Lydie Chapuis-Lardy

Lydie Chapuis-Lardy
Institute of Research for Development | IRD · 210 - Functional Ecology and Biochemistry of Soils and Agroecosystems (Eco&Sols)

PhD, HDR

About

118
Publications
28,062
Reads
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3,132
Citations
Citations since 2016
57 Research Items
1739 Citations
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Introduction
Lydie Chapuis-Lardy currently works at the 210 - Functional Ecology and Biochemistry of Soils and Agroecosystems (Eco&Sols), French National Research Institute for Sustainable Development (IRD). Lydie does research in Soil Science and Environmental Science of Tropical environments. Their current project is 'Carbon sequestration assessment in cropping systems.'
Additional affiliations
September 2017 - present
French National Research Institute for sustainable Developement (IRD)
Position
  • Senior Researcher
Description
  • Coordination of the joint research Unit LMI IESOL
September 2014 - September 2017
French National Research Institute for sustainable Developement (IRD)
Position
  • Research in Soil Functional Ecology
Description
  • Carbon sequestration in Tropical soils, Soil fertility, N2O fluxes & emitting processes
October 2009 - August 2014
French National Research Institute for sustainable Developement (IRD)
Position
  • Researcher
Description
  • Alternative management of Sub‐Saharan vulnerable systems, their consequences on Nitrogen cycling and crop nutrition, their adaptation to climate change
Education
January 2016 - January 2016
University of Burgundy
Field of study
  • Soil Science
November 1994 - November 1997
Sorbonne Université
Field of study
  • Soil Science
September 1993 - July 1994
University of Lorraine
Field of study
  • Soil Science

