{"type": "FeatureCollection", "features": [{"id": "10.1006/jare.1998.0475", "type": "Feature", "geometry": null, "properties": {"license": "Open Access", "updated": "2026-07-26T16:14:06Z", "type": "Journal Article", "created": "2002-10-07", "title": "Effects Of Livestock Grazing On Physical And Chemical Properties Of Sandy Soils In Sahelian Rangelands", "description": "The effects of grazing by livestock on soil surface features, bulk density and chemical properties were studied at the completion of a 4-year grazing experiment carried out in SadoreH, Niger. Grazing treatments were a factorial arrangement of two stocking rates (62\u00b75 and 125 kg live weight ha~1) and four sheep:goat ratios (0:6, 2:4, 4:2 and 6:0 animals per pasture), with two pastures per treatment and two ungrazed controls. Observations were also made in a fallow subjected to 9 years of intense and uncontrolled mixed grazing, and in a site that had been protected from grazing for 15 years. The topsoil was sampled (at depths of 0\u20132, 2\u20136, 6\u201314 and 14\u201330 cm) below shrub canopy in herbaceous vegetation and in bare soil patches within each of 20 paddocks for determination of pH, organic C, and total N and P concentrations. Soil bulk density was measured in a subset of soil profiles. The areal extent of different types of soil crusts and other soil surface features was assessed in one-half of the paddocks. Grazing resulted in a reduction (p(0\u00b701) and fragmentation of the area of crusted soils. However, this trend was partially compensated for by an increase of newly formed crusts. As a result, the soil infiltration index slightly increased with moderate grazing, but decreased at higher stocking rates. Compaction due to trampling was observed in the topsoil beneath the shrub canopy and also in vegetated patches, but only under intense grazing pressure. Soil bulk density was not affected by grazing except for an increase observed below 10 cm depth at the understorey of shrubs which is therefore unlikely due to trampling. When compared to the ungrazed control, pH, organic C and N concentrations, and to lesser extent P concentration, decreased after 4 years of grazing. Soil P and pH further decreased after 9 years of very high grazing pressure. However, neither N nor organic C decreased further.", "keywords": ["Technology", "570", "Economics", "PH", "630", "PROPRIETE CHIMIQUE", "AZOTE", "sandy soils", "grazing", "2. Zero hunger", "DENSITE", "SURFACE DU SOL", "MATIERE ORGANIQUE", "PATURAGE", "PHOSPHORE", "Production", "ETUDE D'IMPACT", "Agriculture-Farming", "CYCLE D'ELEMENT", "04 agricultural and veterinary sciences", "15. Life on land", "GRANULOMETRIE", "rangelands", "CARBONE ORGANIQUE", "livestock", "soil chemical properties", "BILAN HYDROLOGIQUE", "soil physical properties", "ETUDE EXPERIMENTALE", "0401 agriculture", " forestry", " and fisheries", "soil types", "CROUTE D'ALTERATION"]}, "links": [{"href": "https://doi.org/10.1006/jare.1998.0475"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Journal%20of%20Arid%20Environments", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1006/jare.1998.0475", "name": "item", "description": "10.1006/jare.1998.0475", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1006/jare.1998.0475"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "1999-03-01T00:00:00Z"}}, {"id": "10.1007/s00374-005-0039-4", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:14:19Z", "type": "Journal Article", "created": "2005-11-10", "title": "Effect Of The Exotic Invasive Plant Solidago Gigantea On Soil Phosphorus Status", "description": "Invasions by exotic plant species can modify biogeochemical cycles and soil properties. We