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Relevant bibliographies by topics / Desertification

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Academic literature on the topic 'Desertification'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 July 2024

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Journal articles on the topic "Desertification"

1

Middleton, N. J. "Desertification." Journal of Arid Environments 23, no. 4 (November 1992): 456–57. http://dx.doi.org/10.1016/s0140-1963(18)30626-8.

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Habib, Benbader, Mohamed Saadaoui, Abdallah Boumakhleb, Malika Brahimi, Abdelghafour Doghbage, Adel Djoughlafi, Hafidh Zemour, and Fathi Abdellatif Belhouadjeb. "Aspects of the ecosystem services threatened by desertification in Algerian steppe rangelands: concepts, status and stakes." Journal of Agriculture and Applied Biology 5, no. 1 (January 12, 2024): 1–17. http://dx.doi.org/10.11594/jaab.05.01.01.

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This study focuses on the imminent threat of desertification within Djelfa's steppe grazing lands, emphasizing its implications for land management and the sustainability of livestock practices. The methodology adopted employs a stringent approach that commences with a precise definition of desertification as a critical risk. It then proceeds to thoroughly assess the susceptibility of the local ecosystem to this phenomenon and delineates its consequential impact on both the human inhabitants and the surrounding environment. This comprehensive analysis effectively contextualizes human activities within the sphere of desertification's influence. Methodologically, the study employs a multidimensional framework to categorize the array of environmental goods and services rendered by these grazing lands. By identifying the beneficiaries associated with each service, the research aims to elucidate the complex threat posed at various levels. Crucially, the findings highlight the severe jeopardy that desertification imposes, not only endangering essential resources vital for extensive livestock production but also triggering a decline in invaluable environmental goods pivotal for the sustainability of the ecosystem and activities supporting human welfare. Statistically substantiated through an integration of diverse methodologies such as field surveys, satellite imagery analysis, and stakeholder consultations, this study validates the correlations between desertification and the degradation of ecosystem services. It provides empirical evidence showcasing the gradual decline of grazing lands, thereby compelling an urgent call for intervention strategies. In summary, this research underscores the urgent need for holistic strategies to mitigate the adverse effects of desertification. Its findings provide critical insights into the complex dynamics between human activities, ecosystem vulnerabilities, and the looming threat of desertification. It emphasizes the necessity for immediate collective action and sustainable resource management practices to safeguard ecosystems, ensure long-term sustainability, and protect the well-being of communities in Djelfa and beyond.

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Liu, Q. G. "Spatial and Temporal Changes and Driving Factors of Desertification Around Qinghai Lake, China." Nature Environment and Pollution Technology 22, no. 1 (March 2, 2023): 119–27. http://dx.doi.org/10.46488/nept.2023.v22i01.010.

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The area around Qinghai Lake is one of the most serious desertification areas on the Qinghai-Tibet Plateau. In this paper, combined with field investigation and indoor analysis, the classification and grading system of desertification around Qinghai Lake was established. On this basis, through remote sensing data processing and parameter inversion, the desertification monitoring index model was established. Based on the analysis of Landsat-5/TM remote sensing data from 1990 to 2020, the dynamic change characteristics of desertification land around Qinghai Lake in recent 30 years were obtained. The results show that the desertification area around Qinghai Lake was 1,359.62 km2, of which the light desertification land was the main one. The desertification spread in a belt around Qinghai Lake, concentrated in Ketu sandy area in the east, Ganzi River sandy area in the northeast, Bird Island sandy area in the northwest, and Langmashe sandy area in the southeast. From 1990 to 2000, the annual expansion rate of desertification around Qinghai Lake was 2.68%, the desertification spread rapidly, and light desertification land was the main part of desertification expansion. From 2000 to 2010, the annual expansion rate of desertification was only 0.83%, but severe desertification land and moderate desertification land developed more rapidly than in the previous period. From 2010 to 2020, the annual expansion rate of desertification was 2.66%, and the desertification was spreading rapidly, mainly with moderate desertification land and light desertification land. In the process of desertification land transfer around Qinghai Lake, the transfer of desertification land and non-desertification land was the main, accompanied by the mutual transformation of different levels of desertification land. The process of desertification around Qinghai Lake was essentially the result of natural and human factors. The special geographical location, climate changes, rodent damage, and human factors around Qinghai Lake were the main causes of desertification.

