Abstract
Traditional agroecosystems play a vital role in conserving arable plant diversity, which requires the preservation of this ecological heritage. This study aims to compare the species richness, composition, Shannon diversity, and Simpson diversity of arable plant communities in traditional agroecosystems on ultramafic and non-ultramafic substrates in the Beni Bousera massif region of northern Morocco. We surveyed arable plant communities in the study area and conducted a physicochemical analysis of soil composition to explore the relationship between arable plant community composition and soil properties. We observed a significant difference in floristic richness between the two soil types, with a moderate serpentine effect being highly abundant. Among the 167 identified arable plant species, Asteraceae and Poaceae were the most widespread botanical families. Therophytes were the dominant life forms at both study sites, followed by hemicryptophytes and geophytes. Non-ultramafic plant communities were generally more species-rich than the ultramafic site vegetation. We found a differentiation in arable plant communities according to substrate type, with a calcifuge-affinity community at the ultramafic site and a calcicole-affinity community at the non-ultramafic site. Our results highlight the differentiation in arable plant communities at the study sites, despite the proximity and similarity of climate and agricultural practices.
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The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.
References
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Acknowledgements
We thank all members of the BioAgrodiversity team for their valuable feedback and suggestions. A special thanks goes out to professor Hafid Achtak for his assistance in improving the manuscript's English. The authors are grateful to the Moroccan farmers for allowing access to their land and to the reviewers for their useful suggestions and comments.
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SC and MA planned the research. SC, AELG, KK and MA conducted the field sampling; SC and MK identified the botanical taxa; SC, JK and MA performed statistical analyses and prepared figures and tables; all authors reviewed and contributed to the final version.
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Supplementary Information
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Supplementary File 1.
Catalogue of the identified species with their EPPO code, Famille, Life forms and Absolute frequency (Fa) in ultramafic (U) and non-ultramafic (NU) sites. Life forms (LF) are: Th: Therophyte, G: Geophyte, Hem: Hemicryptophyte, Ch: Chamaephyte. (DOCX 65 kb)
Supplementary File 2.
Detrended Correspondence Analysis (DCA) results. (DOCX 407 kb)
Supplementary File 3.
Conditional effects of canonical correspondence analysis (CCA) explanatory variables using step-wise forward selection. (DOCX 20 kb)
Supplementary File 4.
Raw matrices of species abundances and soil variables. (XLSX 45 kb)
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Chakkour, S., Kassout, J., Kadaoui, K. et al. Arable plant communities of ultramafic and non-ultramafic soils in Beni Bousera (North Morocco). COMMUNITY ECOLOGY 24, 171–187 (2023). https://doi.org/10.1007/s42974-023-00140-y
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DOI: https://doi.org/10.1007/s42974-023-00140-y