buech {ade4} | R Documentation

## Buech basin

### Description

This data set contains informations about Buech basin characteristics.

### Usage

    data(buech)

### Format

`buech` is a list with the following components :

tab1
  : a data frame with 10 environmental variables collected on 31 sites in Juin (1984)
tab2
  : a data frame with 10 environmental variables collected on 31 sites in September (1984)
xy
  : a data frame with the coordinates of the sites
neig
  : an object of class `neig`
contour
  : a data frame for background map

### Details

Variables of `buech$tab1` and `buech$tab2` are the following ones :
pH ; Conductivity (µS/cm) ; Carbonate (water hardness (mg/l CaCO3)) ; hardness (total water hardness (mg/l CaCO3)) ; Bicarbonate (alcalinity (mg/l HCO3-)) ; Chloride (alcalinity (mg/l Cl-)) ; Suspens (particles in suspension (mg/l)) ; Organic (organic particles (mg/l)) ; Nitrate (nitrate rate (mg/l NO3-)) ; Ammonia (amoniac rate (mg/l NH4-))

### Source

Vespini, F. (1985) Contribution à l'étude hydrobiologique du Buech, rivière non aménagée de Haute-Provence. Thèse de troisième cycle, Université de Provence.

Vespini, F., Légier, P. and Champeau, A. (1987) Ecologie d'une rivière non aménagée des Alpes du Sud : Le Buëch (France) I. Evolution longitudinale des descripteurs physiques et chimiques. Annales de Limnologie, 23, 151–164.

### Examples

    data(buech)
    par(mfrow = c(1,2))
    s.label(buech$xy, contour = buech$contour, neig = buech$neig)
    s.value (buech$xy, buech$tab2$Suspens-buech$tab1$Suspens,
         contour = buech$contour, neig = buech$neig, csi = 3)
    par(mfrow = c(1,1))

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