enjeux de conservation du buffle syncerus caffer...
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![Page 1: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/1.jpg)
Enjeux de conservation du buffle (Syncerus
caffer
brachyceros) au Parc Régional W (Burkina Faso, Bénin, Niger).
Daniel Cornélis
(Cirad
Agirs
&
Cefe)Simon Benhamou
(CNRS Cefe
)
Cédric Gaucherel
(INRA Amap)
Georges Janeau
(INRA Cefs)
Marie‐Noel
de
Visscher
(Cirad
Agirs)
![Page 2: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/2.jpg)
African buffalo : a wide range and an extremely variable morphology
![Page 3: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/3.jpg)
African buffalo : an ideal subject for intra‐specific comparison
![Page 4: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/4.jpg)
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Burkina Faso
Niger
Bénin
Nigeria
GhanaComplexe WAP
Parc transfrontalierParc NationalRéserve totaleRéserve partielleZone de chasseEnclave
100 0 100 Kilometres
African
buffalo
: an emblematic
species
for nature‐based
tourism
in WAP Complex
![Page 5: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/5.jpg)
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Burkina Faso
Niger
Bénin
Nigeria
GhanaComplexe WAP
Parc transfrontalierParc NationalRéserve totaleRéserve partielleZone de chasseEnclave
100 0 100 Kilometres
African
buffalo
: an emblematic
species
for nature‐based
tourism
in WAP Complex
![Page 6: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/6.jpg)
Study area : W Regional Park (10.000 km2)W Regional
Park : an untamed
ecosystem
in an ocean
of desertification
![Page 7: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/7.jpg)
Buffalo & cattle
herds
distribution in early
wet
season
(Aerial
count, 2003)
Source : Bouché
& al. 2003
![Page 8: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/8.jpg)
Recherche
Gestion du Parc
Augmenter la charge en buffle du Parc pour améliorer la qualité
des prestations touristiques
Objectifs
Mieux comprendre la dynamique spatio‐temporelle de la population de buffles du Parc W
![Page 9: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/9.jpg)
Tracking
GPS (2007 & 2008) ‐> 7 mixed herds
![Page 10: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/10.jpg)
Herds
1 to 7 : scatter
of points
![Page 11: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/11.jpg)
Herds
1 to 7 : annual
home ranges
![Page 12: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/12.jpg)
Movement
data segmentation
![Page 13: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/13.jpg)
Locations of a herd in late dry season (3h GPS fix interval)
![Page 14: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/14.jpg)
Utilisation distribution (UD) estimated with a classical kernel method (LSCV)
![Page 15: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/15.jpg)
Designing a movement‐based kernel density estimator
![Page 16: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/16.jpg)
Taking obvious boundaries into account
![Page 17: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/17.jpg)
Dry season
ranges : space
is
partitioned
according
to surface water access
Herd
5
Herd
6
Herd
7
![Page 18: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/18.jpg)
11 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 19: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/19.jpg)
12 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 20: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/20.jpg)
13 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 21: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/21.jpg)
14 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 22: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/22.jpg)
15 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 23: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/23.jpg)
16 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 24: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/24.jpg)
17 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 25: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/25.jpg)
18 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 26: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/26.jpg)
19 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 27: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/27.jpg)
20 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 28: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/28.jpg)
21 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 29: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/29.jpg)
22 / 04 /2007
Transition late
dry season
‐> early
wet
season
![Page 30: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/30.jpg)
23 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 31: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/31.jpg)
24 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 32: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/32.jpg)
25 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 33: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/33.jpg)
26 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 34: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/34.jpg)
27 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 35: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/35.jpg)
28 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 36: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/36.jpg)
29 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 37: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/37.jpg)
30 / 04 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 38: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/38.jpg)
01 / 05 /2007
Transition late
dry season
‐> early
wet
season
![Page 39: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/39.jpg)
02 / 05 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 40: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/40.jpg)
02 / 05 /2007
Transition late
dry season
‐> early
wet
season
Herd
5
Herd
6
Herd
7
![Page 41: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/41.jpg)
Utilisation Distribution (UD) overlaps
analysis
shows that
:
1. Space
is
partitioned
according
to watersheds
:
o Herds mainly exploit on one side of their main river.
o Home range is limited to the separation line of the adjacent water basin.
2.All year round, Overlap between herds is very low :
herds tend to exploit exclusive areas
![Page 42: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/42.jpg)
Comparison with WRP buffalo with Southern Africa subspecies :
o Herd sizes are smaller (150 >< 1500 in SE Africa).
o Annual ranges are bigger (170‐620 km2 >< max 290 km2 in SE Africa).
o Herds carry out seasonal short‐distance migrations.
o Adjacent herds tend to exploit exclusive ranges.
Conclusion
In WRP, space use patterns analysis suggests that
spatial and demographic expansions are strongly limited
by resource availability (water, forage) .
![Page 43: Enjeux de conservation du buffle Syncerus caffer …agritrop.cirad.fr/554389/2/document_554389.pdfEnjeux de conservation du buffle (Syncerus caffer brachyceros) au Parc Régional W](https://reader031.vdocuments.pub/reader031/viewer/2022022807/5d023ac288c99365078c36f1/html5/thumbnails/43.jpg)
Remerciements
Programme Parc Régional W Ecopas (Union Européenne)
Fondation Internationale pour la Sauvegarde de la Faune
Agence Nationale pour la Recherche