Tests for Parasite-mediated Frequency-dependent Selection in Natural Populations of an Asexual Plant Species David H. SiemensBitty A. Roy Research Article Pages: 321 - 338
Survival Through Bottlenecks of Vole Cycles: Refuge or Chance Events? Kai NorrdahlErkki Korpimäki Research Article Pages: 339 - 361
Measuring Natural Selection on Proportional Traits: Comparisons of Three Types of Selection Estimates for Resistance and Susceptibility to Herbivore Damage John R. Stinchcombe Research Article Pages: 363 - 373
Food Shortage Disrupts Social Organization: The Case of Red Squirrels in Conifer Forests Luc A. WautersSandro BertolinoGuido Tosi Research Article Pages: 375 - 404
Fluctuating Asymmetry in Body Traits Increases Predation Risks: Tawny Owl Selection Against Asymmetric Woodmice Paolo GaleottiRoberto sacchiVincenzo Vicario Research Article Pages: 405 - 418