tested whether invasion by early goldenrod (Solidago gigantea, Asteraceae) modifies soil phosphorus pools at three sites in Belgium. Aboveground phytomass and soil samples (0\u201310 cm) were collected in early goldenrod patches and in adjacent, uninvaded, grassland vegetation. Soil P fractions varied between the three sites in line with corresponding differences in organic matter, carbonate and clay contents. In addition to site-specific impacts, plots invaded by goldenrods generally had higher concentrations of labile P [i.e. resin-extractable inorganic P (Pi) and bicarbonate-extractable Pi and organic P]. Soil CO2 release and alkaline and acid phosphomonoesterase activities were also higher in invaded plots, suggesting that the increase in labile Pi was due to enhanced mineralization. Phosphorus uptake by vegetation was 1.7\u20132.1 times higher in invaded plots, mostly due to the higher annual yield of S. gigantea. Altogether, the results indicate that S. gigantea enhances P turnover rates in invaded ecosystems.", "keywords": ["0106 biological sciences", "ESPECE ALLOGENE", "SOL", "INVASION", "PHOSPHORE", "MINERALISATION", "INTRODUCTION D'ESPECES", "04 agricultural and veterinary sciences", "Sciences bio-m\u00e9dicales et agricoles", "PLANTE", "15. Life on land", "01 natural sciences", "Sequential phosphorus fractionation", "Soil phosphorus availability", "[SDE.MCG] Environmental Sciences/Global Changes", "AZOTE", "0401 agriculture", " forestry", " and fisheries", "Early goldenrod", "Ecologie [v\u00e9g\u00e9tale]", "ESPECE ENVAHISSANTE", "Phosphomonoesterase activity", "Biological invasion"]}, "links": [{"href": "https://doi.org/10.1007/s00374-005-0039-4"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Biology%20and%20Fertility%20of%20Soils", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1007/s00374-005-0039-4", "name": "item", "description": "10.1007/s00374-005-0039-4", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1007/s00374-005-0039-4"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2005-11-10T00:00:00Z"}}, {"id": "10.1016/j.agee.2010.01.017", "type": "Feature", "geometry": null, "properties": {"license": "Open Access", "updated": "2026-07-26T16:15:10Z", "type": "Journal Article", "created": "2010-02-26", "title": "Resilience Of Acid Subalpine Grassland To Short-Term Liming And Fertilisation", "description": "Une exp\u00e9rience de fertilisation a d\u00e9but\u00e9 en 1989 dans les Alpes fran\u00e7aises, sur une prairie acidophile situ\u00e9e \u00e0 2000 m d'altitude, o\u00f9 de la chaux (\u00ab chaulage \u00bb) et des scories enrichies par chlorure de potassium (\u00ab fertilisation \u00bb) ont \u00e9t\u00e9 apport\u00e9s jusqu'en 1992. Depuis, aucun autre amendement n'a \u00e9t\u00e9 appliqu\u00e9. En 2007 nous avons revisit\u00e9 l'exp\u00e9rience et avons observ\u00e9 que le pH du sol \u00e9tait toujours sensiblement plus haut sur les placettes chaul\u00e9es, alors que les concentrations du sol en azote (N) \u00e9taient inf\u00e9rieures dans ces m\u00eames placettes. Sur les placettes fertilis\u00e9es, le carbone du sol (C) et les concentrations en N \u00e9taient inf\u00e9rieurs compar\u00e9s aux placettes non-fertilis\u00e9es. Cependant, la qualit\u00e9 de la liti\u00e8re (concentrations en C et N, donn\u00e9es SPIRS) \u00e9tait semblable pour les deux traitements. La composition floristique, mais pas la richesse sp\u00e9cifique, s'est r\u00e9v\u00e9l\u00e9e \u00eatre diff\u00e9rente entre les placettes chaul\u00e9es et non-chaul\u00e9es, et les placettes fertilis\u00e9es et non-fertilis\u00e9es. Ces changements sont probablement dus \u00e0 la diminution de la proportion de gramin\u00e9es acidophiles autrefois