Soil Health Changes Over a 25-Year Chronosequence From Forest to Plantations in Rubber Tree (Hevea brasiliensis) Landscapes in Southern Côte d'Ivoire: Do Earthworms Play a Role?

Tondoh, Jérôme E.; Dimobe, Kangbéni; Guéi, Arnauth M.; Adahe, Léontine; Baidai, Yannick; N’Dri, Julien K.; Forkuor, Gerald

doi:10.3389/fenvs.2019.00073

Cited by 11 publications

(6 citation statements)

References 57 publications

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“…Getting the correct picture requires an approach to data gathering and analysis different from the one presented there. In the first version of the paper, abundance and richness mapped in tropical areas were generally well below those observed in our research (2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12). After Phillips et al corrected their dataset [see their erratum (13)], their local (figure 1) and regional (figure 2) estimates only became less aligned with our experience and data.…”

supporting

confidence: 42%

“…A typical montane forest remnant in the Philippines holds 20 to 25 species (6), with high turnover between mountains within a single island, and 100% turnover among islands. In Ivory Coast, natural savannahs had 7 to 12 species, crop fields 8 species, and rubber plantations 16 species (7,8); these African studies include extensive quantitative sampling and average annual biomass from 3.5 to 54 g m -2 . In natural savannas and gallery forests of Colombia, species numbers were 7 to 8 (9, 10).…”

mentioning

confidence: 99%

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Comment on “Global distribution of earthworm diversity”

James

Csuzdi

Chang

et al. 2021

Science

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Phillips et al. (Reports, 25 October 2019, p. 480) incorrectly conclude that tropical earthworm communities are less diverse and abundant than temperate communities. This result is an artifact generated by some low-quality datasets, lower sampling intensity in the tropics, different patterns in richness-area relationships, the occurrence of invasive species in managed soils, and a focus on local rather than regional richness.

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confidence: 42%

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confidence: 99%

Comment on “Global distribution of earthworm diversity”

James

Csuzdi

Chang

et al. 2021

Science

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“…This long period could be more favourable than shorter‐rotation species for topsoil restoration following the initial disturbance caused by logging. Indeed, soil quality and soil biodiversity at 0–10 cm depth improve with age over one cycle of rubber plantation (Peerawat et al, 2018; Thoumazeau et al, 2019b; Tondoh et al, 2019; Zhou et al, 2017) especially due to the absence of physical perturbation, high litter input and improved soil moisture (N'Dri et al, 2018). Therefore, plantations were sometimes considered close to a restored forest ecosystem (Bremer & Farley, 2010).…”

Section: Introductionmentioning

confidence: 99%

Rubber, rubber and rubber: How 75 years of successive rubber plantation rotations affect topsoil quality?

et al. 2022

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Rubber tree plantations (Hevea brasiliensis) cover large areas in the tropics. In historical producing regions like South Thailand, rubber has been planted by smallholders for three successive rotations lasting a total of 75 years. Despite possible consequences on topsoil, the long‐term impacts of repeated rubber plantations on soil quality remain unknown. This study aims to better understand how various factors linked to long‐term rubber land use and land use change affect topsoil physico‐chemical properties and soil organic carbon (SOC) thermal stability. We focus on the effects of three factors: i. deforestation (change from forest to first rubber plantation); ii. the age of the rubber stand (immature vs. mature); and iii. long‐term rubber cultivation (first, second or third successive rotation) over a chronosequence in farmers plots. Our results show that soil was deeply degraded after deforestation to a rubber plantation. Long‐term rubber cultivation is also detrimental for the soil and has a more negative impact on soil physico‐chemical properties and carbon dynamics, than the age of the rubber stand (e.g., on average, decrease of 50% of SOC content between forest and third rotation). At the third rotation, after 50 years of rubber cultivation, the quality of the 0–10 cm soil layer was very low, with an increase in SOC thermal stability. At this stage, logging practices upset the sustainability of the system. These impacts could be limited by less destructive practices during planting.

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“…In West Africa, particularly in Côte d’Ivoire, land-use changes lead to a decrease of total organic carbon and soil pH [ 3 ], of the abundance, richness and diversity of litter and soil arthropods [ 4 , 5 ]. Furthermore, the conversion of primary or secondary forests to rubber plantations appears to reduce the diversity and density of soil macroinvertebrates [ 6 , 7 , 8 ].…”

Section: Introductionmentioning

confidence: 99%

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 Côte d’Ivoire

Kouakou

Cortet

Kolo

et al. 2022

Insects

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We used trait-based approaches to reveal the functional responses of springtails communities to organic matter inputs in a rubber plantation in Côte 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.

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Soil Health Changes Over a 25-Year Chronosequence From Forest to Plantations in Rubber Tree (Hevea brasiliensis) Landscapes in Southern Côte d'Ivoire: Do Earthworms Play a Role?

Cited by 11 publications

References 57 publications

Comment on “Global distribution of earthworm diversity”

Comment on “Global distribution of earthworm diversity”

Rubber, rubber and rubber: How 75 years of successive rubber plantation rotations affect topsoil quality?

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 Côte d’Ivoire

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