Applied Landscape Ecology

Appendix A Description of Notation Used in Formulae and Metrics

Description
Subscripts of variables
i, j	individual element (point, quadrat, line, or patch) or individual measurement
j, k	class of similar elements (species or patch types)
a	value of the Hill series
x	number of points
v	condition of a transition process
General symbols
α, β, γ	parameters or coefficients of equations
x, y	variables
n	number of landscape elements, individuals, or measurements considered in the analysis
t	time
m	number of classes (patch types) in the landscape
S	number of species in the area considered
Xi, Yi	Cartesian coordinates of point i
di	distance from i to its nearest neighbor
dij	distance between i and j
A	area
L	length of a line or of a patch
P	perimeter of a patch
p	probability of a certain event
r	radius of a circle
pj	proportion of class j
pjk	proportion of class j in the first group in class k in the second group
Population statistics
N	total population size
Nj	size of population of species j
Njk	size of population of species j in habitat k
N.k	size of population of all species in habitat k
K	carrying capacity
T e	time for local extinction
ε	per capita birth rate
μ	per capita mortality rate
σ	colonization rate
ϕ	extinction rate
p eq	proportion of equilibrium ...