Palynoindication of the environment in the impact zone of the Apatit mining processing plant with the use of pollen of Pinus sylvestris L.

Vasilevskaya, N. V.; Osechinskaya, Polina

doi:10.1088/1755-1315/723/3/032010

Cited by 3 publications

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“…Therefore, in this study, given the statistically significant difference in the average incidence of empty pollen grains between area C and the other two areas, as well as the absence of a statistically significant difference between area A and area B, there is first evidence that local pollution might be the reason why the studied species show increased pollen abortivity when collected in the polluted areas. Our data are in agreement with evidence of the relationships between pollen viability and morphology in air pollution conditions [110][111][112].…”

Section: Discussionsupporting

confidence: 92%

Pollen and Flora as Bioindicators in Assessing the Status of Polluted Sites: The Case Study of the Mantua Lakes (SIN “Laghi di Mantova e Polo Chimico”; N Italy)

et al. 2023

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An integrated floristic and palynological approach was carried out at the site of national interest “Laghi di Mantova e Polo Chimico” to obtain an environmental assessment useful for monitoring polluted sites. The flora of highly contaminated sectors (area A and area B) was surveyed, and the floristic composition and ecological strategies of the species were compared with a control sector (area C). A total of 195 species were observed in the three sectors. Pollen preservation of six selected species was checked as a bioindicator of environmental health in the same sectors. Area A and area B likely share similar environmental pressures, including anthropogenic stressors such as pollution, geographical proximity and a similar set of habitats, leading to similarities in flora composition. Similarly, the incidence of pollen without cytoplasm is higher in area A (9.3%) and area B (7.6%) than in area C (2.5%). The floristic differences among the sectors and the quantity of empty or abnormal pollen, together with the CSR strategies adopted by the species, suggest that the effects of anthropogenic impact on local vegetation can be detected at both macroscopic and microscopic levels. The discovery of the protected species Narcissus pseudonarcissus in area C is noteworthy, which may be important in directing efforts towards the protection of plant communities in this sector.

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Section: Discussionsupporting

confidence: 92%

Pollen and Flora as Bioindicators in Assessing the Status of Polluted Sites: The Case Study of the Mantua Lakes (SIN “Laghi di Mantova e Polo Chimico”; N Italy)

et al. 2023

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Biomonitoring of the environment of the Arctic urbanized area using the pollen of Sorbus gorodkovii Pojark

Vasilevskaya,

Sikalyuk

2023

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This article investigates the content of heavy metals (Cu, Ni, V, Cd, Zn) in the reproductive organs of the Gorodkov’s rowan (Sorbus gorodkovii Pojark.) growing in the impact zone of environmentally hazardous facilities in Murmansk (CHP plants, waste incineration plant and trade sea port). The samples most contaminated by heavy metals were registered in the vicinity of the incineration plant. High concentrations of vanadium (4,2–4,8 mg/kg) and Cu, Ni, Cd, and Zn exceeding the limits of MPC are revealed in the impact zone of CHP plants operating on fuel oil. Biomonitoring of the viability of S. gorodkovii pollen showed that in all samples, the content of fertile pollen grains was reduced compared to that in the control. At the test sites of the Central and South CHP plants, the proportion of fertile pollen was 35–41 % (compared to 72 % in the control sample). The induced sterility was more than two times higher than the spontaneous sterility. High concentrations of vanadium and other toxic metals in emissions of Heating Plants have a gametocidal effect on the male gametophyte of S. gorodkovii. Groups of fertile and sterile pollen grains were selected according to their size: dwarf, normal, or hypertrophied. In the vicinity of the CHP plants, the proportion of fertile pollen of normal size decreased (62–69 %), whereas the content of dwarf (16–18 %) and hypertrophic pollen (17.4–22.7 %) increased. Sterile pollen grains were mostly dwarf (63–70 %). The results of biomonitoring indicated that CHP plants polluted the urban environment with vanadium and other toxic metals, which caused sterilization of S. gorodkovii male gametes. To improve the ecological situation in Murmansk, it is necessary to switch the thermal stations for the use of natural gas.

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Pollution of the Environment and Pollen: A Review

Vasilevskaya

2022

Stresses

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Bioindication of the environment is one of the actively developing directions of ecology. Information about pollutants and the level of environmental pollution can be obtained as a result of studying the biological reaction of plants to pollution. Ecological palynology is a new direction, when pollen of various woody and herbaceous species is used for bioindication of the level of environmental pollution and the presence of mutagens. The review considers the morphological variability of pollen, its fertility and viability under the influence of pollutants, the possibility of its use as a bioindicator of pollution of urban areas by emissions of vehicle transport and industry.

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Palynoindication of the environment in the impact zone of the Apatit mining processing plant with the use of pollen of Pinus sylvestris L.

Cited by 3 publications

References 3 publications

Pollen and Flora as Bioindicators in Assessing the Status of Polluted Sites: The Case Study of the Mantua Lakes (SIN “Laghi di Mantova e Polo Chimico”; N Italy)

Pollen and Flora as Bioindicators in Assessing the Status of Polluted Sites: The Case Study of the Mantua Lakes (SIN “Laghi di Mantova e Polo Chimico”; N Italy)

Biomonitoring of the environment of the Arctic urbanized area using the pollen of Sorbus gorodkovii Pojark

Pollution of the Environment and Pollen: A Review

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