on-site and downstream costs of soil erosion by Wilfrido Cruz

Cover of: on-site and downstream costs of soil erosion | Wilfrido Cruz

Published by Philippine Institute for Development Studies in Makati, Metro Manila .

Written in English

Read online

Edition Notes

Includes bibliographical references (p. 174-179).

Book details

Statementby Wilfrido Cruz, Herminia A. Francisco, Zenaida Tapawan-Conway.
SeriesWorking papers series -- no. 88-11
ContributionsArocena-Francisco, Herminia.
Classifications
LC ClassificationsMLCM 2008/42101 (S)
The Physical Object
Paginationxiv, 224 p. :
Number of Pages224
ID Numbers
Open LibraryOL16903568M
LC Control Number91940229

Download on-site and downstream costs of soil erosion

THE ON-SIT ANE D DOWNSTREAM COSTS OF SOIL EROSION by Wilfrido Cruz Herminia A. Francisco Zenaida Tapawan-Conway WORKING PAPE SERIER S NO. (Valuation Result fosr Two Philippin Watershede s and Implication fosr Conservatio Policyn) (This study is part of a project jointly sponsored by the Philippin Institute foer Development.

The On-Site and Downstream Costs of Soil Erosion in the Magat and Pantabangan Watersheds WilfndoCruz,sco, Objectives and Overview I. The On-Site and Downstream Costs of Soil Erosion. By Herminia A. Francisco, Wilfrido Cruz and Zenaida T.

Conway. Download PDF (6 MB) Abstract. This report presents a practical methodology for the assessment of the economic impact of soil erosion, illustrates the methodology with results from recently completed case studies and proposes a. CRUZ,FRANCISCO ANDCONWAY: COSTS OFSOILEROSION.

Figbre 1 BASIC APPUCATION OF THE REPLACEMENT COST METHOD TO ASSESSMENT OF ON-SITE EFFECTS OF EROSION with Bureauof Soilsdata on soil or analysis.

Francisco, Herminia A. & Cruz, Wilfrido & Conway, Zenaida T., "The On-Site and Downstream Costs of Soil Erosion," Working Papers WPPhilippine Institute for Development Studies.

Handle: RePEc:phd:wpaper:wp_ The On-Site and Downstream Costs of Soil Erosion. By Herminia A. Francisco, Wilfrido Cruz and Zenaida T. Conway. Abstract. This report presents a practical methodology for the assessment of the economic impact of soil erosion, illustrates the methodology with results from recently completed case studies and proposes a framework for.

Downloadable. Soil erosion and fertilizer run-off cause serious flow externalities in downstream environments through-out the world. Social costs include e.g. loss of health, life and production due to pollution and eutrophication of freshwater resources, reduced life of hydro-power plants, increased turbidity, and degradation of coral reefs and marine resources.

Soil value can be quantified using many techniques. Most infer value based on market costs of replacing “free” services provided by soils after degradation (e.g. fertilizers, organic amendments); some equate downstream remediation costs (e.g., reservoir dredging) with on-site “external” costs (Starett, ).

Others infer costs based on. Soil erosion and fertilizer run-off cause serious flow externalities in downstream environments through-out the world. Social costs include e.g. loss of health, life and production due to.

Benefit-Cost analysis is a technique used to determine whether a measure will result in more benefits than it will cost. For the purposes of making a benefit-cost analysis for erosion and sediment control, the time period associated with erosion and sedimentation is considered to extend from the first disturbance of the land to the time of.

general conveniences of landholders further downstream. Costs of erosion control are generally very small on construction sites.

A job costing a total of $5, may only need $20, to $50, spent on erosion control works and these works, if carried out effectively, may save costs in the order of $50, to $, over the life of a.

