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Seed And Seedling Ecology Of Acer Saccharum And Acer Platanoides: A Contrast Between Native And Exotic Congeners, Scott J. Meiners
Seed And Seedling Ecology Of Acer Saccharum And Acer Platanoides: A Contrast Between Native And Exotic Congeners, Scott J. Meiners
Scott J. Meiners
The exotic tree, Acer platanoides, is increasing in forests of northeastern North America, largely within the range of its native congener, Acer saccharum. A combination of field and controlled experiments was used on seeds and seedlings of these congeners to determine species characteristics that may be contributing to these floristic changes. Acer platanoides experienced lower rates of seed predation than A. saccharum in field experiments. Differences in the dispersal and allocation characteristics of the two species were small and not likely to explain the relative success of A. platanoides. Greenhouse- grown seedlings of A. platanoides were much larger than those …
The Relationship Between Community Diversity And Exotic Plants: Cause Or Consequence Of Invasion?, Scott J. Meiners, Mary L. Cadenasso
The Relationship Between Community Diversity And Exotic Plants: Cause Or Consequence Of Invasion?, Scott J. Meiners, Mary L. Cadenasso
Scott J. Meiners
Invasion ecology has suffered from the artificial separation of invasibility and impact processes in understanding the ationship between diversity and plant invasion. By studying these independently functioning stages of invasion in concert, we can gain great insight into the biological causes and consequences of invasions, and develop crucial information for the generation of adequate management strategies. Our conceptual framework provides a structure to synthesize the current body of research, suggests research needed to fill the gaps in understanding and to organize results from future research. The framework is a powerful tool to guide ecological understanding of the relationship between invasion …