Ecology :: Mode of seed dispersal greatly shapes placement of rainforest trees

The apple might not fall far from the tree, but new research shows that how it falls might be what is most important in determining tree distribution across a forest. This study of the seed dispersal methods of rainforest trees demonstrates that these methods play a primary role in the organization of plant species in tropical forests.

Exercise :: Structured Exercise Program Can Enhance Seniors’ Physical Function

A structured exercise program can boost the physical well-being of sedentary seniors who show early signs of losing independent function. The results hold promise that many older adults can lower their risk of major walking disability, according to researchers from Wake Forest University Baptist Medical Center and colleagues.

Food for flight

US Forest Service research in the Ouachita Mountains of Arkansas suggests that decades of fire suppression have reduced the area’s food supply for migrating monarch butterflies, and that restoration efforts that include prescribed burning can reverse this trend.

Exercise helps elderly regain physical function and avoid major disability

Regular structured exercise may allow previously sedentary elderly people to attain significant improvements in their physical functioning and reduce the likelihood they will become disabled in the future, according to findings from a multicenter pilot study being presented today at the Gerontological Society of America’s annual meeting in Dallas.

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