Homogeneous zone according to agro-climatic criteria that condition grassland production.This zoning was based on the results of the survey conducted by the SCEES in 1982. It was determined on the basis of the following criteria: — climate (especially l'hygrometry) — mean altitude — geology (nature of soil and subsoil). They were revised in 1998 to work on areas of at least 90,000 hectares. They serve as the basis for the Prairie Objective Information and Monitoring (ISOP) system, which provides estimates of the yields of both temporary and permanent productive grasslands.
__Origin__
aggregation of the municipalities of the BD Carto
__Partner organisations__
DRAAF Occitanie
__Links annexes__
* [XML metadata view](http://ogc.geo-ide.developpement-durable.gouv.fr/csw/all-dataset?REQUEST=GetRecordById&SERVICE=CSW&VERSION=2.0.2&RESULTTYPE=results&elementSetName=full&TYPENAMES=gmd:MD_Metadata&OUTPUTSCHEMA=http://www.isotc211.org/2005/gmd&ID=fr-120066022-jdd-3b2b0a8d-b080-4291-8071-bc97aef5875b)
* [COVADIS data standard: Small forage area](http://geostandards.developpement-durable.gouv.fr/afficherPageStandard.do?jeu=N_PR_FOURRAGERE_ZSUP)
* [basic URL of wms/wfs services on the Internet](http://ogc.geo-ide.developpement-durable.gouv.fr/wxs?map=/opt/data/carto/geoide-catalogue/1.4/org_38216/fbdae8e1-e322-4d30-9816-4806e8210e87.internet.map)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/d8ab8705d50807fc952a6b079cd7790e5d345eb6)
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