"Musk oxen in the refuge are vulnerable to disturbance from activities associated with petroleum exploration and extraction because of their year-round residency, their small population numbers and their need to conserve energy throughout the long winter if they are to successfully reproduce," the report said.
The deterministic modelling methods, which approximate molecular numbers using continuous concentrations [ 10][ 11], may not be appropriate to describe systems that contain species with small population numbers.
Stochastic effects can be important for the behavior of processes involving small population numbers, so the study of stochastic models has become an important topic in the burgeoning field of computational systems biology.
However, none of these trends reached statistical significance; note that the analysis among controls or among AD involved relative smaller population numbers, compared to the analysis between controls and AD of Table 2, resulting in diminished statistical power.
And they're not a small population: the number of fundamentalist Mormon or Christian polygamists alone has been estimated to be as high as 50,000.
Nonetheless, because this method retained all products larger than 100 nt, AMPure beads produced the lowest specificity (to a single small RNA population), number of surviving reads and overall number of miRNAs (50 less than PPS).
In some situations, and in particular in breeds with small populations, the number of HD-genotyped animals was constrained by the availability of DNA from ancestors.
Typically, because of the small patient population numbers, clinical trial recruitment is a huge issue in rare disease clinical trials, but Tocagen has not suffered the traditional patient recruitment problems.
Mr. Boyle said that New Zealand, with its geographical isolation, small population and large number of expatriates, has taken this idea the furthest: "New Zealand is fundamentally reimaging what it means to talk about the New Zealand nation.
