Relevant bibliographies by topics / Rehabilitation of Degraded Farmland

Academic literature on the topic 'Rehabilitation of Degraded Farmland'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Rehabilitation of Degraded Farmland"

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Zhao, Qian, Lei Yang, Xin Wang, Runcheng Bi, and Qindi Zhang. "Effects of two typical revegetation methods on soil moisture in the semi-arid Loess Plateau, China." Hydrology Research 50, no. 5 (July 17, 2019): 1453–62. http://dx.doi.org/10.2166/nh.2019.011.

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Abstract Understanding the effects of vegetation on soil moisture is vital to the ecosystem restoration in water-restricted areas. For this study, the effects of introduced revegetation and natural revegetation on soil water (0–1.8 m) were investigated in the Chinese Loess Plateau, which was based on an in situ vegetation removal experiment and two years of soil moisture monitoring. The results indicated that under introduced revegetation, pasture grassland had lower soil moisture but higher temporal variations over the growing season. Compared with abandoned farmlands and native grasslands under natural revegetation, pasture grasslands revealed greater negative effects on deep soil moisture (1–1.8 m), which was difficult to recover following soil desiccation. In contrast, for abandoned farmlands and native grasslands, the surface soil moisture (0–0.4 m) was mainly impacted, which was easily replenished through rainfall events. These outcomes implied that natural revegetation, rather than introduced revegetation, should be the first choice in water-limited regions toward the rehabilitation of degraded ecosystems.
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Cañadas-López, Álvaro, Diana Rade-Loor, Marianna Siegmund-Schultze, Geovanny Moreira-Muñoz, J. Jesús Vargas-Hernández, and Christian Wehenkel. "Growth and Yield Models for Balsa Wood Plantations in the Coastal Lowlands of Ecuador." Forests 10, no. 9 (August 26, 2019): 733. http://dx.doi.org/10.3390/f10090733.

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Balsa trees are native to neotropical forests and frequently grow on fallow, degraded land. Balsa can be used for economic and ecological rehabilitation of farmland with the aim of restoring native forest ecosystems. Although Ecuador is the world’s largest producer of balsa, there is a lack of knowledge about production indicators for management of balsa stands in the country. The aim of this study was to develop growth and yield models (i.e., site index (SI) curves and stem volume models) for balsa plantations in the coastal lowlands of Ecuador. Balsa trees growing in 2161 plots in seven provinces were sampled. Here we present the first growth and yield models for the native, although underutilized, balsa tree. Three curve models were fitted to determine SI for balsa stands, differentiating five site quality classes. Eight volume models were compared to identify the best fit model for balsa stands. The mean annual increment was used to assess balsa production. The generalized algebraic difference approach (GADA) equation yielded one of the best results for the height–age and diameter–age models. The Newnham model was the best volume model for balsa in this comparative study. The maximum annual increment (i.e., for the best stand index) was reached in the second year of plantation. The fitted models can be used to support management decisions regarding balsa plantations. However, the models are preliminary and must be validated with independent samples. Nevertheless, the very fast development of the native balsa tree is particularly promising and should attract more attention from forest owners and politicians.
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Kong, Tongwei, Binhui Liu, Mark Henderson, Wanying Zhou, Yuanhang Su, Shuai Wang, Ligang Wang, and Guibin Wang. "Effects of Shelterbelt Transformation on Soil Aggregates Characterization and Erodibility in China Black Soil Farmland." Agriculture 12, no. 11 (November 14, 2022): 1917. http://dx.doi.org/10.3390/agriculture12111917.

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Farmland shelterbelts are widely used to reduce wind erosion, maintaining the ecological and food security of the black soil plain region of northeast China. In recent years, the protective effect of shelterbelts has been reduced due to tree degeneration. Efforts have been made to transform the construction of shelterbelts to conserve the stability of soil aggregates and enhance protection against erosion, however, the results are not well understood. To evaluate the impact of shelterbelt transformation on the stability of farmland soil aggregates and soil erodibility, three transformation modes of shelterbelts were selected, including pure Pinus sylvestris var. mongolica (ZC), pure Picea asperata (YS), and mixed Populus × xiaohei–Pinus sylvestris var.mongolica (ZY), with a degraded Populus × xiaohei shelterbelt (TYC) used as a control. We set up soil sampling points at 0.5H, 1H, 1.5H, 3H, 5H, 7H, and 9H from the shelterbelts and analyzed aggregate composition, mean weight diameter (MWD), geometric mean diameter (GMD), fractal dimension (D), soil erodibility (K-value), and their relationships to soil properties of the 0–10 cm, 10–20 cm and 20–40 cm soil layers and the shelterbelt structure by using dry and wet sieving and equation estimation methods. The results show that dry (d) sieved soil samples from the transformed shelterbelt-protected farmlands are mainly composed of 2–5 mm and >5 mm grain size aggregates; the sum of the two particle sizes ranged from 48.67% to 51.27%, significantly larger than in the degraded shelterbelts (15.37%), decreasing with increasing distance from the shelterbelts. The effect is most obvious in the 0–10 cm soil layer. Wet (w) sieved soil samples are all dominated by <0.25 mm and 0.25–0.5 mm grain size aggregates; the sum of the two particle sizes ranged from 78.25% to 80.82%, which do not vary significantly with the mode of shelterbelts. The dMWD and dGMD show significantly higher mean values in samples from transformed shelterbelt-protected farmland than in soil from degraded shelterbelt-protected farmland; their magnitudes differ depending on the transformation mode, showing a pattern of ZC > ZY > YS and decreasing with increasing distance from shelterbelts, while the opposite is true for D and K. The difference between wMWD and wGMD for different shelterbelts protected farmland is not significant and is significantly lower than that between dMWD and dGMD. Clay and silt content was highly significantly positively correlated with aggregates dMWD and dGMD, weakly positively correlated with wMWD, wGMD and wD, and highly significantly negatively correlated with dD and K values. This shows that particle composition parameters can be used to reflect the sensitivity of agricultural soils to wind erosion. Farmland shelterbelt porosity is the main factor driving changes in soil aggregates stability, soil erodibility, and other soil properties. The transformation of degraded farmland shelterbelts can decrease the porosity and reduce wind speed, resulting in improved stability and erosion resistance of the farmland soil aggregates by increasing the clay content of the farmland soils. These results are useful in renovating degraded shelterbelts, providing novel insights into how to regulate the stability of soil aggregates and soil erodibility characteristics at the shelterbelt network scale.
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Wang, Yongsheng, and Yansui Liu. "New material for transforming degraded sandy land into productive farmland." Land Use Policy 92 (March 2020): 104477. http://dx.doi.org/10.1016/j.landusepol.2020.104477.

