioning

confidence: 99%

In-situ partitioning and bioconcentration of polycyclic aromatic hydrocarbons among water, suspended particulate matter, and fish in the Dongjiang and Pearl Rivers and the Pearl River Estuary, China

Huang

et al. 2014

Marine Pollution Bulletin

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“…ASSETS; Bricker et al, 2003), through tools addressing production and ecological sustainability at a finer spatial scale (e.g. Ferreira et al, 2007) to more detailed and complex research models.…”

Section: Introductionmentioning

confidence: 99%