SeedPred {emdbook}

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)