Finally, the models implemented in Städler et al. (2009) are rather simplistic, with an instantaneous shift from an ancestral population to subdivided populations that likely exacerbates the differences between the different sampling schemes more than a progressive shift toward an n-island model would do.
We interpreted this decrease with woody stand age to result from a change to plant input chemistry with more lignin and aliphatic structures combined with a progressive shift to more non-hydrolyzable, poorly accessible forms of soil organic nitrogen, resulting in a system with slower short-term decay dynamics.
During ALS disease progression, a progressive shift in skeletal muscle fiber subtype from fast twitch to slow twitch would presumably result in a concomitant shift toward more oxidative metabolism (Dengler et al, 1990; Frey et al, 2000; Pun et al, 2006; Deforges et al, 2009).
It was progressive agitation, union activities and popular movements (collectively identified as "Thunder on the Left") in 1934 and 1935 -- combined with FDR's belated realization that Big Business wasn't going to play ball with him -- that ultimately led Roosevelt to shift to more progressive policies and proposals.
There has been a largely unnoticed but radical movement over the last decade during which the spiritual fire has shifted to more progressive Christians and that has the potential to change both the political and spiritual landscape of America.
However, proposals to increase the national minimum wage to $15 an hour and establish a "reasoned pathway for future legalization" of marijuana were widely hailed as significant shifts in a more progressive direction.
The Imperial side did not pursue its objective to expel foreign interests from Japan, but instead shifted to a more progressive policy aiming at the continued modernization of the country and the renegotiation of unequal treaties with foreign powers, later under the [[Fukoku kyōhei motto.
On the left, it has meant demands to downsize big banks, crack down on tax-dodging multinationals, shift to a much more progressive tax system, and get serious about curbing carbon emissions.
Now, rather than stale left-right debates, there's a new mainstream for more progressive values, as surely represented by the shift of 13 U.S. Senate seats and 54 House seats over two congressional elections.
The view in Labor is that regional seats are shifting, in some cases becoming more progressive, and they say generally the National party does not reflect that.
