oostvaardersplassen · • creating large scale grasslands for wetland related birds. introduction...
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OostvaardersplassenHistory, present and future
Danish Nature Conference21-08-2019
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The landscapes of the Oostvaardersplassen
• 3.600 ha marshland• 2.000 ha grassland• 1.500 ha nature (forest) in borderzones)
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Landscapes of the Oostvaardersplassen
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The Oostvaardersplassennew nature on a formersea bed
Oostvaardersplassen 1969• Lowest part of the polder
(planned industrial area)• Spontaneous vegetation • Attracting wetland birds• Agricultural development• Embankment to preserve the
marsh• European Bird Directive• Natura 2000 area since 2010
1974
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It all started with spontaneous vegetationdevelopment attracting high numbers of wetland related birds
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Conservational objectives Wetlandbirds(reed and open water)
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Introduction large herbivores
Oostvaardersplassen
Heck cattle 1983; 32 anim. Konik horse 1984; 18 anim.Red deer 1992; 44 anim.
• From 1996 whole area grazed• Creating large scale grasslands
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Introduction large herbivores
• Animal numbers not controlled by man• Area is fenced• No large predators• Early reactive culling• From 1996 whole area grazed• Creating large scale grasslands for wetland
related birds
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Introduction large herbivores
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Population dynamics large herbivores
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Reference: Oostvaardersplassen and Serengeti
Oostvaardersplassen vs. Serengeti
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Mortality and culling
Early reactive cullingto prevent unnecessary suffering
Total mortality (% pop.) Culling (% total mort.)
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Geese visiting the border zonefacilitation and competition
Population development Distribution over the year
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Area living habitat red deer and populationdevelopment
40 63104133181242307378457571
750949
11181126
1466
1758
19972126
23402454
2311
2055
23782229
1778
2650
1275
0
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1992
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2018
aanta
l
jaar; peildatum 1 mei
Red deer population since 1992
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Vegetation development border zone
1996
2012
2004
0
200
400
600
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1000
1996 2000 2004 2008 2012
oppe
rvla
kte
(ha)
jaar
vegetatieontwikkeling randzone
struweel
riet
riet-ruigte
0
200
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1996 2000 2004 2008 2012
oppe
rvla
kte
(ha)
jaar
vegetatieontwikkeling randzone
grazige ruigte
nat grasland
droog grasland
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Wood-pasture landscape / half open landscapeDue to grazing regime with cattle, horses and red deer
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Natural processes in the lead:Early reactive culling to prevent unneccesary suffering
ICMO 1 and ICMO 2 (2014)
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Longplay film: The new wilderness
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Change of policy responsibility:
2016 From National Government to Provincial Government
2017: Proposal to transform the management of the Oostvaardersplassen resultingin advice from the Commission Van Geel(by July 2018).
Feeding: March 2018
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Finances:
StaatsbosbeheerGovernmental Organisation with autonomous management
● 50% subsidies (Landscape and Nature)
● 50% Income from wood production, ground lease and
properties as well as other activities such as recreation
and excursions
● Increasingly in collaboration with local businesses and
municipalities.
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Social resistance
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● Social Media (facebook, twitter)
● Regular Media
● Feeding groups
● Threatening rangers and law-enforcers
Social resistance –shitstorm
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New policy on basis of report Commission Van Geel - April 2018
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Headline New Policy:What are the tasks?
1. Birds first
2. A varied and attractive landscape a.o. reduction of large
herbivore population
3. New Land National Park
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Population reduction
1. Reset of large herbivores (reduction to 1.100 anim.)
2. Culling of Red Deer
3. Transferring horses to other areas (Denmark ? )
4. Heck cattle untouched (stable population)
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Oostvaardersplassen in the pictureTowards a dynamic and amazing landscape
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Marshland reset
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Water in the grassy area
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Thank you for your attention
…Questions?