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17ème Rencontre Annuelle du Groupe d’Intérêt Sahélo-Saharien
2 jours de conférences sur la conservation de la biodiversité au Sahara et au Sahel
Feux de brousse au Tchad
Mahamat HASSAN HATCHA, Coordonateur– Réserve de Faune de Ouadi Rimé –
Ouadi Achim
4	– 6	mai	2017
Les	feux	de	brousse		dans	la Réserve de	
Faune de	Ouadi Rimé-Ouadi Achim
Par	:	Mr	MAHAMAT	HASSAN	HATCHA
Coordonnateur de	la	Réserve de	Faune de	Ouadi Rimé-Ouadi	Achim
Historique	de	la	Réserve
-Date	de	création: le	10/05/1969
-Acte:	décret	N°135/PR/EFPC/PNR.
-Superficie:7	795	000	.
-Objectif	de	la	création:	protection	de	l’Oryx	,	l’Addax,	du	
Guépard	et	de	l’Autriche.
Localisation	
Situé dans la	partie
sahélo-saharienne du	
Centre	–Nord	du	Tchad
14°-17.5°N
17.2°-21.5°E
Cartographie	des	feux	de	brousse
• Cartographie	
des	feux	de	
brousse	dans	la	
partie-Est	de	la	
Réserve	allant	
d’Octobre	2016	
à	Mars	2017.
Superficies	mesurées
08	Oct	16		- 12.1	km2
16	Nov	 16		- 327.0	km2
28	Nov	16	- 36.4	km2
06	Dec	16		- 767.0	km2
17	Dec		16		- 262.0	km2
01	Mars	17		- 13.6	km2
30	Mars	17		- 43.0	km2
• Total:	1	464.1	km2
• Soit 1,87 %
Les	causes	des	feux	dans	la	Réserve
• Accidentellement	par	des	éleveurs;
• Les	pots	d’échappement	des
véhicules	à	essence;
• Les	orpailleurs	traversant	la	Réserve;
• Certains	transhumants	volontairement.
Conséquences
• Perte	de	la	biodiversité	;
• Disparition	de	cératines	espèces	végétales;	
• Erosion	du	sol;
• Déplacement	de	la	faune;
• Compétition	entre	la	faune	et	le	bétail;
• Vulnérabilité	de	la	faune	à	certaines	maladies;
Moyens	de	lutte	contre	le	feu
• Branches	des	arbres	
tractées	Par	des	véhicules		
pour	faire	des	pare	feux;
• Utilisation	des	petits	
branches	par	les	personnes.
Moyens	de	lutte	contre	le	feu
• Utilisation	d’un	tracteur
pour	faire	un	pare	feu	de	
rayon	de	3km	du	site	oryx
Recommandations
• Doter	la	Réserve	d’un	plan	d’amenagement;
• Doter	la	Réserve	d’un	tracteur	à	rotary;
• Faire		des	pare-feux	en	utilisant	un	tracteur	à	
partir	de	mois	de	septembre;
• Sensibiliser	les	éleveurs	sur	le	danger	de	feu;
• Augmenter	le	nombre	des	gardes;
• Limiter	la	traversée	de	la	réserve	par	des	
véhicules.
Merci	de	votre	attention

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