Academic literature on the topic 'Soil conservation Afforestation'

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Journal articles on the topic "Soil conservation Afforestation"

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Anderson, Dennis. "Economic aspects of afforestation and soil conservation projects." Annals of Regional Science 21, no. 3 (1987): 100–110. http://dx.doi.org/10.1007/bf01287285.

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Paul, K. I., P. J. Polglase, J. G. Nyakuengama, and P. K. Khanna. "Change in soil carbon following afforestation." Forest Ecology and Management 168, no. 1-3 (2002): 241–57. http://dx.doi.org/10.1016/s0378-1127(01)00740-x.

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Carling, P. A., M. S. Glaister, and T. P. Flintham. "Soil erosion and conservation on land cultivated and drained for afforestation." Hydrological Processes 7, no. 3 (1993): 317–33. http://dx.doi.org/10.1002/hyp.3360070309.

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Zhao, Juan, Xingmin Mu, and Peng Gao. "Dynamic response of runoff to soil and water conservation measures and precipitation based on VAR model." Hydrology Research 50, no. 3 (2019): 837–48. http://dx.doi.org/10.2166/nh.2019.074.

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Abstract The Loess Plateau is one of the most erodible areas in the world, and numerous conservation measures have been implemented to control severe soil erosion. Better understanding of the changes in runoff and their influencing factors is required. A vector autoregression (VAR) model was used to simulate the dynamic relationship between runoff and six factors (precipitation, terraces, afforestation, grassing, check dams' construction, and grazing fencing) based on precipitation, runoff, and controlling measures of the Tuwei River basin in the middle reaches of the Yellow River during 1959–2012. Results showed that response of runoff usually lagged behind precipitation and the implementation of soil and water conservation measures. The annual runoff has no response to the increase of each measure area at the first year, but has varying degrees of response from the second year onward. Moreover, the same measure has different effects on runoff in different periods. The contribution of the factors that affect the annual runoff varied in the order of grazing fencing hillside < grassing < check dams' construction field < afforestation < precipitation < terraces. In the long term, the contribution of soil and water conservation measures would be greater than 70% in the fluctuation of annual runoff.
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Jain, Avinash, Girish Chandra, and Raman Nautiyal. "Valuating intangible benefits from afforested areas: A case study in India." Economía Agraria y Recursos Naturales 17, no. 1 (2017): 89. http://dx.doi.org/10.7201/earn.2017.01.04.

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Environmental compensation measures usually accompany energy projects. Willingness-To-Pay (WTP) for five intangible benefits derived from afforested areas of a compensatory afforestation programme of National Thermal Power Corporation Dadri are estimated. Conventional Contingent Valuation shows the average WTP € 2.1 per respondent per month with more than 43 % of total WTP for ‘soil conservation and remediation’ and ‘improvement in underground water level’. Logit model method depicts the same order of magnitude but differs significantly at 5 % level for all the benefits. More informed decisions upon energy projects and afforestation programs shall help in conserving forests and their ecosystem services.
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Singha, Chandan. "Impact of the adoption of vegetative soil conservation measures on farm profit, revenue and variable cost in Darjeeling district, India." Environment and Development Economics 24, no. 5 (2019): 529–53. http://dx.doi.org/10.1017/s1355770x19000226.

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AbstractThis study evaluates the effects of vegetative soil conservation practices (afforestation and/or bamboo planting) on farm profit and its components, revenue and variable cost. Since farmers self-select themselves as adopters of conservation measures, there could be a problem of selection bias in evaluating their soil conservation practices. We address the selection bias by using propensity score matching. We also check if there exists spatial spillover in adoption of vegetative conservation measures and how it affects matching. We use primary survey data from the Darjeeling district of the Eastern Himalayan region for the year 2013. Our results suggest strong spatial correlation. We find that the propensity score estimated from the spatial model provides better matches than the non-spatial model. While the results show that vegetative soil conservation can lead to significant gains in revenue, it also increases costs so that no significant gains in profit accrue to farmers.
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López-Vicente and Wu. "Soil and Water Conservation in Agricultural and Forestry Systems." Water 11, no. 9 (2019): 1937. http://dx.doi.org/10.3390/w11091937.

