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THE INFLUENCE OF MATING SYSTEM AND OVERLAPPING GENERATIONS ON EFFECTIVE POPULATION SIZE
- L. Nunney
- BiologyEvolution; international journal of organic…
- 1 October 1993
The effective population size (Ne) depends strongly on mating system and generation time. These two factors interact such that, under many circumstances, Ne is close to N/2, where N is the number of…
Estimating the effective population size of conserved populations
A method is suggested that provides a good estimate of Ne, makes clear what assumptions are involved, and yet requires a minimum of information, and is used to analyze data from 14 studies.
Understanding and Estimating Effective Population Size for Practical Application in Marine Species Management
- M. Hare, L. Nunney, F. Palstra
- Environmental ScienceConservation biology : the journal of the Society…
- 1 June 2011
The practical utility of estimating N(e) is emphasized by highlighting its relevance to the adaptive potential of a population and describing applications in management of marine populations, where the focus is not always on critically endangered populations.
The influence of variation in female fecundity on effective population size
- L. Nunney
- Environmental Science
- 1 December 1996
The finding that very unusual conditions are required to reduce N e below N /10, low estimates of N e / N need to be examined critically: the lowest published ratio, for a natural population of oysters, was found to be questionable because of possible immigration into the population by cultivated oysters.
A Multigene Phylogenetic Study of Clonal Diversity and Divergence in North American Strains of the Plant Pathogen Xylella fastidiosa
- E. Schuenzel, M. Scally, R. Stouthamer, L. Nunney
- BiologyApplied and Environmental Microbiology
- 1 July 2005
Two well-differentiated clades probably originated more than 15,000 years ago, long before the introduction of the nonnative plants that characterize most infections, and suggest that, historically, X. fastidiosa has been a clonal organism.
Lineage selection and the evolution of multistage carcinogenesis
- L. Nunney
- BiologyProceedings of the Royal Society of London…
- 7 March 1999
The ‘two–hit’ model so successfully applied to retinoblastoma is unlikely to be generally applicable to other human cancers; instead, more complex scenarios are expected to dominate, with complexity depending upon a tissue's size and its pattern of proliferation.
FLUCTUATING POPULATION SIZE AND THE RATIO OF EFFECTIVE TO CENSUS POPULATION SIZE
The extent to which Ne/N is depressed by FPS over the range of fluctuations observed in wild animal populations is considered, and a method for predicting Ne/n from a standard measure of population variability is presented, and the implications of this theoretical relationship are discussed.
Population Genomic Analysis of a Bacterial Plant Pathogen: Novel Insight into the Origin of Pierce's Disease of Grapevine in the U.S.
Genomic techniques are employed to demonstrate that the bacterial pathogen causing Pierce's disease of grapevine is not native to the US as previously assumed, but descended from a single genotype introduced from Central America.
How Do Plant Diseases Caused by Xylella fastidiosa Emerge?
The ultimate goal was to raise critical questions and issues for academics and regulatory agencies alike, since the information generated during the last decade has both raised new questions but also clarified old ones.
Multilocus sequence typing of Xylella fastidiosa causing Pierce's disease and oleander leaf scorch in the United States.
- Xiaoli Yuan, L. Morano, Robin E. Bromley, Senanu Spring-Pearson, R. Stouthamer, L. Nunney
- 13 May 2010
Using a modified multilocus sequence typing (MLST) scheme for the bacterial plant pathogen Xylella fastidiosa based on the same seven housekeeping genes employed in a previously published MLST, we…