Publications

Publications (118)
Article
Land use change is one of the most important determinants of carbon storage and dynamics in ecosystems. Areas in the proximity of metropoles undergo land use changes but are poorly studied for their soil and biomass carbon budget, especially in Africa. Close to Benin's economic capital, the Lama territory located on the Allada plateau is subject to...
Article
Full-text available
Le système d’élevage pastoral est critiqué pour son impact environnemental en raison des fortes émissions de gaz à effet de serre par unité de produit et l’effet néfaste sur le sol et la végétation. Au Sénégal, le stock de carbone dans la végétation est suivi par le Centre de suivi écologique dans 24 sites du Sahel depuis 1987. Toutefois, le stock...
Preprint
Full-text available
Pre-print open for comments until July 4, here : https://egusphere.copernicus.org/preprints/2022/egusphere-2022-115/ Thank you for your comments ! Abstract : Identifying the drivers of soil organic carbon (SOC) stock changes is of utmost importance to contribute to global challenges like climate change, land degradation, biodiversity loss or food...
Article
Soil organic carbon (C) and nitrogen (N) contents have an essential role in soil fertility, but they may be affected by salinity, which is especially responsible for land degradation in arid and semiarid regions. The objective of this work was to study the ability of visible and near infrared diffuse reflectance spectroscopy (VNIRS) to predict soil...
Data
DATA4C+ is a thesaurus classifying and defining land management practices in agriculture and forestry for soil carbon storage. DATA4C+ thesaurus is focussed on land management practices identified in the scientific literature as drivers of soil organic carbon (SOC) changes. DATA4C+ thesaurus aim was to fill the gap of lack of a comprehensive thesau...
Article
Article publié dans The Conversation : https://theconversation.com/une-bd-pour-se-familiariser-a-lagroecologie-174050
Article
Within agroforestry systems, trees greatly contribute to soil carbon (C) sequestration. We still know little about how this contribution varies according to tree species. Here, we quantified the soil C content derived from three main tree species, Eucalyptus robusta, Coffea arabica and Citrus clementina, used in rainfed rice-based agroforestry in t...
Article
Full-text available
The inventory of the carbon (C) pools in Africa’s ecosystems is not well documented, although it is crucial to support climate mitigation policies. We quantified the C stocks in plant biomass, woody necromass, litter and soil (0–30 and 30–100 cm) for the five main land uses–forest, tree plantation, young and adult palm groves, croplands–of Ferralso...
Poster
Full-text available
Le secteur de l'agriculture, de la forêt et des autres utilisations des terres (AFOLU pour l'anglais Agriculture, Forestry and Other Land Uses) est émetteur en gaz à effet de serre mais c'est également un secteur pour lequel des investissements peuvent inverser la tendance. Pourtant les actions concrètes avec des résultats chiffrés sont rares du fa...
Article
The Sahel is at the nexus of extreme ecological, socio-economic, and food security challenges where Green Revolution technologies have not been adopted and yields remain unchanged since the 1960s. Although the Parkland system where trees are maintained in cropped fields can have positive ecosystem outcomes, there is limited success for increasing y...
Article
Full-text available
Soil organic carbon (SOC) is essential for the productivity of agroecosystems and for mitigating climate change. Because the SOC contents of sandy soils are usually small, the effects of agricultural management upon SOC stocks in such soils have been insufficiently studied. In West sub-arid Africa, the coarse-textured soils (mostly Arenosols) are d...
Data
Dataset used for a paper published in Regional Environmental Change (2021) "Estimates of carbon stocks in sandy soils cultivated under local management practices in Senegal’s groundnut basin". Data comprised Sheet 1: Measured data (total carbon content, pH in water, pH in 1M KCl, 5 textural fractions for soil samples collected at 0-10 cm and 10-3...
Presentation
Full-text available
vPICO presented at session SSS 9.7 "Impact of conventional agriculture and organic farming on soil functions"
Chapter
Full-text available
With the development of agroecology, soil plays a particularly important role in the design of sustainable agricultural practices. The soils are the place of many processes operated by living organisms interacting with one another. Soil biodiversity performs various processes which determine the main aggregated functions and finally agrosystem serv...
Conference Paper
Full-text available
Soil carbon (C), now more than ever, attracts the interest of the scientific community for its importance in combating climate change and achieving food security. As a result, its key role in agricultural soil fertility and in anthropogenic greenhouse gas emissions mitigation is high on international agendas. A key issue regarding the linkage betwe...
Article
Rural development projects to develop sustainable agriculture need to be assessed before engagingsmallholder farmers at large scale. Data on agricultural systems to produce food, provide income forsmallholders and reduce greenhouse-gas (GHG) emissions are scarce in Sub-Saharan Africa countries.Here, we assessed the potential of agroecological pract...
Article
Full-text available
The Paris Climate Agreements and Sustainable Development Goals, signed by 197 countries, present agendas and address key issues for implementing multi-scale responses for sustainable development under climate change—an effort that must involve local, regional, national, and supra-national stakeholders. In that regard, Continental Carbon Sequestrati...
Data
This dataset is composed of qualitative data related to barriers and actions to boost soil carbon sequestration in France and Senegal. These data were produced in 2018. The dataset is related to : Demenois, J., E. Torquebiau, et al. (2020). "Barriers and Strategies to Boost Soil Carbon Sequestration in Agriculture." Frontiers in Sustainable Food...
Article
Beninese smallholders associate food crops and cash crops with immature oil palms to reduce field maintenance costs and gain income before the palms reach productive phase. Little is known about the effects of these crops on the nutritional status and growth of the palms in their immature phase even though the yield of adult palms can be affected b...
Conference Paper
Full-text available
Soil organic carbon (SOC) is a key element in the functioning of agrosystems. It ensures soil quality and productivity of cultivated systems in the Sahelian region. This study uses Rock-Eval pyrolysis to examine how cultural practices impact SOC quantity and quality of cultivated sandy soils in the Senegal groundnut basin. Such thermal analysis met...
Article
Full-text available
The Paris Agreement calls for limiting global warming below 2°C. The “4 per 1000 Initiative: Soils for food security and climate” was launched in 2015 to increase soil organic carbon sequestration with three objectives: mitigation of climate change, adaptation to climate change and improved food security. One of the challenges of the Initiative rel...
Article
Full-text available
In southern Benin, oil palm is mainly cultivated by smallholders who associate it with successive crops over the three first years when the trees are immature. There is little information available on the diversity of the practices used in these young plantations and their socio-economic background, although this information is essential for propos...
Poster
Full-text available
