Understanding fire intensity in the Sudanian savannah of Western Africa: Implications for sustainable fire management

被引：0
|
作者：
Zoffoun, Omobayo Ghislain [1 ,2 ]
Djagoun, Chabi A. M. S. [1 ]
Nguyen, Thanh Thi [3 ]
Sinsin, Brice [1 ]
Sogbohossou, Etotepe A. [1 ,4 ]
机构：
[1] Univ Abomey Calavi UAC, Fac Agron Sci, Lab Appl Ecol LEA, Abomey Calavi, Benin
[2] GeoEnvironm & Biodivers Conservat GeoEBC NGO, Cotonou, Benin
[3] Univ Kassel, Organ Plant Prod & Agroecosyst Res Trop & Subtrop, Witzenhausen, Germany
[4] Senghor Univ, Alexandria, Egypt
来源：
AFRICAN JOURNAL OF ECOLOGY | 2024年 / 62卷 / 02期
关键词：
BIOSPHERE RESERVE; REGIME; VEGETATION; FREQUENCY; LANDSCAPE;
D O I：
10.1111/aje.13278
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
The savannah ecosystem is influenced by seasonal fires that shape the landscape, with different fire intensities. The objective of this study is to assess the trend in fire intensity and the influence of the vegetation types. A linear regression model was employed to analyse the trend in fire intensity over the years. The results demonstrate a linear positive evolution of mean fire intensity over the years, with the highest fire intensity observed during the months of November to January. Woodland, shrub savannah and grassland areas exhibited high fire intensity, whereas wetland areas and forests displayed low fire intensity. Overall, remote sensing techniques can facilitate the monitoring of fire events, specifically fire intensity, in the savannah regions of West Africa, thereby aiding in the implementation of appropriate fire management plans. L'& eacute;cosyst & egrave;me de la savane est influenc & eacute; par des incendies saisonniers qui fa & ccedil;onnent le paysage, avec diff & eacute;rentes intensit & eacute;s de feu. L'objectif de cette & eacute;tude est d'& eacute;valuer la tendance de l'intensit & eacute; des incendies et l'influence des types de v & eacute;g & eacute;tation. Un mod & egrave;le de r & eacute;gression lin & eacute;aire a & eacute;t & eacute; utilis & eacute; pour analyser la tendance de l'intensit & eacute; des incendies au fil des ans. Les r & eacute;sultats montrent une & eacute;volution positive lin & eacute;aire de l'intensit & eacute; moyenne des incendies au fil des ans, l'intensit & eacute; la plus & eacute;lev & eacute;e & eacute;tant observ & eacute;e au cours des mois de novembre & agrave; janvier. Les zones bois & eacute;es, les savanes arbustives et les prairies pr & eacute;sentaient une intensit & eacute; d'incendie & eacute;lev & eacute;e, tandis que les zones humides et les for & ecirc;ts pr & eacute;sentaient une faible intensit & eacute; d'incendie. Dans l'ensemble, les techniques de t & eacute;l & eacute;d & eacute;tection peuvent faciliter la surveillance des incendies, en particulier l'intensit & eacute; des incendies, dans les r & eacute;gions de savane de l'Afrique de l'Ouest, contribuant ainsi & agrave; la mise en oe uvre de plans de gestion des incendies appropri & eacute;s.
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页数：6
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