Body mass pf plains leopard frogs.

Description

Body mass of plains leopard frog (Lithobates blairi) tadpoles kept at two levels of UV-B light intensity and three levels of density.

Usage

data(Tadpoles)

Format

A data frame with 90 observations on the following 3 variables.

uvb

A UV-B light intensity treatment factor (Low and High).

density

A tadpole density treatment numeric (1, 2, and 4). See details.

mass

Measured body masses (g).

Details

The density variable should be immediately converted to a group-factor variable.

Source

Data simulated from Smith et al. 2000. Consequences of embryonic UV-B exposure for embryos and tadpoles of the plains leopard frog. Conservation Biology, 14:1903-1907.