romain julliard - · pdf fileinvolving the general public into biodiversity monitoring:...
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![Page 1: Romain Julliard - · PDF fileInvolving the general public into biodiversity monitoring: limits and successes Romain Julliard](https://reader031.vdocuments.us/reader031/viewer/2022011800/5abe86a47f8b9ab02d8d03d8/html5/thumbnails/1.jpg)
Involving the general public into biodiversity monitoring:
limits and successes
Romain Julliard
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Why being concerned by the fate of ordinary nature?
• Common species are good indicators
• Appropriate for studying global changes
• The general public is interested
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But a complex organization
Animation
Analysis
Conception
Observers network
Data
Field methods
Biodiversity monitoring: a simple equation
+=
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But a complex organization
Animation
Analysis
Conception
Indicator
Scientific knowledge
Popularization
Observers network
Data
Field methods+=
Biodiversity monitoring: a simple equation
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Our solution : participatory monitoring scheme
Validation
Data
Volunteer Observer network
Coordination : Animation / Research
-Cost / Benefit
- Legitimity
- Cost / Benefit
- Quality control
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Monitoring scheme: a matter of trade-offs
(1) Observer network :Skills vs numbers
(2) Sampling design:Better representativity, but
send observers where they do not chose to go
=> (3) Simple Protocole
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1370 carrés suivis au moins une fois entre 2001 et 2006
105 espèces
The French Breeding Bird Survey:Animations locales :
Plan d’échantillonnage :
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Citizens counting butterflies in their garden:
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2005 : the birth of the project
•
Scientific organization coordinating biodiversity monitoring in France based on volunteers(e.g., Breeding Bird Survey)
(*)
(*) Noé : French for Noah
•
French NGO promoting biodiversity conservation
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2005 : the birth of the project
Gather data on butterfly
Gather data on private gardens (1 million ha)
Educate people: biodiverity is in your garden!
Raise issues: there are 4 times more pesticides in a garden than in a cereal field
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2005 : the birth of the project
Few people involved in the coordination:
=> entirely Web-based
Favor large participation
=> simple, attractive protocol
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You need to go in your garden
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You need to see a butterfly
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You have to identify the butterfly
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You have to count the number of individuals of the same species simultaneously present in your garden…
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Monthly count sheet
At the end of each month, report the maximum number of each species on the web site
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Frequency of visits
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Garden description: (1) landscape
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Garden description: (2) Composition & practice
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21 March 2006 : official start of the project
=> Immediat and unexpected mediatic success !!
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232 000 butterflies counted in 2006
19 695 registered people
3 503 gardens in 20063 982 gardens in 2007
Result overview
14 300 monthly counts in 2006
16 800 monthly counts in 2007
193 000 butterflies counted in 2007
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A few results…
Effect of urbanisation on local abondance of common
butterfly
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2
3
4
5
6
0 0.2 0.4 0.6 0.8 1
% de milieu artificiel dans la commune
0.5
0.9
1.3
1.7
2.1
2.5
0 0.2 0.4 0.6 0.8 1
% de milieu artificiel dans la commune
Indi
ce d
’abo
ndan
ce
Indi
ce d
’abo
ndan
ce
% urbanisation
% urbanisation26 Species / 28
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The different butterfly species are more or less tolerant to urbanisation
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Common butterflies, indicator of urbanisation intensity
Urban Tolerant Urban Avoiders
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Garden description: (2) Composition & practice
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Butterfly
abu
ndance
Garden Naturality Index
Most species benefit from nature‐friendly pratices
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Sensitivity to
urbanisation
Sensitivity to nature‐friendly practices
0
0
Species that benefit from good practice in
the garden are those that are the most
strongly affected by urbanisation
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Suivi
Photographiquedes
Insectes
POLLinisateurs
Une initiative labellisée
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Pollination, a degraded ecological function (and service)
Pollination : diversity
matters
Multi‐factor pressure
: climate warming, urbanisation, agriculture intensification
A flower‐dwelling InsectsSurvey ?
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Many sampling sites required, but very few specialists
a few thoudands flower‐dweling insects in France!!
A solution : a survey based on amateur photographs
A flower‐dwelling InsectsSurvey ?
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Le Suivi Photographiquedes Insectes POLLinisateurs
SPIPOLL, devenez un paparazzi des abeilles !
First step
Establish a photographic collection of all species seen
feeding on a given flowering plant species, at a given time
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20 minutes
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=> On line identification guide
Le Suivi Photographiquedes Insectes POLLinisateurs
Second step
Found a name for each insect
SPIPOLL, devenez un paparazzi des abeilles !
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After 4 months, > 5,000 people have registered670 contributed 2,000 collections > 11,000 photos
Le Suivi Photographiquedes Insectes POLLinisateurs
Third step
Share your collection on the Internet
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Raisons for success
• Motivation to participate:– > contribute to science
– > self-learning !
« Before, in my garden, there were only butterflies, now, there are painted laidies, red admirals, swallowtails
»
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But high turn-over of observer
Number of month in the scheme
Nom
bre
de ja
rdin
s
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Propose new activities ! Studying parasitism rate around Paris
Cotesia glomerata
Perspectives
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Studying
parasitism
rate in 30 gardens around
Paris
Perspectives
% urbanisation
Taux de parasitisme
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Merci pour votre attention !
www2.mnhn.fr/vigie-nature