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Cresswell, W., M. Hughes, R. Mellanby, S. Bright, P. Catry, J. Chaves, J. Freile, et al. "Densities and habitat preferences of Andean cloud-forest birds in pristine and degraded habitats in north-eastern Ecuador." Bird Conservation International 9, no. 2 (June 1999): 129–45. http://dx.doi.org/10.1017/s0959270900002252.

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SummaryThe montane cloud-forests of the north-central Andes and the montane grassland and transitional elfin forest of the central Andean páramo contain a high diversity of bird species including several restricted range and uncommon species. Little is known of how densities of Andean cloud-forest species are affected by habitat degradation. Bird densities within pristine and degraded habitats at the Guandera Biological Reserve, Carchi province, Ecuador were recorded over a 10-week period. Densities were calculated for 48 species; where densities could be compared, 69% of species occurred at a higher density in pristine habitats. Pristine forest had the highest species richness with 72 species and páramo contained 44 species. In total, 26% of pristine forest species were only found in pristine forest, 39% of páramo species only in páramo, 13% of farmland species only in farmland and there were no exclusively secondary scrub species; 47% of species found in pristine forest, and 50% found in páramo were found in both secondary scrub and farmland. Restricted range species recorded at Guandera included the Carunculated Caracara Phalcobenus carunculatus, Black-thighed Puffleg Eriocnemis derbyi, Chestnut-bellied Cotinga Doliornis remseni, Crescent-faced Antpitta Grallaricula lineifrons, Masked Mountain-tanager Buthraupis wetmorei and Black-backed Bush-tanager Urothraupis stolzmanni. Three further species that occurred at Guandera of relatively local occurrence were the Grey-breasted Mountain Toucan Andigena hypoglauca, Golden-breasted Puffleg Eriocnemis mosquera and Mountain Avocetbill Opisthoprora euryptera. Of these nine species at least five used degraded habitats, while three occurred only in pristine treeline habitats.
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Reetsch, Kapp, Feger, Schwärzel, and Dornack. "Transforming Degraded Smallholder Farmland into Multi-Functional Land Use Systems: A Case Study From Tanzania." Proceedings 30, no. 1 (November 12, 2019): 16. http://dx.doi.org/10.3390/proceedings2019030016.

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In our research, we have studied smallholder farmers in degraded farming systems in Northwest Tanzania and have compared them with farm households who were trained in sustainable land management by a local Farmer Field School. Both groups of farmers were affected by severe environmental degradation and poor soil fertility, but trained farmers have transformed degraded farmland into fertile, multi-functional land use systems. In this presentation, we discuss the successes and failures of both groups of farmers and draw conclusions towards restoring degraded land use systems. Farmers without training cannot restore degraded farmland with traditional agricultural management alone and fail to produce enough food, fodder, biofuel, and timber to support the whole family. The reasons for their failure are manifold and include environmental and socio-economic dimensions, e.g., poor management of soils and farm waste, lacking adaptation to climate change, traditional gender roles, and the loss of knowledge and labour in HIV/AIDS-affected households. In comparison, trained farmers change nutrient management by using advanced composting techniques. They also cultivate a greater variety of crops and trees, introduce organic pesticide management, ease manure collection, construct vegetable gardens that are watered by drip irrigation in the dry season, change gender roles and communication structures. The main differences between both groups of farmers occur in food security, health status, education level, marketing, income generation, prosperity, and gender-related responsibilities. However, the full potential of organic farm waste being used as soil fertiliser is not exhausted, as human excreta is not integrated into nutrient management. Farm households who are most vulnerable to food security, e.g., female-headed and HIV/AIDS-affected households, need to get support in strengthening their socio-economic base before transforming the farm management. In conclusion, local Farmer Field Schools significantly contribute to restoring land degradation. To transform smallholder agriculture in Tanzania, a joint partnership with local governmental organisations could help farmers to escape poverty and become food secure (SDG 1 and SDG 2). Similar approaches could support smallholder farmers in East Africa, where they contribute to three-fourth of the agricultural production.
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Koda, Kazuhisa, Gebreyohannes Girmay, Tesfay Berihu, and Fujio Nagumo. "Reservoir Conservation in a Micro-Watershed in Tigray, Ethiopian Highlands." Sustainability 11, no. 7 (April 5, 2019): 2038. http://dx.doi.org/10.3390/su11072038.