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Feng, Yuanyuan, Shihang Wang, Mingsong Zhao, and Lingmei Zhou. "Monitoring of Land Desertification Changes in Urat Front Banner from 2010 to 2020 Based on Remote Sensing Data." Water 14, no. 11 (June 1, 2022): 1777. http://dx.doi.org/10.3390/w14111777.

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Monitoring the spatio-temporal dynamics of desertification is critical for desertification control. Using the Urat front flag as the study area, Landsat remote sensing images between 2010 and 2020 were selected as data sources, along with MOD17A3H as auxiliary data. Additionally, RS and GIS theories and methods were used to establish an Albedo–NDVI feature space based on the normalized difference vegetation index (NDVI) and land surface albedo. The desertification difference index (DDI) was developed to investigate the dynamic change and factors contributing to desertification in the Urat front banner. The results show that: ① the Albedo–NDVI feature space method is effective and precise at extracting and classifying desertification information, which is beneficial for quantitative analysis and monitoring of desertification; ② from 2010 to 2020, the spatial distribution of desertification degree in the Urat front banner gradually decreased from south to north; ③ throughout the study period, the area of moderate desertification land increased the most, at an annual rate of 8.2%, while the area of extremely serious desertification land decreased significantly, at an annual rate of 9.2%, indicating that desertification degree improved during the study period; ④ the transformation of desertification types in Urat former banner is mainly from very severe to moderate, from severe to undeserted, and from mild to undeserted, with respective areas of 22.5045 km2, 44.0478 km2, and 319.2160 km2. Over a 10-year period, the desertification restoration areas in the study area ranged from extremely serious desertification to moderate desertification, from serious desertification to non-desertification, and from weak desertification to non-desertification, while the desertification aggravation areas ranged mainly from serious desertification to moderate desertification; ⑤ NPP dynamic changes in vegetation demonstrated a zonal increase in distribution from west to east, and significant progress was made in desertification control. The change in desertification has accelerated significantly over the last decade. Climate change and irresponsible human activities have exacerbated desertification in the eastern part of the study area.

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Yang, Wei, and Shu Wen Zhang. "Monitoring Desertification Process in Songnen Sandy Land during the past 10 Years." Advanced Materials Research 518-523 (May 2012): 4740–44. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.4740.

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In this paper, we used MODIS remote sensing image data of Songnen Sandy Land in July 2000 and 2010, extracted the value of MSAVI and vegetation cover index. Based on their values, degrees of desertification were classified including: un-desertification, micro-desertification, mild desertification, moderate desertification and severe desertification. The result show that the area of the desertification decreased in the past 10 years. The desertification is under a decreasing trend.

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Ying, Bin, Shi Zhen Xiao, Kang Ning Xiong, Qi Wei Chen, and Jing Sheng Luo. "The Distribution Characteristics of Rocky Desertification and Land Use/Land Cover in Karst Gorge Area." Advanced Materials Research 518-523 (May 2012): 4661–69. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.4661.

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The Huajiang Demonstration Area, which is a representative karst area with typical rocky desertification landscape in Guizhou was chosen as the study area. Based on the 5m resolution Spot 5 remote sensing images, the topographic maps (1:10 000) and the land use map etc, the rocky desertification of the area was interpreted. We took quantitative analysis through introducing two concepts: the rocky desertification occurrence among land use/land cover and the land use/ cover structure value of rocky desertification. The data showed that(1) the proportion of highly steep slopes in the study area is one of the reasons leading to large area of rocky desertification; (2)The rocky desertification occurrence among different land use/cover is different, and the land use/ cover type structure among rocky desertification is also different among all grades of desertification; (3)Rocky desertification intensity in different land use/cover can’t be measured in means of rocky desertification occurrence, high rocky desertification occurrence may be in a low-intensity state, and vice versa. (4)It is suggested that land use conditions, rocky desertification grades, and terrain of the land should be fully considered in the process of designing and matching rocky desertification control measures.

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Liu, Zhihui, Long Ma, Tingxi Liu, Zixu Qiao, and Yang Chen. "Influence of Key Climate Factors on Desertification in Inner Mongolia." Atmosphere 14, no. 9 (September 6, 2023): 1404. http://dx.doi.org/10.3390/atmos14091404.

