Seed germination as affected by water
Two datasets on the germination success of seeds of four Melaleuca species, when subjected to temperature, fire cue, and dehydration treatments. Seeds were collected from a number of sites and subjected to 6 temperature treatments and fire cues (in the fire germination data), or two a range of dehydration levels (in the water germination data).
This dataset contains the water treatment data.
germination_water
A data frame with 352 rows and 5 variables:
speciesfactor One of four Melaleuca species
siteinteger Coding for the site where the seed was collected
water.potentialdouble Water potential of the seed (Mpa) after incubation (low values is drier)
germinteger Number of germinated seeds
ninteger Number of seeds tested (25 for all rows)
Data are from Hewitt et al. 2015 (Austral Ecology 40(6):661-671), shared by Charles Morris, and simplified for the purpose of this package.
data(germination_water)
with(germination_water,
plot(jitter(water.potential), germ/n,
pch=21, bg=terrain.colors(4)[species])
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