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...lations, and 8% in other clonal organisms). These inferences were derived from spatial autocorrelation analyses representing the average genetic distance or kinship coefficient (Loiselle et al. 1995; =-=Ritland 1996-=-; Epperson & Li 1997; Rousset 2000) between pairs of individuals within specific ranges of geographic distance, weighed against the average genetic distance or kinship coefficient between all paired s...

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...have recently been shown to allow inferences on the linear spatial domain over which clonality affects the genetic structure of the population, referred to as the ‘clonal subrange’ of the population (=-=Harada et al. 1997-=-; Alberto et al. 2005). Using these approaches, the clonal subrange can be operationally described as the spatial scale below which the spatial autocorrelograms derived either including or removing pa...

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...o provide estimates of the maximum, minimum and average number of MLGs in the subset of data, as well as the maximum, minimum and the mean number of alleles and the heterozygosity (unbiased estimate, =-=Nei 1978-=-) for each subset of data generated. This is an alternative to the bootstrap, and to the rarefaction procedure (El Mousadik & Petit 1996), commonly used to compare the levels of diversity among sample...

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...mate dispersal parameters such as (i) the neighbourhood size and gene dispersal, and (ii) the clonal subrange; a measure of the spatial scale at which the probability of clonal identity is near zero (=-=Harada & Iwasa 1996-=-; Haradaset al . 1997), estimating the spatial range over which clonality directly affects SGS. Materials and methods Model species Cymodocea nodosas(Cymodoceaceae) is a dioecious, rhizomatous seagras...