Negative Trade-offs Between Community Forest Use and Hydrological Benefits in the Forested Catchments of Nepal's Mid-hills

Badu, Manoj; Nuberg, Ian; Ghimire, Chandra Prasad; Meyer, Wayne S.

doi:10.1659/mrd-journal-d-18-00066.1

Cited by 3 publications

(1 citation statement)

References 85 publications

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“…A comparison of infiltration rates (median K s values 16-98 mm h -1 ) in broadleaf, pine-dominated, and mixed community-managed forest in Nepal [90] found the less intensively used pine-dominated site to be more conducive to vertical percolation than the other two forest types. These results were remarkable in relation to the negative local perceptions of the role of pine plantations on declining water resources.…”

Section: Discussionmentioning

confidence: 99%

Infiltration-Friendly Agroforestry Land Uses on Volcanic Slopes in the Rejoso Watershed, East Java, Indonesia

Suprayogo

Noordwijk

Hairiah

et al. 2020

Land

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Forest conversion to agriculture can induce the loss of hydrologic functions linked to infiltration. Infiltration-friendly agroforestry land uses minimize this loss. Our assessment of forest-derived land uses in the Rejoso Watershed on the slopes of the Bromo volcano in East Java (Indonesia) focused on two zones, upstream (above 800 m a.s.l.; Andisols) and midstream (400–800 m a.s.l.; Inceptisols) of the Rejoso River, feeding aquifers that support lowland rice areas and drinking water supply to nearby cities. We quantified throughfall, infiltration, and erosion in three replications per land use category, with 6–13% of rainfall with intensities of 51–100 mm day−1. Throughfall varied from 65 to 100%, with a zone-dependent intercept but common 3% increase in canopy retention per 10% increase in canopy cover. In the upstream watershed, a tree canopy cover > 55% was associated with the infiltration rates needed, as soil erosion per unit overland flow was high. Midstream, only a tree canopy cover of > 80% qualified as “infiltration-friendly” land use, due to higher rainfall in this zone, but erosion rates were relatively low for a tree canopy cover in the range of 20–80%. The tree canopy characteristics required for infiltration-friendly land use clearly vary over short distances with soil type and rainfall intensity.

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Section: Discussionmentioning

confidence: 99%

Infiltration-Friendly Agroforestry Land Uses on Volcanic Slopes in the Rejoso Watershed, East Java, Indonesia

Suprayogo

Noordwijk

Hairiah

et al. 2020

Land

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The Succession of Farmers’ Perceptions of Transitioning Landscapes – A Case Study of Agroforestry in the Middle Hills of Nepal

McGunnigle,

Bardsley,

Nuberg

et al. 2023

Hum Ecol

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Out-migration from small-scale agricultural holdings in Nepal’s middle hills is resulting in forest succession on abandoned land. Such early landscape transitions are often guided by policy to maintain a productivist path. However, farming households in rural Nepal are themselves transitioning from their dependence and attachment to the land. The walk and talk methodology was selected to follow up socioecological surveys with farmers in the middle hills to understand perceptions of forest succession on abandoned agricultural land. This participatory research methodology engages people in their own socio-ecological context – with farmers leading researchers along paths that advances dialogue over the course of the interview. Based on analysis of the discussions and observations of attitudes, perceptions of changing landuse and benefits associated with forest succession evolved with time since land abandonment. Early stage perceptions that focused on the loss of previously productive land developed over time to include attitudes of tolerance, acceptance and even commendation of the rewards gained from tree resources. The results infer that adaptation to the changing landscape is a continuous process that requires reflexive policies and supporting institutions that enable stages of adjustment during transition. Transition management that anticipates actors’ concerns from the outset could assist transformation of agricultural landscapes and improve resilience in the socio-ecological system for sustainable livelihood outcomes. Opportunities within each stage of transition, which include the promotion of successional agroforestry systems, require different forms of support as farmers adapt their outlooks to alternative landscapes and livelihoods that can create resilience through diversity.

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Net precipitation, infiltration and overland flow production in three types of community-managed forest in the Mid-hills of East Central Nepal

Badu

Ghimire

Bruijnzeel

et al. 2022

Trees, Forests and People

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Negative Trade-offs Between Community Forest Use and Hydrological Benefits in the Forested Catchments of Nepal's Mid-hills

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 3 publications

References 85 publications

Infiltration-Friendly Agroforestry Land Uses on Volcanic Slopes in the Rejoso Watershed, East Java, Indonesia

Infiltration-Friendly Agroforestry Land Uses on Volcanic Slopes in the Rejoso Watershed, East Java, Indonesia

The Succession of Farmers’ Perceptions of Transitioning Landscapes – A Case Study of Agroforestry in the Middle Hills of Nepal

Net precipitation, infiltration and overland flow production in three types of community-managed forest in the Mid-hills of East Central Nepal

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