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Soil microbial and enzyme activities in different land use systems of the Northwestern Himalayas

Soil microbial activity (SMA) is vital concerning carbon cycling, and its functioning is recognized as the primary factor in modifying soil carbon storage potential. The composition of the microbial community (MC) is significant in sustaining environmental services because the structure and activity...

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Autores principales: Mir, Yasir Hanif, Ganie, Mumtaz Ahmad, Shah, Tajamul Islam, Bangroo, Shabir Ahmed, Mir, Shakeel Ahmad, Shah, Aanisa Manzoor, Wani, Fehim Jeelani, Qin, Anzhen, Rahman, Shafeeq Ur
Formato: Online Artículo Texto
Lenguaje:English
Publicado: PeerJ Inc. 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10540776/
https://www.ncbi.nlm.nih.gov/pubmed/37780386
http://dx.doi.org/10.7717/peerj.15993
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author Mir, Yasir Hanif
Ganie, Mumtaz Ahmad
Shah, Tajamul Islam
Bangroo, Shabir Ahmed
Mir, Shakeel Ahmad
Shah, Aanisa Manzoor
Wani, Fehim Jeelani
Qin, Anzhen
Rahman, Shafeeq Ur
author_facet Mir, Yasir Hanif
Ganie, Mumtaz Ahmad
Shah, Tajamul Islam
Bangroo, Shabir Ahmed
Mir, Shakeel Ahmad
Shah, Aanisa Manzoor
Wani, Fehim Jeelani
Qin, Anzhen
Rahman, Shafeeq Ur
author_sort Mir, Yasir Hanif
collection PubMed
description Soil microbial activity (SMA) is vital concerning carbon cycling, and its functioning is recognized as the primary factor in modifying soil carbon storage potential. The composition of the microbial community (MC) is significant in sustaining environmental services because the structure and activity of MC also influence nutrient turnover, distribution, and the breakdown rate of soil organic matter. SMA is an essential predictor of soil quality alterations, and microbiome responsiveness is imperative in addressing the escalating sustainability concerns in the Himalayan ecosystem. This study was conducted to evaluate the response of soil microbial and enzyme activities to land conversions in the Northwestern Himalayas (NWH), India. Soil samples were collected from five land use systems (LUSs), including forest, pasture, apple, saffron, and paddy-oilseed, up to a depth of 90 cm. The results revealed a significant difference (p < 0.05) in terms of dehydrogenase (9.97–11.83 TPF µg g(−1) day(−1)), acid phosphatase (22.40–48.43 µg P-NP g(−1) h(−1)), alkaline phosphatase (43.50–61.35 µg P-NP g(−1) h(−1)), arylsulphatase (36.33–48.12 µg P-NP g(−1) h(−1)), fluorescein diacetate hydrolase (12.18–21.59 µg g(−1) h(−1)), bacterial count (67.67–123.33 CFU × 10(6) g(−1)), fungal count (19.33–67.00 CFU × 10(5) g(−1)), and actinomycetes count (12.00–42.33 CFU × 10(4) g(−1)), with the highest and lowest levels in forest soils and paddy-oilseed soils, respectively. Soil enzyme activities and microbial counts followed a pattern: forest > pasture > apple > saffron > paddy-oilseed at all three depths. Paddy-oilseed soils exhibited up to 35% lower enzyme activities than forest soils, implying that land conversion facilitates the depletion of microbiome diversity from surface soils. Additionally, reductions of 49.80% and 62.91% were observed in enzyme activity and microbial counts, respectively, with soil depth (from 0–30 to 60–90 cm). Moreover, the relationship analysis (principal component analysis and correlation) revealed a high and significant (p = 0.05) association between soil microbial and enzyme activities and physicochemical attributes. These results suggest that land conversions need to be restricted to prevent microbiome depletion, reduce the deterioration of natural resources, and ensure the sustainability of soil health.
