{"title":"OZCAR-RI AgrHyS Environmental Research Observatory - France","id":{"prefix":"https:\/\/deims.org\/","suffix":"b6057240-0a85-41e1-8f9e-17b1ee3bf66d"},"type":"site","created":"2013-12-10T09:01:27+01:00","changed":"2024-04-09T22:31:14+02:00","attributes":{"affiliation":{"networks":[{"network":{"name":"Critical Zone Collaborative Network (CZ Net)","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"fda96130-91b3-42e6-8c85-2b8879986070"}},"siteCode":null,"verified":false},{"network":{"name":"ILTER","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"1aa7ccb2-a14b-43d6-90ac-5e0a6bc1d65b"}},"siteCode":null,"verified":true},{"network":{"name":"LTER Europe","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"4742ffca-65ac-4aae-815f-83738500a1fc"}},"siteCode":null,"verified":true},{"network":{"name":"LTER France","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"d8d9206f-b1bd-4f90-84b7-8c662d4235a2"}},"siteCode":"CZO_EU_FR_010","verified":true},{"network":{"name":"OZCAR RI","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"3439de4e-c64d-4a97-bed0-7e27fadbcb7b"}},"siteCode":null,"verified":true}],"projects":[{"label":"eLTER PLUS (H2020) - RA","uri":"https:\/\/doi.org\/10.3030\/871128"},{"label":"eLTER PLUS (H2020) - TA","uri":"https:\/\/doi.org\/10.3030\/871128"}]},"contact":{"siteManager":[{"type":"person","name":"Ophelie FOVET","email":"ophelie.fovet@inrae.fr","orcid":" https:\/\/orcid.org\/0000-0003-2359-000X"}],"operatingOrganisation":null,"metadataProvider":[{"type":"person","name":"Laurent RUIZ","email":"Laurent.Ruiz@inrae.fr","orcid":null}],"fundingAgency":null,"siteUrl":[{"title":null,"value":"https:\/\/www6.inrae.fr\/ore_agrhys_eng"}]},"general":{"abstract":"The ERO AgrHyS aims at studying the response time of hydro-chemical fluxes to the evolution of AgroHydroSystems. An AgroHydroSystem is considered as a catchment that is influence by agricultural activity. The ERO AgrHyS is conducted by the laboratory INRA-Agrocampus Sol, Agro-hydroSystems of Rennes. Two other labs, Geosciences Rennes and COSTEL Rennes, are associated to the ERO AgrHyS. It is part of the observation set-ups of the Observatory of the Sciences of the Universe of Rennes OSUR.","citation":null,"relatedIdentifiers":null,"status":{"label":"Operational","uri":"http:\/\/vocabs.lter-europe.net\/elter_cl\/10772"},"yearEstablished":1993,"yearClosed":null,"relatedSites":[{"typeOfRelationship":{"label":"belongs to","uri":"null"},"listOfSites":[{"type":"site","title":"LTSER Zone Atelier Armorique - France","id":{"prefix":"https:\/\/deims.org\/","suffix":"31e67a47-5f15-40ad-9a72-f6f0ee4ecff6"},"changed":"2025-01-09T22:46:53+0100"}]},{"typeOfRelationship":{"label":"contains","uri":"null"},"listOfSites":[{"type":"site","title":"OZCAR-RI AgrHyS Environmental Research Observatory Site of Kerbernez - France","id":{"prefix":"https:\/\/deims.org\/","suffix":"90b41a69-5fa8-402e-a82d-0b861faab304"},"changed":"2024-04-09T22:31:36+0200"},{"type":"site","title":"OZCAR-RI AgrHyS Environmental Research Observatory Site of Kervidy-Naizin - France","id":{"prefix":"https:\/\/deims.org\/","suffix":"9602b733-7bb8-4f51-9857-2c73c53edee3"},"changed":"2024-04-09T22:30:39+0200"}]}],"siteName":"OZCAR-RI AgrHyS Environmental Research Observatory","shortName":"AgrHys","siteType":"Stationary land-based site","protectionLevel":null,"landUse":null,"images":[{"url":"https:\/\/deims.org\/sites\/default\/files\/photos\/agrhys-environmental-research-observatory-france_4491.png","alt":"Location of AgrHys subsites"},{"url":"https:\/\/deims.org\/sites\/default\/files\/photos\/agrhys-environmental-research-observatory-france_4492.png","alt":"Kervidy-Naizin"},{"url":"https:\/\/deims.org\/sites\/default\/files\/photos\/agrhys-environmental-research-observatory-france_4493.png","alt":"Kerbernez sub site"},{"url":"https:\/\/deims.org\/sites\/default\/files\/photos\/agrhys-environmental-research-observatory-france_4490.jpg","alt":"Kerbernez site _ credit photo L Ruiz"}]},"environmentalCharacteristics":{"airTemperature":{"yearlyAverage":11,"monthlyAverage":null,"unit":"\u00b0C","referencePeriod":null},"precipitation":{"yearlyAverage":800,"monthlyAverage":null,"unit":"mm","referencePeriod":null},"biogeographicalRegion":"atlantic","biome":"agricultural","ecosystemType":[{"label":"Agricultural","uri":null}],"eunisHabitat":[{"label":"Arable land and market gardens (I1)","uri":null},{"label":"Intensive unmixed crops (I1.1)","uri":null},{"label":"Regularly or recently cultivated agricultural, horticultural and domestic habitats (I)","uri":null}],"landforms":null,"geoBonBiome":["Fresh water rivers","Terrestrial"],"geology":"The geological bedrock of the catchment of Kervidy-Naizin is composed of fissured and fractured upper Proterozoic schists. The soils, developed into a loamy material derived from weathered schists and eolian Quaternary deposits, exhibit facies variations, which are locally dominated by silt, clay or sanstone materials. The mineralogical composition of schist, as determined from drill cutting analysis, include (in decreasing relative proportion): quartz, muscovite, chlorite, K-feldspar and plagioclase (Pauwels et al ., 1998).","hydrology":"Annual specific discharge varies mainly due to precipitation variations from 200 to 800 mm. Seasonal variation of discharge are classically reaching a maximum in winter, sometimes exceeding 1m3\/s and very low flows in summer where the stream may eventually dries out.","soils":"The soil horizons whose total thickness may be highly variable at the scale of the catchment (from 35 to roughly 5 m) comprise a large number of secondary mineral phases including illite, smectite, kaolinite, various Fe-oxides and Fe-oxi-hydroxides (hematite, goethite,...) and Mn oxides. The soils are organized following the topography with well-drained ?Luvisols? in the upland areas while in bottomlands poorly-drained domains consist of \u00b4Luvisols ?Redoxisols\u00b4 and \u00b4Luvisols ? Redoxisols d\u00e9grad\u00e9s\u00b4 resulting from an increasing development of hydromorphy and degradation in originally well-drained horizons due to an excess of water of topographical origin. These soils are acid (pH from 5 to 7 in surface, from 4.6 to 6.7 in the regolith). The content of organic matter varies from 2.5-6.5% in the upper layers to 0.3-2% in deeper zones and in the regolith. Organic layers are 30-40 cm deep. The hydraulic conductivity is around 10-5 m\/s in upslope soils to 10-6 m\/s in bottolands. The weathered zone is 1 to more than 30 m deep and its hydraulic conductivity is between 4.10-5 and 2.10-6 m\/s. The conductivity of the geological bedrock is estimated around 3.5 10-6 m\/s (Pauwels et al., 1996).","vegetation":"agriculture. 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