dominantes et \u00e0 une augmentation des plantes g\u00e9n\u00e9ralistes et meilleures fourrag\u00e8res. Cependant, ces changements n'ont pas influenc\u00e9 la productivit\u00e9. Les concentrations en N et C et les donn\u00e9es de SPIRS ont indiqu\u00e9 une modification de la composition chimique de la v\u00e9g\u00e9tation en r\u00e9ponse aux traitements. Nous concluons que trois ann\u00e9es de fertilisation et chaulage ont influenc\u00e9 la composition floristique et men\u00e9 \u00e0 une banalisation de la v\u00e9g\u00e9tation encore visible 15 ann\u00e9es plus tard. Ces changements sont probablement durables \u00e9tant donn\u00e9 les modifications du fonctionnement du sol qu'ils ont engendr\u00e9es.", "keywords": ["[SDE] Environmental Sciences", "2. Zero hunger", "0106 biological sciences", "ECOSYSTEME", "PH", "PHOSPHORE", "ALPES FRANCAISES", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "RESILIENCE ECOLOGIQUE", "[SDE.BE] Environmental Sciences/Biodiversity and Ecology", "FERTILISATION", "0401 agriculture", " forestry", " and fisheries", "EXPERIMENTATION", "RELATION SOL PLANTE"]}, "links": [{"href": "https://doi.org/10.1016/j.agee.2010.01.017"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agriculture%2C%20Ecosystems%20%26amp%3B%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.agee.2010.01.017", "name": "item", "description": "10.1016/j.agee.2010.01.017", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.agee.2010.01.017"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-04-15T00:00:00Z"}}, {"id": "10.3389/fnut.2016.00019", "type": "Feature", "geometry": null, "properties": {"license": "Open Access", "updated": "2026-07-26T16:20:35Z", "type": "Journal Article", "created": "2016-06-16", "title": "Drivers Of Plant-Availability Of Phosphorous From Thermally Conditioned Sewage Sludge As Assessed By Isotopic Labeling", "description": "Urban sewage sludge is a potential source of phosphorus (P) for agriculture and represents an alternative way to recycle P as fertilizer. However, the use of thermally conditioned sewage sludge (TCSS) required an accurate assessment of its value as P-fertilizer. This work aimed at assessing the plant-availability of P from TCSS. Uptake of P by a mixture of ryegrass and fescue from TCSS and triple super phosphate (TSP) fertilizers was studied using (32)P-labeling technique in a greenhouse experiment. Phosphorus was applied at the rate of 50\u2009mg P kg(-1).We also conducted incubation experiments considering the same treatments to assess soil microbial respiration. Applications of TCSS and TSP increased plant P uptake that is related to the root P acquisition. The P taken up by plant from soil plant-available P was lower for control compared to TSP or TCSS that was attributed to the increase of root interception of soil P. The contribution of TSP to ryegrass nutrition (Pdff%) was 55% with 22% of the applied P which was taken up by plants (CPU%). The Pdff value for TCSS was 56% with 14% of fertilizer P recovery (CPU%). Shoot biomass and total P uptake from TCSS were lower than those from TSP. As a result, the agronomic effectiveness of TCSS calculated from Pdff value (in comparison with TSP treatment) was 102%, while the AE of TCSS estimated from CPU value (in % TSP) was 64%, which is attributed to microbial activity stimulation inducing P immobilization onto soil constituents and microbial biomass during plant growth. The high C/N ratio of TCSS stimulated soil microbial biomass that competes with plant roots to acquire nutrients, such as P. As a consequence, the P taken up from either native soil or TCSS decreased in similar proportions. The AE value calculated with Pdff% took into account