The Effect of an Experimental Reduction in Predation Pressure on the Breeding Success and Population Density of Grey Partridges Perdix perdix

1996 ◽  
Vol 33 (5) ◽  
pp. 965 ◽  
Author(s):  
S. C. Tapper ◽  
G. R. Potts ◽  
M. H. Brockless
Keyword(s):  
Population Density ◽  
Breeding Success ◽  
Predation Pressure ◽  
Perdix Perdix

scholarly journals How a rare species might become a pest

1974 ◽  
Vol 11 (1) ◽  
pp. 5-9
Author(s):  
Phil Diamond
Keyword(s):  
Population Density ◽  
Population Growth ◽  
Rare Species ◽  
Predation Pressure ◽  
Geometric Probability ◽  
Population Explosion ◽  
Rate Of Increase

A model is proposed for the population growth of a rare species after predation pressure is lifted. A geometric probability argument is used to suggest that, as population density increases, breeding encounters become more frequent and the consequent rate of increase is much steeper than the exponential. This may explain the population explosion of crown-of-thorns starfish recorded recently.

Breeding success of sympatric dabbling ducks in relation to population density and food resources

Oikos ◽  
2003 ◽  
Vol 100 (2) ◽  
pp. 333-341 ◽  
Author(s):  
Johan Elmberg ◽  
Petri Nummi ◽  
Hannu Poysa ◽  
Kjell Sjoberg
Keyword(s):  
Population Density ◽  
Breeding Success ◽  
Food Resources ◽  
Dabbling Ducks
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