Spatial trends in heavy metals and nitrogen deposition in Navarra (Northern Spain) based on moss analysis

González-Miqueo, L.; Elustondo, David; Lasheras, E.; Bermejo, R.; Santamaría, Jesús Miguel

doi:10.1007/s10874-009-9139-0

Cited by 12 publications

(6 citation statements)

References 26 publications

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“…The Hg concentrations found in mosses from the Iraty forest are the characteristic ones in rural to remote areas (Barre et al, 2018). Similar concentrations were also measured in mosses from Navarra, with mean concentrations of 0.12 ± 0.12 mg kg −1 (González-Miqueo et al, 2009). Forest soil samples were analyzed in order to compare Hg concentrations and evaluate sources in lichens and mosses.…”

Section: Hg Concentration In Bioaccumulators and Soilssupporting

confidence: 52%

“…was collected in soils and tree stumps. This species is fairly tolerant to air pollution and has been widely used in biomonitoring surveys (González-Miqueo et al, 2009;Harmens et al, 2010;Harmens et al, 2013;Schröder et al, 2013). Samples were taken following the guidelines of the UNECE ICP Vegetation Moss Manual (Vegetation Coordination Center, 2010) avoiding places close to roads, populated areas or sites under the influence of tree canopies when possible.…”

Section: Sample Collection and Preparationmentioning

confidence: 99%

“…Due to its structure forming dense mats of interwoven filaments, Hypnum cupressiforme can be easily confused with other moss species. For this reason all the samples collected were identified and separated at the laboratory of the University of Navarra (Spain) with a long experience in the use of this species for similar surveys (González-Miqueo et al, 2009;González-Miqueo et al, 2010;Izquieta-Rojano et al, 2018). Moss samples were oven-dried at 40°C for 72 h and the extreme apices (3 cm) of mosses were cut and ground.…”

Section: Sample Collection and Preparationmentioning

confidence: 99%

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Comparison of the Isotopic Composition of Hg and Pb in Two Atmospheric Bioaccumulators in a Pyrenean Beech Forest (Iraty Forest, Western Pyrenees, France/Spain)

Barré

Queipo-Abad

Sola-Larrañaga

et al. 2020

Front. Environ. Chem.

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Mercury (Hg) and lead (Pb) isotopic compositions were investigated in mosses and lichens collected in a large mountainous beech forest (Iraty Forest) located on the French-Spanish Pyrenean border. Hg isotopic signature in topsoil samples were also analyzed in selected sampling sites. This is the first work that uses the complementary information of both isotopic systems in two distinct atmospheric bioaccumulators. Mosses and lichens present characteristic accumulation due to their integration times, displaying different information on metal pollution over the area. Hg and Pb concentrations in annual moss shoots represent recent atmospheric accumulation, while whole lichen thalli integrates a process of accumulation over a longer period. Lead isotope ratios in mosses are consistent with reported data corresponding to the actual European atmospheric background (206Pb/207Pb ∼ 1.158), while Hg isotopic composition reflects potential uptake of both dry and wet Hg depositions. For lichens, Pb isotopic composition exhibits the contribution of a longer integration period of both industrial Pb emissions and legacy of leaded gasoline pollution. Hg isotopes in lichens discriminate two main groups: a larger one representing the background atmospheric contribution and a second one corresponding to unexpected higher Hg content. The similarities in odd and even Mass-independent fractionation of Hg isotopes between topsoils and lichens from the larger group, support the idea that foliage uptake is the main input of Hg in soils. The second group of lichens exhibits more negative δ202Hg (down to –4.69‰) suggesting a new source of fractionation in this area, probably related to lichens aging and/or stubble and grass fires due to pastoral activities. This study demonstrates that using both Hg and Pb isotopic signature in lichens and mosses allows to trace atmospheric sources and environmental pathways of these metals in forested ecosystems. This original data set in a remote environment provides also new information on the fate of atmospheric Pb and Hg depositions.

