Invasive Alien Species

Ruud Luntz

MONITORING POTENTIAL INVASIVE SPECIES

Ludwigia grandiflora

Invasive Alien Species

Willem Stuulen

2004

1989 2004

Prunus serotina development

´

Bedekking

niet aanwezig

weinig (<1%)

veel (1%-10%)

zeer veel (>10%)

2004 - 2008 presence 75% -> 77%

2004

2008

2016

Our plan

Bedekkingsschaal

niet aanwezig

r

p

a

m1

m2

m4

1-

1+

2

3

4

5

6

7

8

9

´Black cherrydevelopment

2008-2012

´

Verschil 2008-2012

sterke afname

afname

gelijk

toename

sterke toename

Points of attention

• Make a strategic plan

• No compromises

• Invest everything to eliminate the invasive species

• Perceive invasive species

• Communicate about the management

Invasive Alien Species

Leon Terlouw

The third step: The necessary continuation.

- Communication and public support internal and external

- Funding

- The 5 most important issues/ lessons/ points of attention.

The necessary continuationwith examples from the dune area2008; 2009; 2015

Communication and public support internal

-try to involve your collegues andkeep them informed

Committing theneighbours

Communication and public support external

-cooperate with your neighbours

-keep telling your story

Funding: LIFE; PAS; own budgets

• Management during project, max. 5 years

• After LIFE: PAS

• Regular yearly budgets

• Volunteers?

The 5 most important issues/ lessons/points of attention

• Stay alert• Never think you are ready now

The 5 most important issues/ lessons/points of attention

• Check your area systematically; f.e. check 25% of your area every year

The 5 most important issues/ lessons/points of attention

• Make sure you have regularyearly budgets for invasivespecies

Involve volunteers but never get dependent on them

(Grazing helps)

Prevention is the best!

Healthy N2000 dune areaneeds never ending attention, care and ………acceptance that the work will never stop