Ghent University Academic Bibliography

Advanced

Habitat disturbance reduces seed dispersal of a forest interior tree in a fragmented African cloud forest

Valérie Lehouck UGent, Toon Spanhove UGent, Liesbet Colson, Annelies Adringa-Davis, Norbert Cordeiro and Luc Lens UGent (2009) OIKOS. 118(7). p.1023-1034
abstract
Habitat fragmentation and disturbance are known to impact animals and plants in different ways, depending on species' characteristics and the type and scale of habitat modification involved. In contrast, direct or indirect ramifications on mutualistic relationships between plants and animals are less clear, possibly because general patterns are confounded by the diffuse nature of many of these interactions. Here, we examine how fragment size and/or severe disturbance of a Kenyan mountain cloud forest affects the frugivore community and seed removal of a large-seeded, bird-dispersed tree of the forest interior, for three consecutive years. Forest deterioration reduced avian visitation and seed removal rates independent of fragment size, consistently so despite strong temporal variation in fruit production over the three-year study. In disturbed forest fragments, seed removal rates were on average 3.5 times lower than in more intact ones. Strong differences in both visitation and seed removal rates were largely attributable to shifts in frugivore assemblages, characterized by loss or reduced abundance of the most effective seed dispersers, most of which were forest specialists. Although some disturbed fragments benefited from visits of non-forest dependent seed dispersers, such 'resilience' was not predictable or reliable in time or space. We conclude that disruption of seed disperser-seed interactions in highly fragmented and disturbed tropical forests may be persistent in time when resiliency is inadequate, possibly posing long-term effects on tree communities.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
BIRDS, LANDSCAPE, FRUIT, RAIN-FOREST, MONTANE FOREST, habitat quality, mutualism, Xymalos monospora, Taita Hills, seed removal, fruit-frugivore interaction, Africa, disturbance, fragmentation, ECOLOGY, ASSEMBLAGES, RECRUITMENT, DIVERSITY, INFERENCE
journal title
OIKOS
Oikos
volume
118
issue
7
pages
1023 - 1034
Web of Science type
Article
Web of Science id
000267322100007
JCR category
ECOLOGY
JCR impact factor
3.147 (2009)
JCR rank
34/127 (2009)
JCR quartile
2 (2009)
ISSN
0030-1299
DOI
10.1111/j.1600-0706.2009.17300.x
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
629938
handle
http://hdl.handle.net/1854/LU-629938
date created
2009-05-15 16:40:10
date last changed
2012-10-29 15:33:12
@article{629938,
  abstract     = {Habitat fragmentation and disturbance are known to impact animals and plants in different ways, depending on species' characteristics and the type and scale of habitat modification involved. In contrast, direct or indirect ramifications on mutualistic relationships between plants and animals are less clear, possibly because general patterns are confounded by the diffuse nature of many of these interactions. Here, we examine how fragment size and/or severe disturbance of a Kenyan mountain cloud forest affects the frugivore community and seed removal of a large-seeded, bird-dispersed tree of the forest interior, for three consecutive years. Forest deterioration reduced avian visitation and seed removal rates independent of fragment size, consistently so despite strong temporal variation in fruit production over the three-year study. In disturbed forest fragments, seed removal rates were on average 3.5 times lower than in more intact ones. Strong differences in both visitation and seed removal rates were largely attributable to shifts in frugivore assemblages, characterized by loss or reduced abundance of the most effective seed dispersers, most of which were forest specialists. Although some disturbed fragments benefited from visits of non-forest dependent seed dispersers, such 'resilience' was not predictable or reliable in time or space. We conclude that disruption of seed disperser-seed interactions in highly fragmented and disturbed tropical forests may be persistent in time when resiliency is inadequate, possibly posing long-term effects on tree communities.},
  author       = {Lehouck, Val{\'e}rie and Spanhove, Toon and Colson, Liesbet and Adringa-Davis, Annelies and Cordeiro, Norbert and Lens, Luc},
  issn         = {0030-1299},
  journal      = {OIKOS},
  keyword      = {BIRDS,LANDSCAPE,FRUIT,RAIN-FOREST,MONTANE FOREST,habitat quality,mutualism,Xymalos monospora,Taita Hills,seed removal,fruit-frugivore interaction,Africa,disturbance,fragmentation,ECOLOGY,ASSEMBLAGES,RECRUITMENT,DIVERSITY,INFERENCE},
  language     = {eng},
  number       = {7},
  pages        = {1023--1034},
  title        = {Habitat disturbance reduces seed dispersal of a forest interior tree in a fragmented African cloud forest},
  url          = {http://dx.doi.org/10.1111/j.1600-0706.2009.17300.x},
  volume       = {118},
  year         = {2009},
}

Chicago
Lehouck, Valérie, Toon Spanhove, Liesbet Colson, Annelies Adringa-Davis, Norbert Cordeiro, and Luc Lens. 2009. “Habitat Disturbance Reduces Seed Dispersal of a Forest Interior Tree in a Fragmented African Cloud Forest.” Oikos 118 (7): 1023–1034.
APA
Lehouck, V., Spanhove, T., Colson, L., Adringa-Davis, A., Cordeiro, N., & Lens, L. (2009). Habitat disturbance reduces seed dispersal of a forest interior tree in a fragmented African cloud forest. OIKOS, 118(7), 1023–1034.
Vancouver
1.
Lehouck V, Spanhove T, Colson L, Adringa-Davis A, Cordeiro N, Lens L. Habitat disturbance reduces seed dispersal of a forest interior tree in a fragmented African cloud forest. OIKOS. 2009;118(7):1023–34.
MLA
Lehouck, Valérie, Toon Spanhove, Liesbet Colson, et al. “Habitat Disturbance Reduces Seed Dispersal of a Forest Interior Tree in a Fragmented African Cloud Forest.” OIKOS 118.7 (2009): 1023–1034. Print.