Project Details
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Heterogeneity of patterns and processes along biological invasion successions

Applicant Professor Thorsten Reusch, Ph.D., since 1/2014
Subject Area Ecology and Biodiversity of Plants and Ecosystems
Evolution, Anthropology
Ecology and Biodiversity of Animals and Ecosystems, Organismic Interactions
Term from 2013 to 2018
Project identifier Deutsche Forschungsgemeinschaft (DFG) - Project number 243421602
 
Final Report Year 2018

Final Report Abstract

Biological invasions occur when barriers limiting species distributions are broken-down, allowing species to extend beyond their natural range areas. In the last century, rates of biological invasions severely increased due to human activities, and are major components of global changes, sometimes generating severe economical and societal disequilibrium. The ecological and evolutionary dynamics over the course of invasion remain to be elucidated in order to predict future patterns of invasion. PROBIS aimed at identifying relevant phenotypic and genetic traits that underpin a species ability to invade a new environment. PROBIS innovatively scaled down to the intraspecific level to identify these relevant biological traits. To do so, this pan-European project combined field surveys, genomic tools, large-scale semi-natural experiments and computational modeling on three model organisms (i.e. a fish, a parasite and a dragonfly) that have clear ecological and socio-economic impacts. The coupling of all these approaches allowed us to identify a suite of phenotypic traits, in each species, differing between recent and older populations, the mechanisms underlying these differences and their consequences on a large spatio-temporal scale. The ultimate goal of PROBIS has been to provide stakeholders with a predictive toolbox, using these biological parameters, to better forecast the success and rate of invasion of potential invasive species and develop mitigation strategies accordingly.

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