P
pearl
Guest
It just dawned on me why I remembered 6 mice per *acre*...
"pearl" <[email protected]> wrote in message news:...
<..>
> 'Tew and Macdonald (1993) reported that mouse population
> density dropped from 25/ha preharvest to less than 5/ha
.....
> paper (25/ha) times a 60% mortality rate of 15 animals/ha
> each year. '
> http://courses.ats.rochester.edu/nobis/animals/Davis-LeastHarm.htm
1 hectare = 2.471 acres
15 / 2.47 = 6.07
"pearl" <[email protected]> wrote in message news:...
<..>
> 'Tew and Macdonald (1993) reported that mouse population
> density dropped from 25/ha preharvest to less than 5/ha
.....
> paper (25/ha) times a 60% mortality rate of 15 animals/ha
> each year. '
> http://courses.ats.rochester.edu/nobis/animals/Davis-LeastHarm.htm
1 hectare = 2.471 acres
15 / 2.47 = 6.07