Role of Human-Mediated Dispersal in the Spread of the Pinewood Nematode in China

Background: Intensification of world trade is responsible for an increase in the number of alien species introductions. Human-mediated dispersal promotes not only introductions but also expansion of the species distribution via long-distance dispersal. Thus, understanding the role of anthropogenic p...

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Bibliographic Details
Published in:PloS one 2009-02, Vol.4 (2), p.e4646-e4646
Main Authors: Robinet, Christelle, Roques, Alain, Pan, Hongyang, Fang, Guofei, Ye, Jianren, Zhang, Yanzhuo, Sun, Jianghua
Format: Article
Language:English
Subjects:
Animals
anthropogenic activities
Anthropogenic factors
Beetles
Biodiversity
Bursaphelenchus xylophilus
Cellular Biology
Cerambycidae
China
Climate
Climate change
Coleoptera
Current distribution
Dispersal
Dispersion
Ecology
Ecology/Population Ecology
Ecology/Spatial and Landscape Ecology
Forestry
geographical distribution
Global warming
Human influences
Human population density
Human populations
Humans
insect vectors
Insects
International trade
introduced species
invasive species
Laboratories
Lakes
Lepidoptera
Life Sciences
Long distance
Lymantriidae
Monochamus
Monochamus alternatus
Nematoda - growth & development
New records
Pest control
Pinus - classification
Pinus - parasitology
Population density
Railroads
Rivers
Roundworms
Science
Species
Species Specificity
Stochasticity
Transportation
Working groups
Zoology
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Summary:Background: Intensification of world trade is responsible for an increase in the number of alien species introductions. Human-mediated dispersal promotes not only introductions but also expansion of the species distribution via long-distance dispersal. Thus, understanding the role of anthropogenic pathways in the spread of invading species has become one of the most important challenges nowadays. Methodology/Principal Findings: We analysed the invasion pattern of the pinewood nematode in China based on invasion data from 1982 to 2005 and monitoring data on 7 locations over 15 years. Short distance spread mediated by long-horned beetles was estimated at 7.5 km per year. Infested sites located further away represented more than 90% of observations and the mean long distance spread was estimated at 111–339 km. Railways, river ports, and lakes had significant effects on the spread pattern. Human population density levels explained 87% of the variation in the invasion probability (P
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0004646