15 May,Rome - Wind, rain and industrial farming techniques accelerates soil erosion and can be mitigated before the world faces calamitous losses in terms of agricultural yields and critical ecosystem functions. "The negative impacts of soil erosion are ever more evident and the need to work jointly ever more urgent," FAO Deputy Director-General, Climate and Natural Resources, Maria.

degradable, rolled erosion control products that reduce soil erosion and assist in the establishment and growth of vegetation. ECBs, also known as soil retention blankets, are composed primarily of processed, natural, or organic materials that are woven, glued, or structurally bound together with natural fiber netting or mesh on one or both sides.

Gunatilake HM, Vieth GR () Estimation of on-site cost of soil erosion: a comparison of replacement and productivity change methods. J Soil and Water Conserv 55(2)– Google Scholar Hasselo HN, Sikurajapathy M () Estimation of losses and erodibility of tea soils during replanting period.

In particular, research on the on-site costs 1 has focused on the additional expenditure for erosion control technologies or fertilizers required to minimize the loss of soil nutrients and.

() used the replacement cost method in estimating the on-site cost of soil erosion. Franscisco () quantified the on-site cost associated with soil erosion in Magat Watershed in the Philippines. The author reported that the on-site cost in Philippine pesos of one metric ton of lost soil was PhP (US $ at prices).

Bertol et al. () studied the increased soil erosion costs resulting from losses of water, soil and nutrients in three management systems and various crops in the south of the Santa Catarina Plateau. Using no-tillage, the on-site costs of nutrient losses were around 15 dollars per hectare per year.

With minimum tillage, the costs were a. @inproceedings{HuethSourcesAN, title={Sources and Nature of Erosion Damages Arising From Erosion Economic Justification for Public Intervention Negative Downstream Externalities Onsite Productivity Impacts}, author={D.

Hueth and S. Ardila and R. Quiroga and Mario E. Niklitschek and R. Tuazon and Glen Westley and L. Zavaleta}, year={} }. downstream waters, • reduced water treatment costs, • reduced blockage of drains, • less mud dropped or washed onto roads. On-site benefits typically include: • less risk of works being undermined by erosion or buried by sediment, • improved drainage and reduced site wetness as.

Various attempts have been made to value the costs of soil degradation at the national scale for the UK and its administrations ().Evans () estimated on-site erosion costs to farmers at about £9 million, and off-site external cost at a further £9 million.

Pretty et al. (), estimating the annual external costs of agriculture in England and Wales, attributed a cost of £96 million. The off-site impacts of soil erosion. In addition to its on-site effects, the soil that is detached by accelerated water or wind erosion may be transported considerable gives rise to off-site problems.

China's Yangtze River at the Three Gorges, in Hubei province. Soil Erosion & Sedimentation Control Technical Study Committee (Dirt II Panel) authorized Much too often, that approach meant accepting wasted on-site money and major off-site costs. Erosion • Additional cleaning and maintenance of on-site and downstream drainage structures.

The following Table (from Telles,p. ) gives estimates of soil erosion costs in dollars per year. The onsite costs were estimated on the basis of the loss of soil. Soil erosion is a global issue because of its severe adverse economic and environmental impacts. Economic impacts on productivity may be due to direct effects on crops/plants on-site and off-site, and environmental consequences are primarily off-site due either to pollution of natural waters or adverse effects on air quality due to dust and emissions of radiatively active gases.

In addition to its on-site effects, the soil that is detached by accelerated water or wind erosion may be transported considerable distances. This gives rise to “off-site problems”.

THE EROSION PROCESS Soil erosion is the process by which the land's surface is worn away by the action of wind, water, ice and gravity. Natural, or geologic erosion has been occurring at a relatively slow rate since the earth was formed, and is a tremendous factor in creating the earth as we know it today.

USDA-NRCS estimates that for each ton of prevented soil erosion, water cleanup costs are reduced by $ per acre. Farmers utilizing EQIP can save society $ per acre in water quality improvement costs ( tons soil saved per acre x $ per acre). The sum of implementing EQIP practices per acre is.

potential for soil erosion and stream siltation. Minimizing the time of exposure of disturbed ground is a primary objective. It is extremely important that any soil or stream disturbances of the work area be stabilized as work is proceeding.

