干旱区生态环境知识资源中心(Arid): Spatial distribution of soil carbon storage in desert shrubland ecosystems of northwest Mexico

Arid

DOI	10.1016/j.jaridenv.2020.104251
	Spatial distribution of soil carbon storage in desert shrubland ecosystems of northwest Mexico
	Ayala-Nino, Fernando; Maya-Delgado, Yolanda; Garcia-Calderon, Norma E.; Olmedo, Guillermo; Guevara, Mario; Troyo-Dieguez, Enrique
通讯作者	Maya-Delgado, Y
来源期刊	JOURNAL OF ARID ENVIRONMENTS
ISSN	0140-1963
EISSN	1095-922X
出版年	2020
卷号	183
英文摘要	The scarce information about soil carbon (C) storage in water-stressed ecosystems limits our understanding on soil contribution to the C cycle in arid zones. This study, performed in arid NW Mexico: (i) estimated soil capacity to store organic C (SOC) and inorganic C (SIC) linked to topography; (ii) determined the spatial distribution of regional SOC stocks; and (iii) analysed if different land-uses affect the C:N ratio. Contents of SOC from different landforms and land uses varied from <0.2 to -45 Mg ha(-1); shallow mountain soils and alluvial plains showed the minimum and maximum values, respectively, underlying the topography relevance to soil depth. The SIC varied from <0.05 to-32 Mg ha(-1), highlighting inorganic C storage. With SOC content data and environmental databases, this study achieved the regional spatial distribution of SOC stocks (0-30 cm) by predicting modelling. The average SOC stock (0-30 cm) was estimated in 25 +/- 9.9 Mg ha(-1) for the region. Changes in land-use from natural conditions apparently reduced N content, varying C:N ratio from 7.90 to 13.68 and reflecting the importance of land management. The results confirmed the value of arid soils to store C and their contribution to global C and N cycles.
英文关键词	Soil carbon sequestration Modelling soil carbon distribution Carbon to nitrogen ratio Aridity Geomorphic units
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000571194500004
WOS关键词	ORGANIC-CARBON ; STOCKS ; NITROGEN
WOS类目	Ecology ; Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
来源机构	Universidad Nacional Autónoma de México
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/326386
作者单位	[Ayala-Nino, Fernando] Univ Nacl Autonoma Mexico, Lab Edafol, Fac Estudios Super Iztacala, UBIPRO, Tlalnepantla, Mexico; [Maya-Delgado, Yolanda; Troyo-Dieguez, Enrique] CIBNOR, Ctr Invest Biol Noroeste, La Paz, Bcs, Mexico; [Garcia-Calderon, Norma E.] Univ Nacl Autonoma Mexico, Lab Conservac & Rehabilitac Recursos Edaf, UMDI J, Fac Ciencias, Juriquilla, Queretaro, Mexico; [Olmedo, Guillermo] INTA EEA Mendoza, RA-3853 Mendoza, Argentina; [Guevara, Mario] Univ Delaware, Dept Plant & Soil Sci, Newark, DE 19717 USA
推荐引用方式 GB/T 7714	Ayala-Nino, Fernando,Maya-Delgado, Yolanda,Garcia-Calderon, Norma E.,et al. Spatial distribution of soil carbon storage in desert shrubland ecosystems of northwest Mexico[J]. Universidad Nacional Autónoma de México,2020,183.
APA	Ayala-Nino, Fernando,Maya-Delgado, Yolanda,Garcia-Calderon, Norma E.,Olmedo, Guillermo,Guevara, Mario,&Troyo-Dieguez, Enrique.(2020).Spatial distribution of soil carbon storage in desert shrubland ecosystems of northwest Mexico.JOURNAL OF ARID ENVIRONMENTS,183.
MLA	Ayala-Nino, Fernando,et al."Spatial distribution of soil carbon storage in desert shrubland ecosystems of northwest Mexico".JOURNAL OF ARID ENVIRONMENTS 183(2020).