% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/data.R
\docType{data}
\name{folsomia_repro}
\alias{folsomia_repro}
\title{Simulated Folsomia candida Reproduction Data}
\format{
A data frame with 30 rows and 5 columns:
\describe{
\item{id}{Replicate identifier (integer, 1--30)}
\item{concentration}{Cadmium concentration in mg/kg dry soil}
\item{t_start}{Start of observation interval (day 0)}
\item{t_end}{End of observation interval (day 28)}
\item{count}{Number of juveniles produced in the interval}
}
}
\source{
Simulated with NEC \eqn{z_w = 30} mg/kg, effect intensity
\eqn{b_w = 0.005} (mg/kg)\eqn{^{-1}}, and control offspring
count \eqn{\approx 120}.
}
\usage{
folsomia_repro
}
\description{
Simulated 28-day reproduction dataset for the springtail \emph{Folsomia
candida} exposed to 5 cadmium concentrations (0, 10, 50, 100,
500 mg Cd/kg dry soil) with 6 replicates per concentration.  The
experimental design follows ISO 11267 (springtail reproduction test).
Toxicant effects were simulated using a simple NEC-based model:
expected offspring \eqn{= 120 \times \max(1 - b_w \max(C - z_w, 0),
\, 0)}, with Poisson sampling around the expected value.
}
\examples{
data(folsomia_repro)
head(folsomia_repro)
}
\references{
ISO 11267 (2014). \emph{Soil quality — Inhibition of reproduction of
Collembola (Folsomia candida) by soil contaminants}.
}
\keyword{datasets}
