The influence of land-use changes on soil hydraulic properties: Implications for runoff generation

Zimmermann, Beate; Elsenbeer, Helmut; Moraes, Jorge Marcos de

doi:10.1016/j.foreco.2005.10.070

Cited by 328 publications

(322 citation statements)

References 21 publications

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“…Zimmermann et al [48] investigated soil hydraulic properties, including hydraulic conductivity at different depths under primary and cleared secondary forest, teak, pasture, and secondary forest after banana-cacao or pasture land types. The authors observed that soil K sat decreases were proportional to the land use intensity; for example, areas with less intense land-use (secondary forest and banana) prior to reforestation had similarK sat values [48].…”

Section: Effect Of Land Usementioning

confidence: 99%

Effects of Land Use and Management on SoilHydraulic Properties

et al. 2015

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Soil hydraulic properties are among the most important parameters that determine soil quality and its capability to serve the ecosystem. Land use can significantly influence soil properties, including its hydraulic conditions; however, additional factors, such as changes in climate (temperature and precipitation), can further influence the land use effects on soil hydraulic properties. In order to develop possible adaptation measures and mitigate any negative effects of land use and climatic changes, it is important to study the impact of land use and changes in land use on soil hydraulic properties. In this paper, we summarize recent studies examining the effect of land use/land cover and the associated changes in soil hydraulic properties, mainly focusing on agricultural scenarios of cultivated croplands and different tillage systems.

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Section: Effect Of Land Usementioning

confidence: 99%

Effects of Land Use and Management on SoilHydraulic Properties

et al. 2015

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“…FAO, 2005;Bradshaw et al, 2007;Van Dijk et al, 2009) whereas the effect of forestation on tropical dry-season flows is also under debate (Calder, 2005;Scott et al, 2005). The general contention is that the net effect of an increase in forest cover on dryseason flow depends on the "trade-off" between increases in Q due to enhanced soil water recharge on the one hand (as forestation generally increases soil macro-porosity and infiltration characteristics; Ilstedt et al, 2007;Bonell et al, 2010;Zimmermann et al, 2006Zimmermann et al, , 2010Hassler et al, 2011), and decreases in soil water reserves and Q on the other hand due to the higher water use of trees compared to crops, pasture, or scrubs (Bruijnzeel, 1989(Bruijnzeel, , 2004Jackson et al, 2005;Scott et al, 2005). Reviews of micro-scale (< 1 km 2 ) experimental catchment studies (e.g.…”

Section: H E Beck Et Almentioning

confidence: 99%

The impact of forest regeneration on streamflow in 12 mesoscale humid tropical catchments

Beck

Bruijnzeel

Dijk

et al. 2013

Hydrol. Earth Syst. Sci.

106

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Abstract. Although regenerating forests make up an increasingly large portion of humid tropical landscapes, little is known of their water use and effects on streamflow (Q). Since the 1950s the island of Puerto Rico has experienced widespread abandonment of pastures and agricultural lands, followed by forest regeneration. This paper examines the possible impacts of these secondary forests on several Q characteristics for 12 mesoscale catchments (23-346 km 2 ; mean precipitation 1720-3422 mm yr −1 ) with long (33-51 yr) and simultaneous records for Q, precipitation (P ), potential evaporation (PET), and land cover. A simple spatially-lumped, conceptual rainfall-runoff model that uses daily P and PET time series as inputs (HBV-light) was used to simulate Q for each catchment. Annual time series of observed and simulated values of four Q characteristics were calculated. A least-squares trend was fitted through annual time series of the residual difference between observed and simulated time series of each Q characteristic. From this the total cumulative change (Â) was calculated, representing the change in each Q characteristic after controlling for climate variability and water storage carry-over effects between years. Negative values ofÂ were found for most catchments and Q characteristics, suggesting enhanced actual evaporation overall following forest regeneration. However, correlations between changes in urban or forest area and values ofÂ were insignificant (p ≥ 0.389) for all Q characteristics. This suggests there is no convincing evidence that changes in the chosen Q characteristics in these Puerto Rican catchments can be ascribed to changes in urban or forest area. The present results are in line with previous studies of mesoand macro-scale (sub-)tropical catchments, which generally found no significant change in Q that can be attributed to changes in forest cover. Possible explanations for the lack of a clear signal may include errors in the land cover, climate, Q, and/or catchment boundary data; changes in forest area occurring mainly in the less rainy lowlands; and heterogeneity in catchment response. Different results were obtained for different catchments, and using a smaller subset of catchments could have led to very different conclusions. This highlights the importance of including multiple catchments in land-cover impact analysis at the mesoscale.

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“…This prediction was based on the fact that landscape physical characteristics such as water infiltration capacity and runoff coefficient vary among different land uses ZIMMERMANN et al, 2006). Our results do not support this hypothesis since the same number of water quality variables differed significantly between the rainy and dry seasons in pasture and sugarcane catchments.…”

Section: Conversion Of Pasture To Sugarcane Effectscontrasting

confidence: 69%

Effects of intensive agriculture in the structure and functioning of tropical headwater streams

Taniwaki¹

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The influence of land-use changes on soil hydraulic properties: Implications for runoff generation

Cited by 328 publications

References 21 publications

Effects of Land Use and Management on SoilHydraulic Properties

Effects of Land Use and Management on SoilHydraulic Properties

The impact of forest regeneration on streamflow in 12 mesoscale humid tropical catchments

Effects of intensive agriculture in the structure and functioning of tropical headwater streams

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