Altitudinal patterns of woody vegetation diversity in Al-Jabal Al-Akhdar, a Mediterranean mountain
This study examines the floristic composition, structural attributes, diversity patterns, and distribution of endemic woody species along an altitudinal gradient in the Al-Jabal Al-Akhdar mountain of northeastern Libya. Stratified sampling was conducted across four elevation zones on the northern an...
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Czech Academy of Agricultural Sciences
2026
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| Online Access: | http://psasir.upm.edu.my/id/eprint/123794/1/123794.pdf http://psasir.upm.edu.my/id/eprint/123794/ http://jfs.agriculturejournals.cz/artkey/jfs-202602-0001_altitudinal-patterns-of-woody-vegetation-diversity-in-al-jabal-al-akhdar-a-mediterranean-mountain.php |
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| author | Masoud, Moussa Abdul-Hamid, Hazandy Mohamed, Johar Alsanousi, Attia |
| author_facet | Masoud, Moussa Abdul-Hamid, Hazandy Mohamed, Johar Alsanousi, Attia |
| author_sort | Masoud, Moussa |
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| content_provider | Universiti Putra Malaysia |
| content_source | UPM Institutional Repository |
| continent | Asia |
| country | Malaysia |
| description | This study examines the floristic composition, structural attributes, diversity patterns, and distribution of endemic woody species along an altitudinal gradient in the Al-Jabal Al-Akhdar mountain of northeastern Libya. Stratified sampling was conducted across four elevation zones on the northern and southern slopes. Phytosociological parameters – including density, basal area, importance value index, and diversity indices – were assessed, and Pearson correlations were used to evaluate relationships with altitude and aspect. A total of 61 woody species from 43 genera and 26 families were recorded, highlighting the region's biodiversity. Tree and shrub density and basal area increased with elevation, particularly on northern slopes. Juniperus phoenicea L. emerged as the most dominant tree, while Phlomis floccosa D. Don and Pistacia lentiscus L. dominated the shrub layer. Diversity indices showed negative correlations with altitude, indicating declining species richness and evenness at higher elevations under cooler temperatures and greater environmental stress. Ten endemic woody species were documented, with endemic richness positively associated with altitude, reflecting the role of habitat isolation and environmental filtering. These findings provide essential insights for biodiversity conservation, climate adaptation, and ecosystem management in Al-Jabal Al-Akhdar and comparable mountainous ecosystems. |
| format | Article |
| id | my.upm.eprints-123794 |
| institution | Universiti Putra Malaysia |
| language | en |
| publishDate | 2026 |
| publisher | Czech Academy of Agricultural Sciences |
| record_format | eprints |
| spelling | my.upm.eprints-1237942026-03-19T00:57:27Z http://psasir.upm.edu.my/id/eprint/123794/ Altitudinal patterns of woody vegetation diversity in Al-Jabal Al-Akhdar, a Mediterranean mountain Masoud, Moussa Abdul-Hamid, Hazandy Mohamed, Johar Alsanousi, Attia This study examines the floristic composition, structural attributes, diversity patterns, and distribution of endemic woody species along an altitudinal gradient in the Al-Jabal Al-Akhdar mountain of northeastern Libya. Stratified sampling was conducted across four elevation zones on the northern and southern slopes. Phytosociological parameters – including density, basal area, importance value index, and diversity indices – were assessed, and Pearson correlations were used to evaluate relationships with altitude and aspect. A total of 61 woody species from 43 genera and 26 families were recorded, highlighting the region's biodiversity. Tree and shrub density and basal area increased with elevation, particularly on northern slopes. Juniperus phoenicea L. emerged as the most dominant tree, while Phlomis floccosa D. Don and Pistacia lentiscus L. dominated the shrub layer. Diversity indices showed negative correlations with altitude, indicating declining species richness and evenness at higher elevations under cooler temperatures and greater environmental stress. Ten endemic woody species were documented, with endemic richness positively associated with altitude, reflecting the role of habitat isolation and environmental filtering. These findings provide essential insights for biodiversity conservation, climate adaptation, and ecosystem management in Al-Jabal Al-Akhdar and comparable mountainous ecosystems. Czech Academy of Agricultural Sciences 2026-02-27 Article PeerReviewed text en cc_by_nc_4 http://psasir.upm.edu.my/id/eprint/123794/1/123794.pdf Masoud, Moussa and Abdul-Hamid, Hazandy and Mohamed, Johar and Alsanousi, Attia (2026) Altitudinal patterns of woody vegetation diversity in Al-Jabal Al-Akhdar, a Mediterranean mountain. Journal of Forest Science, 72 (2). pp. 73-81. ISSN 1212-4834; eISSN: 1805-935X http://jfs.agriculturejournals.cz/artkey/jfs-202602-0001_altitudinal-patterns-of-woody-vegetation-diversity-in-al-jabal-al-akhdar-a-mediterranean-mountain.php Forestry Soil Science 10.17221/92/2025-JFS |
| spellingShingle | Forestry Soil Science Masoud, Moussa Abdul-Hamid, Hazandy Mohamed, Johar Alsanousi, Attia Altitudinal patterns of woody vegetation diversity in Al-Jabal Al-Akhdar, a Mediterranean mountain |
| title | Altitudinal patterns of woody vegetation diversity in Al-Jabal Al-Akhdar, a Mediterranean mountain |
| title_full | Altitudinal patterns of woody vegetation diversity in Al-Jabal Al-Akhdar, a Mediterranean mountain |
| title_fullStr | Altitudinal patterns of woody vegetation diversity in Al-Jabal Al-Akhdar, a Mediterranean mountain |
| title_full_unstemmed | Altitudinal patterns of woody vegetation diversity in Al-Jabal Al-Akhdar, a Mediterranean mountain |
| title_short | Altitudinal patterns of woody vegetation diversity in Al-Jabal Al-Akhdar, a Mediterranean mountain |
| title_sort | altitudinal patterns of woody vegetation diversity in al-jabal al-akhdar, a mediterranean mountain |
| topic | Forestry Soil Science |
| url | http://psasir.upm.edu.my/id/eprint/123794/1/123794.pdf http://psasir.upm.edu.my/id/eprint/123794/ http://jfs.agriculturejournals.cz/artkey/jfs-202602-0001_altitudinal-patterns-of-woody-vegetation-diversity-in-al-jabal-al-akhdar-a-mediterranean-mountain.php |
| url_provider | http://psasir.upm.edu.my/ |