buech {ade4} | R Documentation |
This data set contains informations about Buech basin characteristics.
data(buech)
buech
is a list with the following components :
: a data frame with 10 environmental variables collected on 31 sites in Juin (1984)
: a data frame with 10 environmental variables collected on 31 sites in September (1984)
: a data frame with the coordinates of the sites
: an object of class neig
: a data frame for background map
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-))
Vespini, F. (1985) Contribution ? l'?tude hydrobiologique du Buech, rivi?re non am?nag?e de Haute-Provence. Th?se de troisi?me cycle, Universit? de Provence.
Vespini, F., L?gier, P. and Champeau, A. (1987) Ecologie d'une rivi?re non am?nag?e des Alpes du Sud : Le Bu?ch (France) I. Evolution longitudinale des descripteurs physiques et chimiques. Annales de Limnologie, 23, 151–164.
data(buech) if(adegraphicsLoaded()) { if(requireNamespace("sp", quiet = 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)) }