Evaluating non-native species and wetland indicator status as components of wetlands floristic assessment

Ervin, Gary N.; Herman, Brook D.; Bried, Jason T.; Holly, D. Christopher

doi:10.1672/0277-5212(2006)26[1114:ensawi]2.0.co;2

Cited by 54 publications

(42 citation statements)

References 11 publications

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“…This problem fits within the larger debate over relationships among wetland condition, structure, function, and services (SuttonGrier et al 2010;McLaughlin and Cohen 2013). A number of wetland studies have found rapid field assessments to approximate certain biotic or functional conditions (Stapanian et al 2004;Miller and Wardrop 2006;Mack 2007;Reiss and Brown 2007;Stein et al 2009;Sifneos et al 2010;Kutcher and Bried 2014), but in other cases the relationships were lacking (Ervin et al 2006;Peterson and Niemi 2007;Stapanian et al 2013).…”

Section: Discussionmentioning

confidence: 88%

“…The wetland's HGM classification is generally an important environmental consideration for floristic and rapid assessments of the wetland (e.g. Ervin et al 2006). We tested the depressional HGM class versus an Bother HGM^category containing riverine, fringe, and seep wetlands, but the model incorporating this effect received the lowest empirical support.…”

Section: Discussionmentioning

confidence: 99%

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Rapid Buffer Assessment Fails to Predict and Classify Wetland Floristic Quality in Oklahoma

Bried

Jog²,

Davis

et al. 2016

Wetlands

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Rapid field assessment indicators of ecological stress and disturbance may or may not reflect actual biological conditions. We tested the ability of rapidly assessed buffer quality to predict and classify wetland floristic quality across 106 sites in Oklahoma, USA. We used buffer zone metrics from a national-level rapid assessment tool (USA-RAM) to evaluate applicability at the state level. The rapid assessment relying on buffer quality did not relate predictably (linearly) with floristic quality, but the relationship improved after ecoregional stratification. Focusing on the Central Great Plains ecoregion with 55 wetlands sampled, we found 16 floristically intact sites and 13 floristically altered sites based on multivariate testing of the Floristic Quality Assessment Index and several component metrics. Distributions of buffer metrics across these sites were similar between the floristically intact and altered classes, suggesting potential for misclassification of wetland biological condition using rapid buffer assessment. Some of the disconnect may be attributed to bias in the buffer measurements and to using a national assessment protocol at the state level. Buffer metrics in the USA-RAM may offer little insight about wetland biological condition in some regions, and the use of such metrics should only complement direct bioassessments and not substitute for them.

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Section: Discussionmentioning

confidence: 88%

Section: Discussionmentioning

confidence: 99%

Rapid Buffer Assessment Fails to Predict and Classify Wetland Floristic Quality in Oklahoma

Bried

Jog²,

Davis

et al. 2016

Wetlands

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“…For smoothing and baseline correction the software GPES 4.4 supplied by EcoChemie was employed. The Brdicka supporting electrolyte containing 1 mM Co(NH 3 ) 6 Cl 3 and 1 M ammonia buffer (NH 3 (aq) + NH 4 Cl, pH = 9.6) was used and changed after five measurements, surface-active agent was not added. AdTS DPV Brdicka reaction parameters were as follows: initial potential of -0.6 V, end potential -1.…”

Section: Stationary Electrochemical Analyser -Adsorptive Transfer Strmentioning

confidence: 99%

Heavy Metal Contamination of Soil and Sediment in Zambia

2014

Heavy Metal Contamination of Water and Soil

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Among wide spectrum of biomolecules induced by various stress factors low molecular mass protein called metallothionein (MT) is suitable for assessment of the heavy metal environmental pollution. The aim of this work was to determine the metallothionein and total thiols content in larvae of freshwater midges (Chironomus riparius) sampled from laboratory exposure to cadmium(II) ions and from field studies using differential pulse voltammetry Brdicka reaction. Unique electrochemical instrument, stationary electrochemical analyser Autolab coupled with autosampler, was utilized for the analysis of the samples. The detection limit for MT was evaluated as 5 nM. The larvae exposed to two doses (50 ng/g or 50 µg/g) of cadmium(II) ions for fifteen days under laboratory controlled conditions were at the end of the exposure killed, homogenized and analysed. MT content in control samples was 1.2 µM, in larvae exposed to 50 ng Cd/g it was 2.0 µM and in larvae exposed to 50 µg Cd/g 2.9 µM. Moreover at field study chironomid larvae as well as sediment samples have been collected from eight field sites with different levels of pollution by heavy. The metals content (chromium, nickel, copper, zinc, arsenic, molybdenum, cadmium, tin and lead) in the sediment and or MT content in the chironomid larvae were determined by inductively coupled plasma mass spectrometry or Brdicka reaction, respectively. OPEN ACCESSSensors 2008, 8 4082

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“…Modifications to the FQI have included the addition of non-native species (Andreas et al 2004;Cohen et al 2004) and measures of abundance (Poling et al 2003). The FQI has also been used to determine the level of disturbance in a wetland site, based on the presence of invasive and disturbance-prone species and species indicative of highly disturbed sites (Lopez and Fennessy 2002;Ervin et al 2006;Miller and Wardrop 2006). While an FQI has been developed for coastal prairie habitats in Louisiana (Allain et al 2006), northern Gulf of Mexico coastal marshes lack an established FQI.…”

Section: Introductionmentioning

confidence: 99%

Development and use of a floristic quality index for coastal Louisiana marshes

Cretini

Visser

Krauss

et al. 2011

Environ Monit Assess

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The Floristic Quality Index (FQI) has been used as a tool for assessing the integrity of plant communities and for assessing restoration projects in many regions of the USA. Here, we develop a modified FQI (FQI(mod)) for coastal Louisiana wetlands and verify it using 12 years of monitoring data from a coastal restoration project. Plant species that occur in coastal Louisiana were assigned a coefficient of conservatism (CC) score by a local group with expertise in Louisiana coastal vegetation. Species percent cover and both native and non-native species were included in the FQI(mod) which was scaled from 0-100. The FQI(mod) scores from the long-term monitoring project demonstrated the utility of this index for assessing wetland condition over time, including its sensitivity to a hurricane. Ultimately, the FQI developed for coastal Louisiana will be used in conjunction with other wetland indices (e.g., hydrology and soils) to assess wetland condition coastwide and these indices will aid managers in coastal restoration and management decisions.

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Evaluating non-native species and wetland indicator status as components of wetlands floristic assessment

Cited by 54 publications

References 11 publications

Rapid Buffer Assessment Fails to Predict and Classify Wetland Floristic Quality in Oklahoma

Rapid Buffer Assessment Fails to Predict and Classify Wetland Floristic Quality in Oklahoma

Heavy Metal Contamination of Soil and Sediment in Zambia

Development and use of a floristic quality index for coastal Louisiana marshes

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