Metals in pine needles: characterisation of bio-indicators depending on species

Cindrić, Iva Juranović; Zeiner, Michaela; Starčević, Ana; Stingeder, Gerhard

doi:10.1007/s13762-018-2096-x

Cited by 30 publications

(17 citation statements)

References 27 publications

(33 reference statements)

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“…Good trueness and precision showed satisfying accuracy of the applied procedure. The obtained values (listed in Table S1 ) are similar to those from previous studies [ 16 , 19 , 20 ]. In addition, the needles were carefully washed after sampling to avoid interference by deposited material containing the elements of interest.…”

Section: Resultssupporting

confidence: 87%

“…Black pines growing in Gaziantep and surroundings (Turkey) have lower Cr needle contents but higher Ni needle contents compared to the black pines from Vienna [ 31 ]. Besides these papers dealing with only a few elements, needles from different pine trees grown in the arboretum of the University of Zagreb have been analyzed for 21 elements [ 19 ]. The results reported for P. nigra needles show lower contents for Al, B, Ba, Ca, Cr, Fe, K, Li, Sr, and Zn and higher contents for Mo, Na, Pb, and Se, while the levels of As, Cd, Co, Cu, Mg, Mn, and Ni are in a similar range.…”

Section: Discussionmentioning

confidence: 99%

“…The fact that the metal uptake behavior of plants depends on the species has been shown not only for deciduous trees [ 17 , 18 ] but also for conifers. The elemental pattern determined in needles from the arboretum of the University of Zagreb revealed significant differences between various pine species [ 19 ]. Hybridization has been proven to may alter this behavior [ 20 ].…”

Section: Introductionmentioning

confidence: 99%

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Accumulation of Major, Minor and Trace Elements in Pine Needles (Pinus nigra) in Vienna (Austria)

Zeiner

Cindrić

2021

Molecules

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Increasing heavy metal pollution in the environment and the fact that pine needles are good bio-monitors for air pollutants was the reason to investigate their accumulation in pine needles in Vienna (Austria). Pinus nigra is widespread over the city, thus allowing the study of different parameters influencing metal accumulation. The sampling sites were chosen based on traffic volume (low, medium, high). Fresh shoots were collected alongside one-year-old needles once per week from May to August 2015. The needle samples were washed and dried prior to acidic microwave-assisted digestion followed by quantitative determination using spectrometric methods. The investigation was focused on the following elements: Ag, Al, As, B, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, Pb, Se, Sr, U, V, and Zn. The one-year-old needles mainly contained higher contents of elements than fresh shoots; in many cases, the values differed statistically significantly. By correlating needle elemental contents with the sampling site, statistically significant differences were registered for the majority of the investigated elements. These differences originate from the local traffic situation, soil elemental levels, translocation processes, and not traffic-related sources. No general trend of metal accumulation from spring to summer was registered.

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Section: Resultssupporting

confidence: 87%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Accumulation of Major, Minor and Trace Elements in Pine Needles (Pinus nigra) in Vienna (Austria)

Zeiner

Cindrić

2021

Molecules

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“…Comparing the elemental contents of the data in needles of Pinus halepensis with those of other pine species has to be treated with care, since each species shows different accumulation behaviour, even when grown under the same conditions [24,25]. In general, the results for the major elements, determined by the soil background composition, such as Ca, K, Mg, and Na are always in the g/kg range, whereas the other elements studied are present in the µg/kg to mg/kg range (trace and ultra-trace elements).…”

Section: Discussionmentioning

confidence: 99%

Geographic Differences in Element Accumulation in Needles of Aleppo Pines (Pinus halepensis Mill.) Grown in Mediterranean Region

2019

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Pine needles are widely used as bio-indicators due to their worldwide distribution and the ease of sample collection. In contrast to deciduous trees, conifers offer the possibility of monitoring long-term exposure through older needles. Pinus halepensis Miller is a pine species native to the Mediterranean region, which has been used for restoration activities in arid and semiarid areas leading to vast spatial expansion. Needles from pine trees collected in the southeastern to northwestern extension of Croatia’s coastal area at twelve sampling sites were analysed for twenty-one metals and metalloids. Statistical evaluation of the obtained data revealed significant differences for Al, As, B, Ba, Ca, Cr, Fe, K, Mg, Mn, Na, Se, and Sr between the different regions. Needles from trees growing on islands did not show elevated levels of Mg and/or Na as a result of the sea spray influence. The differences in metal accumulation are supposed to be linked to the environmental conditions at the respective sampling site, since the species was the same everywhere. By comparing the elemental contents of the soil those of with needles, it can be clearly seen, that the root as well as the foliar uptake contribute to the final amount.

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“…Thus, even if the total metal content in soil influences its bioavailability (Schreck et al 2011;Wijayawardena et al 2015;Yan et al 2018), other parameters have to be taken into account. These include, amongst others, the basic soil composition (mother rock, especially influenced by cation-binding substances like humic acid or clays) alongside soil characteristics (pH-value, cation exchange capacity -CEC) (Schreck et al 2011;Wijayawardena et al 2015;Zeiner et al 2015a), age of contamination (Schreck et al 2011;Wijayawardena et al 2015), way of soil treatment (Blaylock et al 1997), and target organisms tested (Juranović Cindrić et al 2019;Schreck et al 2011;Zeiner et al 2015b).…”

Section: Introductionmentioning

confidence: 99%

Field-Tests versus Laboratory Methods for Determining Metal Pollutants in Soil Extracts

Zeiner

Pirkl

Cindrić

2019

Soil and Sediment Contamination: An International Journal

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Soil is one of the vehicles by which metals enter plants and groundwater. Compared to organic pollutants, metals do not biodegrade and are usually not mobile. In order to estimate the potential impact on groundwater, the amount of extractable metals from soil are thus of concern. Soil matrices represent quite a complex matrix; thus, the appropriate choice of sample preparation and analytical method is of great importance and challenging to ensure reliable and fast data while keeping labor and time need as low as possible. Soil extracts using acetic acid were analyzed, on the one hand, using classical analytical methods such as titrimetry (complexometry) and spectrophotometry, and on the other hand, by instrumental methods, including inductively coupled plasma optical emission spectrometry (ICP-OES), inductively coupled plasma mass spectrometry (ICP-MS) and graphite furnace atomic absorption spectrometry (GF-AAS). The classical methods are characterized by higher limits of detection (LODs), nevertheless their application as screening method on-site is promising. Applying specific reagents, precise measurements can be obtained by photometry with LODs about 0.1 mg/L. Titrimetric methods can be used for specific single element determination and for determining the sum of certain metals at contaminated sites due to LODs around 60 mg/L.

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Metals in pine needles: characterisation of bio-indicators depending on species

Cited by 30 publications

References 27 publications

Accumulation of Major, Minor and Trace Elements in Pine Needles (Pinus nigra) in Vienna (Austria)

Accumulation of Major, Minor and Trace Elements in Pine Needles (Pinus nigra) in Vienna (Austria)

Geographic Differences in Element Accumulation in Needles of Aleppo Pines (Pinus halepensis Mill.) Grown in Mediterranean Region

Field-Tests versus Laboratory Methods for Determining Metal Pollutants in Soil Extracts

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