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This special issue includes six articles that cover a variety of issues about the topic of soil and water conservation in agricultural systems, including the following: a bibliometric analysis of soil and water conservation in the Loess Region of China; regarding croplands, one study evaluated the influence of vegetation covers on topsoil moisture and the effect of physiographic conditions on sediment yield in Spanish vineyards; another study evaluated the influence of plant age on soil water depletion in alfalfa pastures in the Tibet Autonomous Region; in a Chinese forest plantation, the effect of plant age and species on soil bulk density and pH was evaluated, and the most suitable afforestation species and stand age recommended to harvest maximum benefits were determined; regarding water pollution, a study evaluated soil water dynamics during two fallow years and three barley crop seasons in Spain and estimated the effect of the applied fertilizer (slurries or minerals) on nitrate leaching; and finally, another study identified the key information, including heavy metals, for water conservation in the border areas of the Syr Darya River in Kazakhstan. The proper use of soil and water resources is necessary to ensure the future well-being of humans and of the environment.
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BREMER, LEAH L., KATHLEEN A. FARLEY, OLIVER A. CHADWICK, and CAROL P. HARDEN. "Changes in carbon storage with land management promoted by payment for ecosystem services." Environmental Conservation 43, no. 4 (2016): 397–406. http://dx.doi.org/10.1017/s0376892916000199.

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SUMMARYAndean grasslands (páramos) are highly valued for their role in regional water supply as well as for their biodiversity and large soil carbon stocks. Several Payment for Ecosystem Services (PES) programmes promote either afforestation or alteration of traditional burning regimes under the assumption that these land management strategies will maximize páramo ecosystem services, including carbon storage. However, knowledge of the effects of incentivized land uses is limited. In an evaluation of how afforestation and elimination of burning affect carbon storage at a site in southern Ecuador, we found the highest above-ground biomass carbon levels at afforested sites (99.3–122.0 t C ha−1), while grassland sites reached 23.9 t C ha−1after 45 years of burn exclusion. Soil carbon storage from 0–20 cm was high across all sites (172.8–201.9 t C ha−1), but was significantly lower with afforestation than with burn exclusion. These findings suggest that, although afforestation is generally favoured when carbon is the primary ecosystem service of interest, grasslands with infrequent burning have important potential as a land management strategy when both above-ground biomass and soil carbon are considered. These results are relevant to the development and adaptation of PES programmes focused on carbon as well as those focused on multiple ecosystem services.
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Eshetu, Zewdu. "Historical C3-C4 vegetation pattern on forested mountain slopes: its implication for ecological rehabilitation of degraded highlands of Ethiopia by afforestation." Journal of Tropical Ecology 18, no. 5 (2002): 743–58. http://dx.doi.org/10.1017/s0266467402002481.

