5th International Symposium-Workshop on Frugivores and Seed Dispersal (1985-2010)
FSD 2010 - Cordeiro_Garcia
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Wednesday 16 June & Thursday 17 June - 14:00 (Einstein)
Anthropogenic impacts on frugivory and seed dispersal: mechanisms, scales and consequences
Organizers : Norbert Cordeiro (Roosevelt University) ncordeiro(a)fieldmuseum.org and Daniel Garcia (Universidad de Oviedo) danielgarcia(a)uniovi.es.
Anthropogenic impacts of over-hunting and habitat fragmentation and/or degradation causes biodiversity decay worldwide. While frugivore extinctions, especially of large-bodied species, form an important component of this biodiversity loss, declines in frugivores may also lead to a concomitant seed dispersal collapse of dependent plant species in tropical and temperate ecosystems alike. Mechanisms leading to seed dispersal disruption are multiple and complex, and operate at multiple spatial and temporal scales. Apart from over-hunting, habitat loss and fragmentation may also disrupt seed dispersal even much before the extinction of dispersers. This may manifest by modifying the spatial patterns of foraging and movement of frugivorous animals. The effects of defaunation from over-hunting and habitat fragmentation may, however, emerge at smaller scales involving habitat fine structural features (e.g. the presence of individual fruiting trees), to larger scales involving species geographic ranges. The ultimate consequences of anthropogenic impact on seed dispersal also emerge at different levels of biological complexity, from the demographic responses of individual plant species, to the changes in the composition and structure of plant communities, and across the evolutionary change of plant populations.
Speakers and titles - Part I (Abstracts) - 16 June 14:00-16:00
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Speaker
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Title
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1
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Peres, C.
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Pervasive consequences of overhunting in Amazonian forests: a basin-wide meta-analysis of kill profiles and implications to ecosystem structure
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2
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Herrera, J. M.
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Bird-mediated seed dispersal across fragmented landscapes: interactions between habitat cover and quality
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3
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Farwig, N.
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Pollination and seed dispersal in human-shaped landscapes
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4
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Moran, C.
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Changes in the frugivore assemblage reduce seed dispersal potential in fragmented Australian rainforest
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5
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Lehouck, V.
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Altered frugivore communities in changing landscapes- consequences for plant recruitment
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6
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O'Farrill, G. | Megafaunal losses: when does a forest become empty? |
| 7 | Galetti, M. | Defaunation drives rapid evolutionary shrinkage of seeds |
Speakers and titles - Part II (Abstracts) - 17 June 14:00-15:45
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Speaker
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Title
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1
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Milleron, T.
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Human frugivory and seed dispersal in Neotropical forests
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2
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Meyer, J.-Y.
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Vanishing endemic frugivorous birds and endangered plants in the islands of Eastern Polynesia (South Pacific): an extinction cascade?
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3
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Rumeu, B.
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Different ecological patterns in the seed dispersal systems of two endemic junipers (Juniperus cedrus and J. brevifolia) in the Macaronesian archipelagos
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4
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Rost, J.
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The importance of piling wood debris on bird-dependent seed dispersal in Mediterranean burned forests
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5
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Andresen, E.
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Seed dispersal by animals in a shaded coffee agroecosystem in Mexico: How prevalent is it, and how is it perceived by people?
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6
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Jacka, J.
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Impact of gold mining on seed dispersal and extractive resources in a Papua New Guinea rainforest
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7
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Wright, S. J.
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The consequences of hunting for frugivores, seed dispersal and plant species composition in tropical forests
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.JPG) |
| Wild fauna sold on the road in Cameroun. © Pierre-Michel Forget | Fragmented gallery forest near Bamako, Mali. © Pierre-Michel Forget |
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