these interactions between soil, plant, and microbial biomass, and is less dependent on operational conditions than the AE value calculated with %Precovery.", "keywords": ["[SDV.SA]Life Sciences [q-bio]/Agricultural sciences", "ryegrass", "recyclage des d\u00e9chets", "microbial P", "soil respiration", "7. Clean energy", "12. Responsible consumption", "ray-grass", "f\u00e9tuque", "waste recycling", "disponibilit\u00e9 en phosphore", "Nutrition", "580", "2. Zero hunger", "P immobilization", "[SDV.SA] Life Sciences [q-bio]/Agricultural sciences", "traitement des boues", "sewage sludge", "04 agricultural and veterinary sciences", "15. Life on land", "fertilizer", "6. Clean water", "plant-available P", "engrais", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "32P-labeling technique"]}, "links": [{"href": "https://doi.org/10.3389/fnut.2016.00019"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Frontiers%20in%20Nutrition", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.3389/fnut.2016.00019", "name": "item", "description": "10.3389/fnut.2016.00019", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.3389/fnut.2016.00019"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2016-06-16T00:00:00Z"}}, {"id": "10.15454/QSXKGA", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:19:29Z", "type": "Dataset", "title": "Analyses physico-chimiques des sites du R\u00e9seau de Mesures de la Qualit\u00e9 des Sols (RMQS) du territoire m\u00e9tropolitain pour la 1\u00e8re campagne (2000-2009), avec coordonn\u00e9es th\u00e9oriques", "description": "Le R\u00e9seau de mesures de la qualit\u00e9 des sols (RMQS) est un programme national d\u2019\u00e9valuation et de suivi \u00e0 long terme de la qualit\u00e9 des sols fran\u00e7ais. Ce r\u00e9seau repose sur le suivi de 2240 sites repr\u00e9sentatifs des sols fran\u00e7ais et de leurs occupations, r\u00e9partis sur l\u2019ensemble du territoire fran\u00e7ais (m\u00e9tropole et outre-mer) selon une grille syst\u00e9matique de 16 km de c\u00f4t\u00e9. Les sites recouvrent diverses occupations (grandes cultures, prairies permanentes, for\u00eats, vignes et vergers, milieux peu anthropis\u00e9s, parcs urbains). Des propri\u00e9t\u00e9s physiques, chimiques et biologiques des sols sont mesur\u00e9es sur chaque site, par campagne. Ces analyses sont associ\u00e9es \u00e0 la recherche des facteurs explicatifs de la variabilit\u00e9 spatiale et temporelle des propri\u00e9t\u00e9s des sols (variables biophysiques, sources de contamination, historique de l\u2019occupation et des pratiques de gestion de chaque site). La premi\u00e8re campagne de pr\u00e9l\u00e8vement en m\u00e9tropole s'est d\u00e9roul\u00e9e de 2000 \u00e0 2009. Cette campagne, ax\u00e9e sur la contamination des sols, a permis de cartographier les principaux param\u00e8tres p\u00e9dologiques (28 variables) ainsi que les teneurs en 12 \u00e9l\u00e9ments traces m\u00e9talliques (ETM) en extraction totale ou partielle et 70 polluants organiques persistants. L\u2019ensemble des pr\u00e9l\u00e8vements, mesures et observations r\u00e9alis\u00e9s sur chaque site durant cette campagne est d\u00e9taill\u00e9 dans le Manuel de la premi\u00e8re campagne du R\u00e9seau de Mesures de la Qualit\u00e9 des Sols . La deuxi\u00e8me campagne a d\u00e9marr\u00e9 en 2016 et devrait s\u2019\u00e9tendre sur 12 ans. Le jeu de donn\u00e9es fourni comprend les r\u00e9sultats d\u2019analyses issus de 2171 sites de m\u00e9tropole, r\u00e9partis sur 2146 cellules et correspondant \u00e0 la premi\u00e8re campagne RMQS (2000 -2009) et pour les param\u00e8tres suivants : granulom\u00e9trie 5 fractions, carbone et azote totaux, capacit\u00e9 d\u2019\u00e9change cationique et