The number of family forest owners in the conterminous United States increased from 9.3 million in 1993 to 10.3 million in 2003, and these owners now control 42% of the nation's forestland. The reasons why people own forestland are diverse. Some of the more common ones are aesthetic enjoyment, the tract is part of a farm or home site, and to pass the land on to heirs. Half of the family forest owners have harvested trees, but...

In the problem of reconstructing full sib pedigrees from DNA marker data, three existing algorithms and one new algorithm are compared in terms of accuracy, efficiency and robustness using real and simulated data sets. An algorithm based on the exclusion principle and another based on a maximization of the Simpson index were very accurate at reconstructing data sets comprising a few large families but had problems with data se...