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Desertification is a major environmental problem facing the world today, and climate change is an important factor influencing desertification. This study investigates the impact of changes in key climate factors on desertification based on normalized difference vegetation index data, precipitation data and evaporation data from Inner Mongolia between 1982 and 2020 using correlation analysis, regression modelling, and residual analysis. The results show that precipitation and evaporation are significantly correlated with mild desertification and severe desertification, respectively, with correlation coefficients reaching 0.98 and −0.96, respectively. In severely desertified areas in central-eastern Inner Mongolia, there is a high correlation between desertification and temperature, the characteristics of the correlation of average maximum and minimum temperatures with desertification are similar to those of the correlation of average temperature with desertification, and the average maximum and minimum temperatures are well correlated with mild desertification, with correlation coefficients as high as 0.98 and 0.978, respectively. Climate contribution accounts for 97% of desertification in severely desertified areas, indicating that climate change has increased desertification in these areas. In regions with improved desertification, approximately 75% are primarily influenced by climate change (with a relative contribution greater than 50%), with climate factors exhibiting a relative contribution greater than 75% to desertification in 30% of these regions.

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Xie, Jiali, Zhixiang Lu, and Kun Feng. "Effects of Climate Change and Human Activities on Aeolian Desertification Reversal in Mu Us Sandy Land, China." Sustainability 14, no. 3 (January 31, 2022): 1669. http://dx.doi.org/10.3390/su14031669.

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The aeolian desertification in Mu Us Sandy Land (MUSL) in northern China have been paid much attention, but the relative contributions of climate change and human activities to desertification dynamics are still not clear. Based on the Landsat MSS, TM, ETM+ and OLI images in 1975, 1990, 1995, 2000, 2005, 2010 and 2015, we developed a database of aeolian desertification land distribution, discussed the spatial and temporal variation of aeolian desertification, and discovered the relative contributions of climate change and human activities to desertification reversal, using the trends of the potential net primary productivity (NPP) and the human-influenced NPP with meteorological data and MODIS NPP products. The results indicated that aeolian desertification developed firstly from 1975 to 2000, with serious and severe aeolian desertification land continually increasing, and then changed into a reversal state from 2000 to 2015, as the serious aeolian desertification land decreased, although the severe, moderate and light aeolian desertification land lightly increased. Human activities were the dominant factor in desertification dynamics in MUSL and had different contributions to aeolian desertification reversal in different periods. This study will improve our understanding of the processes of aeolian desertification.

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Bartuska, Ann. "Beyond desertification." Frontiers in Ecology and the Environment 13, no. 1 (February 2015): 3. http://dx.doi.org/10.1890/1540-9295-13.1.3.

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Weissmann, Haim, and Nadav M. Shnerb. "Stochastic desertification." EPL (Europhysics Letters) 106, no. 2 (April 1, 2014): 28004. http://dx.doi.org/10.1209/0295-5075/106/28004.

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Dissertations / Theses on the topic "Desertification"

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Могильна, Наталія Олексіївна, Наталия Алексеевна Могильная, Nataliia Oleksiivna Mohylna, and Stanley Chizoba Mbelu. "Desertification in Africa." Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/10075.

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Tshikesho, Desiderius Raimund. "A study of perceptions, knowledge and understanding of desertification and its causes among decision makers in northern Namibia." Thesis, Rhodes University, 1996. http://hdl.handle.net/10962/d1003664.

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This study was aimed at investigating the perceptions, knowledge and understanding of desertification and its causes among decision makers in northern Namibia. The focus of investigation was on desertification and its major causes as identified in the general literature, viz. deforestation, overgrazing and overcultivation. Particular attention was given to the socioeconomic and cultural factors which are behind these perceived 'ecological' causes of desertification. Furthermore, the respondents were also engaged in the generation of solutions to the problem of desertification and its causes. Data collection was based on semi-structured interviews with the regional governors, councillors and chief headmen from the four northern regions. A qualitative approach was adopted for the research and findings are essentially descriptive and qualitative. It is anticipated that the study will make an important contribution to the current debate on desertification in Namibia, specifically with regard to the perceptions, knowledge and understanding of desertification and its causes among the decision makers in northern Namibia.

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Milich, Lenard B. "Characterizing and relating variability in satellite images of the West African Sudano-Sahel to desertification and food security." Diss., The University of Arizona, 1997. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_1997_216_sip1_w.pdf&type=application/pdf.

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Smith, Richard D. "Desertification, overgrazing and soil spatial variability in an arid savanna." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327643.

