urkiola
Urkiola Woods Point Pattern
Locations of birch (Betula celtiberica) and oak (Quercus robur) trees in a secondary wood in Urkiola Natural Park (Basque country, northern Spain). They are part of a more extensive dataset collected and analysed by Laskurain (2008). The coordinates of the trees are given in meters.
- Keywords
- datasets
Usage
data(urkiola)Format
An object of class "ppp" representing the point pattern of
tree locations. Entries include
- x
Cartesian x-coordinate of tree
- y
Cartesian y-coordinate of tree
- marks
factor indicating species of each tree
The levels of marks are birch and oak.
See ppp.object for details of the format of a ppp object.
References
Laskurain, N. A. (2008) Din<e1>mica espacio-temporal de un bosque secundario en el Parque Natural de Urkiola (Bizkaia). Tesis Doctoral. Universidad del Pa<ed>s Vasco /Euskal Herriko Unibertsitatea.