@Article{RibeiroSCLMDGO:2016:LaCoCh,
author = "Ribeiro, Kelly and Sousa Neto, Er{\'a}clito Rodrigues de and
Carvalho Junior, Jo{\~a}o Andrade de and Lima, Jos{\'e} Romualdo
de Sousa and Menezes, R{\^o}mulo Sim{\~o}es Cezar and Duarte
Neto, Paulo Jos{\'e} and Guerra, Glauce da Silva and Ometto, Jean
Pierre Henry Balbaud",
affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)} and {Universidade Estadual
Paulista (UNESP)} and {Universidade Federal Rural de Pernambuco
(UFRPE)} and {Universidade Federal de Pernambuco (UFPE)} and
{Universidade Federal Rural de Pernambuco (UFRPE)} and
{Universidade Federal Rural de Pernambuco (UFRPE)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)}",
title = "Land cover changes and greenhouse gas emissions in two different
soil covers in the Brazilian Caatinga",
journal = "Science of the Total Environment",
year = "2016",
volume = "571",
pages = "1048--1057",
month = "Nov.",
keywords = "Caatinga, Pasture, Greenhouse gases (GHG), Land use/cover
changes.",
abstract = "The Caatinga biome covers an area of 844,453 km(2) and has
enormous endemic biodiversity, with unique characteristics that
make it an exclusive Brazilian biome. It falls within the earth's
tropical zone and is one of the several important ecoregions of
Brazil. This biome undergoes natural lengthy periods of drought
that cause losses in crop and livestock productivity, having a
severe impact on the population. Due to the vulnerability of this
ecosystem to climate change, livestock has emerged as the main
livelihood of the rural population, being the precursor of the
replacement of native vegetation by grazing areas. This study
aimed to measure GHG emissions from two different soil covers:
native forest (Caatinga) and pasture in the municipality of Sao
Joao, Pernambuco State, in the years 2013 and 2014. GHG
measurements were taken by using static chamber techniques in both
soil covers. According to a previous search, so far, this is the
first study measuring GHG emissions using the static chamber in
the Caatinga biome. N2O emissions ranged from -1.0 to 4.2 mg m(-2)
d(-1) and -1.22 to 3.4 mg m(-2) d(-1) in the pasture and Caatinga,
respectively, and they did not significantly differ from each
other. Emissions were significantly higher during dry seasons.
Carbon dioxide ranged from -1.1 to 14.1 and 1.2 to 15.8 g m(-2)
d(-1) in the pasture and Caatinga, respectively. CO2 emissions
were higher in the Caatinga in 2013, and they were significantly
influenced by soil temperature, showing an inverse relation.
Methane emission ranged from 6.6 to 6.8 and -6.0 to 4.8 mg m(-2)
d(-1) in the pasture and Caatinga, respectively, and was
significantly higher only in the Caatinga in the rainy season of
2014. Soil gas fluxes seemed to be influenced by climatic and
edaphic conditions as well as by soil cover in the Caatinga
biome.",
doi = "10.1016/j.scitotenv.2016.07.095",
url = "http://dx.doi.org/10.1016/j.scitotenv.2016.07.095",
issn = "0048-9697",
language = "en",
targetfile = "ribeiro_land.pdf",
urlaccessdate = "15 jun. 2024"
}