cations \u00e9changeables, calcaire total, pH eau, phosphore assimilable (P2O5), fer libre, \u00e9l\u00e9ments majeurs totaux et \u00e9l\u00e9ments traces m\u00e9talliques totaux et une partie des ETM en extraction partielle, conductivit\u00e9 \u00e9lectrique et \u00e9l\u00e9ments solubles \u00e0 l\u2019eau pour une s\u00e9lection de sites concern\u00e9s. Les analyses ont \u00e9t\u00e9 r\u00e9alis\u00e9es sur des \u00e9chantillons composites pr\u00e9lev\u00e9s \u00e0 la tari\u00e8re selon deux couches de pr\u00e9l\u00e8vement (0-30 cm ou couche travaill\u00e9e en sol cultiv\u00e9, appel\u00e9e composite de surface ou composite 1 et la couche sous-jacente jusqu\u2019\u00e0 50 cm, appel\u00e9e composite de sub-surface ou composite 2). Chaque \u00e9chantillon composite a \u00e9t\u00e9 constitu\u00e9 \u00e0 partir du m\u00e9lange de 25 pr\u00e9l\u00e8vements individuels pr\u00e9lev\u00e9s sur une surface d\u2019\u00e9chantillonnage de 400 m\u00b2 selon un plan d\u2019\u00e9chantillonnage al\u00e9atoire stratifi\u00e9 (voir description dans le manuel du RMQS). Une troisi\u00e8me couche de pr\u00e9l\u00e8vement issue d\u2019\u00e9chantillons composites a pu \u00eatre constitu\u00e9e en for\u00eat ou en prairie, \u00e0 partir des horizons holorganiques (correspondant aux horizons p\u00e9dologiques OF et OH) lorsque ces horizons \u00e9taient suffisamment \u00e9pais (au moins 1 cm) et continus sur la surface d\u2019\u00e9chantillonnage. English version The French Soil Quality Monitoring Network (RMQS) is a national program for the assessment and long-term monitoring of the quality of French soils. This network is based on the monitoring of 2240 sites representative of French soils and their land use. These sites are spread over the whole French territory (metropolitan and overseas) along a systematic square grid of 16 km x 16 km cells. The network covers a broad spectrum of climatic, soil and land-use conditions (croplands, permanent grasslands, woodlands, orchards and vineyards, natural or scarcely anthropogenic land and urban parkland). The physical, chemical and biological properties of the soil are measured on each site, during the first campaign et presently on the second campaign. The spatial and temporal variability of soil properties are explained by biophysical variables, sources of contamination, history of land-use and management practices on each plot. The first sampling campaign in metropolitan France took place from 2000 to 2009. This campaign focused on soil contamination assessment and made it possible to map key soil parameters (28 variables) as well as 12 trace metal elements and 70 persistent organic pollutants. The sampling method, measurements and observations on each site are described in the \u201cRMQS guidelines\u201d1 (in French: \u201cmanuel du RMQS\u201d). The second campaign started in 2016 and should last 12 years. The dataset includes the results of soil analyses from 2171 sites, spread over 2146 cells and corresponding to the first RMQS campaign (2000-2009). Analysed parameters are particle size analysis (5 fractions), total carbon and nitrogen, cation exchange capacity and exchangeable cations, total calcium carbonates, pH in water, available P2O5, free iron, total major elements and trace elements (total and partial extraction). The soil tests were carried out on composite samples collected with an auger at two sampling layers: 0-30 cm or cultivated layer named \u201cupper layer\u201d or \u201clayer 1\u201d and 30-50 cm named \u201csubsoil layer\u201d or \u201clayer 2\u201d. Each composite sample was made up of 25 individual sample cores taken on a sampling area of 400 m\u00b2, using an unaligned systematic sampling