The ZA PYGAR covers the whole Garonne river basin up to the upper part of the Gironde estuary (La Reole station). Within this territory, research is structured around 4 main sites: the Pyrénées mountains, covering the upstream part of the Garonne river basin (PYRénées site), the farmland of the foothills of the Pyrénées (Vallées et Coteaux de Gascogne site), the Garonne river (Axe Fluvial Garonne site) and the basin of two tributaries of the Garonne river in the Massif Central moutains (Aveyron-Viaur site).

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General Characteristics, Purpose, History

Site Status:

existing

Year Site Established:

1980

Size :

5 200 000.00ha

Purpose of Site :

The main objective of the ZA PYGAR is to study the dynamics and resilience of socio-ecological systems (SES) from prehistoric era to nowadays. THE ZA PYGAR focuses on the interactions (nature and kinetic) between the socio-system and the ecosystem, incorporating spatial transitions along an upstream-downstream gradient, from the Pyrenees and the Massif Central to the Garonne alluvial plain.

History of Site:

This site has been set up in the 80's by the CNRS within the framework of the Interdisciplinary Research Program on the Environment (PIREN). It was called PIREN Garonne. Then in the 90's it becomes the Zone Atelier Adour-Garonne (ZAAG) including the Adour and Garonne river basins. Since 2015, the Zone Atelier Pyrénées-Garonne (ZA PYGAR) is focussed on the Garonne river basin, including the Pyrenees mountains. The ZA PYGAR was certified by the CNRS-INEE in 2017.

Research Topics:

Parameters:

Photos

Meteorological station (fluxes tower) (Photo: CESBIO)

Geographic

Coordinates:

Latitude: 43.266700000000
Longitude: 0.850000000000

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Site Details

Ecosystem and Environmental Characteristics

Elevation Range FROM:

45.00msl

Elevation Range TO:

3 404.00msl

Elevation - Average:

300.00msl

Air Temperature Range (Monthly Minimum) FROM:

5.50°C

Air Temperature Range (Monthly Maximum) TO :

5.50°C

Air Temperature: Average Annual:

12.49°C

Precipitation Minimum Monthly :

197.40mm

Precipitation Annual :

843.80mm

Precipitation Maximum Monthly :

222.60mm

Biome :

Agricultural

GEO-BON Biome:

Fresh water rivers

Terrestrial

Ecosystem and Land Use:

Agricultural
Alpine
Forest
Mixed Forest
Temperate broadleaf and mixed forests
Temperate coniferous forests
Grasslands
Temperate grasslands, savannas, and shrublands
Montane grasslands and shrublands
Rivers
Small rivers
Fresh Water Rivers
Large rivers

Biogeographic Region:

Atlantic

Geology:

calcareous & siliceous rocks; shales.

Hydrology:

nival and pluvial regime

Vegetation:

alpine & subalpine grasslands; mountain forests

Soils:

alpine soils (alpine rankers) and calcareous molassic soils

Network Affiliation and Network Specific Information

Networks/Projects:

LTER

LTER related

LTER Site Code:

LTER_EU_FR_14

LTER Site Classification/Category:

LTSER

Protection Status and Resource Management

PNR Pyrénées Ariégeoises et PNPyrénées

Management of Resources :

Yes

Management of Resources - Percent of Site:

50 - 75%

Design and Scale of Site

Site Type (Spatial Design):

Platform

Scale of Observation:

sub-catchment within catchment

Design of Observation:

mainly observation

Scale of Experiments:

plot scale

Design of Experiments:

partly experimentation

Infrastructure

Value of the Infrastructure :

100-700 k

Accessible All Year :

Yes

All parts of Site Accessible:

Yes

Access Type:

regular car

Permanent Power Supply:

Yes

Infrastructure:

Energy and data infrastructure › Data transmission › Data Transmission Type (within site) › No within site data transmission
Energy and data infrastructure › Data transmission › Data Transmission Type (from Site) › Other transmission types
Energy and data infrastructure › Energy supply › Permanent Power Produced › Less than 1 kW
Supporting infrastructure › Lodging at site › 6 - 10 beds
Supporting infrastructure › Staff room at site › 2 - 5 places
Supporting infrastructure › Transportation › Vehicle 2WD
Supporting infrastructure › Transportation › Vehicle 4WD
Observation device › Measurement tower › No tower on site
Data infrastructure › Metadata standards › DC (Dublin Core)
Data infrastructure › Metadata standards › INSPIRE MD Specification
Data infrastructure › Metadata standards › ISO19115/19139
Data infrastructure › Data storage › Structured file
Data infrastructure › Data storage › Spatial database (GIS)
Data infrastructure › Data services › Web Map Service (WMS)
Data infrastructure › Data services › Other data services

Operation

Permanent Operation:

Yes

Data Management

General Data Policy:

Co-authorship on publications resulting from use of the dataset

The opportunity to collaborate on the project using the dataset

Data Storage Location :

Metadata at French LTSER ZA and data at OMP Toulouse

Data Storage Format :

Paper

Spatial data file (GIS)

Spatial database (GIS)

XML Database

Data services :

No data service implemented

Data Request Format :

Other

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