Non-native populations of an invasive tree outperform their native conspecifics
Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › begutachtet
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Non-native populations of an invasive tree outperform their native conspecifics. / Hirsch, Heidi; Hensen, Isabell; Wesche, Karsten et al.
in: AoB PLANTS, Jahrgang 8, plw071, 13.10.2016.Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › begutachtet
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TY - JOUR
T1 - Non-native populations of an invasive tree outperform their native conspecifics
AU - Hirsch, Heidi
AU - Hensen, Isabell
AU - Wesche, Karsten
AU - Renison, Daniel
AU - Wypior, Catherina
AU - Hartmann, Matthias
AU - von Wehrden, Henrik
PY - 2016/10/13
Y1 - 2016/10/13
N2 - Introduced plants often face new environmental conditions in their non-native ranges. To become invasive, they need to overcome several biotic and abiotic filters that may trigger adaptive changes in life-history traits, like postgermination processes. Such early life cycle traits may play a crucial role in the colonization and establishment success of invasive plants. As a previous study revealed that seeds of non-native populations of the woody Siberian elm, Ulmus pumila, germinated faster than those of native populations, we expected growth performance of seedlings to mirror this finding. Here, we conducted a common garden greenhouse experiment using different temperature and watering treatments to compare the biomass production of U. pumila seedlings derived from 7 native and 13 populations from two non-native ranges. Our results showed that under all treatments, non-native populations were characterized by higher biomass production and enhanced resource allocation to aboveground biomass compared to the native populations. The observed enhanced growth performance of non-native populations might be one of the contributing factors for the invasion success of U. pumila due to competitive advantages during the colonization of new sites.
AB - Introduced plants often face new environmental conditions in their non-native ranges. To become invasive, they need to overcome several biotic and abiotic filters that may trigger adaptive changes in life-history traits, like postgermination processes. Such early life cycle traits may play a crucial role in the colonization and establishment success of invasive plants. As a previous study revealed that seeds of non-native populations of the woody Siberian elm, Ulmus pumila, germinated faster than those of native populations, we expected growth performance of seedlings to mirror this finding. Here, we conducted a common garden greenhouse experiment using different temperature and watering treatments to compare the biomass production of U. pumila seedlings derived from 7 native and 13 populations from two non-native ranges. Our results showed that under all treatments, non-native populations were characterized by higher biomass production and enhanced resource allocation to aboveground biomass compared to the native populations. The observed enhanced growth performance of non-native populations might be one of the contributing factors for the invasion success of U. pumila due to competitive advantages during the colonization of new sites.
KW - Biomass
KW - Genetic shift
KW - Greenhouse
KW - Post-germination traits
KW - Shoot-root ratio
KW - Ulmus pumila
KW - Biology
KW - Ecosystems Research
UR - http://www.scopus.com/inward/record.url?scp=85016066472&partnerID=8YFLogxK
U2 - 10.1093/aobpla/plw071
DO - 10.1093/aobpla/plw071
M3 - Journal articles
C2 - 27742647
AN - SCOPUS:85016066472
VL - 8
JO - AoB PLANTS
JF - AoB PLANTS
SN - 2041-2851
M1 - plw071
ER -