Seed Dispersal and Spatial Pattern in Tropical Trees
2006
The Seeds of Diversity: Lessons from Tropical Trees
Sample size: 561
publication
Evidence: moderate
Author Information
Author(s): Tristram Seidler, Joshua Plotkin
Hypothesis
Does the mechanism of seed dispersal affect the spatial distribution of tropical trees?
Conclusion
The study shows a strong correlation between the degree of conspecific clustering and the mechanism of dispersal in tropical trees.
Supporting Evidence
- The study found that ballistic dispersal produced the most aggregated clusters of trees.
- Animal-dispersed, small-fruit–bearing trees aggregate more than those producing large fruit.
- The relationship between clustering and dispersal mechanism was strongest at smaller spatial scales.
Takeaway
This study found that how seeds are spread affects how trees are grouped together in the forest.
Methodology
The authors compared dispersal mechanisms and spatial distribution of 561 tropical tree species in a forest reserve.
Limitations
The authors caution that their dispersal-mechanism categories are oversimplified and that other factors influence tree distribution.
Digital Object Identifier (DOI)
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