department of animal sciences and aquatic …...research group aquatic ecology. 2 n p k. 3. 4. 5...

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

E wout.vanechelpoel@ugent.be

T +32 9 264 38 94

M +32 486 51 98 48

www.ugent.be

Ghent University

@ugent

Ghent University