The Paris agreement calls for limiting global warming well below 2°C. In this context, the “4 per 1000 Initiative: Soils for Food Security and Climate” was launched with a threefold objective: to contribute to the mitigation of and to the adaptation to climate change and to improve food security through soil organic carbon sequestration. One of the...
Book
Full-text available
L’agroécologie est, de manière croissante, évoquée au cœur des discussions internationales sur le devenir des systèmes agricoles et alimentaires dans le monde, en apparaissant comme une des réponses pertinentes aux grands défis globaux en matière de développement économique et social et d’environnement, largement reflété́ dans les Objectifs de Déve...
Article
Miniaturized near infrared spectrometers are now available, at more affordable prices than conventional spectrometers, but their performances have been poorly studied to date. This paper aimed at comparing the performances of the JDSU MicroNIR 2200 spectrophotometer (weight < 0.1 kg) with those of a conventional bench-top instrument for predicting...
Article
Full-text available
Basé sur des cas d'étude au Sénégal, ce chapitre dresse le bilan de 15 années de recherches sur le fonctionnement des sols d'agrosystèmes associant plantes cultivées (mil-arachide) et arbustes natifs au Sahel. Les travaux, publiés pour la plupart, ont montré que Guiera senegalensis et Piliostigma reticulatum redistribuent l'eau dans le sol, stimule...
Article
Full-text available
Piliostigma reticulatum is a native woody shrub found in cropped fields in the Sahel and has been shown to increase crop productivity and soil quality. Frequently occurring drying and rewetting cycles (DRW) may alter the soil quality beneath these shrubs. We investigated the effect of DRW cycles on microbial community in soil beneath and outside th...
Conference Paper
Full-text available
Les chercheurs de l'Initiative "4 pour 1000" réunis à Sète les 7 et 8 novembre 2018 lors de l’atelier "La recherche française autour du programme international de recherche de l’initiative 4 pour 1000 : les sols pour la sécurité alimentaire et le climat" ont lancé un appel pour un "programme scientifique ambitieux" pour la mise en œuvre du volet re...
Presentation
Full-text available
The major factors driving greenhouse gas exchanges in forest soils (substrate supply, temperature, water content) vary with soil depth. Our study aimed to assess the effects of clear-cutting and drought on the temporal variability of CO2, CH4 and N2O fluxes throughout very deep soil profiles in Brazilian eucalypt plantations conducted in coppice. S...
Article
Organic carbon saturation in soils refers to the theoretical maximum soil organic carbon (SOC) that can be associated with and stabilized on fine silt plus clay particles (F < 20 μm). We reviewed the literature dealing with SOC distribution between soil fractions to evaluate carbon saturation for tropical soils and estimate the C storage potential...
Book
Full-text available
Depuis le milieu du XX e siècle, du fait de la forte croissance démographique, les sols et la végétation des zones tropicales et méditerranéennes subissent d'importantes dégradations. Actuellement, plus de 20 % des terres cultivées sont dégradées chimiquement, physiquement et biologiquement. En effet, malgré la mise en oeuvre de grands projets tels...
Article
Full-text available
Root exudation contributes to soil carbon allocation and also to microbial C and energy supply, which subsequently impacts soil aggregation around roots. Biologically-driven soil structural formation is an important driver of soil fertility. Plant genetic determinants of exudation and more generally of factors promoting rhizosphere soil aggregation...
Article
Abstract Throughout the Sahel, food insecurity remains a persistent threat. A few studies have shown that Piliostigma reticulatum, a dominant native shrub in parklands from Senegal to Sudan, can positively impact crop yields. However, there are no experiments that measure whether this species can stabilize long-term crop productivity under erratic...
Article
Natural regeneration may be a cost-effective method for recovering areas previously used for intensive agricultural purposes. Plant diversity in the succession periods has been well documented; however, less attention has been paid to the changes in soil attributes, which may work as an instrument for the validation of regeneration methods. The pre...
Poster
Full-text available
Tropical forests strongly influence the concentrations of carbon dioxide (CO2), nitrous oxide (N2O) and methane (CH4) in the atmosphere. Silvicultural practices in planted forests affect the fluxes of greenhouse gases at the soil surface and the major factors driving greenhouse gas production in forest soils (substrate supply, temperature, water co...
Article
L’optimisation de la production agricole a longtemps été le seul but de la recherche agricole, notamment dans les pays du sud où la demande en aliments et en matières premières augmente rapidement et où les sols souvent dégradés fournissent peu d’éléments nutritifs. La nécessité d’un changement de paradigme est maintenant pleinement acquise. L’obje...
Article
Full-text available
A few species of shrubs grow with dryland row crops in farmers' fields throughout the Sahel and can significantly increase crop yield. The presence of shrub roots and litter inputs should have implications for soil nutrient pool sizes but there is limited information on the interactions of these shrubs with microbial communities involved in biogeoc...
Article
Full-text available
Drought stress strongly affects soil biota and impairs crop production, which underclimate change will be exacerbated in semi-arid cropping regions such as the Sahel.Hence soil management systems are needed that can buffer against drought. In West Africa, field studies have found intercropping of millet with the native shrub Piliostigma reticulatum...
Article
Full-text available
Pearl millet (Pennisetum glaucum) is a drought-tolerant cereal commonly grown for grain and fodder in arid areas throughout the world. Senegalese millet fields are infested with Helicotylenchus. The native evergreen woody shrub Piliostigma retic-ulatum is widely distributed in sub-Saharan Africa. Its coppiced residues are used by small farmers as m...
Poster
Full-text available
Carbone des Sols pour une agriculture durable en Afrique Un réseau né d'une collaboration entre chercheurs africains et européens convaincus de la nécessité de considérer le carbone du sol. L'objectif du réseau est de contribuer à une meilleure prise en considération du carbone des sols pour une agriculture durable en Afrique.  Quantifier la capac...
Conference Paper
Full-text available
In the context of environmental and socio-economic changes, sub-Saharan African countries will have to ensure their food security, while reducing its environmental footprint. It is assumed that to take up the challenge of climate smart agriculture, it is necessary to intensify ecological processes of agrosocioecosystems at the scales of the soil-pl...
Article
Full-text available
This study characterized specific changes in the millet root zone microbiome stimulated by long term woody shrub intercropping at different sites in Senegal. At the two study sites, intercropping with woody shrubs and shrub residue resulted in a significant increase in millet (Pennisetum glaucum (L.) R. Br.) yield (P<0.05) and associated patterns o...
Article
Full-text available
Les ions orthophosphates (Pi) représentent les seules formes de phosphore (P) utilisable par les cultures. Dans les sols, ils sont généralement présents à de faibles concentrations dans la solution, en raison des nombreux processus géochimiques contraignant leur mobilité et disponibilité. Les plantes et les micro-organismes associés, au travers de...