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Owusu, Alex B. "Detecting and quantifying the extent of desertification and its impact in the semi-arid Sub-Saharan Africa a case study of the Upper East Region, Ghana /." Fairfax, VA : George Mason University, 2009. http://hdl.handle.net/1920/4576.

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Thesis (Ph.D.)--George Mason University, 2009.
Vita: p. 287. Thesis co-directors: Sheryl L. Beach, Guido Cervone. Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Earth Systems and Geoinformation Sciences. Title from PDF t.p. (viewed Oct. 11, 2009). Includes bibliographical references (p. 267-286). Also issued in print.

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Hamza, Kanar. "Desertification and political instability in the Tigris and Euphrates river basins /." Full-text of dissertation on the Internet (2.54 MB), 2010. http://www.lib.jmu.edu/general/etd/2010/masters/hamzakh/hamzakh_masters_05-06-2010.pdf.

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Lopes, da Fonseca Ines de Figueiredo Mascarenhas. "Modelling soil properties at the landscape scale in a desertification context." Thesis, King's College London (University of London), 2005. https://kclpure.kcl.ac.uk/portal/en/theses/modelling-soil-properties-at-the-landscape-scale-in-a-desertification-context(ffb67ea2-a86e-4045-bf53-a708b2c5c997).html.

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Long, Marybeth 1967. "Grains of truth : science and the evolution of international desertification policymaking." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/9140.

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Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2000.
Includes bibliographical references (leaves 321-346).
This study explores changing perceptions of dryland degradation (desertification) as revealed through twentieth century intergovernmental policies. Between the 1930s and 1990s these policies reflected markedly different ideas regarding the nature of the problem (e.g., global or local), its causes (e.g., natural or anthropogenic), and its remedies (e.g., based on modem science or indigenous knowledge). In the 1970s, for example, policies portrayed desertification as a phenomenon of worldwide extent. They identified "irrational systems of productivity" as primarily responsible for the problem and prescribed technological means for its amelioration. In the 1990s policies emphasized the local variability of land degradation. They attributed desertification to complex interactions involving ecological, political and economic factors, and called for decentralized programs and public participation. This thesis argues that the history of desertification as a policy issue does not conform to traditional notions of progress whereby advances in science enable and underwrite advances toward effective governance. In this case, varied framings of the problem, rather than emerging from improved understandings of nature, arose from interactions linking the creation of scientific knowledge with the formation of international environmental institutions. The study identifies four discrete periods of international desertification politics: colonial, modernist, internationalist and pluralist, and undertakes a comparison of expert advisory processes, quantification, and visual representations across the periods. On the basis of this comparison the thesis presents an alternative interpretation of policy change and identifies three processes by which science and international governance were mutually constitutive and evolved in tandem: authorization, inscription, and boundary work. Authorization is the process that determines whose knowledge counts and what methods of knowledge production are valid. Inscription describes the means by which institutional resources and priorities embed problem framings and causal narratives. Boundary work concerns efforts to organize activities, delegate responsibility, and determine rules of participation. In the desertification case, boundary work proved important in delineating realms of science and non-science, lay-expert, natural-social, and local-global. Recognition of these processes opens the way to redefining expertise and redesigning expert advisory processes in current international environmental regimes.
by Marybeth Long.
Ph.D.

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Benkhalti, Abdellah. "Mapping the Desertification Process in Southern Morocco Using Remote Sensing Data." TopSCHOLAR®, 1987. https://digitalcommons.wku.edu/theses/2149.

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Desertification is a problem occurring in arid and semiarid zones all over the world. It is a consequence of mismanagement of the land. Human activities and livestock pressure on such fragile ecosystems lead to a deterioration of the soil by increasing its salinity, lessening its moisture, and covering it with sand and dust. Aerial photographs and satellite images constitute a tool for mapping and monitoring the desertification process. Multispectral data can assist in detecting the indicators of desertification in early stages in order to plan adequate action. The improvement of the resolution of satellite images and the fact that they are available on a periodic basis make the use of these data suitable for mapping the evolution of desert patches at large scales. The green band of Landsat MSS is used in this study. Two images taken, respectively, in 1976 and 1985 and covering the province of Ouarzazate in southern Morocco are used to map the desertification process and its evolution in the region. At the scale used and given the ground resolution of the MSS (80 meters), significant changes were found between the two images. However, changes occurring at scale smaller than 80 meter square were impossible to detect by visual interpretation of this band.

