R: Data on reed frog predation experiments

Reedfrog {emdbook} | R Documentation

## Data on reed frog predation experiments

### Description

Data on lab experiments on the density- and size-dependent predation rate of an African reed frog, Hyperolius spinigularis, from Vonesh and Bolker 2005

### Usage

    data(ReedfrogPred)
    data(ReedfrogSizepred)
    data(ReedfrogFuncresp)

### Format

Various data with variables:

`density`

  initial tadpole density (number of tadpoles in a 1.2 x 0.8 x 0.4 m tank) [experiment 1]

`pred`

  factor: predators present or absent [experiment 1]

`size`

  factor: big or small tadpoles [experiment 1]

`surv`

  number surviving

`propsurv`

  proportion surviving (=surv/density) [experiment 1]

`TBL`

  tadpole body length in mm [size-predation experiment]

`Kill`

  number killed out of 10, in 3 days [size-predation]

`Initial`

  initial number/density (300 L tank) [functional response]

`Killed`

  number killed by 3 dragonfly larvae in 14 days [functional response]

### Source

Vonesh and Bolker (2005) Compensatory larval responses shift trade-offs associated with predator-induced hatching plasticity. Ecology 86:1580-1591

### Examples

    data(ReedfrogPred)
    boxplot(propsurv~size*density*pred,data=ReedfrogPred)
    data(ReedfrogSizepred)
    data(ReedfrogFuncresp)

[Package emdbook version 1.3.9 Index]