Results 81 to 90 of about 68,841 (298)

Climate change is expected to reduce the potential distribution of Ceiba glaziovii in Caatinga, the largest area of dry tropical forest in South America

open access: yesBioscience Journal
Ecological niche modeling is a widely used tool to predict species distribution considering current, past, or future climate change scenarios across different geographic areas.
Débora de Melo Almeida   +5 more
doaj   +1 more source

Pastoreio combinado de bovinos, caprinos e ovinos em áreas de Caatinga no Nordeste do Brasil. [PDF]

open access: yes, 2015
O pastoreio combinado entre espécies de ruminantes tem sido indicado como uma ótima alternativa de uso de pastagens nativas caracterizadas por uma adequada diversidade botânica. Essa prática oferece a possibilidade de manutenção da diversidade florística
ARAUJO FILHO, J. A. de   +1 more
core  

BIOMASS EQUATIONS FOR CAATINGA SPECIES

open access: yesNativa, 2018
EQUAÇÕES DE BIOMASSA PARA ESPÉCIES DA CAATINGA O objetivo deste trabalho foi determinar as proporções de fuste, galhos e folhas em relação a biomassa total seca acima do solo e ajustar modelos estatísticos para estimativa da biomassa das principais espécies arbustivo-arbóreas em uma área de Caatinga.
Mayara Dalla Lana   +5 more
openaire   +3 more sources

Integrative taxonomy reveals two new species of whiptail catfishes Loricaria (Siluriformes: Loricariidae) from northeastern Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract Two new species of whiptail catfish, Loricaria (Siluriformes: Loricariidae), were discovered in the Munim and Itapecuru river basins, Maranhão State, northeastern Brazil, through an integrative taxonomic approach combining morphology and mitochondrial DNA.
Ananda. C. Serejo‐Saraiva   +4 more
wiley   +1 more source

Nesting Substrate Characteristics of Partamona seridoensis Pedro & Camargo (Hymenoptera: Apidae) in Areas of Dry Forest in Brazil

open access: yesSociobiology, 2017
For the first time the association between Partamona seridoensis and Constrictotermes cyphergaster is described. Partamona seridoensis occurs in xeric areas of Northeastern Brazil, and it is a termitophile species as its nests are built in active and ...
Carlo Rivero Moura Fernandes   +3 more
doaj   +1 more source

Padrões de distribuição e conservação de serpentes do bioma Caatinga [PDF]

open access: yes, 2017
Tese (doutorado)—Universidade de Brasília, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Zoologia, 2017.Texto parcialmente liberado pelo autor.
Rocha, Wáldima Alves da
core  

Soil biochemistry and microbial activity in vineyards under conventional and organic management at Northeast Brazil. [PDF]

open access: yes, 2011
The São Francisco Submedium Valley is located at the Brazilian semiarid region and is an important center for irrigated fruit growing. This region is responsible for 97% of the national exportation of table grapes, including seedless grapes. Based on the
Adriana Mayumi Yano-Melo   +64 more
core   +3 more sources

Time‐calibrated relationships of a rare cave catfish (Trichomycterus rubbioli): Shedding light on troglobitic lifestyle origin in the Brazilian caatinga

open access: yesJournal of Fish Biology, EarlyView.
Abstract Catfishes of the subfamily Trichomycterinae comprise the most diverse fish group with species adapted to live in Neotropical caves, but past evolutionary scenarios that have driven the origin of these troglobitic species remain unknown. We herein investigate the phylogenetic position of the cave‐restricted Trichomycterus rubbioli, endemic to ...
Wilson J. E. M. Costa   +6 more
wiley   +1 more source

Desempenho de caprinos nativos e ovinos Morada Nova em diferentes pastagens no Ceará. [PDF]

open access: yes, 1987
Resumo: As taxas de parição, mortalidade de adultos e gemelidade de caprinos nativos e ovinos Morada Nova, foram avaliadas de 1977 a 1979, em três tipos de pastagens - Nativa de Caatinga, Nativa Raleada e de capim-buffel (Cenchrus ciliaris L.).
ANDRADE, J. M. de S.   +5 more
core  

Confirming the impact origin of the São Miguel do Tapuio structure, northeastern Brazil

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract The São Miguel do Tapuio structure (SMT) is a remarkable, nearcircular feature of about 21 km diameter, centered at 5°37.6′ S, 41°23.3′ W in Piauí state, northeastern Brazil. The structure is located within the sedimentary strata of the Paleozoic–Mesozoic Parnaíba Basin and predominantly comprises sandstones of the Devonian Pimenteiras and ...
Alvaro Penteado Crósta   +9 more
wiley   +1 more source

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