The role of mammals in creating and modifying seedshadows in tropical forests and some possible consequences of their elimination |
|
|---|---|
| Author | |
| Stoner, K. E.; Riba-Hernandez, P.; Vulinec, K.; Lambert, J. E. | |
| Year | |
| 2007 | |
| Secondary Title | |
| Biotropica | |
| Volume | |
| 39 | |
| Pages | |
| 316-327 | |
| Abstract | |
| Mammal populations are increasingly hunted, yet the consequences of their disappearance from tropical forests have only recently been explored. Here, we summarize current research on the role of mammals in seed dispersal and postdispersal processes, such as seed predation and secondary dispersal, in different tropical regions. We evaluate how mammal features influence seedshadows and ultimately forest regeneration. Finally, we discuss the potential effect of changes in seedshadows caused by the elimination of many medium- and large-sized mammals. The complex role that mammals play in creating and modifying seedshadows in tropical forests cannot be easily quantified, and in this review we emphasize the variation that exists both within and among mammal taxa and across continents. To bridge this gap in information, we suggest that more studies should evaluate the relative importance of the disappearance of both seed dispersers and seed predators for particular plant species so that we may begin to understand the balance between these two influences. We also suggest that future studies identify ecological redundancy in nonhunted vertebrates within any particular community to evaluate compensatory behavior that may help ameliorate some of the negative effects of hunting of large and medium mammals. | |
| DOI | |
| 10.1111/j.1744-7429.2007.00292.x | |
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