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In Ethiopia, plantation forestry for soil conservation and wood supply is mainly based on exotic tree species harvested at 12–25-y rotation age. To evaluate if these forests truly represent ecological rehabilitation of degraded areas through the build-up of soil organic matter before harvest, relative abundances of C3 vs. C4 carbon in soils under a 25-y-old forest on Mt. Yegof have been studied based on changes in soil δ13C values due to vegetation cover changes by afforestation. At Yegof, shrub and tree leaves had δ13C value of −28.7 ± 0.4‰. The grasses showed a value of −30.7 ± 0.6‰ at 2700–3000 m asl (typical C3) and of −13.6 ± 0.3‰ at 2520 m asl (typical C4). Soil δ13C values were −21.7 ± 0.9‰ in soil at 0–5 cm and −20.7 ± 0.6‰ in soil at 30–50 cm indicating a long history of C4-dominated grass or cropland over the elevations sampled. The shifts towards lower δ13C values in soil at 0–5 cm coincide with 25 y of C3 vegetation. Carbon content in topsoil was 3.4–9.2% and in tree leaves was 45–56%. However, an estimate of new C3 carbon (54%) in 0–5 cm soil was low as compared with tropical rain-forest and savanna ecosystems suggesting a slow rate of carbon turnover at Yegof. The results suggest that degraded sites at Yegof may need further duration of forest cover longer than current rotation times of the forests to improve soil conditions and restore soil organic matter and carbon, which have been lost during the past land use. It is encouraging from the perspectives of ecological rehabilitation and soil conservation that a shift in the dominance from C4 vegetation types of agricultural and grassland ecosystems to C3 forest ecosystems could be established in less than 25 y on these highly degraded slopes of Mt. Yegof.
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Hu, Yu Jen, Ya Ting Tsai, Ming Chi Tsai, Ching Ho Yen, and Jyh Bin Ke. "The Study of Carrier of Aerial Afforestation Design." Applied Mechanics and Materials 157-158 (February 2012): 1097–103. http://dx.doi.org/10.4028/www.scientific.net/amm.157-158.1097.

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In this study, we use the single-winged seeds flying model to study the relevant parameters. Afforestation used as sowing carrier stay in the air spill design to improve sowing distance. This study is further implemented the method currently carried out by Forestry Bureau for afforestation and soil conservation. This study is funded by the relevant principles of fluid dynamics to explore: physical analysis of the five seeds. Reads as follows: (1) structure and trajectory, (2) advance ratio, (3) lift thrust vs. pitch angle, (4) loading vs. terminal velocity, (5) cut-off angle area.. Finally, this study design some carrier models for testing. Spill sowing the spacing and the drift distance experiment analysis results. With experimental data, (shown in Table 2). This research used easy materials that you can make a lot. Fluid mechanical principles could be excellent learning materials for children to explore the use of teaching aids.
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Dissertations / Theses on the topic "Soil conservation Afforestation"

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Yau, Fung-yee Caroline. "Soil and afforestation in the Shing Mun Country Park, Hong Kong." Click to view the E-thesis via HKUTO, 1997. http://sunzi.lib.hku.hk/hkuto/record/B42128420.

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Yau, Fung-yee Caroline, and 邱鳳儀. "Soil and afforestation in the Shing Mun Country Park, Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B42128420.

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Books on the topic "Soil conservation Afforestation"

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Galupa, D. T. Practicile agroforestiere în Moldova și schimbarea climei: Agro-forestry practices in Moldova and climate change. Știința, 2008.

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Programme, Shinyanga Soil Conservation and Afforestation. Shinyanga Soil Conservation and Afforestation Programme (SHISCAP): Organization & administration : (Guidelines for practical implementation of SHISCAP). The Programme, 1991.

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Anadolu'da iz sürmek: TEMA Vakfı'nın 15. yıl kitabı. YKY, 2008.

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Östberg, Wilhelm. We eat trees: Tree planting and land rehabilitation in West Pokot District, Kenya : a baseline study. Swedish University of Agricultural Sciences, International Rural Development Centre, 1988.

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Twenty years to nowhere: Property rights, land management and conservation in Ethiopia. Red Sea Press, 2000.

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Soil conservation and afforestation in Shinyanga Region: Potentials and constraints. s.n., 1988.

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Book chapters on the topic "Soil conservation Afforestation"

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Siyag, Panna Ram. "Soil and Water Conservation Works." In Afforestation, Reforestation and Forest Restoration in Arid and Semi-arid Tropics. Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7451-3_5.

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Zhang, J. C., D. L. DeAngelis, and J. Y. Zhuang. "Effect of Afforestation on Soil and Water Conservation." In Theory and Practice of Soil Loss Control in Eastern China. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-9679-4_11.

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