design (see description in the RMQS guidelines). In some cases a third layer was made up of holorganic layers in forests or meadows, corresponding to pedological horizons OF and OH, when these layers were sufficiently thick, (at least 1 cm) and continuous over the sampling area.", "keywords": ["Earth and Environmental Science", "sol", "pH du sol", "p\u00e9dologie (geosciences)", "TER sciences du sol", "capacit\u00e9 d \u00e9change cationique", "fer", "carbonate", "granulom\u00e9trie du sol", "Earth and Environmental Sciences", "conductivit\u00e9 \u00e9lectrique", "p\u00e9dologie geosciences", "carbone du sol", "phosphore du sol", "Environmental Research", "Natural Sciences", "capacit\u00e9 d'\u00e9change cationique", "azote du sol", "Geosciences"], "contacts": [{"organization": "Institut National de la Recherche Agronomique, Association marnaise de d\u00e9veloppement agricole et viticole, Association pour la Relance Agronomique en Alsace (ARAA), Chambre D\u00e9partementale d'Agriculture des Ardennes, Chambre D\u00e9partementale d'Agriculture de l'Aube, Chambre D\u00e9partementale d'Agriculture du Calvados, Chambre D\u00e9partementale d'Agriculture de Charente, Chambre D\u00e9partementale d'Agriculture de Charente-Maritime, Chambre D\u00e9partementale d'Agriculture du Cher, Chambre D\u00e9partementale d'Agriculture de Corr\u00e8ze, Chambre D\u00e9partementale d'Agriculture de la C\u00f4te d'Or, Chambre D\u00e9partementale d'Agriculture de Creuse, Chambre D\u00e9partementale d'Agriculture des Deux-S\u00e8vres, Chambre D\u00e9partementale d'Agriculture de l'Eure, Chambre D\u00e9partementale d'Agriculture de l'Eure-et-Loir, Chambre D\u00e9partementale d'Agriculture de Haute-Marne, Chambre D\u00e9partementale d'Agriculture de Haute-Vienne, Chambre D\u00e9partementale d'Agriculture de l'Indre, Chambre D\u00e9partementale d'Agriculture de Loire-Atlantique, Chambre D\u00e9partementale d'Agriculture de Mayenne, Chambre D\u00e9partementale d'Agriculture de la Manche, Chambre D\u00e9partementale d'Agriculture de Mayenne, Chambre D\u00e9partementale d'Agriculture de la Ni\u00e8vre, Chambre D\u00e9partementale d'Agriculture de l'Orne, Chambre D\u00e9partementale d'Agriculture de Sa\u00f4ne-et-Loire, Chambre D\u00e9partementale d'Agriculture de Seine-et-Marne, Chambre D\u00e9partementale d'Agriculture de Seine-Maritime, Chambre D\u00e9partementale d'Agriculture de Vend\u00e9e, Chambre D\u00e9partementale d'Agriculture de la Vienne, Chambre D\u00e9partementale d'Agriculture de l'Yonne, Chambre R\u00e9gionale d'Agriculture de Bretagne, Chambre R\u00e9gionale d'Agriculture de Lorraine, Chambre R\u00e9gionale d'Agriculture de Picardie, Chambre R\u00e9gionale d'Agriculture de Poitou-Charentes, Conseil G\u00e9n\u00e9ral de Mayenne, \u00c9cole nationale d'ing\u00e9nieurs des travaux agricoles de Bordeaux (ENITAB), EDIACARA, \u00c9tablissement national d'enseignement sup\u00e9rieur agronomique de Dijon (ENESAD), Genevois-Gomendy-Sol et Environnement, Groupe R\u00e9gional Agronomie P\u00e9dologie Environnement (GRAPE Franche-Comt\u00e9), Institut Forestier National (IFN), Institut National d'Horticulture d'Angers (INH), Institut National Polytechnique - Ecole Nationale Sup\u00e9rieure d'Agronomie de Toulouse (INP-ENSAT), Institut Sup\u00e9rieur d'Agriculture de Lille (ISA), SCITERRE, Soci\u00e9t\u00e9 du Canal de Provence et d'Am\u00e9nagement de la R\u00e9gion Proven\u00e7ale (SCP), Sol Info Rh\u00f4ne Alpes - Chambre R\u00e9gionale d'Agriculture de Rh\u00f4ne-Alpes (SIRA),", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.15454/QSXKGA"}, {"rel": "self", "type": "application/geo+json", "title": "10.15454/QSXKGA", "name": "item", "description": "10.15454/QSXKGA", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.15454/QSXKGA"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2021-01-01T00:00:00Z"}}, {"id": "10.5194/gmd-10-3745-2017", "type": "Feature", "geometry": null, "properties": {"updated": "2026-07-26T16:21:48Z", "type": "Journal Article", "created": "2017-10-12", "title": "A representation of the phosphorus cycle for ORCHIDEE (revision\u00a04520)", "description": "<p>Abstract. Land surface models rarely incorporate the terrestrial phosphorus cycle and its interactions with the carbon cycle, despite the extensive scientific debate about the importance of nitrogen and phosphorus supply for future land carbon uptake. We describe a representation of the terrestrial phosphorus cycle for the ORCHIDEE land surface model, and evaluate it with data from nutrient manipulation experiments along a\uffc2\uffa0soil formation chronosequence in Hawaii.  ORCHIDEE accounts for the influence of the nutritional state of vegetation on tissue nutrient concentrations, photosynthesis, plant growth, biomass allocation, biochemical (phosphatase-mediated) mineralization, and biological nitrogen fixation. Changes in the nutrient content (quality) of litter affect the carbon use efficiency of decomposition and in return the nutrient availability to vegetation. The model explicitly accounts for root zone depletion of phosphorus as a function of root phosphorus uptake and phosphorus transport from the soil to the root surface.  The model captures the observed differences in the foliage stoichiometry of vegetation between an early (300-year) and a late (4.1\uffe2\uff80\uffafMyr) stage of soil development. The contrasting sensitivities of net primary productivity to the addition of either nitrogen, phosphorus, or both among sites are in general reproduced by the model. As observed, the model simulates a preferential stimulation of leaf level productivity when nitrogen stress is alleviated, while leaf level productivity and leaf area index are stimulated equally when phosphorus stress is alleviated. The nutrient use efficiencies in the model are lower than observed primarily due to biases in the nutrient content and turnover of woody biomass.  We conclude that ORCHIDEE is able to reproduce the shift from nitrogen to phosphorus limited net primary productivity along the soil development chronosequence, as well as the contrasting responses of net primary productivity to nutrient addition.                     </p>", "keywords": ["Biomass (ecology)", "Chronosequence", "Organic chemistry", "chronos\u00e9quence", "Plant Science", "mod\u00e8le", "Nitrogen cycle", "01 natural sciences", "Nutrient cycle", "Agricultural and Biological Sciences", "Soil water", "Pathology", "2. Zero hunger", "QE1-996.5", "Global and Planetary Change", "Orchidee", "Ecology", "Physics", "Life Sciences", "Geology", "Phosphorus", "Carbon cycle", "Chemistry", "nutrition", "Physical Sciences", "Medicine", "[SDU.STU.GP] Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph]", "Ecosystem Functioning", "Vegetation (pathology)", "cycle du carbone", "570", "[SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph]", "Nitrogen", "hawai", "Soil Science", "mod\u00e8le orchid\u00e9e", "Environmental science", "vegetation", "phosphore du sol", "Biology", "Ecosystem", "0105 earth and related environmental sciences", "Soil science", "Soil Fertility", "ddc:550", "Global Forest Drought Response and Climate Change", "surface terrestre", "Plant Nutrient Uptake and Signaling Pathways", "15. Life on land", "Agronomy", "hawaii", "13. Climate action", "FOS: Biological sciences", "Environmental Science", "Soil Carbon Dynamics and Nutrient Cycling in