干旱区生态环境知识资源中心(Arid): Relief and edaphoclimatic conditions as influencing agents of CO2 release in Alagoas Caatinga, Brazil

Arid

DOI	10.1071/SR19156
	Relief and edaphoclimatic conditions as influencing agents of CO2 release in Alagoas Caatinga, Brazil
	Santos, Elida Monique da Costa 1; Araujo, Kallianna Dantas 2; Souza, Mayara Andrade 3; Gomes, Danubia Lins 4; Lira, Elba dos Santos 1; Junior Guimaraes, Sinval Autran Mendes 1; da Costa, Joao Gomes 5
通讯作者	Santos, Elida Monique da Costa
来源期刊	SOIL RESEARCH
ISSN	1838-675X
EISSN	1838-6768
出版年	2020
卷号	58 期号:3 页码:306-313
英文摘要	The release of carbon dioxide (CO2) occurs through soil respiration. However, release of CO2 from soil to the atmosphere is subject to interference from agents such as relief, edaphic and climatic conditions. Thus, this research aimed to quantify edaphic respiration related to edaphoclimatic factors in a toposequence area in Caatinga of Delmiro Gouveia, Alagoas, Brazil. The research was conducted from February 2013 to June 2014, with bimonthly collections during day and night. The soil CO2 losses, temperature measurements, soil water content and rainfall were quantified. We verified that, independent of the evaluated points, CO2 release was higher at night. Half-slope and shoulder were the areas with the highest emissions. Additionally, the CO2 emissions presented annual variation, increasing with the availability of soil water and showing peaks of release in the rainy season. Soil and air temperature had no direct influence on soil CO2 release; however, the highest CO2 emissions occurred when temperatures were moderate and stable. Therefore, the conservation of this unique Brazilian biome is necessary because the impacts of its disturbance can increase the level of CO2 released from the soil, increasing the amount of CO(2)in the atmosphere.
英文关键词	Brazilian semi-arid rainfall soil carbon dioxide soil moisture soil temperature
类型	Article
语种	英语
国家	Brazil
收录类别	SCI-E
WOS记录号	WOS:000526927400009
WOS关键词	SOIL ; EMISSION ; DECOMPOSITION ; TEMPERATURE ; MANAGEMENT ; INDEX
WOS类目	Soil Science
WOS研究方向	Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/315587
作者单位	1.Univ Fed Alagoas, Inst Geog Dev & Environm, Campus A,BR 104 Norte,Km 97,Cidade Univ, BR-57072970 Maceio, Alagoas, Brazil; 2.Univ Fed Alagoas, Postgrad Program Geog, Campus A,BR 104 Norte,Km 97,Cidade Univ, BR-57072970 Maceio, Alagoas, Brazil; 3.Univ Ctr Cesmac, Postgrad Program Environm Syst Anal, Campus 4,Rua Conego Machado 918, BR-57051160 Maceio, Alagoas, Brazil; 4.Univ Fed Alagoas, Postgrad Program Biol Div & Conservat Trop, Campus A,BR 104 Norte,Km 97,Cidade Univ, BR-57072970 Maceio, Alagoas, Brazil; 5.Univ Ctr Cesmac, Embrapa Coastal Tablelands ERU Rio Largo Postgrad, Campus 4,Rua Conego Machado 918, BR-57051160 Maceio, Alagoas, Brazil
推荐引用方式 GB/T 7714	Santos, Elida Monique da Costa,Araujo, Kallianna Dantas,Souza, Mayara Andrade,et al. Relief and edaphoclimatic conditions as influencing agents of CO2 release in Alagoas Caatinga, Brazil[J],2020,58(3):306-313.
APA	Santos, Elida Monique da Costa.,Araujo, Kallianna Dantas.,Souza, Mayara Andrade.,Gomes, Danubia Lins.,Lira, Elba dos Santos.,...&da Costa, Joao Gomes.(2020).Relief and edaphoclimatic conditions as influencing agents of CO2 release in Alagoas Caatinga, Brazil.SOIL RESEARCH,58(3),306-313.
MLA	Santos, Elida Monique da Costa,et al."Relief and edaphoclimatic conditions as influencing agents of CO2 release in Alagoas Caatinga, Brazil".SOIL RESEARCH 58.3(2020):306-313.