The popularity of Koshihikari influenced subsequent rice breeding trends at regional agricultural experimental stations, and the characteristics of newly developed rice cultivars in Japan are usually rated relative to Koshihikari, which is used as the benchmark.
Monitoring colonies over many years is therefore vital, he adds, to understand their population size, general breeding trends and the direct impact a changing climate will have.
So if everyone who planted it to help the butterflies can be convinced to replace it with a native milkweed species or at least cut the plant back every few weeks during the winter they could quickly put a stop to the destructive winter-breeding trend.
The censuses provide a quasi-experimental approach, allowing a comparison to be made of breeding population trends of three species, Lapwing, Redshank and Snipe, on scheme and non-scheme land.
The European pied flycatcher Ficedula hypoleuca also follows this migratory trend, breeding in Asia and Europe and wintering in Africa.
Here, programs to monitor population trends, breeding parameters, and survival rates (including a specific capture-mark-resighting sub-programme) have been performed.
Specifically, we tested whether individual behavior changes over the breeding season (trend analysis, henceforward).
Current trend in breeding blanket design is based on the multi module box approach, which has advantages in terms of manufacturing, in reducing the global stress and strain during the start-up and the shut-down phases and during operation, because the favourable thermal expansions; and in simplifying the First Wall layout and integration.
This is reasonable because the frequency of individuals with a lethal condition is expected to decrease over time even if no additional selection pressure is imposed, and the threshold that retains the top 10%% of bulls for breeding ensures that genetic trend is positive.
Trends in breeding values were significantly higher than expected from genetic drift alone, so that we can conclude that they do result from unintentional selection.
