kcponds {ade4} | R Documentation |
This data set contains informations about 33 ponds in De Maten reserve (Genk, Belgium).
data(kcponds)
area
neig
Variables of kcponds$tab
are the following ones : depth, area, O2 (oxygen concentration),
cond (conductivity), pH, Fe (Fe concentration), secchi (Secchi disk depth), N (NNO concentration),
TP (total phosphorus concentration), chla (chlorophyll-a concentration), EM (emergent macrophyte cover),
FM (floating macrophyte cover), SM (submerged macrophyte cover), denMI (total density of macroinvertebrates),
divMI (diversity macroinvertebrates)
Cottenie, K. (2002) Local and regional processes in a zooplankton metacommunity. PhD, Katholieke Universiteit Leuven, Leuven, Belgium.
http://www.kuleuven.ac.be/bio/eco/phdkarlcottenie.pdf
data(kcponds) par(mfrow=c(3,1)) area.plot(kcponds$area) s.label(kcponds$xy,add.p = TRUE, cpoi = 2, clab = 0) s.label(kcponds$xy,add.p = TRUE, cpoi = 3, clab = 0) s.label(kcponds$xy,add.p = TRUE, cpoi = 0, clab = 0, neig = kcponds$neig, cneig = 1) area.plot(kcponds$area) s.label(kcponds$xy, add.p = TRUE, clab = 1.5) w <- as.numeric(scalewt(kcponds$tab$N)) s.value(kcponds$xy, w, cleg = 2, sub = "Nitrogen concentration", csub = 4, possub = "topright", include = FALSE) par(mfrow = c(1,1)) ## Not run: par(mfrow=c(3,1)) pca1 <- dudi.pca(kcponds$tab, scan = FALSE, nf = 4) if (require(maptools, quiet = TRUE) & require(spdep, quiet = TRUE)) { multi1 <- multispati(pca1, nb2listw(neig2nb(kcponds$neig)), scan = FALSE, nfposi = 2, nfnega = 1) summary(multi1)} par(mfrow = c(1,1)) ## End(Not run)