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
ofsp
, containing the map
Details
Variables of buech$tab1
and buech$tab2
are the following ones:
pH ;
Conductivity (\mu
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))
}