If the effect of climate change were important, we would expect growth and recruitment rates for old growth also to increase over time. (pnas.org)
As a result, growth and recruitment rates accordingly increased over time for young and mature stands but showed little change for old - growth stands (Fig. 2 C and E). (pnas.org)
The Effects of Two Different Incentives on Recruitment Rates of Families into a Prevention Program. (cambridge.org)