SeedPred {emdbook}R Documentation

Seed predation data set from Duncan and Duncan 2000

Description

Data on seed predation over time from Duncan and Duncan (2000)

Usage

data(SeedPred)
data(SeedPred_wide)
data(SeedPred_mass)

Format

station
a factor specifying the station number
species
a factor with levels abz cd cor dio mmu pol psd uva
date
sample date
seeds
number of seeds present
tcum
cumulative time elapsed
tint
time since last sample
taken
seeds removed since last sample
dist
distance from forest edge (m)

Details

SeedPred is in long format, SeedPred_wide is in wide format; SeedPred_wide has lots of NA values because stations at 10 and 25 m from the forest were sampled on different days. SeedPred_mass is a numeric vector containing the approximate seed masses for each species.

Source

R. Scot Duncan and Virginia E. Duncan (2000) Forest Succession and Distance from Forest Edge in an Afro-Tropical Grassland, Biotropica 32(1):33-41. (Data from Scot Duncan.)

Examples

data(SeedPred)

[Package emdbook version 1.1.1.1 Index]