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The role of host sex in parasite dynamics: field experiments on the yellow‐necked mouse Apodemus flavicollis
It is found that reducing parasites in males caused a consistent reduction of parasitic intensity in females, estimated through faecal egg counts, but the removal of parasites in females had no significant influence on the parasites in Males.
Analysing noisy time–series: describing regional variation in the cyclic dynamics of red grouse
A method for describing the periodicity of noisy ‘quasi–cyclic’ time–series based on integrals of their power spectra corresponding to different frequency intervals that is applied to over 300 time– series of shooting records of red grouse from 289 moors located in 20 regions of the UK.
Evolutionary History and Attenuation of Myxoma Virus on Two Continents
The authors' comparative sequence data reveal that changes in virulence involved multiple genes, likely losses of gene function due to insertion-deletion events, and no mutations common to specific virulence grades, suggesting there are multiple genetic routes to attain either highly virulent or attenuated phenotypes in MYXV.
Localized deer absence leads to tick amplification.
It is proposed that localized absence of deer (loss of a dilution host) increases tick feeding on rodents, leading to the potential for tick-borne disease hotspots.
Sacred Cows and Sympathetic Squirrels: The Importance of Biological Diversity to Human Health
Dobson and colleagues describe how some host species act to reduce the risk of transmission of virulent zoonotic pathogens to humans.
Parasites and climate synchronize red grouse populations
It is proposed that climate affects trophic interactions and could be an important mechanism for synchronizing spatially distributed populations, and it is shown that in specific years the size of red grouse populations in northern England either increases or decreases in synchrony.