Description Usage Arguments Details Value Note Author(s) References See Also Examples
It used to quantify the pulsed flowering phenology on the population level. It has been used widely in mast seeding/mast flowering research to estimate the degree of annual variation in seed output within a population.
1 | fCV(dd, pop)
|
dd |
Flowering data. |
pop |
ID of population. |
cv=sqrt((1/(n-1))*sum(xpt-mean(xpt))^2)/mean(xpt);(t=1:n)
cv |
measure of temporal variation in flowering |
n |
the number of days individual i was flowering |
x |
the total number of open flowers per day t and population p |
t |
flowering day |
nothing
WANG,XIE
[1]Silvertown JW. The evolutionary ecology of mast seeding in trees. Biological Journal of the Linnean Society. 1980;14:235~250. [2]Kelly D. The evolutionary ecology of mast seeding. Trends in Ecology & Evolution. 1994;9:465~470.
nothing
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