Ecosystems", "Nutrient"]}, "links": [{"href": "https://gmd.copernicus.org/articles/10/3745/2017/gmd-10-3745-2017.pdf"}, {"href": "https://doi.org/10.5194/gmd-10-3745-2017"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Geoscientific%20Model%20Development", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.5194/gmd-10-3745-2017", "name": "item", "description": "10.5194/gmd-10-3745-2017", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.5194/gmd-10-3745-2017"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2017-10-12T00:00:00Z"}}, {"id": "10.57745/HRCQL8", "type": "Feature", "geometry": null, "properties": {"license": "Open Access", "updated": "2026-07-26T16:24:09Z", "type": "Dataset", "title": "Unite Exp\u00e9rimentale RGCO de Ploudaniel  : Donn\u00e9es collect\u00e9es dans le cadre des \u00e9tudes de sol du r\u00e9seau CAREX", "description": "Ces donn\u00e9es ont \u00e9t\u00e9 cr\u00e9\u00e9es pour la caract\u00e9risation des sols et de leurs propri\u00e9t\u00e9s de l'Unit\u00e9 Exp\u00e9rimentale INRAE RGCO de Ploudaniel. L\u2019\u00e9tude a port\u00e9 sur 67 ha. Les donn\u00e9es contiennent des informations ponctuelles issues d\u2019observations et d\u2019analyses sur 69 sondages et 14 profils p\u00e9dologiques. Le jeu de donn\u00e9es contient \u00e9galement des donn\u00e9es surfaciques : r\u00e9sistivit\u00e9s \u00e9lectriques spatiales, carte des types de sols classifi\u00e9s par Unit\u00e9s Typologiques de Sols (UTS).", "keywords": ["pH du sol", "structure du sol", "potentiel matriciel", "masse volumique du sol", "horizon", "type de sol", "carbonate", "carbone organique du sol", "propriet\u00e9s physico-chimiques du sol", "g\u00e9ologie", "phosphore du sol", "azote total", "point de fl\u00e9trissement permanent", "carte p\u00e9dologique", "r\u00e9tention hydrique du sol", "propriet\u00e9 hydrique du sol", "capacit\u00e9 au champ", "teneur en argile", "carbone total", "granulom\u00e9trie du sol", "hydromorphie", "Earth and Environmental Sciences", "r\u00e9f\u00e9rentiel p\u00e9dologique", "unit\u00e9 typologique de sol UTS", "r\u00e9sisitivit\u00e9 \u00e9l\u00e9ctrique", "capacit\u00e9 d'\u00e9change cationique", "texture", "occupation du sol"], "contacts": [{"organization": "Mistou Marie-Noel, Girot Ghislain, Seger Maud, Laloua Didier, Le Lay Christian, Gaillard Herv\u00e9, Heller Renaud, Sherif Rehanna, Kermarrec Dominique, Levardois Kevin, Chauvin Jean-Eric,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.57745/HRCQL8"}, {"rel": "self", "type": "application/geo+json", "title": "10.57745/HRCQL8", "name": "item", "description": "10.57745/HRCQL8", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.57745/HRCQL8"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2024-01-01T00:00:00Z"}}], "links": [{"rel": "self", "type": "application/geo+json", "title": "This document as GeoJSON", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=PHOSPHORE&f=json", "hreflang": "en-US"}, {"rel": "alternate", "type": "text/html", "title": "This document as HTML", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=PHOSPHORE&f=html", "hreflang": "en-US"}, {"rel": "collection", "type": "application/json", "title": "Collection URL", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main", "hreflang": "en-US"}, {"type": "application/geo+json", "rel": "first", "title": "items (first)", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=PHOSPHORE&", "hreflang": "en-US"}, {"rel": "last", "type": "application/geo+json", "title": "items (last)", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=PHOSPHORE&offset=7", "hreflang": "en-US"}], "numberMatched": 7, "numberReturned": 7, "distributedFeatures": [], "timeStamp": "2026-07-26T18:59:22.904329Z"}