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FORECASTING THE EFFECTS OF
ELEVATED NUTRIENT LEVELS ON
VULNERABILITY TO INVASION
TRAITS VERSUS OBSERVATIONS
Wout Van Echelpoel, Peter L. M. Goethals
02/10/2019
DEPARTMENT OF ANIMAL SCIENCES AND AQUATIC ECOLOGY
RESEARCH GROUP AQUATIC ECOLOGY
2
NP
K
3
4
5
Potential to invade?
Vulnerability to invasion?
Strength of existing population?
Lemna minuta
Lemna minor
1. POTENTIAL TO INVADE
6
16:8 20 °C
Nutrients
C1 C2 C3 C4 C5
1. POTENTIAL TO INVADE – GROWTH
7
Nutrients
C1 C2 C3 C4 C5
2. INVASION VULNERABILITY
8
DATASETECOSYSTEM
MODEL
TRAINING
2. INVASION VULNERABILITY – PRESENCE
9
2. INVASION VULNERABILITY – PRESENCE
10
CONCLUSION
Traits do not suffice to predict
invasive behaviour
11
Observations provide more
reliable information
But can only be done if
invader is already present…
12
Thank you for your attention!
¡Gracias por su atención!
Wout Van EchelpoelAcademic Assistant – PhD candidate
DEPARTMENT OF ANIMAL SCIENCES AND AQUATIC ECOLOGY
T +32 9 264 38 94
M +32 486 51 98 48
www.ugent.be
Ghent University
@ugent
Ghent University