pcw {ade4} | R Documentation |
Abundance of tropical trees, environmental variables and spatial coordinates for 50 sites. Data are available at http://www.sciencemag.org/content/295/5555/666/suppl/DC1 but plots from Barro Colorado Island were removed.
data(pcw)
A list with 5 components.
Distribution of the abundances of 778 species in 50 sites
Measurements of environmental variables for the 50 sites
Spatial coordinates for the sites (decimal degrees)
Spatial coordinates for the sites (UTM)
Map of the study area stored as a SpatialPolygons object
Condit, R., N. Pitman, E. G. Leigh, J. Chave, J. Terborgh, R. B. Foster, P. Núnez, S. Aguilar, R. Valencia, G. Villa, H. C. Muller-Landau, E. Losos, and S. P. Hubbell. (2002) Beta-diversity in tropical forest trees. Science, 295, 666–669.
Pyke, C. R., R. Condit, S. Aguilar, and S. Lao. (2001) Floristic composition across a climatic gradient in a neotropical lowland forest. Journal of Vegetation Science, 12, 553–566.
Dray, S., R. Pélissier, P. Couteron, M. J. Fortin, P. Legendre, P. R. Peres-Neto, E. Bellier, R. Bivand, F. G. Blanchet, M. De Caceres, A. B. Dufour, E. Heegaard, T. Jombart, F. Munoz, J. Oksanen, J. Thioulouse, and H. H. Wagner. (2012) Community ecology in the age of multivariate multiscale spatial analysis. Ecological Monographs, 82, 257–275.
if(adegraphicsLoaded()) { data(pcw) if(requireNamespace("spdep", quietly = TRUE)) { nb1 <- graph2nb(gabrielneigh(pcw$xy.utm), sym = T) s.label(pcw$xy, nb = nb1, Sp = pcw$map) } }