This section outlines the methods to be used. PIDS Book Economic Policies for Forest Resources Management: The On-Site and Downstream Costs of Soil Erosion: WP Policy Issues on Commercial Forest Management: WP The Use of Thematic Maps in Analyzing Soil Erosion Susceptibility of the Philippines.

Soil erosion has both on-site and off-site effects. Loss of soil productivity is the main on-site effect, while enhanced productivity of downstream land, sedimentation and eutrophication of waterways and reservoirs are common off-site tions of soil erosion costs are therefore difficult and complex because the on-site effects are often compensated by the use of increased amounts.

Soil bioengineering, or biotechnical slope protection, has been defined variously as ‘the use of mechanical elements (or structures) in combination with biological elements (or plants) to arrest and prevent slope failures and erosion’ (Gray & Leiser, ), ‘the use of living vegetation, either alone or in conjunction with non-living.

Soil erosion is the most serious precursor of soil degradation that comes with global implications. Nearly 10 million hectares of arable land are lost to erosion and other forms of soil degradation every year [1]. Countries all over the world are battling with worrisome sight of deepening gullies crisscrossing the landscape and barren fields stripped of the fertile topsoil.

In Java, Indonesia, soil erosion is responsible for a 2% loss in total agricultural GDP, taking into account the losses farmers face directly and the losses others face downstream.

Another study showed that soil erosion in Sleman, a district located in Java, costs 17% of an average farmer’s net income per hectare of agricultural land. Soil erosion and sedimentation may not only cause on-site degradation of the natural resource base, but also off-site problems— downstream sediment deposition in fields, floodplains and water bodies, water pollution, eutrophication and reservoir siltation, etc.

Profit erosion can happen when profits are redirected elsewhere in a business or costs rise. Unexpected asset erosion, for example, due to technical innovation, can.

(clearing, grading, soil compaction, etc.) that disturb large land areas and can increase sediment yield by up to 10, times that of stabilized land. These activities leave sites susceptible to rainfall- and runoff-induced soil erosion and significantly increase the risk of degrading the quality of downstream receiving waterbodies.

Poorly managed. My book “Dirt: The Erosion of Civilizations the economic benefits of land restoration average 10 times the costs. Rebuilding fertile soil is also one of and help reduce flooding downstream. A) Downstream off-site costs of erosion are often higher than those in upstream fields from which the soil came.

B) Soil erosion losses per hectare of cropped land are higher in Asia and Africa than the United States. C) The rate of soil erosion loss in the United States declined from to Soil erosion in the UK is estimated to cost the country £ million per annum. The on-site consequences include losses of productive land, nutrients and soil carbon.

However, off-site damages are far higher, including declining water quality, sedimentation of watercourses, flooding and water treatment costs. Quantification and Evaluation of Water Erosion: Application of the Model SDR – InVEST in the Ziz Basin in South-East Morocco: /ch The Ziz Watershed is located in the arid zones of South-Eastern Morocco and belongs to the large basin of Ziz-Rheris.

In. Soil erosion is a gradual process that occurs when the impact of water or wind detaches and removes soil particles, causing the soil to deteriorate. Soil deterioration and low water quality due to erosion and surface runoff have become severe problems worldwide.

The problem may become so severe that the land can no longer be cultivated and must be abandoned.A typical residential excavation job runs between $1, and $5, with an average of $3,Though most companies charge anywhere from $40 to $ an hour, residential jobs receive project t bids reflect cubic yards of dirt moved, anywhere from $50 to $ per cubic excavators are subcontractors who rarely oversee entire jobs - though you can hire one directly for things.

Free Online Library: 5 Low-cost methods for slowing streambank erosion. by "Journal of Soil and Water Conservation"; Environmental issues Soil erosion .

51161 views Sunday, November 22, 2020