干旱区生态环境知识资源中心(Arid): Physical-hydric attributes and soil CO2 efflux in pastoral systems in a Brazilian semi-arid environment

Arid

DOI	10.1007/s10457-023-00866-8
	Physical-hydric attributes and soil CO2 efflux in pastoral systems in a Brazilian semi-arid environment
	Simoes, Vicente Jose Laamon Pinto; de Souza, Eduardo Soares; Leite, Mauricio Luiz de Mello Vieira; Souza, Rodolfo; Silva, Jose Raliuson Inacio; Sales, Aldo Torres; Tabosa, Jose Nildo; Lima, Jose Romualdo de Sousa; Antonino, Antonio Celso Dantas
通讯作者	Simoes, VJLP
来源期刊	AGROFORESTRY SYSTEMS
ISSN	0167-4366
EISSN	1572-9680
出版年	2023
卷号	97 期号:8 页码:1421-1433
英文摘要	The positive balance between inputs/outputs of carbon in wooded pastures may be associated with soil physical-hydric attributes. These relationships are not totally known. This study aims to examine the relation between soil physical-hydric parameters with balance between primary production (carbon input) and soil respiration (carbon output). The study was carried out in three grazing systems: A Urochloa mosambicensis grass pasture (LU1), a silvopastoral system with U. mosambicensis and tree legume (LU2), and an area with U. mosambicensis and a herbaceous legume (LU3). The soil CO2 efflux (ECO2) and ten indicators of soil physical-hydric quality were measured: macroporosity, aeration capacity, plant-available water capacity (PAWC), relative field capacity (RFC), characteristic pore radius, quantity of hydraulically active pores, sorptivity, saturated hydraulic conductivity, soil bulk density, and soil penetration resistance. The leaf area index was used as an indicator of forage production. In the dry period, LU2 had averages of 0.17 m(3) m(-3) (PAWC) and 0.63 (RFC), while LU1 and LU3 both had an PAWC of 0.14 m(3) m(-3) and RFC of 0.54 and 0.57, respectively. This study provides the first evidence that soil physical-hydric attributes, specifically the plant-available water capacity and the connectivity of pores with wooded pastures, in semi-arid regions, favors a positive carbon balance in these systems (higher input/lower output).
英文关键词	Plant-available water capacity Leaf area index Pasture degradation Silvopastoral system Soil respiration
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001010091400001
WOS关键词	HYDRAULIC-PROPERTIES ; VOLCANIC SOILS ; LAND-USE ; QUALITY ; INDICATORS ; MANAGEMENT
WOS类目	Agronomy ; Forestry
WOS研究方向	Agriculture ; Forestry
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/395168
推荐引用方式 GB/T 7714	Simoes, Vicente Jose Laamon Pinto,de Souza, Eduardo Soares,Leite, Mauricio Luiz de Mello Vieira,et al. Physical-hydric attributes and soil CO2 efflux in pastoral systems in a Brazilian semi-arid environment[J],2023,97(8):1421-1433.
APA	Simoes, Vicente Jose Laamon Pinto.,de Souza, Eduardo Soares.,Leite, Mauricio Luiz de Mello Vieira.,Souza, Rodolfo.,Silva, Jose Raliuson Inacio.,...&Antonino, Antonio Celso Dantas.(2023).Physical-hydric attributes and soil CO2 efflux in pastoral systems in a Brazilian semi-arid environment.AGROFORESTRY SYSTEMS,97(8),1421-1433.
MLA	Simoes, Vicente Jose Laamon Pinto,et al."Physical-hydric attributes and soil CO2 efflux in pastoral systems in a Brazilian semi-arid environment".AGROFORESTRY SYSTEMS 97.8(2023):1421-1433.