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Corresponds to the general collection of the INFOR´s Library with bibliographic material from different publishers and institutions.

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It contains the research carried out by INFOR on various sectorial topics.

Ciencia e Investigación Forestal Journal

It contains the articles published in the institutional scientific journal since 1987.

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The role of streamside native forests on dissolved organic matter in forested and agricultural watersheds in northwestern Patagonia

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Forests
Date
2019
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Autor(es)
Becerra Rodas, Constanza
Little Cárdenas, Christian
Lara Aguilar, Antonio
Sandoval, Jorge
Osorio, Sebastián
Nimptsch, Jorge
Abstract
Streamside native forests are known for their key role in water provision, commonly referred to as buffers that control the input or output of nutrients from terrestrial to aquatic ecosystems (i.e., nitrogen or carbon cycle). In order to assess the functional role of indigenous forests along streamside channels, we measured 10 parameters associated with DOM (Dissolved Organic Matter) at 42 points in 12 small catchments (15–200 ha) dominated by native forests (reference, WNF), forest plantations (WFP) and agricultural lands (WAL) in which the land cover portion was calculated in the entire watershed and along 30 and 60-m wide buffer strips. We found that watersheds WFP and WAL were statistically different than WNF, according to DIC concentrations (Dissolved Inorganic Carbon) and the intensity of the maximum fluorescence of DOM components. Using linear models, we related streamside native forest coverage in buffer strips with DOM parameters. The increase of streamside native forest coverage in 60 m wide buffer strips (0–100%) was related to lower DIC concentrations (0.89 to 0.28 mg C L−1). In watersheds WFP and WAL, the humic and fulvic-like components (0.42 to 1.42 R.U./mg C L−1) that predominated were related to an increase in streamside native forest coverage in the form of a 60 m wide buffer strip (0–75%). This is evidence that streamside native forests influence outputs of detritus and lowered in-stream processing with concomitant downstream transport, and functional integrity and water quality. We propose that DOM quantity and quality may be a potential tool for the identification of priority areas near streams for conservation and ecological restoration in terms of recovery of water quality as an important ecosystem service. The results of this study are useful to inform policy and regulations about the width of streamside native forests as well as their characteristics and restrictions.
Materias
BOSQUE NATIVO
PLANTACION FORESTAL
TIERRAS AGRICOLAS
CUENCAS HIDROGRAFICAS
MATERIA ORGANICA DISUELTA
DOI
https://doi.org/10.3390/f10070595
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  • Inventario y Monitoreo de Ecosistemas Forestales

Documento no disponible en formato digital. Consultar en biblioteca INFOR: biblioteca@infor.cl

Licencia Creative CommonsExcepto si se señala otra cosa, la licencia del ítem se describe como Licencia Creative Commons Atribución-NoComercial-SinDerivar 4.0 Internacional

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DIRECCIÓN EJECUTIVA
Sucre 2397, Ñuñoa, Santiago
(56-2) 2366 71 00
SEDE METROPOLITANA
Sucre 2397, Ñuñoa, Santiago
(56-2) 2366 71 00
SEDE DIAGUITAS
Juan Georgini Runi 1507, La Serena
(56-51) 236 26 00
OFICINA CHILOÉ
Guarategua Lepe s/n, Nercón, Chiloé
(56-65) 263 36 41
SEDE BÍO BÍO
Camino a Coronel Km. 7,5. Concepción
(56-41) 285 32 60
SEDE LOS RÍOS
Fundo Teja Norte s/n. Valdivia
(56-63) 233 52 00
SEDE PATAGONIA
Camino Coyhaique Alto Km. 4,5. Coyhaique
(56-67) 226 25 00

Volver arriba

Biblioteca digital - Instituto Forestal

MESA CENTRAL +56 2 25192800

 

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