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Soil erosion in Ethiopian highlands has caused land deterioration due to moving nutrient-rich top soil to downstream reservoirs while leaving reservoirs dysfunctional due to sedimentation. Micro-watershed management by removing reservoir sediments and using them for reclaiming farmland, while using reservoir water for irrigation, can be a potential solution to simultaneously address soil and water constraints and food security challenges. Still, there is knowledge gap before such a solution can be practically applied. The objective of this paper is to present potential solutions for the reservoir sedimentation problem and specifically highlight the utility of bathymetric survey using an echo-sounder to assess sediment volume. Our results indicated that the estimated reservoir sediment volume was 6400 m3 leading to a reclamation of 3.2 hectares by layering 0.2 m sediment. The sediment used for reclamation depicts neutral pH (7.3), high organic carbon (2.5%), available phosphorus (9.2 mg/kg) and exchangeable potassium (25 cmol(+)/kg). Garlic (Allium sativum) was planted in the reclaiming abandoned farmland and produced 7.1 t/ha of bulb on average. There is a potential of producing 2–3 horticultural crops per year. Thus, developing methods for scaling up potential farmland reclamation using reservoir sediment would contribute to degraded farmland restoration and food security in Ethiopia and beyond.
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Molinillo, M., T. Lasanta, and J. M. García-Ruiz. "RESEARCH: Managing Mountainous Degraded Landscapes After Farmland Abandonment in the Central Spanish Pyrenees." Environmental Management 21, no. 4 (July 1, 1997): 587–98. http://dx.doi.org/10.1007/s002679900051.

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Han, Yangyang, Hongjie Wang, Guangming Zhang, Shengqi Zhang, Xingchun Liu, and Ling Liu. "Distribution, ecological risk assessment and source identification of pollutants in soils of different land-use types in degraded wetlands." PeerJ 10 (February 22, 2022): e12885. http://dx.doi.org/10.7717/peerj.12885.

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Background Urbanization and global warming are generating ecological degradation and land pattern alteration problems in natural wetlands. These changes are greatly affecting the ecological services of wetlands. Therefore, there is an urgent need to explore the relationship between pollutants and land-use type for wetland restoration purposes. Zaozhadian Lake is a freshwater wetland in the North China Plain, which is facing degradation and land-use types changes. An experiment for analyzing soil pollutants was conducted in three land-use types of farmland, lake, and ditch in the Zaozhadian Lake. The aims of this study were to identify the distribution, pollution degree, and sources of pollutants in different land-use types, and to explore the influence of land-use type changes on contamination. Methods In this study, surface sediments (0–10 cm) of three land types (farmland, lake, and ditch) in Zaozhadian Lake were collected, and heavy metals (Cu, Ni, Zn, Pb, Cd, Cr, Hg), As, total nitrogen (TN), total phosphorus (TP) and organic matter (OM) were determined. Kriging interpolation was used to visualize the pollutants distribution. The pollution degree of TN and TP was evaluated by the Nemerow pollution index. The pollution of heavy metals and As was evaluated by the geological accumulation index (Igeo) and the potential ecological risk index (RI). Then, dual hierarchical clustering analysis and the principal component analysis were performed to further analyze the impact of land type changes on pollutants. Results The heavy metal contents in the farmland were higher than other areas, while the TN (3.71 ± 1.03 g kg-1) and OM (57.17 ± 15.16 g kg−1) in lake sediments were higher than that in other regions. Farmland, lake, and ditches had low ecological risks, with RI values of 84.21, 71.34, and 50.78, respectively. The primary heavy metal pollutants are Pb, Cu, and Ni. Furthermore, Cu, As, Ni, Pb, and Zn were primarily derived from agriculture pollution, the source of Cd was the industrial pollution, and Cr mainly originated from natural sources. Nutrients primarily came from the decomposition of aquatic animals, plants, and human-related activities. When the lake area was converted into farmland, the heavy metal concentrations in the soils increased and the TN and OM decreased. Based on the results, this study put forward key strategies including the adjustment of the land-use type and restriction of the entry of pollutants into the wetland ecosystems in the Zaozhadian Lake. More attention should be paid to the impact of land-use type change on pollutants in wetlands.
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Lovejoy, Thomas E. "Rehabilitation of degraded tropical forest lands." Environmentalist 5, no. 1 (March 1985): 13–20. http://dx.doi.org/10.1007/bf02239863.

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Dissertations / Theses on the topic "Rehabilitation of Degraded Farmland"

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Birhanu, Tadesse Amsalu. "Community-based rehabilitation of degraded woodland in the Amhara Region, Ethiopia." Thesis, University of Aberdeen, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.415676.

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In the Amhara region of Ethiopia, the government has promoted a range of forestry initiatives aimed at rehabilitation of degraded land and provision of forest products. This research examined household attitudes and technical and institutional aspects of the programmes to determine how they could more effectively improve rural livelihoods and increase environmental sustainability. Households surveyed in nine villages (Kebeles) practiced mixed subsistence farming; asset endowments were variable among households, despite the government’s assumption that all households are similarly motivated to participate in forestry interventions. The majority (82%) of households plant trees on their land; the level of private tree planting is positively correlated with several wealth indicators (e.g., livestock ownership, surplus labour) and frequency of contact with an extension agent. Household tree planting activities are also influenced by Kebele-level attributes, for example, access to forest nurseries and the type of forestry intervention present in the Kebele. Household proximity to the woodland and agro-ecological potential has no effect on tree planting activities; open grazing constrains tree growing in the region. All three types of rehabilitation intervention examined (i.e., community woodlots, hillside closures, land allocation) were implemented on degraded communal land; the opportunity costs of the interventions, in terms of loss of access, have been felt more deeply by households located near intervention sites than those at a distance. Interventions managed by user groups or directly by participants are viewed more positively than those led by local government authorities (the Kebele Administrations, KA). Lack of community involvement in design and decision-making, and an underuse of products and revenue generated from community woodlots are common features in KA-led interventions.
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Oleg, Kravchenko, and Кравченко Олег Вадимович. "Optimization environment urban development in different conditions of degraded landscapes." Thesis, НАУ, 2016. http://er.nau.edu.ua/handle/NAU/24678.

