...Turner
The author is now on the faculty of the Department of Computer Science, 5752 Neville Hall, University of Maine, Orono, ME 04469. He is also affiliated with the Marine Systems Engineering Laboratory (MSEL) of the Autonomous Undersea Systems Insitute (AUSI). This paper was presented at the 12th International Workshop on Distributed Artificial Intelligence, and it is available in hardcopy form from the University of New Hampshire Department of Computer Science as TR #93-01.

...one;
In terms of heads of cattle, fed when the resource is not stressed; it would be exactly one if were less than .

...field.
This assumes constant disturbance (e.g., by continued grazing), since weeds, being relatively r-selected [\protect\citenameRicklefs, 1990], will likely not be the climax community; the climax community, however, would probably not be pastureland again, either.

...,
Which, via the motive of profit or the pressure of increased population, will ultimately be the fate of almost any resource.

...observes,
Which ultimately arise from some sort of coordination and may not, in any case, preserve the commons: witness the problem of attaining the ``maximum sustainable yield'' in fisheries by setting catch limits.

rmt@umcs.maine.edu