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Tests for inbreeding and outbreeding depression and estimation of population differentiation in the bird-pollinated shrub Grevillea mucronulata.
TLDR
The superior outcome of intermediate pollen transfer and genetic differentiation of adjacent clusters suggests that G. mucronulata selection disfavours matings among closely and distantly related neighbours, implying that current mating patterns are suboptimal.
Microsatellite markers for vulnerable Australian aridzone Acacias
TLDR
Primers for eight microsatellite loci for Acacia carneorum and Acacia loderi allow assessment of the genetic diversity and connectedness of populations, the relative contribution of asexual reproduction to genotypic diversity and population structure, and use of paternity analysis to identify sires of seed within populations known to have set seed in past decades.
Microsatellite primers for vulnerable and thriving Acacia (Fabaceae) species from Australia’s arid zone1
TLDR
Microsatellite markers developed for the common arid Australian shrub Acacia ligulata and the threatened overstory trees A. melvillei and A. pendula will allow assessment of population genetics, mating systems, and connectedness of populations of these and possibly other arid-zone acacias.
Clonality disguises the vulnerability of a threatened arid zone Acacia
TLDR
The findings imply that the Acacia carneorum species as a whole may represent ~240 distinct genetic individuals, many of which are polyploid, and most are separated by >10 km of unsuitable habitat, which implies that the species may be at much greater risk of extinction than inferred from on‐ground census data.
Varying levels of clonality and ploidy create barriers to gene flow and challenges for conservation of an Australian arid-zone ecosystem engineer,Acacia loderi
TLDR
The restricted distribution of clones and variation in clonality and polyploidy suggests that smaller stands may be vulnerable and warrant individual management, and Conservation of small stands may require augmentation of genotypic diversity.
Research and conservation initiatives for the vulnerable purple-wood wattle: A model for plant species conservation in Australia?
Research on rare and threatened plants is a major focus of conservation biology. We want to know why species are rare or declining, how best to arrest that decline and what is lost when species
Reproduction of threatened, long lived semi arid Acacia within highly fragmented stands in far western NSW
TLDR
Primers for eight microsatellite loci for Acacia carneorum and Acacia loderi are developed to allow an assessment of the genetic diversity and connectedness of populations, the relative contribution of asexual reproduction to genotypic diversity and population structure, and use of paternity analysis to identify sires of seed within populations known to have set seed in past decades.
The effects of agricultural change on population size of Corn Buntings Miliaria calandra on individual farms
This paper uses Common Birds Census (CBC) data to examine habitat selection by Corn Buntings and the relationship between population change and land-use change at the scale of the individual farm. On
Isolation and Lack of Potential Mates may Threaten an Endangered Arid-Zone Acacia.
TLDR
It is suggested that, given this species' vast geographic range, a small number of stands with reproductively compatible near neighbors may provide the only sources of novel genotypes.