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In the modern industrial city most consistent solution that provides a gradual creation of conditions to optimize urban environment, is the implementation of architectural and landscape rehabilitation of urban areas. Implementation of reconstruction works associated with changes in the quality of the urban environment, can be effective only if their social and ecological. In this regard,architectural and spatial ormation of the urban environment is considered in conjunction with the functional and ecological optimization and compositional harmonization.
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Powell, Rebecca. "Geomorphological connectivity and sensitivity examined in a recently degraded gravel-bed stream: implications for river-floodplain rehabilitation." Thesis, Rhodes University, 2017. http://hdl.handle.net/10962/53722.

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The study of river complexity and sensitivity to future human land-use activities and climate change is a fast growing field within the discipline of fluvial geomorphology. Associated with this is a need to improve river rehabilitation and catchment management approach, design and effectiveness. This study aimed to investigate drivers of the recent geomorphological sensitivity of the Baviaanskloof River-floodplain, an upland system in South Africa, by integrating the concepts of geomorphological connectivity and Panarchy. The understanding generated was used to evaluate the approach of the State agency, Working for Wetlands (WfWet), to river-floodplain rehabilitation in the catchment.The concepts of geomorphological connectivity and Panarchy provide useful frameworks for understanding interactions between geomorphological processes and structure across scales of space and time. Geomorphological connectivity explains the degree to which water and sediment is linked in a river landscape, determined by the distribution of erosional and depositional landforms (Brierley et al. 2006; Fryirs et al. 2007a; Fryirs et al. 2007b). Panarchy attempts to explain lagged response to disturbances, non-linear interactions, and sudden shifts in system state, and has been applied largely to ecological systems. Panarchy theory, when combined with the concept of geomorphological connectivity, provides a guiding framework for understanding river complexity in greater depth. The first results chapter of this study investigated river long-term and recent geomorphological history, towards understanding the nature and timing of river geomorphological cycling between erosion and deposition. Optically Stimulated Luminescence dating of alluvial fan and floodplain sedimentary units was conducted, for analysis of river-floodplain long-term history (100s to 1 000s of years). Interviews with 11 local landowners, combined with analysis of historic aerial imagery and river-floodplain topographic surveys, provided a means of describing recent (last few decades) geomorphological dynamics. The results indicated that the Baviaanskloof is naturally a cut- and-fill landscape over scales of several hundred to thousands of years, characterized by the alternation between phases of high fluvial energy and alluvial fan expansion, and low energy conditions associated with floodplain accretion. Recent and widespread river-floodplain degradation was compressed into a short period of approximately 30 years, suggesting that one or more drivers have pushed the system beyond a threshold, resulting in increased water and sediment connectivity. The second results chapter investigated the role of human land-use activities and flooding frequency and magnitude, as drivers of recent river-floodplain degradation. Human impacts were investigated by describing land-use activities for the preceding 80 years, and relating these activities to changes in river-floodplain form and behavior. Temporal trends in flood events of different frequency and magnitude were investigated by analyzing rainfall data, integrated with landowner reports of flood-inducing rainfall magnitudes. The findings indicated that human land-use activities have been an important driver of recent river- floodplain degradation, through the enhancement of water and sediment connectivity across spatial scales of the catchment. Episodic and high magnitude floods synergized with human driven increased connectivity, precipitating stream power and geomorphological threshold breaches, resulting in a shift in river behaviour. The third results chapter investigated the influence of tributary-junction streams and fans on the geomorphological form, behavior and sensitivity of the Baviaanskloof River. Local- scale topographic impacts of tributary fans and streams were described using topographic surveys and geomorphological mapping techniques. Tributary streams form a major control on the behaviour of the river, by influencing the degree of coarse sediment connectivity with the main channel. Although tributary fans buffer the river from disturbances occurring in the wider catchment, they initiate topographic variations along the floodplain, influencing local-scale patterns of deposition and erosion along the river. The main river responds to water and sediment inputs from tributary junction streams by locally adjusting longitudinal slope, maintaining an overall constant slope of 0.0066 m/m. The response of the Baviaanskloof River to tributary junction fans and streams is however variable, and is fashioned by complex interactions between geomorphological and anthropogenic factors. The final two chapters of the thesis evaluate the findings of the study within the context of river-floodplain rehabilitation approaches in South Africa, and within the theoretical, philosophical and methodological context of the research. The first of these two chapters evaluates the approach of the WfWet programme to river-floodplain rehabilitation in the Baviaanskloof. The chapter indicates that the present practice of WfWet is to reinstate a pre-degradation state, which is not suited to the Baviaanskloof River-floodplain, since the river-floodplain has passed a geomorphological threshold, resulting in a new set of interacting processes and landforms. The author presents a conceptual model illustrating the existence of geomorphological adaptive cycles interacting across spatial and temporal scales, thereby attempting to explain a river Panarchy specific to the Baviaanskloof. From this conceptual model, a hierarchical rehabilitation framework, targeting geomorphological processes and structure situated at different spatial and temporal scales of the landscape is suggested. The final chapter discusses the implications of integrating the concepts of geomorphological connectivity and river Panarchy theory in studies of river complexity and sensitivity to geomorphological change. The author suggests that there is scope for further investigation of the application of the two concepts within the discipline of fluvial geomorphology, particularly with regard to developing quantitative approaches to measuring and describing connectivity and Panarchy.
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Rossi, Fernando C. [Verfasser], and Gero [Akademischer Betreuer] Becker. "Assessment of degraded forests supported with UAV imagery towards planning rehabilitation strategies : : case study in the Argentinian Yungas." Freiburg : Universität, 2019. http://d-nb.info/1182894984/34.