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spelling pubmed-105407762023-09-30 Soil microbial and enzyme activities in different land use systems of the Northwestern Himalayas Mir, Yasir Hanif Ganie, Mumtaz Ahmad Shah, Tajamul Islam Bangroo, Shabir Ahmed Mir, Shakeel Ahmad Shah, Aanisa Manzoor Wani, Fehim Jeelani Qin, Anzhen Rahman, Shafeeq Ur PeerJ Agricultural Science Soil microbial activity (SMA) is vital concerning carbon cycling, and its functioning is recognized as the primary factor in modifying soil carbon storage potential. The composition of the microbial community (MC) is significant in sustaining environmental services because the structure and activity of MC also influence nutrient turnover, distribution, and the breakdown rate of soil organic matter. SMA is an essential predictor of soil quality alterations, and microbiome responsiveness is imperative in addressing the escalating sustainability concerns in the Himalayan ecosystem. This study was conducted to evaluate the response of soil microbial and enzyme activities to land conversions in the Northwestern Himalayas (NWH), India. Soil samples were collected from five land use systems (LUSs), including forest, pasture, apple, saffron, and paddy-oilseed, up to a depth of 90 cm. The results revealed a significant difference (p < 0.05) in terms of dehydrogenase (9.97–11.83 TPF µg g(−1) day(−1)), acid phosphatase (22.40–48.43 µg P-NP g(−1) h(−1)), alkaline phosphatase (43.50–61.35 µg P-NP g(−1) h(−1)), arylsulphatase (36.33–48.12 µg P-NP g(−1) h(−1)), fluorescein diacetate hydrolase (12.18–21.59 µg g(−1) h(−1)), bacterial count (67.67–123.33 CFU × 10(6) g(−1)), fungal count (19.33–67.00 CFU × 10(5) g(−1)), and actinomycetes count (12.00–42.33 CFU × 10(4) g(−1)), with the highest and lowest levels in forest soils and paddy-oilseed soils, respectively. Soil enzyme activities and microbial counts followed a pattern: forest > pasture > apple > saffron > paddy-oilseed at all three depths. Paddy-oilseed soils exhibited up to 35% lower enzyme activities than forest soils, implying that land conversion facilitates the depletion of microbiome diversity from surface soils. Additionally, reductions of 49.80% and 62.91% were observed in enzyme activity and microbial counts, respectively, with soil depth (from 0–30 to 60–90 cm). Moreover, the relationship analysis (principal component analysis and correlation) revealed a high and significant (p = 0.05) association between soil microbial and enzyme activities and physicochemical attributes. These results suggest that land conversions need to be restricted to prevent microbiome depletion, reduce the deterioration of natural resources, and ensure the sustainability of soil health. PeerJ Inc. 2023-09-26 /pmc/articles/PMC10540776/ /pubmed/37780386 http://dx.doi.org/10.7717/peerj.15993 Text en © 2023 Mir et al. https://creativecommons.org/licenses/by-nc/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by-nc/4.0/) , which permits using, remixing, and building upon the work non-commercially, as long as it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.
spellingShingle Agricultural Science
Mir, Yasir Hanif
Ganie, Mumtaz Ahmad
Shah, Tajamul Islam
Bangroo, Shabir Ahmed
Mir, Shakeel Ahmad
Shah, Aanisa Manzoor
Wani, Fehim Jeelani
Qin, Anzhen
Rahman, Shafeeq Ur
Soil microbial and enzyme activities in different land use systems of the Northwestern Himalayas
title Soil microbial and enzyme activities in different land use systems of the Northwestern Himalayas
title_full Soil microbial and enzyme activities in different land use systems of the Northwestern Himalayas
title_fullStr Soil microbial and enzyme activities in different land use systems of the Northwestern Himalayas
title_full_unstemmed Soil microbial and enzyme activities in different land use systems of the Northwestern Himalayas
title_short Soil microbial and enzyme activities in different land use systems of the Northwestern Himalayas
title_sort soil microbial and enzyme activities in different land use systems of the northwestern himalayas
topic Agricultural Science
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10540776/
https://www.ncbi.nlm.nih.gov/pubmed/37780386
http://dx.doi.org/10.7717/peerj.15993
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