Documentos de Carlos Valarezo | REDI

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Mostrando 10 resultados de: 17

Filtros aplicados

Área de conocimiento: "Ecosistema"

Subtipo de publicación

Publisher

Forest Ecology and Management(4)

Biogeochemistry(2)

European Journal of Soil Science(2)

Global Biogeochemical Cycles(2)

Journal of Hydrology(2)

Área temáticas

Economía de la tierra y la energía(6)

Agricultura y tecnologías afines(5)

Geología, hidrología, meteorología(3)

Huertos, frutas, silvicultura(3)

Área de conocimiento

Fertilidad del suelo(1)

Mecánica de suelos(1)

Año de Publicación

Origen

Palabras Claves

tropical montane forest(3)

Dissolved organic matter(2)

Montane forest(2)

Change in water quality during the passage through a tropical montane rain forest in Ecuador

Abstract: We studied five 20-m transects on the lower slope under tropical lower montane rain forest at 1900-2

Palabras claves:

Litter leachate, plant nutrients, rainfall, soil, Stream water, Throughfall

Carlos Valarezo, Wilcke W., Yasin S., Zech W.

Coarse woody debris in a montane forest in Ecuador: Mass, C and nutrient stock, and turnover

Abstract: Coarse woody debris (CWD) in forests temporarily stores C and nutrients and thus contributes to thei

Palabras claves:

C stock, coarse woody debris, Litter turnover, Montane forest, Nutrients

Bengel C., Carlos Valarezo, Hess T., Homeier J., Wilcke W., Zech W.

Aluminum cycling in a tropical montane forest ecosystem in southern Ecuador

Abstract: Growth limitation induced by Al toxicity is believed to commonly occur in tropical forests, although

Palabras claves:

Al speciation, Aluminum fluxes, Aluminum toxicity, Molar Ca:Al ratios, Tropical forest ecosystems

Bigalke M., Boy J., Carlos Valarezo, Rehmus A., Wilcke W.

Amazonian biomass burning-derived acid and nutrient deposition in the north Andean montane forest of Ecuador

Abstract: We explored the influence of biomass burning in Amazonia and northeastern Latin America on N, C, P,

Palabras claves:

Boy J., Carlos Valarezo, Rollenbeck R., Wilcke W.

Dissolved nitrogen, phosphorus, and sulfur forms in the ecosystem fluxes of a montane forest in Ecuador

Abstract: The N, P, and S cycles in pristine forests are assumed to differ from those of anthropogenically imp

Palabras claves:

Biogeochemical cycles, Dissolved nutrients, Dissolved organic matter, Ecosystem fluxes, tropical montane forest, Water catchments

Carlos Valarezo, Fleischbein K., Goller R., Wilcke W., Zech W.

Nutrient storage and turnover in organic layers under tropical montane rain forest in Ecuador

Abstract: In tropical montane forests nutrients released from the organic layers of the soil can supply a larg

Palabras claves:

Abramowski U., Carlos Valarezo, Wilcke W., Yasin S., Zech W.

Tracing water paths through small catchments under a tropical montane rain forest in south Ecuador by an oxygen isotope approach

Abstract: In three steep microcatchments under tropical montane forest, samples of rainfall, throughfall, orga

Palabras claves:

Flow paths, Hydrograph separation, O and H isotopes, Rainstorm event, soil water content, Water catchments

Carlos Valarezo, Goller R., Leng M.J., Tobschall H., Wagner K., Wilcke W., Zech W.

Water flow paths in soil control element exports in an Andean tropical montane forest

Abstract: We tested the hypothesis that concentrations of chemical constituents in stream water can be explain

Palabras claves:

Boy J., Carlos Valarezo, Wilcke W.

Response of dissolved carbon and nitrogen concentrations to moderate nutrient additions in a tropical montane forest of south Ecuador

Abstract: In the past two decades, the tropical montane rain forests in south Ecuador experienced increasing d

Palabras claves:

Dissolved organic nitrogen (DON), ECUADOR, Nitrate leaching, Nitrogen (N) phosphorus (P) and calcium(Ca) additions, nutrient manipulation experiment, Total organic carbon (TOC), tropical montane forest

Carlos Valarezo, Velescu A., Wilcke W.

Response of the N and P cycles of an old-growth montane forest in Ecuador to experimental low-level N and P amendments

Abstract: Atmospheric nitrogen (N) and phosphorus (P) depositions are expected to increase in the tropics as a

Palabras claves:

Environmental change, Leaching losses, N deposition, Nutrient cycle, P deposition, tropical montane forest

Carlos Valarezo, Homeier J., Wilcke W., Wullaert H.