Kouakou A. K., Cortet J., Kolo Y., Brauman Alain. (2022). Using trait-based approaches to assess the response of epedaphic Collembola to organic matter management practices : a case study in a rubber plantation in South-Eastern Cote d'Ivoire. Insects, 13 (10), 892 [12 p.].
Titre du document
Using trait-based approaches to assess the response of epedaphic Collembola to organic matter management practices : a case study in a rubber plantation in South-Eastern Cote d'Ivoire
Simple Summary While studies based on the taxonomic facet of biodiversity have already proven their value in understanding soil functioning, studies focusing on the functional facet based on the traits of organisms are scarce in the Ivorian context. Among soil organisms, springtails play an important role in soil functioning and are a useful bioindicator for assessing the impact of land use change and agricultural practices on soil biodiversity. However, their taxonomy is very poorly known in Cote d'Ivoire. The functional trait approach is therefore a relevant alternative for assessing the response of springtails communities to organic matter management in tree plantations. The aim of this study was to determine how different input of organic matter in the form of logging residues and legumes influence the body size and functional diversity of springtails. Our results showed a high functional richness and body size of springtails in the practice with trunks and large branches (R2L1). Functional traits are useful to assess the effects of agricultural practices on springtails communities. We used trait-based approaches to reveal the functional responses of springtails communities to organic matter inputs in a rubber plantation in Cote d'Ivoire. Pitfall traps were used to sample springtails in each practice. The results showed that the total abundance of springtails increased significantly with the amount of organic matter (R0L0 < R2L1). Larger springtails (body length, furca and antennae) were observed in plots with high organic matter. Practices with logging residues and legume recorded the highest functional richness. The principal coordinate analysis showed different functional composition patterns between practices with logging residues (R1L1 and R2L1) and those without inputs (R0L0 and R0L1). This difference in functional composition (PERMANOVA analysis) was related to the effect of practices. These results highlight the pertinence of the functional trait approach in the characterization of springtail communities, a bioindicator of soil health, for organic matter management practice.
Plan de classement
Pédologie [068]
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Biologie du sol [074]
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Sciences du monde végétal [076]
