Close

1. Identity statement
Reference TypeJournal Article
Sitemtc-m21d.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34T/47GU5CL
Repositorysid.inpe.br/mtc-m21d/2022/08.29.12.12   (restricted access)
Last Update2022:08.29.12.12.26 (UTC) simone
Metadata Repositorysid.inpe.br/mtc-m21d/2022/08.29.12.12.26
Metadata Last Update2023:01.03.16.46.14 (UTC) administrator
DOI10.1016/j.geodrs.2022.e00565
ISSN2352-0094
Citation KeySantosVJCNSSOMN:2022:ClCoEf
TitleClimatic control effect on the soil nitrogen isotopic composition in Alisols across the physiographic regions of Pernambuco State, Northeast Brazil
Year2022
MonthSept.
Access Date2024, May 11
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size1525 KiB
2. Context
Author 1 Santos, Fábio Luís Souza
 2 Vasconcelos, Vinicius
 3 Jesus, Kennedy de
 4 Couto Junior, Antonio Felipe
 5 Neves, Glauber
 6 Sena-Souza, João Paulo
 7 Sampaio, Everardo
 8 Ometto, Jean Pierre Henry Balbaud
 9 Menezes, Rômulo
10 Nardoto, Gabriela Bielefeld
Group 1
 2
 3
 4
 5
 6
 7
 8 DIPE3-COGPI-INPE-MCTI-GOV-BR
Affiliation 1 Universidade de Brasília (UnB)
 2 Universidade de Brasília (UnB)
 3 Universidade Federal de Pernambuco (UFPE)
 4 Universidade de Brasília (UnB)
 5 Universidade de Brasília (UnB)
 6 Universidade Estadual de Montes Claros (UEMC)
 7 Universidade Federal de Pernambuco (UFPE)
 8 Instituto Nacional de Pesquisas Espaciais (INPE)
 9 Universidade Federal de Pernambuco (UFPE)
10 Universidade de Brasília (UnB)
Author e-Mail Address 1 fabio.luis92@gmail.com
 2
 3
 4
 5
 6
 7
 8 jean.ometto@inpe.br
JournalGeoderma Regional
Volume30
Pagese00565
History (UTC)2022-08-29 12:12:26 :: simone -> administrator ::
2022-08-29 12:12:29 :: administrator -> simone :: 2022
2022-08-29 12:13:36 :: simone -> administrator :: 2022
2023-01-03 16:46:14 :: administrator -> simone :: 2022
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
KeywordsAlisols
Caatinga
Clay content
Climatic gradient
Precipitation
Temperature
AbstractSoil nitrogen dynamics in terrestrial ecosystems can be evaluated by analyzing the natural abundances of N isotope ratio mass spectrometry (δ15N) because δ15N integrates decades of organic matter transformations in the soil. On a large scale, the δ15N of soil organic matter across climate gradients may provide critical insights into understanding regional patterns of N cycling. However, the mechanisms that control N cycling in some tropical regions still present critical gaps, particularly in dry ecosystems. We evaluated the variation of soil δ15N in Alisols along the climatic gradient of three physiographic regions in Northeast Brazil: Zona da Mata (humid, rainfall well distributed throughout the year), Agreste (subhumid, rainfall concentrated in 57 months), and Sertão (semiarid, rainfall in highly intense events, concentrated over 35 months). Soil samples were collected at the 020 cm depth layer and analyzed for physical and chemical characteristics, including soil δ15N, by mass spectrometry. A linear model with physical biological, chemical, and climatic variables was generated to explain the spatial distribution of the soil δ15N. The map modeled values δ15N for Pernambuco State was produced using all observed values and the best-performing explicit spatial predictive variables in the model selection pH, clay content, mean temperature, mean precipitation, and potential of evapotranspiration. Soil δ15N was positively related to clay content and negatively associated with the pH, temperature, rain, and evapotranspiration, expressing differences in nitrogen dynamics along the climatic gradient. In the Sertão, the low and erratic rainfall combined with a neutral pH and high temperature provide adequate conditions for nitrogen transformations and cause high soil δ15N.
AreaCST
doc Directory Contentaccess
source Directory Contentthere are no files
agreement Directory Content
agreement.html 29/08/2022 09:12 1.0 KiB 
4. Conditions of access and use
Languageen
Target File1-s2.0-S2352009422000852-main.pdf
User Groupsimone
Reader Groupadministrator
simone
Visibilityshown
Archiving Policydenypublisher denyfinaldraft24
Read Permissiondeny from all and allow from 150.163
Update Permissionnot transferred
5. Allied materials
Next Higher Units8JMKD3MGPCW/46L2FGP
Citing Item Listsid.inpe.br/bibdigital/2022/04.04.04.47 2
Host Collectionurlib.net/www/2021/06.04.03.40
6. Notes
Empty Fieldsalternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel dissemination e-mailaddress format isbn label lineage mark mirrorrepository nextedition notes number orcid parameterlist parentrepositories previousedition previouslowerunit progress project resumeid rightsholder schedulinginformation secondarydate secondarykey secondarymark session shorttitle sponsor subject tertiarymark tertiarytype url
7. Description control
e-Mail (login)simone
update 


Close