FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W1999463860> ?p ?o ?g. }

• W1999463860 endingPage "105" @default.
• W1999463860 startingPage "95" @default.
• W1999463860 abstract "Native Indians (Macuxi, Ingarikó and Uapishana) in the Raposa–Serra do Sol Indian Reserve have been cultivating forest soils since the early XIX century, especially those derived from dolerite sills, scattered within the quartzitic dominated landscape. Representative soils developed from mafic rocks under Indian shifting cultivation in northeastern Roraima, were submitted to physical, chemical and mineralogical analyses to characterize their pedogenetic characteristics and infer on their status under native Indian shifting cultivation. The soil profiles were classified as: Orthic Ebanic Chernosol (USDA Mollisol), vertic Orthic Ebanic Chernosol (USDA Mollisol), Eutrophic Haplic Cambisol (USDA mollic Inceptisol) and Eutrophic Red Nitosol (USDA Red Alfisol), which occupy, respectively, lower slopes and less dissected terrains (Mollisols) and steeper slopes (Alfisols). The first two are eutrophic, and not typical of the Amazon region. Their mineralogies range from kaolinite/goethite rich upland, deeply weathered Nitosol, to 2:1 clay rich downslope Chernosols. The latter has primary minerals in the silt fraction and high CEC resulting in high fertility. The Nitosols reveal a process of severe topsoil loss, due to widespread sheet erosion from deforestation and shifting cultivation. Chemical analyses showed varied soil fertility, ranging from high levels in the Chernosols to a low level in the non-cultivated Nitosol. Phosphorus levels are limited in all soils, despite the high fertility. The Chernosols located in lowland, flat areas close to the valley floor are more suitable environments for the slash-and-burn native farming system. In the Chernosols and Cambisols, the clay activity below the value limit for this class indicates a current natural process of increasing leaching. The more weathered and eroded Nitosol showed low Fe-oxalate and Si-oxalate levels. Micronutrients such as total zinc and copper, decreased with depth and weathering. The Nitosols showed the highest phosphate adsorption levels (1.574 mg g− 1 of soil) which can be attributed to its clayey texture. Chernosols showed overall lower P adsorption values, increasing with depth. All soils under native Indian cultivation display signs of physical and chemical degradation due to shortened fallow under intense land use pressure in the Raposa–Serra do Sol Reserve." @default.
• W1999463860 created "2016-06-24" @default.
• W1999463860 creator A5021044572 @default.
• W1999463860 creator A5024939251 @default.
• W1999463860 creator A5034692354 @default.
• W1999463860 date "2010-02-01" @default.
• W1999463860 modified "2023-09-23" @default.
• W1999463860 title "Indian land use in the Raposa–Serra do Sol Reserve, Roraima, Amazonia, Brazil: Physical and chemical attributes of a soil catena developed from mafic rocks under shifting cultivation" @default.
• W1999463860 cites W1965999357 @default.
• W1999463860 cites W1971605430 @default.
• W1999463860 cites W1978811248 @default.
• W1999463860 cites W2002996133 @default.
• W1999463860 cites W2003049715 @default.
• W1999463860 cites W2017010951 @default.
• W1999463860 cites W2020954768 @default.
• W1999463860 cites W2071941552 @default.
• W1999463860 cites W2095157870 @default.
• W1999463860 cites W3137666528 @default.
• W1999463860 doi "https://doi.org/10.1016/j.catena.2009.09.004" @default.
• W1999463860 hasPublicationYear "2010" @default.
• W1999463860 type Work @default.
• W1999463860 sameAs 1999463860 @default.
• W1999463860 citedByCount "17" @default.
• W1999463860 countsByYear W19994638602012 @default.
• W1999463860 countsByYear W19994638602015 @default.
• W1999463860 countsByYear W19994638602017 @default.
• W1999463860 countsByYear W19994638602018 @default.
• W1999463860 countsByYear W19994638602019 @default.
• W1999463860 countsByYear W19994638602023 @default.
• W1999463860 crossrefType "journal-article" @default.
• W1999463860 hasAuthorship W1999463860A5021044572 @default.
• W1999463860 hasAuthorship W1999463860A5024939251 @default.
• W1999463860 hasAuthorship W1999463860A5034692354 @default.
• W1999463860 hasConcept C127313418 @default.
• W1999463860 hasConcept C155843905 @default.
• W1999463860 hasConcept C159390177 @default.
• W1999463860 hasConcept C159750122 @default.
• W1999463860 hasConcept C167284885 @default.
• W1999463860 hasConcept C17409809 @default.
• W1999463860 hasConcept C38774213 @default.
• W1999463860 hasConcept C39432304 @default.
• W1999463860 hasConcept C67276197 @default.
• W1999463860 hasConceptScore W1999463860C127313418 @default.
• W1999463860 hasConceptScore W1999463860C155843905 @default.
• W1999463860 hasConceptScore W1999463860C159390177 @default.
• W1999463860 hasConceptScore W1999463860C159750122 @default.
• W1999463860 hasConceptScore W1999463860C167284885 @default.
• W1999463860 hasConceptScore W1999463860C17409809 @default.
• W1999463860 hasConceptScore W1999463860C38774213 @default.
• W1999463860 hasConceptScore W1999463860C39432304 @default.
• W1999463860 hasConceptScore W1999463860C67276197 @default.
• W1999463860 hasIssue "2" @default.
• W1999463860 hasLocation W19994638601 @default.
• W1999463860 hasOpenAccess W1999463860 @default.
• W1999463860 hasPrimaryLocation W19994638601 @default.
• W1999463860 hasRelatedWork W1963747697 @default.
• W1999463860 hasRelatedWork W1997604818 @default.
• W1999463860 hasRelatedWork W2017231483 @default.
• W1999463860 hasRelatedWork W2031366359 @default.
• W1999463860 hasRelatedWork W2032445627 @default.
• W1999463860 hasRelatedWork W2070842915 @default.
• W1999463860 hasRelatedWork W2377657971 @default.
• W1999463860 hasRelatedWork W2753970285 @default.
• W1999463860 hasRelatedWork W3145876680 @default.
• W1999463860 hasRelatedWork W4235203013 @default.
• W1999463860 hasVolume "80" @default.
• W1999463860 isParatext "false" @default.
• W1999463860 isRetracted "false" @default.
• W1999463860 magId "1999463860" @default.
• W1999463860 workType "article" @default.