Hydrological behaviour of the Nilgiri sub-watersheds as affected by bluegum plantations, part II. Monthly water balances at different rainfall and runoff probabilities

Sharda, V. N.; Samraj, P.; Chinnamani, S.; Lakshmanan, V.

doi:10.1016/0022-1694(88)90143-6

Cited by 18 publications

(12 citation statements)

References 1 publication

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“…This public perception persists despite locally conducted scientific studies on plantation forest in the Nilgiris, Dehra Dun, Karnataka and Kerala which present a different view (see, e.g. Sikka et al, 2003;Mathur et al, 1976;Bahadur et al, 1980;Sharda et al, 1988Sharda et al, , 1998Samraj et al, 1988;Calder et al, 1992;Kallarackal, 1992).…”

Section: India: Forestry and Watershed Development Policymentioning

confidence: 92%

Forests and water—Ensuring forest benefits outweigh water costs

Calder

2007

Forest Ecology and Management

228

150

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Section: India: Forestry and Watershed Development Policymentioning

confidence: 92%

Forests and water—Ensuring forest benefits outweigh water costs

Calder

2007

Forest Ecology and Management

228

150

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“…Therefore, the period from 1956 to 1959 was considered as the calibration period for assessing the impact of afforestation on runoff in the watershed. In a paired watershed study, Samraj et al (1988) and Sharda et al (1988Sharda et al ( , 1998 found that the difference in total runoff between treated and natural grassland watersheds continued to be negligible during the first 3 years after the plantation of bluegum.…”

Section: >25mentioning

confidence: 94%

Runoff responses to afforestation in a watershed of the Loess Plateau, China

Huang

Zhang

Gallichand

2003

Hydrological Processes

132

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Abstract:Afforestation has been suggested as a means of improving soil and water conservation in north-western China, especially on the Loess Plateau. Understanding of the hydrological responses to afforestation will help us develop sustainable watershed management strategies. A study was conducted during the period of 1956 to 1980 to evaluate runoff responses to afforestation in a watershed on the Loess Plateau with an area of 1Ð15 km 2 , using a paired watershed approach. Deciduous trees, including locust (locusta L.), apricot (praecox L.) and elm (ulmus L.), were planted on about 80% of a treated watershed, while a natural grassland watershed remained unchanged. It was estimated that cumulative runoff yield in the treated watershed was reduced by 32% as a result of afforestation. A significant trend was also observed that shows annual runoff reduction increases with the age of the trees planted. Reduction in monthly runoff occurred mainly from June to September, which was ascribed to greater rainfall and utilization by trees during this period. Afforestation also resulted in reduction in the volume and peak flow of storm runoff events in the treated watershed with greater reduction in peak flow.

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“…When summarising seasonal responses a differentiation has been made between the absolute and proportional responses. Absolute responses refer to the total volume change, (2) larger changes in winter months, when rainfall is below monthly average Blackie (1979), Blackie and Edwards (1979), Bruijnzeel (1988Bruijnzeel ( , 1990, Gafur et al (2003), Sharda et al (1988), Scott and Lesch, (1997) and Van Lill et al (1980) Snow affected catchment…”

Section: Seasonal Water Yieldmentioning

confidence: 99%