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INCORPORATING THE SOIL COMMUNITY INTO PLANT POPULATION DYNAMICS : THE UTILITY OF THE FEEDBACK APPROACH
Using a simple experimental protocol, substantial negative feedback on plant growth is found through the soil community, suggesting that it may be involved in the maintenance of plant species diversity.
Social Organization and Parasite Risk in Mammals: Integrating Theory and Empirical Studies
The effects of host density and social contacts on parasite spread and the importance of promiscuity and mating structure for the spread and evolution of sexually transmitted diseases are reviewed.
Host-Dependent Sporulation and Species Diversity of Arbuscular Mycorrhizal Fungi in a Mown Grassland
Spore counts in field soil and estimates from sorghum trap cultures showed that the association of AM fungi with particular host plants in the field was positively correlated with the sporulation rates observed on those hosts in the microcosm experiments, suggesting host-dependent differences in fungal growth rates.
SEXUALLY TRANSMITTED DISEASES IN ANIMALS: ECOLOGICAL AND EVOLUTIONARY IMPLICATIONS
- A. Lockhart, P. Thrall, J. Antonovics
- BiologyBiological reviews of the Cambridge Philosophical…
- 1 August 1996
Comparison of the characteristics of sexually transmitted mammalian diseases with those that are transmitted by non-sexual means showed that STDs cause less mortality, are longer-lived in their hosts, are less likely to invoke strong immune responses, have narrower host-ranges, and show less fluctuation in prevalence over time.
Heavy Metal Tolerance in Plants
Evolution in closely adjacent plant populations
It is invalid to conclude that a monotonic cline for reproductive isolation gives a priori evidence of its evolution in allopatry, but the existence of inverse clines in isolating mechanisms strongly suggests the evolution of isolation in sympatry.
Species Coexistence and Pathogens with Frequency‐Dependent Transmission
The results show that if there is frequency‐dependent transmission, a host can be rescued from pathogen‐mediated extinction by the presence of a second host with which it shares a pathogen.
Evolution in closely adjacent plant populations V. Evolution of self-fertility
- J. Antonovics
- 1 May 1968
DISEASE SPREAD AND POPULATION DYNAMICS OF ANTHER-SMUT INFECTION OF SILENE ALBA CAUSED BY THE FUNGUS USTILAGO VIOLACEA
It was revealed that only 4'%o of plants healthy in one year were diseased the following year, indicating that floral infection does not always lead to successful systemic infection.
Promiscuity and the primate immune system.
White blood cell counts were significantly greater in species where females have more mating partners, indicating that the risk of sexually transmitted disease is likely to be a major factor leading to systematic differences in the primate immune system.