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Abbasova, Tahira. "Detection and analysis of changes in desertification in the Caspian Sea Region." Thesis, Stockholms universitet, Institutionen för naturgeografi och kvartärgeologi (INK), 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-43241.

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The Caspian Region includes the Caspian Sea and five littoral states: Azerbaijan, Iran, Turkmenistan, Kazakhstan and Russian. 40% of the Caspian coastal zone is arid, 69% of this territory undergone desertification according to international reports. Among the reasons are soil erosion caused by water, wind and irrigation, the salinization of soil, intense bioresources usage, and soil pollution due to oil extraction and production. Desertification is a serious problem, at global, national and local scales. It is important to know what should be sustained or developed in order to protect land from desertification. The generalization of data over desertification processes in Caspian countries, studying the dynamics of this process in space and time could help facilitate measures to counter regional desertification. To understand Caspian Region coastal desertification phenomenon, vegetation cover satellite images for the years 1982 – 2006 were investigated to give map vegetation changes over time. The Normalized Difference Vegetation Index (NDVI) data for this study was derived from the Global Inventory Modeling and Mapping Studies (GIMMS) dataset, with the spatial resolution of 8 km. A coastal strip 160 km from the coast, divided by countries, was investigated. Theanalyses were focused on extent and severity of vegetation cover degradation, and possible causes such as landscape, land use history and culture, climatic changes and policies. The aim was to address questions related to desertification phenomenon, by focusing on Caspian Region time-series of vegetation cover data and investigation patterns of desertification in the region. In this study evidence of land degradation in the Caspian Region countries was found to occur on local scales or sub-national scales rather than across the regional as a whole. Changes in vegetation cover revealed by AVHRR NDVI appeared to be reversible in character and were dependent on the climate conditions, and anthropogenic impact in approximately equal proportions.

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Books on the topic "Desertification"

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Mainguet, Monique. Desertification. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-97253-9.

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Mainguet, Monique. Desertification. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-86184-0.

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Programme, United Nations Environment, ed. Desertification. Nairobi: United Nations Environment Programme, 1996.

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Grainger, Alan. Desertification. London: International Institute for Environment and Development, 1986.

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Wilson, Geoff A., and Meri Juntti, eds. Unravelling desertification. The Netherlands: Wageningen Academic Publishers, 2005. http://dx.doi.org/10.3920/978-90-8686-559-8.

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Arnalds, Olafur, and Steve Archer, eds. Rangeland Desertification. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9602-2.

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Abdalla, Mubarak Abdelrahman. Combating desertification. Khartoum: UNESCO Chair of desertification, University of Khartoum, 2007.

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Arnalds, Ólafur, and Archer Steve, eds. Rangeland desertification. Dordrecht: Kluwer Academic Publishers, 2000.

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Ad Hoc Consultative Meeting on the Assesment of Desertification (1990 Nairobi, Kenya). Desertification revisited. Edited by Odingo Richard S, United Nations Environment Programme, and Desertification Control Programme Activity Centre. [Nairobi?]: UNEP, 1990.

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Mustafa, Mukhtar Ahmed. Desertification processes. [Khartoum]: UNESCO Chair Desertification, University of Khartoum, 2007.

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Book chapters on the topic "Desertification"

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Lancaster, Nicholas. "Desertification." In Encyclopedia of Natural Hazards, 155–58. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-1-4020-4399-4_87.

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Bondyrev, Igor V., Zurab V. Davitashvili, and Vijay P. Singh. "Desertification." In World Regional Geography Book Series, 133–38. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-05413-1_12.

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Safriel, Uriel N. "Desertification." In Terrestrial Ecosystems and Biodiversity, 267–79. Second edition. | Boca Raton: CRC Press, [2020] | Revised edition of: Encyclopedia of natural resources. [2014].: CRC Press, 2020. http://dx.doi.org/10.1201/9780429445651-34.

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Castrofino, Antonio. "Desertification." In Encyclopedia of Sustainable Management, 1133–40. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-25984-5_1084.

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Kar, Amal. "Desertification." In Exploring Natural Hazards, 159–206. Boca Raton, FL : CRC Press, 2018.: Chapman and Hall/CRC, 2018. http://dx.doi.org/10.1201/9781315166858-7.

