A biochemical and morphological study with multiple linear regression modeling–based impact prediction of ambient air pollutants on some native tree species of Haldwani City of Kumaun Himalaya, Uttarakhand, India

The current study was conducted around the province of Haldwani City, Uttarakhand, India, to understand the seasonal variation of ambient air pollutants (PM 2.5, PM 10 , SO 2 , and NO 2 ) and their impact on four tree species, i.e., neem ( Azadirachta indica ), mountain cedar ( Toona ciliate ), bott...

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Veröffentlicht in:Environmental science and pollution research international 2023-06, Vol.30 (30), p.74900-74915
Hauptverfasser: Goswami, Meera, Kumar, Vinod, Singh, Narendra, Kumar, Pankaj
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Kumar, Vinod
Singh, Narendra
Kumar, Pankaj
description The current study was conducted around the province of Haldwani City, Uttarakhand, India, to understand the seasonal variation of ambient air pollutants (PM 2.5, PM 10 , SO 2 , and NO 2 ) and their impact on four tree species, i.e., neem ( Azadirachta indica ), mountain cedar ( Toona ciliate ), bottlebrush ( Callistemon citrinus ), and guava ( Psidium guajava ) during 2020–2021. Multiple linear regression (MLR)-based prediction analysis showed that the selected air quality variables (PM 2.5 , PM 10 , SO 2 , and NO 2 ) had a significant impact on the biochemical responses of selected tree spp. including, pH, ascorbic acid (AA), total chlorophyll content (T. Chl.), relative water content (RWC), and dust deposition potential. In this, the coefficient of variance ( R 2 ) of the developed models was in the range of 0.70–0.98. The ambient air pollutants showed significant seasonal variations as depicted by using the air pollution tolerance index (APTI) and anticipated performance index (API). The tree species from polluted sites observed more pollution tolerance than the tree species from the control site. Regression analysis showed a significant positive association between the biochemical characteristics and APTI, with the highest influence by AA ( R 2  = 0.961) followed by T. Chl., RWC, and pH. The APTI and API score was observed as maximum for A. indica and minimum for C. citrinus . The impact of air pollutants on the morphology of foliar surface was investigated by the scanning electron microscopy (SEM) and recorded various dust deposition patterns, stomatal blockages, and damage of guard cells in the trees growing along the polluted site (S2). The present study can assist environmental managers to examine the pollution-induced variables and develop an effective green belt for combating air pollution in polluted areas.
doi_str_mv 10.1007/s11356-023-27563-4
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The present study can assist environmental managers to examine the pollution-induced variables and develop an effective green belt for combating air pollution in polluted areas.</description><subject>air</subject><subject>Air Pollutants - analysis</subject><subject>Air pollution</subject><subject>Air Pollution - analysis</subject><subject>Air quality</subject><subject>Aquatic Pollution</subject><subject>Ascorbic acid</subject><subject>Ascorbic Acid - analysis</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Azadirachta indica</subject><subject>Biochemical characteristics</subject><subject>Biochemistry</subject><subject>Callistemon citrinus</subject><subject>Chlorophyll</subject><subject>Deposition</subject><subject>Dust</subject><subject>Dust - analysis</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>electron microscopy</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Environmental management</subject><subject>Environmental Monitoring</subject><subject>Environmental Pollutants - 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Multiple linear regression (MLR)-based prediction analysis showed that the selected air quality variables (PM 2.5 , PM 10 , SO 2 , and NO 2 ) had a significant impact on the biochemical responses of selected tree spp. including, pH, ascorbic acid (AA), total chlorophyll content (T. Chl.), relative water content (RWC), and dust deposition potential. In this, the coefficient of variance ( R 2 ) of the developed models was in the range of 0.70–0.98. The ambient air pollutants showed significant seasonal variations as depicted by using the air pollution tolerance index (APTI) and anticipated performance index (API). The tree species from polluted sites observed more pollution tolerance than the tree species from the control site. Regression analysis showed a significant positive association between the biochemical characteristics and APTI, with the highest influence by AA ( R 2  = 0.961) followed by T. Chl., RWC, and pH. The APTI and API score was observed as maximum for A. indica and minimum for C. citrinus . The impact of air pollutants on the morphology of foliar surface was investigated by the scanning electron microscopy (SEM) and recorded various dust deposition patterns, stomatal blockages, and damage of guard cells in the trees growing along the polluted site (S2). The present study can assist environmental managers to examine the pollution-induced variables and develop an effective green belt for combating air pollution in polluted areas.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>37208511</pmid><doi>10.1007/s11356-023-27563-4</doi><tpages>16</tpages><oa>free_for_read</oa></addata></record>
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source MEDLINE; Springer Nature - Complete Springer Journals
subjects air
Air Pollutants - analysis
Air pollution
Air Pollution - analysis
Air quality
Aquatic Pollution
Ascorbic acid
Ascorbic Acid - analysis
Atmospheric Protection/Air Quality Control/Air Pollution
Azadirachta indica
Biochemical characteristics
Biochemistry
Callistemon citrinus
Chlorophyll
Deposition
Dust
Dust - analysis
Earth and Environmental Science
Ecotoxicology
electron microscopy
Environment
Environmental Chemistry
Environmental Health
Environmental management
Environmental Monitoring
Environmental Pollutants - analysis
Environmental science
Green belts
Guard cells
guavas
Himalayan region
Impact prediction
India
Indigenous species
Linear Models
Moisture content
Morphology
Neem
Nitrogen dioxide
Nitrogen Dioxide - analysis
Outdoor air quality
Ozone
Particulate matter
Performance indices
Plant Leaves - chemistry
Plant species
Pollutants
Pollution index
Pollution tolerance
prediction
Psidium guajava
Regression analysis
Research Article
Scanning electron microscopy
seasonal variation
Seasonal variations
Stomata
Sulfur dioxide
Toona
Toona ciliata
Trees
variance
Waste Water Technology
Water content
Water Management
Water Pollution Control
title A biochemical and morphological study with multiple linear regression modeling–based impact prediction of ambient air pollutants on some native tree species of Haldwani City of Kumaun Himalaya, Uttarakhand, India
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