format
vhabitat
is a data frame with habitat features (site, site description, location, vegetation, plant cover, base rock and aspect) of 18 habitats.
vsample
is a data frame with 72 samples, contains numeric sample identifier, numeric site (habitat) identifier and short name of sites (habitats). Habitat identifiers refer to rows of vhabitat
.
vtable
is a data frame with count data of 27 species (rows) and 72 samples (columns, same as rows in
vsample
).source
Solymos, P. (2000): Comparative malacological survey of the Szarsomlyo and the Fekete Hill (Villany Hills, S Hungary). In: Uherkovich, A. (ed.): A Villanyi-hegyseg botanikai es zoologiai alapfelmerese. Dunantuli Dolgozatok (A) Termeszettudomanyi Sorozat, 10: 111-120.
http://www.univet.hu/users/psolymos/personal/pdf/solymos_dtdolg_2000_villany.pdf