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

nb

  the neighbouring graph between sites, object of the class `nb`

Spatial

  an object of the class `SpatialPolygons` of `sp`, containing the map

### Details

Variables of `buech$tab1` and `buech$tab2` are the following ones:
pH ; Conductivity (μ S/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)
    if(adegraphicsLoaded()) {
      if(requireNamespace("sp", quietly = TRUE)) {
        g1 <- s.label(buech$xy, Sp = buech$Spatial, nb = buech$nb,
          pSp.col = "transparent", plot = FALSE)
        g2 <- s.value(buech$xy, buech$tab2$Suspens - buech$tab1$Suspens,
          Sp = buech$Spatial, nb = buech$nb, pSp.col = "transparent", plot = FALSE)
        G <- cbindADEg(g1, g2, plot = TRUE)
      }
    } else {
      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))
    }

[Package ade4 version 1.7-13 Index]