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Madouh, Tareq A. "Effect of drought on growth and development of perennial desert species for rehabilitation of degraded areas of Kuwait." Thesis, University of Reading, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.422779.

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Matsui, Naohiro. "Development of mangrove rehabilitation techniques as a counter-measure of global warming and a measure of recovering degraded coastal ecosystem." 京都大学 (Kyoto University), 2007. http://hdl.handle.net/2433/137090.

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AraÃjo, Isabel Cristina da Silva. "Potential for revegetation of degraded soil by iron mining using leguminous trees and waste shrimp." Universidade Federal do CearÃ, 2012. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=8130.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior
Dentre as alternativas para recuperar Ãreas degradadas està a adiÃÃo de resÃduos orgÃnicos visando melhorar a estrutura e a disponibilidade de nutrientes no substrato degradado. No Estado do CearÃ, o resÃduo orgÃnico proveniente de tanques de criaÃÃo de camarÃes (carcinicultura) merece destaque por apresentar teores relevantes de nutrientes e matÃria orgÃnica. O objetivo deste estudo foi comprovar a hipÃtese de que o resÃduo de carcinicultura favorece o desenvolvimento de leguminosas arbÃreas e melhora o substrato degradado. Na etapa inicial do estudo foi feita a caracterizaÃÃo geoquÃmica e fÃsico-quÃmica do resÃduo para identificar a presenÃa de pirita e o risco potencial de acidificaÃÃo. Posteriormente, foi instalado um experimento em casa de vegetaÃÃo com delineamento experimental em blocos casualizados e esquema fatorial 5x3, com quatro repetiÃÃes. Os tratamentos foram cinco doses de resÃduo de carcinicultura (0; 2; 4; 8; 12 Mg ha-1) e trÃs espÃcies de leguminosas: Sabià (Mimosa caesalpiniaefolia Benth), Leucena (Leucaena leucocephala) e Jurema Preta (Mimosa hostilis). TrÃs meses apÃs a adiÃÃo do resÃduo de carcinicultura foi avaliado o crescimento das leguminosas, bem como a fitomassa e o acÃmulo de nutrientes na parte aÃrea e nas raÃzes. TambÃm foi avaliada a disponibilidade de nutrientes no substrato. Por meio dos resultados da anÃlise geoquÃmica do ferro foi observado baixo grau de piritizaÃÃo e, consequentemente baixo risco de acidificaÃÃo ao utilizar o resÃduo de carcinicultura. Ao final do perÃodo de trÃs meses de avaliaÃÃo do experimento em casa de vegetaÃÃo, constatou-se que as leguminosas arbÃreas responderam positivamente Ãs doses de resÃduo. As espÃcies que apresentaram maior crescimento em altura e maior fitomassa foram Mimosa caesalpiniaefolia e Mimosa hostilis, apresentando tambÃm maior acÃmulo de nutrientes. Os efeitos do resÃduo de carcinicultura no solo foram: aumento na condutividade elÃtrica e no pH. Conclui-se que o resÃduo da carcinicultura favorece o crescimento e o desenvolvimento das leguminosas arbÃreas avaliadas no presente estudo, sem prejudicar atributos quÃmicos e fÃsicos do substrato e permitindo maior disponibilidade de nutrientes de modo a favorecer o processo de revegetaÃÃo da Ãrea degradada.
The addition of organic residues is among the alternatives to rehabilitate degraded lands, aiming to improve the structure as well as the nutrients availability of mining spoils. In the Cearà State, the organic residue from shrimp farms (carcinicultura) deserves attention because it contains relevant amount of nutrients and organic matter. The aim of this study was to test the hypothesis that residue from shrimp farms improves the development of leguminous trees as well as the degraded land. In the initial phase of this study both geochemical and physical-chemical characterization of the organic residue were done aiming to identify the presence of pirite, and the potential risk of acidification. One experiment was set up under controled conditions, in the experimental design of randomized blocks in a factorial scheme 5x3, with four replications. The treatments were five rates of organic residue from shrimp farms (0; 2; 4; 8; 12 Mg ha-1) and three leguminous trees species: Sabià (Mimosa caesalpiniaefolia Benth), Leucena (Leucaena leucocephala) and Jurema Preta (Mimosa hostilis). Three months after addition of the organic residue were evaluated the growth of leguminous trees, the fitomass, as well as the nutrients accumulation in the above ground, and bellow ground parts of the plants. The availability of nutrients in the substrate also was evaluated. The results of the geochemical analysis showed low amount of pirite, and consequently the low risk of acidification by the use of organic residue from shrimp farms. After a period of three months was observed that leguminous trees presented positive answer to rates of organic residue. The species that presented higher growth and fitomass production were Mimosa caesalpiniaefolia and Mimosa hostilis, presenting also the higher nutrients accumulation. The effects of the organic residue in the soil were: increase in soil eletric conductivity, and pH. The conclusion is that the organic residue from shrimp farms improved the growth and development of leguminous trees in the present study, and it did not damage soil chemical and physical attributes, allowing higher availability of nutrients to favour plant growth in degraded land.
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Tayierjiang, Aishan [Verfasser], Ümüt [Akademischer Betreuer] Halik, and Bernd [Akademischer Betreuer] Cyffka. "Degraded Tugai Forests under rehabilitation in the Tarim riparian ecosystem, Northwest China: monitoring, assessing and modelling / Aishan Tayierjiang. Betreuer: Ümüt Halik ; Bernd Cyffka." Eichstätt-Ingolstadt : Katholische Universität Eichstätt-Ingolstadt, 2016. http://d-nb.info/1091059365/34.

