Alpine ecosystems are considered as being particularly vulnerable to the effects of climate change. Mondoni et al. report that seeds of alpine plants are short-lived in storage compared with those from related lowland taxa. The lower resistance to ageing may arise from low natural selection pressure in the alpine environment for seed resistance to ageing and/or damage incurred during seed development. Long-term seed conservation of several alpine species using conventional seed banking methods will thus be problematic.
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A study of seeds from alpine & lowland populations of Silene vulgaris shows that seed longevity has a genetic basis, but may show strong adaptive responses.
Climate warming shifts the timing of seed germination
Despite the considerable number of studies on the impacts of climate change on alpine plants, there have been few attempts to investigate its effect on regeneration. Mondoni et al. consider altitudinal variation of...
A fascinating conservation problem and a failure of my imagination
The January 2011 Annals of Botany is out and I had hoped to put together a press release for one of the papers. Seeds of alpine plants are short lived: implications for long-term conservation by Mondoni et al is one of...
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