Flowering time and the Wallace Effect

Article Abstract:

The study focused on a species of grass, Anthoxanthum odoratum, growing in plots within the longest running ecological experiment, the Part Grass Experiment at Rothamsted Experimental Station, Harpenden, UK. It is stated that these plots were originally set up in 1856 to test the reactions of meadow vegetation to different fertilizer applications, procedures, which have generated enormous amounts of data on plant physiological responses, population dynamics, and community ecology.

author: Ollerton, J.
United Kingdom, Physiological aspects, Growth, Company growth, Sweet vernal grass

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Inheritance of litter size at birth in farmed arctic foxes (Alopex lagopus, Canidae, Carnivora)

Article Abstract:

Elston-Stewart transmission probability test is used for checking the significance of any major gene effect on the arctic fox. The results have shown that a system of balanced polymorphism for litter size in the farmed population might be established in natural populations of arctic foxes due to the adaptation to the drastic fluctuations in prey availability.

author: Axenovich, T.I., Borodin, P.M., Zorkoltseva, IV., Akberdin, I.R., Kashtanov, S.N., Zakharov, I.A., Beketov, S.V.
Adaptation (Biology), Evolutionary adaptation, Genetic polymorphisms, Arctic fox

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A complex population dynamic explained by a single-locus Mendelian model for litter size

Article Abstract:

A classic Mendelian model with recessive control of low litter size is used for determining the litter size in the arctic fox. The novel use of complex segregation analysis has given a special importance to non-additive genetic variance, which the standard quantitative genetic models have not considered.

author: Nespolo, R.F.
Genetic variation

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subjects list: Analysis, Genetic aspects, Population biology
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