Data are generated that follow relationships taken from the journal

ECOLOGY, Vol. 69, 1988. Systems simulated include:

1. Precipitation & grassland net primaryproduction

2. Litter with burned and unburned prairies

3. Bird species in maple and non-maple sites

4. Snail growth and detritus

5. Competition between diatoms

6. Sun & shade & temperature in monarch butterflies

7. Prey size and handling time by insectivorous mammals

8. Tube-building chironomids

9. Sun, slope, & larval growth

10. Flowering & leaf removal

11. Irradiance of leaf surface

12. Refuge use by salamander to escape a sunfish predator

13. Willow shoot growth & water level

... PLUS 12 additional systems ...

ECOLOGY-69 Data Simulation

(Program No. 103-32W or No. 103-32M)

for WINDOWS (NT, 98, Me, Xp) or Macintosh (Classic, OS X)

$ 69.95