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Cited by 169 publications
(87 citation statements)
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References 63 publications
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“…In recent decades, the northern Equatorial Africa and Sahel region, where environmental changes are becoming increasingly apparent, was a hotspot of global ecosystem research [48][49][50]. In addition to being affected by natural factors such as inter-annual variability of rainfall, the impact of human activities was one of the critical causes of environmental degradation [51][52][53]. With the dramatic increase in population, infrastructure, and urbanization, the impact of human activities in this area is becoming more and more significant.…”
Section: Study Areamentioning
confidence: 99%
“…In recent decades, the northern Equatorial Africa and Sahel region, where environmental changes are becoming increasingly apparent, was a hotspot of global ecosystem research [48][49][50]. In addition to being affected by natural factors such as inter-annual variability of rainfall, the impact of human activities was one of the critical causes of environmental degradation [51][52][53]. With the dramatic increase in population, infrastructure, and urbanization, the impact of human activities in this area is becoming more and more significant.…”
Section: Study Areamentioning
confidence: 99%
“…On the other hand, lower NDVI values may indicate weaker photosynthetic activity and overall poorer vegetation health, due to likely unfavorable growing conditions (e.g., water stress, exposure to herbicide). The NDVI is typically used as indicator to monitor ecosystem health (e.g., Bento et al 2018;Flores-Cardenas et al 2018;Mariano et al 2018) and crop phenology (e.g., Mashaba et al 2016;Martin and Latheef 2017;Inurreta-Aguirre et al 2018). A number of studies (e.g., Thelen et al 2004;Dicke et al 2012;Lewis et al 2014;Prakash et al 2017) have demonstrated that NDVI is an effective index in detecting herbicide damage on plants.…”
Section: Remote Sensing Datamentioning
confidence: 99%
“…The caatinga is the dominant vegetation within the BSA, being quite rustic and heterogeneous as to its floristic composition, varying widely according to the meteorological conditions (mainly rainfall) and edaphic for each locality within the BSA, allowing greater or lesser supply of resources to local populations (Tomasella et al, 2018). In addition to this characteristic imposed by the environmental factors, the anthropic actions have contributed to the degradation and advancement in the desertification process of the Caatinga, due to the disorganized exploitation of the resources, reflecting in the socioeconomic follow-up of the region (Mariano et al, 2018).…”
Section: Literature Review Characterization Of the Environmentmentioning
confidence: 99%
“…In addition to the already existing factors that hinder agricultural production and the sustainability of BSA populations, several studies show a strong trend towards impacts in this region due to climate changes, such as the reduction of agricultural and livestock productivity, with an increase in the air temperature and the reduction of rainfall (Silva et al, 2017c;Marengo et al, 2017;Mariano et al, 2018). Due to the susceptibility of the agricultural ecosystems and of the Caatinga to the climate changes, livestock farming emerged as the main mean of financial support of the rural population (Nunes et al, 2016;Silva et al, 2017c).…”
Section: Literature Review Characterization Of the Environmentmentioning
confidence: 99%