Acknowledgments: This report is an update and expansion of an earlier paper (Kie, John G. 1987. Measures of wild ungulate performance: population density and condition of individuals.

We investigate the Volterra ecosystem driven by correlated noises. The competition of the predators induces an increasing in population density of the predators. The competition of the preys, however, leads the predators to decay. The predators may have better stability under strong correlated noises. The predators undergo a sensitivity to a random environment, whereas the preys exhibit a surpr...

The effects of density on territory size and population regulation in juvenile rainbow trout, Oncorhynchus mykiss Jacquelyn Lee Ann Wood Despite a wealth of research on territoriality and population regulation in stream dwelling salmonids, most studies have focused on manipulations of food abundance alone, or else have simultaneously manipulated space and food abundance, but used population den...