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Vegetation–edaphic correlation and importance value index in Himalayan ‘ecotone’ temperate conifer forest using the multivariate technique

Himalayan ‘Ecotone’ temperate conifer forest is the cradle of life for human survival and wildlife existence. In spite of the importance of these areas, they have not been studied in depth. This study aimed to quantify the floristic structure, important value index (IVI), topographic and edaphic var...

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Main Authors: Ali, F., Zeb, M., Amin, M., Rajpar, M.N., Hidayat, S., Khan, W.R.
Format: Article
Language:English
Published: Elsevier 2024
Online Access:http://psasir.upm.edu.my/id/eprint/115403/1/115403.pdf
http://psasir.upm.edu.my/id/eprint/115403/
https://linkinghub.elsevier.com/retrieve/pii/S1319562X24000615
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spelling my.upm.eprints.1154032025-03-04T03:01:18Z http://psasir.upm.edu.my/id/eprint/115403/ Vegetation–edaphic correlation and importance value index in Himalayan ‘ecotone’ temperate conifer forest using the multivariate technique Ali, F. Zeb, M. Amin, M. Rajpar, M.N. Hidayat, S. Khan, W.R. Himalayan ‘Ecotone’ temperate conifer forest is the cradle of life for human survival and wildlife existence. In spite of the importance of these areas, they have not been studied in depth. This study aimed to quantify the floristic structure, important value index (IVI), topographic and edaphic variables between 2019 and 2020 utilizing circular quadrant method (10 m x 10 m). The upper-storey layer consisted of 17 tree species belongs to 12 families and 9 orders. Middle-storey shrubs comprised of 23 species representing 14 families and 12 orders. A total of 43 species of herbs, grasses, and ferns were identified from the ground-storey layer, representing 25 families and 21 orders. Upper-storey vegetation structure was dominated by Pinus roxburghii (22.45 %) and middle-storey by Dodonaea viscosa (7.69 %). However, the ground layer vegetation was diverse in species composition (43 species) and distribution. The floral vegetation structure was encompassing of three floral communities which were diverse in IVI, such as, in Piro–Aial (Group 2), Pinus roxburghii (54.46 x 15.94) had the highest IVI value, followed by Pinus wallichiana (45.21 x 14.85) in Piwa–Quin (Group 3) and Ailanthus altissima (22.84 x 19.25) in Aial–Qugal (Group 1). However, the IVI values for Aesculus indica, Celtis australis, and Quercus incana in Aial–Qugal (Group 1) were not determined due to low detection rate. Nevertheless, eleven of these species showed 0 IVI values in Piro–Aial (Group 2) and Piwa–Quin (Group 3). CCA ordination biplot illustrated the significant differences among floral communities and its distribution, which impacted by temperature, rainfall, soil pH, altitude, and topographic features. Ward's agglomerative clustering finding reflected 'Ecotone' temperate conifer forest is rich and diverse floristic structure. Elsevier 2024 Article PeerReviewed text en cc_by_4 http://psasir.upm.edu.my/id/eprint/115403/1/115403.pdf Ali, F. and Zeb, M. and Amin, M. and Rajpar, M.N. and Hidayat, S. and Khan, W.R. (2024) Vegetation–edaphic correlation and importance value index in Himalayan ‘ecotone’ temperate conifer forest using the multivariate technique. Saudi Journal of Biological Sciences, 31 (5). art. no. 103983. pp. 1-10. ISSN 1319-562X https://linkinghub.elsevier.com/retrieve/pii/S1319562X24000615 10.1016/j.sjbs.2024.103983
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Himalayan ‘Ecotone’ temperate conifer forest is the cradle of life for human survival and wildlife existence. In spite of the importance of these areas, they have not been studied in depth. This study aimed to quantify the floristic structure, important value index (IVI), topographic and edaphic variables between 2019 and 2020 utilizing circular quadrant method (10 m x 10 m). The upper-storey layer consisted of 17 tree species belongs to 12 families and 9 orders. Middle-storey shrubs comprised of 23 species representing 14 families and 12 orders. A total of 43 species of herbs, grasses, and ferns were identified from the ground-storey layer, representing 25 families and 21 orders. Upper-storey vegetation structure was dominated by Pinus roxburghii (22.45 %) and middle-storey by Dodonaea viscosa (7.69 %). However, the ground layer vegetation was diverse in species composition (43 species) and distribution. The floral vegetation structure was encompassing of three floral communities which were diverse in IVI, such as, in Piro–Aial (Group 2), Pinus roxburghii (54.46 x 15.94) had the highest IVI value, followed by Pinus wallichiana (45.21 x 14.85) in Piwa–Quin (Group 3) and Ailanthus altissima (22.84 x 19.25) in Aial–Qugal (Group 1). However, the IVI values for Aesculus indica, Celtis australis, and Quercus incana in Aial–Qugal (Group 1) were not determined due to low detection rate. Nevertheless, eleven of these species showed 0 IVI values in Piro–Aial (Group 2) and Piwa–Quin (Group 3). CCA ordination biplot illustrated the significant differences among floral communities and its distribution, which impacted by temperature, rainfall, soil pH, altitude, and topographic features. Ward's agglomerative clustering finding reflected 'Ecotone' temperate conifer forest is rich and diverse floristic structure.
format Article
author Ali, F.
Zeb, M.
Amin, M.
Rajpar, M.N.
Hidayat, S.
Khan, W.R.
spellingShingle Ali, F.
Zeb, M.
Amin, M.
Rajpar, M.N.
Hidayat, S.
Khan, W.R.
Vegetation–edaphic correlation and importance value index in Himalayan ‘ecotone’ temperate conifer forest using the multivariate technique
author_facet Ali, F.
Zeb, M.
Amin, M.
Rajpar, M.N.
Hidayat, S.
Khan, W.R.
author_sort Ali, F.
title Vegetation–edaphic correlation and importance value index in Himalayan ‘ecotone’ temperate conifer forest using the multivariate technique
title_short Vegetation–edaphic correlation and importance value index in Himalayan ‘ecotone’ temperate conifer forest using the multivariate technique
title_full Vegetation–edaphic correlation and importance value index in Himalayan ‘ecotone’ temperate conifer forest using the multivariate technique
title_fullStr Vegetation–edaphic correlation and importance value index in Himalayan ‘ecotone’ temperate conifer forest using the multivariate technique
title_full_unstemmed Vegetation–edaphic correlation and importance value index in Himalayan ‘ecotone’ temperate conifer forest using the multivariate technique
title_sort vegetation–edaphic correlation and importance value index in himalayan ‘ecotone’ temperate conifer forest using the multivariate technique
publisher Elsevier
publishDate 2024
url http://psasir.upm.edu.my/id/eprint/115403/1/115403.pdf
http://psasir.upm.edu.my/id/eprint/115403/
https://linkinghub.elsevier.com/retrieve/pii/S1319562X24000615
_version_ 1825810745094307840
score 13.244413

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