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Section: Hg Concentration In Bioaccumulators and Soilssupporting

confidence: 52%

Section: Sample Collection and Preparationmentioning

confidence: 99%

Section: Sample Collection and Preparationmentioning

confidence: 99%

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Comparison of the Isotopic Composition of Hg and Pb in Two Atmospheric Bioaccumulators in a Pyrenean Beech Forest (Iraty Forest, Western Pyrenees, France/Spain)

Barré

Queipo-Abad

Sola-Larrañaga

et al. 2020

Front. Environ. Chem.

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“…Los estudios de biomonitorización del depósito de N atmosférico mediante el uso de musgos terrestres realizados hasta la fecha en la península ibérica no son muy numerosos. Autores como González-Miqueo et al (2009, 2010a, 2010b, Varela et al (2013), Ochoa-Hueso et al 2014, Izquieta-Rojano et al (2016) han intentado evaluar la adecuación de distintas especies de musgos, e.g. Hypnum cupressiforme, Tortella squarrosa (=Pleurochaete squarrosa), o Pseudoscleropodium purum, como biomonitores del depósito de N, a la vez que han buscado posibles tendencias espaciales de dicho elemento a nivel regional.…”

Section: Caso Práctico: Uso De Musgos Terrestres Como Biomonitores Deunclassified

“…Así, en la actualidad es bastante frecuente incluir estos organismos como modelo en estudios científicos (véase, por ejemplo, Sheppard et al 2011, o Stevens et al 2016. En el caso de la península ibérica, el número de publicaciones en este campo ha incrementado notablemente en los últimos 10 años, tanto en el área de ciencia básica con especial atención al funcionamiento ecosistémico (e.g., Maestre et al 2011;Delgado-Baquerizo et al 2014), como en ciencia aplicada en relación a la biomonitorización (González-Miqueo et al 2009, 2010a, 2010bVarela et al 2013Varela et al , 2016. A continuación, describiremos el rol de briófitos y líquenes en el ciclo biogeoquímico del N, los posibles efectos negativos del aumento del depósito de N antropogénico en las comunidades de criptógamas, y su potencial como biomonitores del depósito de este nutriente y contaminante.…”

Section: Introductionunclassified

Empleo de criptógamas como herramienta ecológica de biomonitorización de nitrógeno en la península ibérica

Varela

Aranda

Pérez

et al. 2017

ECOS

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Assessment of Indexes for Heavy Metal Contamination in Remote Areas: A Case Study in a Pyrenean Forest, Navarra, Spain

Rodríguez-Oroz

Lasheras

Elustondo

et al. 2016

Bull Environ Contam Toxicol

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The objective of the present work was to verify and compare the performance of different geochemical indices employed to identify the anthropogenic origin of selected heavy metals and other trace elements in soils. To that end, two background values, the upper continental crust and the metal content in the bed rock, were used and obtained from a forested basin of the western Pyrenees. The enrichment factor (EF), geo-accumulation index (I), and contamination factor (C) were finally evaluated for their ability to determine anthropogenic contamination: Results indicate that an in-depth knowledge of the bed rock geochemistry and the geological background content is essential to distinguish between the natural variability of soils and any anthropogenic contribution of heavy metals. Although both EF and C show a similar ability to detect soil contamination, the latter is proposed as a more appropriate and sensitive marker given its ability for finding episodically elevated contamination levels.

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Spatial trends in heavy metals and nitrogen deposition in Navarra (Northern Spain) based on moss analysis

Cited by 12 publications

References 26 publications

Comparison of the Isotopic Composition of Hg and Pb in Two Atmospheric Bioaccumulators in a Pyrenean Beech Forest (Iraty Forest, Western Pyrenees, France/Spain)

Comparison of the Isotopic Composition of Hg and Pb in Two Atmospheric Bioaccumulators in a Pyrenean Beech Forest (Iraty Forest, Western Pyrenees, France/Spain)

Empleo de criptógamas como herramienta ecológica de biomonitorización de nitrógeno en la península ibérica

Assessment of Indexes for Heavy Metal Contamination in Remote Areas: A Case Study in a Pyrenean Forest, Navarra, Spain

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