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Castrofino, Antonio. "Desertification." In Encyclopedia of Sustainable Management, 1–8. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-02006-4_1084-1.

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Juntti, Meri. "Desertification." In Routledge Handbook of Global Environmental Politics, 579–92. 2nd ed. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003008873-48.

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Usha, K. B. "Desertification." In The Palgrave Encyclopedia of Global Security Studies, 1–8. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-74336-3_392-1.

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Pontius, Jennifer, and Alan McIntosh. "Desertification." In Springer Textbooks in Earth Sciences, Geography and Environment, 5–16. Cham: Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-48762-0_2.

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Usha, K. B. "Desertification." In The Palgrave Encyclopedia of Global Security Studies, 292–99. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-319-74319-6_392.

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Conference papers on the topic "Desertification"

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LAMBIN, ERIC F., HELMUT GEIST, JAMES F. REYNOLDS, and D. MARK STAFFORD-SMITH. "INTEGRATED APPROACHES TO DESERTIFICATION." In International Seminar on Nuclear War and Planetary Emergencies 34th Session. WORLD SCIENTIFIC, 2006. http://dx.doi.org/10.1142/9789812773890_0030.

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Khantadze, Archil. "THEORETICAL MODEL OF DESERTIFICATION PROCESS." In 14th SGEM GeoConference on WATER RESOURCES. FOREST, MARINE AND OCEAN ECOSYSTEMS. Stef92 Technology, 2014. http://dx.doi.org/10.5593/sgem2014/b32/s13.038.

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WANG, TAO. "SANDY DESERTIFICATION IN NORTH CHINA." In Proceedings of the International Seminar on Nuclear War and Planetary Emergencies — 27th Session. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812705150_0041.

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OLSSON, LENNART. "DESERTIFICATION IN THE SAHEL REVISITED." In International Seminar on Nuclear War and Planetary Emergencies 34th Session. WORLD SCIENTIFIC, 2006. http://dx.doi.org/10.1142/9789812773890_0028.

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Zhu Hongxia, Li Yingxue, and Qu Xuebing. "The factors of Ewenki's desertification." In 2010 2nd International Conference on Information Science and Engineering (ICISE). IEEE, 2010. http://dx.doi.org/10.1109/icise.2010.5691218.

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Wu, Ankang, Jiequan Ye, Wanting Xiao, Wenxiang Tan, Jiaxing Hou, Ying Wang, and Ningxia Yin. "Design of desertification afforestation robot." In Third International Symposium on Computer Applications and Information Systems (ISCAIS 2024), edited by Wenlong Li and Hongzhi Wang. SPIE, 2024. http://dx.doi.org/10.1117/12.3034984.

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Xu, Xia, and Heping Tao. "Tibetan Desertification Analysis Based on RS." In 2011 Fourth International Symposium on Knowledge Acquisition and Modeling (KAM). IEEE, 2011. http://dx.doi.org/10.1109/kam.2011.110.

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Mukhabbatov, Kh. "ABOUT THE CONSEQUENSES OF DESERTIFICATION OF MOUNTAINOUS REGIONS OF TAJIKISTAN." In Land Degradation and Desertification: Problems of Sustainable Land Management and Adaptation. LLC MAKS Press, 2020. http://dx.doi.org/10.29003/m1677.978-5-317-06490-7/65-68.

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The risk of desertification in the agricultural regions leads to search an affective ways and measures directed for prevention of further soil degradation. According to conducted research works, almost in all mountainous parts of the republic denudations and erosions are spread, which are the main components of soil desertification of slopes.

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Vizitiu, Olga. "SOIL WATER CONSERVATION � A MEASURE AGAINST DESERTIFICATION." In 14th SGEM GeoConference on WATER RESOURCES. FOREST, MARINE AND OCEAN ECOSYSTEMS. Stef92 Technology, 2014. http://dx.doi.org/10.5593/sgem2014/b32/s13.034.

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WARREN, ANDREW. "MINUTES OF DESERTIFICATION PERMANENT MONITORING PANEL, ERICE." In Proceedings of the International Seminar on Nuclear War and Planetary Emergencies — 27th Session. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812705150_0058.

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Reports on the topic "Desertification"

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Menuhin, Jonathan. Innovation Ecosystem Management Methodology. Edited by Marcello Basani, Alejandro Minatta, and Cecilia Maroñas. Inter-American Development Bank, March 2024. http://dx.doi.org/10.18235/0012851.

