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Tag Archives: genetic diversity
Can small populations benefit genetic rescue?
The core dogma of conservation biology is clear: small populations are bad for species’ persistence. If we observe a population of endangered vertebrates harboring abundant deleterious mutations but without any reduction in fitness, what is happening there? I would like … Continue reading
Deep in the meadow, under the … seagrass, a bed of temporally stable diversity?
Genetically diverse populations are often more stable and productive. For habitat-forming organisms, such as seagrasses, this results in increased habitat complexity and more abundant associated communities (e.g., Hughes and Stachowicz 2004, Reusch et al. 2005). Spatial patterns of genetic diversity … Continue reading
l'oliva di mare: disturbance and genetic diversity
Seagrasses are important ecosystem-engineers of coastal regions around the world. Previous work has demonstrated the correlation of high genotypic diversity with resistance (e.g., Hughes and Stachowicz 2004) and resilience (e.g., Reusch et al. 2005). In a recently accepted paper in Molecular Ecology, Jahnke, … Continue reading
Posted in adaptation, community ecology, conservation, natural history, plants
Tagged connectivity, disturbance, genetic diversity, seagrasses
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