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Gunawan, Haris. "Rehabilitation of Degraded Peat Swamp Forest for the Promotion of Ecosystem Sevices and Rural Livelihoods in Giam Siak Kecil-Bukit Batu Biosphere Reserve, Riau, Indonesia." 京都大学 (Kyoto University), 2012. http://hdl.handle.net/2433/157871.

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Kyoto University (京都大学)
0048
新制・課程博士
博士(地域研究)
甲第16981号
地博第133号
新制||地||43(附属図書館)
29656
京都大学大学院アジア・アフリカ地域研究研究科東南アジア地域研究専攻
(主査)教授 小林 繁男, 准教授 古澤 拓郎, 教授 河野 泰之, 准教授 甲山 治
学位規則第4条第1項該当
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Ré, Tatiana Monteiro. "O uso de formigas como bioindicadores no monitoramento ambiental de revegetação de áreas mineradas." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/3/3134/tde-09012008-084450/.

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As atividades de mineração são o suporte do crescimento e do desenvolvimento econômico da sociedade moderna. Por outro lado, estas atividades são causadoras de consideráveis modificações ambientais. Assim, faz-se necessário o desenvolvimento da Avaliação de Impacto Ambiental, que vise a definição de planos de controle ambiental que garanta a mitigação de tais impactos, bem como o seu monitoramento para verificação da eficácia das medidas definidas. Esta avaliação é uma exigência da Constituição Brasileira de 1988: toda atividade poluidora deve recuperar os danos causados ao meio ambiente. A obrigação de recuperar consiste em repor a área em uma situação de normalidade e estabilidade. Desta forma, algumas medidas mitigadoras, como a reposição vegetal e a reimplantação da fauna, estão sendo tomadas por alguns empreendimentos, as quais medidas necessitam ser monitoradas, a fim de permitir a avaliação de sua eficácia e evolução ao longo do tempo. O biomonitoramento é uma prática nova nas ciências ambientais. Este estudo propõe uma metodologia de monitoramento biológico capaz de avaliar a eficácia e a evolução das técnicas de revegetação na mineração. Como estudo de caso, foi selecionada a Millennium Chemicals - empresa que pertence ao Grupo Lyondell Chemicals Company - que produz minerais pesados, na Mina do Guaju, localizada no extremo norte do Estado da Paraíba. Trata-se de uma proposta metodológica que visa uma simples e prática aplicabilidade, permitindo a continuidade do biomonitoramento ambiental por um longo período de tempo com a utilização de insetos, em especial da Família Formicidae. Além da proposta de metodologia, este trabalho também contempla resultados e análises do total de três coletas, que foram realizadas ao longo de um ano. A metodologia desenvolvida, incluindo os processos de coletas e análise de resultados, representa uma contribuição importante para a redução de custos despendidos para o processo de gerenciamento ambiental de empresas de mineração, através de um melhor direcionamento dos procedimentos ambientais adotados, sua relação com o 9 planejamento de lavra, e permitindo um monitoramento da área afetada pela mineração.
The mining industry is known to contribute to the growth and the economic development of modern society. However, these activities may generate considerable modifications to the environment. Therefore, it is necessary the development of an Environmental Impact Evaluation that aims the definition of the environmental control plans that guarantee the mitigation of such impacts, as well as their monitoring to check the effectiveness of the defined measures. Such a plan is a now requirement introduced by the Brazilian Constitution of 1988: all polluting activities must recover the actual damages to the environment. Because of that, procedures such as vegetation replacement and re-establishment of the fauna are being taken by most companies of mining where rehabilitation measures need to be monitored, in order to allow the evaluation of its effectiveness and progress throughout time. Biomonitoring is a new monitoring practice in environmental science. The present research work has the objective of developing a biological automonitoring methodology for evaluating the effectiveness and the progress of revegetation techniques in mined-out areas. As study case, it was selected Millennium Chemicals - a company that belongs to Lyondell Chemicals Company - that produces heavy minerals in Mina do Guaju, located in the extreme north of Paraíba State. The proposed methodology includes a simple and practical way for measuring biomonitored environment for an extended period of time with the use of insects, with particular focus on the Formicidae Family. In addition to the methodology proposed, this research work also contemplates preliminary results and analysis of the first collection, of the total of three collections, which should be carried throughout one year. The methodology proposed, which include data collection and analysis of results, represents an important contribution for the reduction of costs of environmental management of mining companies, through better environmental control procedures, and their relation with mine planning, and auto-monitoring of the areas eventually affected by mining activities.
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Books on the topic "Rehabilitation of Degraded Farmland"

1

Lamb, David. Rehabilitation and restoration of degraded forests. Gland, Switzerland: IUCN, 2003.

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Banerjee, Ajit Kumar. Rehabilitation of degraded forests in Asia. Washington, D.C: World Bank, 1995.

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P, Gupta J. Biomass production and rehabilitation of degraded lands in arid zone. Jodhpur: Division of Integrated Landuse Management and Farming System, Central Arid Zone Research Institute, 2002.

