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DOI	10.1002/ldr.3740
	Monitoring desertification in semiarid Brazil: Using the Desertification Degree Index (DDI)
	Vendruscolo, Jhony; Perez Marin, Aldrin M.; dos Santos Felix, Evaldo; Ferreira, Karoline R.; Cavalheiro, Wanderson C. S.; Fernandes, Izaias M.
通讯作者	Vendruscolo, J
来源期刊	LAND DEGRADATION & DEVELOPMENT
ISSN	1085-3278
EISSN	1099-145X
英文摘要	Desertification is a phenomenon that takes place in the arid, semiarid and dry subhumid areas of the Planet. Although its causes and consequences are well known, data and robust information are often insufficient to provide indicators that allow desertification effects to be measured precisely and efficiently. Accordingly, the objective of this study was to introduce a methodology for the drafting of a monitoring index for desertification, with indicators of vegetal coverage, taking the semiarid area of Paraiba State, Brazil, as the test example. For this purpose, we analyzed conserved and desertified areas (22 pairs), in which we evaluated the following parameters: woody species richness, woody plant density, canopy height, mean basal circumference, mean circumference at breast height and total absolute dominance. First, we selected the indicators, calculated the areas of coverage and measured the reference values. Subsequently, we obtained masses for the indicators, and developed and tested the desertification degree index (DDI). The DDI showed 99% accuracy and 95% efficiency, respectively, and was able to select indicators and evaluate the level of desertification in the test areas. The methodology is simple, inexpensive and replicable in other regions of the world as a means of monitoring and planning strategies to counter desertification.
英文关键词	caatinga environmental degradation environmental quality reference values
类型	Article ; Early Access
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000573006400001
WOS关键词	QUALITY INDEX ; SOIL ; REGION ; MAIZE ; STATE ; AREAS
WOS类目	Environmental Sciences ; Soil Science
WOS研究方向	Environmental Sciences & Ecology ; Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/328278
作者单位	[Vendruscolo, Jhony] Dept Soil & Rural Engn, Areia, Brazil; [Perez Marin, Aldrin M.] Univ Fed Paraiba, Soil & Rural Engn Dept, Areia, Paraiba, Brazil; [Perez Marin, Aldrin M.; dos Santos Felix, Evaldo] Inst Nacl Semiarido, Plant Prod Ctr, Campina Grande, Paraiba, Brazil; [Ferreira, Karoline R.] Univ Fed Santa Catarina, Rural Engn Dept, Florianopolis, SC, Brazil; [Cavalheiro, Wanderson C. S.] Engn Rural & Empresarial LTDA, Res & Rural Extens, Rolim De Moura, Brazil; [Fernandes, Izaias M.] Univ Fed Rondonia, Lab Ecol & Conservacao Biodiversidade, Rolim De Moura, Brazil; [Vendruscolo, Jhony] Univ Fed Amazonas, Agr Engn & Soil Dept, Manaus, Amazonas, Brazil
推荐引用方式 GB/T 7714	Vendruscolo, Jhony,Perez Marin, Aldrin M.,dos Santos Felix, Evaldo,et al. Monitoring desertification in semiarid Brazil: Using the Desertification Degree Index (DDI)[J].
APA	Vendruscolo, Jhony,Perez Marin, Aldrin M.,dos Santos Felix, Evaldo,Ferreira, Karoline R.,Cavalheiro, Wanderson C. S.,&Fernandes, Izaias M..
MLA	Vendruscolo, Jhony,et al."Monitoring desertification in semiarid Brazil: Using the Desertification Degree Index (DDI)".LAND DEGRADATION & DEVELOPMENT