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S, Rao K. Sustainable development and rehabilitation of degraded village lands in Himalaya. Dehra Dun, India: Bishen Singh Mahendra Pal Singh, 1994.

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Munshower, Frank F. Floodplain rehabilitation along streams degraded by mining and milling wastes. Bozeman, MT: Montana State University, Reclamation Research Unit, 1992.

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India) National Workshop on Rehabilitation of Degraded Lands (2009 Allahabad. National Workshop on Rehabilitation of Degraded Lands, 6th - 7th October, 2009: Abstracts. Allahabad: Centre for Social Forestry & Eco Rehabilitation, 2009.

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Squires, Victor R., and Ali T. Ayoub, eds. Halophytes as a resource for livestock and for rehabilitation of degraded lands. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0818-8.

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Mullah, C. J. Amwatta. Rehabilitation of degraded natural forests in Kenya: A guide for forest managers and stakeholders in forest rehabilitation. Nairobi, Kenya: Kenya Forestry Research Institute, 2013.

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Amente, Girma. Rehabilitation and sustainable use of degraded community forests in the Bale Mountains of Ethiopia. Freiburg: Waldbau-Institut, Albert-Ludwigs-Universität, 2006.

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Bureau, Philippines Ecosystems Research and Development. A research compendium for damaged coastal areas: Rehabilitation & ecological restoration R & D for marginal & degraded landscapes and seascapes : compendium of rehabilitation strategies for damage coastal areas. College, Laguna: Dept. of Environment and Natural Resources, Ecosystems Research and Development Bureau, 2010.

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Book chapters on the topic "Rehabilitation of Degraded Farmland"

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Raizada, A., and S. K. Dhyani. "Agroforestry Approach for the Rehabilitation of Mine Spoils." In Agroforestry for Degraded Landscapes, 271–95. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6807-7_9.

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Parandiyal, A. K., B. K. Sethy, J. Somasundaram, S. Ali, and H. R. Meena. "Potential of Agroforestry for the Rehabilitation of Degraded Ravine Lands." In Agroforestry for Degraded Landscapes, 229–51. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6807-7_7.

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Gupta, Sharda Rani, Jagdish Chander Dagar, and Demel Teketay. "Agroforestry for Rehabilitation of Degraded Landscapes: Achieving Livelihood and Environmental Security." In Agroforestry for Degraded Landscapes, 23–68. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4136-0_2.

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Sousa, Alexandre Ventura. "Rehabilitation of the Tagus Estuary." In Restoration of Degraded Rivers: Challenges, Issues and Experiences, 153–62. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-2894-2_7.

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Malcolm, C. V. "Use of halophyte forages for rehabilitation of degraded lands." In Halophytes as a resource for livestock and for rehabilitation of degraded lands, 25–41. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0818-8_4.

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Gousgounis, Nisoc. "The River Acheloos’ Diversion Project for Rehabilitation of Water Resources." In Restoration of Degraded Rivers: Challenges, Issues and Experiences, 163–71. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-2894-2_8.

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Chaturvedi, O. P., R. Kaushal, J. M. S. Tomar, A. K. Prandiyal, and P. Panwar. "Agroforestry for Wasteland Rehabilitation: Mined, Ravine, and Degraded Watershed Areas." In Advances in Agroforestry, 233–71. New Delhi: Springer India, 2013. http://dx.doi.org/10.1007/978-81-322-1662-9_8.

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Arnold, Uwe J. E., and Klaus-Jürgen Haupt. "Organization, Management and Financing of Environmental Rehabilitation Projects: Experiences in Eastern Germany." In Restoration of Degraded Rivers: Challenges, Issues and Experiences, 295–346. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-2894-2_19.

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Singh, V. P., L. Verchot, C. Martius, D. Nayak, and J. Rizvi. "Rehabilitation of Degraded Lands in Semiarid and Subhumid Ecologies in India." In Ravine Lands: Greening for Livelihood and Environmental Security, 505–21. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8043-2_23.

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Lotov, Alexander V. "Computer-Based Support for Planning and Negotiation on Environmental Rehabilitation of Water Resource Systems." In Restoration of Degraded Rivers: Challenges, Issues and Experiences, 417–45. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-2894-2_25.

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Conference papers on the topic "Rehabilitation of Degraded Farmland"

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Urban, Robert A., and Bhavik R. Bakshi. "Emergy analysis of ethanol production from low-input, high-diversity (LIHD) grasslands on degraded farmland." In 2011 IEEE International Symposium on Sustainable Systems and Technology (ISSST). IEEE, 2011. http://dx.doi.org/10.1109/issst.2011.5936912.

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Aparin, Boris. "REHABILITATION AGRICULTURE SYSTEMS ON DEGRADED SOILS IN THE HUMID ZONE." In Land Degradation and Desertification: Problems of Sustainable Land Management and Adaptation. LLC MAKS Press, 2020. http://dx.doi.org/10.29003/m1670.978-5-317-06490-7/35-39.

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Most of the arable soils that became deposits at the turn of the 21st century have lowered their agroecological potential. This is due to degradation processes, which manifest in various forms depending on the structure of the soil cover, types of anthropogenic impact, and farming systems used. Assessing theagroecological potential of degraded soils is becoming more complicated due to global climate change. Thus, the problem arises of developing rehabilitation soil-conservation farming systems adapted to climate change and modern socio-economic conditions.
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Xinfeng, Li, Wang Jinman, and Zhang Meng. "Study on the quantity and quality potential of farmland consolidation and rehabilitation in county area." In The International Conference on Remote Sensing,Environment and Transportation Engineering. Paris, France: Atlantis Press, 2013. http://dx.doi.org/10.2991/rsete.2013.128.

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Kanninen, Melvin F., Randall B. Stonesifer, and Kyle Bethel. "The Design of a Self-Monitoring Thermoplastic Composite Pipe for High Pressure Gas/Liquid Transport." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25109.

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Pipes made of high density polyethylene (HDPE) and other thermoplastic materials do not corrode. However, this considerable advantage, because HDPE is limited to a line pressure of 125 psig, cannot be utilized for the replacement or rehabilitation of trunk lines in gas/liquid distribution systems and transmission lines where pressures range from 150 psig up to 1500 psig or more, without some form of reinforcement. This paper describes an advanced technology for accomplishing this by use of a composite of thermoplastic materials. This technology can be used for high pressure applications in either a stand-alone mode, or as a pipe within a pipe, by its insertion into an existing damaged/degraded high-pressure steel pipeline. In either mode, arbitrarily high pressures can be achieved, health can be monitored with a built-in fiber optic sensor system, and wall loss due to corrosion precluded. The focus of the paper is on addressing some of the ancillary issues that arise in the utilization of the technology that are not usually of concern in steel pipelines: nonlinear stress analysis of heterogeneous materials, time/temperature dependent mechanical properties, greenhouse gas permeation, and the diminution of flow area associated with internal reinforcement.
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Wong, Wing-Keat (Wayne), Brad Wiebe, Curtis Treen, and John Richmond. "Preserving Pipeline Integrity With Large Diameter Stone Columns at Dead Horse Creek Crossing, Southern Manitoba, Canada." In 2018 12th International Pipeline Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/ipc2018-78651.

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Pipeline integrity has been threatened at the Dead Horse Creek pipeline crossing in southern Manitoba by a slow-moving slope failure with a potential for crest retrogression. The movement zone extends from the slope crest to the bottom of the creek, a vertical distance of about 25 m and is approximately 80 m long from toe to scarp and 100 m wide along the creek. The slope has degraded over time and is controlled by the combination of local geology, which consists of weak colluvium overlying high plastic clay shale, and creek bank erosion and channel degradation. Saturated soil conditions, a function of poor drainage and elevated seasonal precipitation, have exacerbated the problem over the years. The slope movements have been monitored on a regular basis since 2008 and presented an increasing risk to the integrity of multiple pipelines located in two rights-of-way (ROWs) situated within and immediately adjacent to the failing soil mass. The site is surrounded by various infrastructure and recreational areas that are key to the community, and therefore is considered a high consequence area with respect to potential pipeline failures. To manage the risk and protect pipeline integrity, various stress relief and other mitigating measures have been implemented since 2013 [1], culminating in a major slope rehabilitation project undertaken in 2015, which comprised earthworks, drainage and watercourse improvements, and slope stabilization using stone columns. While the use of stone columns to stabilize embankments is not a new technique, it is not commonly used in the pipeline industry and represents another option for geohazard stabilization in the right situations. This paper presents the slope stabilization techniques employed and discusses the challenges of working on an active moving slope confined by a watercourse and live pipeline assets. The positive benefits of the stabilization measures are illustrated through the use of 2D and 3D numerical modelling, and confirmed through an ongoing geohazard management program that includes site inspection and instrumentation monitoring which continues to show improvements in slope performance post construction.
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Reports on the topic "Rehabilitation of Degraded Farmland"

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Barlow, Jos, Liana Anderson, Erika Berenguer, Pedro Brancalion, Nathalia Carvalho, Joice Ferreira, Rachael Garrett, et al. Policy Brief: Transforming the Amazon through ‘Arcs of Restoration’. Sustainable Development Solutions Network (SDSN), November 2022. http://dx.doi.org/10.55161/kjcs2175.

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There is an urgent need for large-scale restoration across the Amazon, which has suffered decades of deteriorating ecological conditions and is fragile in the face of climate change. Restoration at scale can be achieved through seven complementary targets: (a) Achieve zero deforestation by 2030; (b) Avoiding forest degradation; (c) Restoring forests in protected areas; (d) Restoring forests in undesignated lands; (e) Restoring areas that have been cleared above the legal allowance on private lands; (f) Restoring forest cover beyond legal compliance; and (g) Sustainable restoration of degraded farmland.
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Shengji, P., and S. Karki. Rehabilitation of Degraded Lands in Mountain Ecosystems of the Hindu Kush-Himalayan Region; Proceedings of an International Workshop Held in Baoshan, China, December 19-22, 1994. Kathmandu, Nepal: International Centre for Integrated Mountain Development (ICIMOD), 1994. http://dx.doi.org/10.53055/icimod.171.

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Shengji, P., and S. Karki. Rehabilitation of Degraded Lands in Mountain Ecosystems of the Hindu Kush-Himalayan Region; Proceedings of an International Workshop Held in Baoshan, China, December 19-22, 1994. Kathmandu, Nepal: International Centre for Integrated Mountain Development (ICIMOD), 1994. http://dx.doi.org/10.53055/icimod.171.

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ICIMOD Methodology Workshop on Rehabilitation of Degraded Lands in Mountain Ecosystems of the Hindu Kush-Himalayan Region. Kathmandu, Nepal: International Centre for Integrated Mountain Development (ICIMOD), 1994. http://dx.doi.org/10.53055/icimod.162.

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ICIMOD Methodology Workshop on Rehabilitation of Degraded Lands in Mountain Ecosystems of the Hindu Kush-Himalayan Region. Kathmandu, Nepal: International Centre for Integrated Mountain Development (ICIMOD), 1994. http://dx.doi.org/10.53055/icimod.162.

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