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The main challenges innovation faces in the water, sanitation, and solid waste sector in Latin America and the Caribbean can be split into three categories: governance efforts; sector innovation ecosystem (research, development, and innovation), and water, sanitation, and solid waste utilities. In this line, it is key to acquire knowledge of international experiences to enrich the analysis and thematic discussion on the issue. The III (III) is an NGO that was established in 2011 to promote the development and implementation of innovation addressing global challenges such as transportation, climate change, health, agriculture, aquaculture, and desertification. To this end, The III established innovation ecosystems that connect relevant players with the fields they wish to promote, and created innovation opportunities, always acting objectively and impartially. Over the years, as the III gained experience, it formed a methodology that can be adjusted to and implemented in other sectors and fields to enhance their potential and address existing obstructions. Such methodology can be adopted by NGOs, countries, and regions according to the barriers their ecosystem experiences. Hence, a strategy that one ecosystem chooses may be different from the strategy that suits another. Yet, while the innovation clusters and ecosystems may vary, a common, organizing operational outline can be found in all. The methodology includes tools that were designed to match the development of innovation ecosystems facing new challenges and opportunities. This document opens with a presentation of the positive potential of forming and operating innovation ecosystems and the global trends that make them even more important (section I). The five fields of operation that promote innovation ecosystems are thus presented, each followed by practical examples of relevant tools: (1) market education; (2) social capital creation; (3) access to knowledge; (4) open innovation facilitation; and (5) internationalization in section, alongside practical tools to develop each layer, and the motivation for choosing each, which can assist in selecting from the extensive toolbox (Section II). Finally, some practical tips to start with the right foot are described (Section III).

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Hartmann, Lisa, Jonas Hansohm, Leticia Vellozo, Barron J. Orr, Olga Andreeva, and Yvonne Walz. The contribution of land and water management approaches to Sustainable Land Management and achieving Land Degradation Neutrality. United Nations University - Institute for Environment and Human Security (UNU-EHS), March 2024. http://dx.doi.org/10.53324/xpjj6498.

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Land and water management approaches that address environmental and social challenges, such as land degradation, food insecurity, water scarcity, health, climate change and the decline in biodiversity, have been gaining importance in recent years. Several of these approaches are well known, while others have been only recently developed. These approaches have different names, specific objectives and principles and may employ different methods and technologies. At their core, however, all have the potential to address land degradation and desertification, to mitigate drought and to deliver many other environmental, economic and/or social co-benefits. The well-known concepts of land degradation neutrality (LDN) and sustainable land management (SLM) offer benchmarks against which land and water management approaches can be assessed. Understanding how well aligned these approaches are with SLM and LDN can help different communities that solve similar problems to work together to remedy global environmental challenges. To explore this opportunity more systematically, the Parties of the UNCCD requested an assessment of approaches that may contribute to the sustainable management of land and water resources and to the achievement of LDN (UNCCD Decision 19/COP.15/23/Add.1). Accordingly, this report assesses the alignment of seven selected land and water management approaches with SLM and LDN: agroecology, climate-smart agriculture, conservation agriculture, forest landscape restoration, integrated agriculture, regenerative agriculture and rewilding. The alignment assessment is structured along the SLM and LDN pillars of ecosystem health, food security, and human-wellbeing, each comprised by several criteria, as well as selected cross-cutting socioeconomic criteria that span all pillars. The results indicate that each of the approaches contributes to SLM and the achievement of LDN in different ways and to varying degrees, with none of the approaches embracing principles or practices that directly conflict with the criteria of SLM and LDN. A higher degree of alignment was identified for the ecosystem health and food security pillars, while most gaps in alignment concern criteria of the human well-being pillar along with certain cross-cutting criteria. The results of the assessment led to the identification of entry points for addressing gaps in alignment via supplementary activities that directly target the gaps during project planning and implementation, as well as through adhering to principles and established guidelines. Importantly, conclusions about the degree of alignment or about gaps in alignment of an approach with SLM and LDN criteria are conceptually indicative, but may change in actual practice depending on where and how projects are implemented. Notwithstanding, clarifying the approaches’ contribution to SLM and the achievement of LDN can help overcome the lack of formal intergovernmental recognition of the approaches, prevent misinterpretation, and ensure their strategic inclusion in broader efforts to remedy land degradation.

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Fait, Aaron, Grant Cramer, and Avichai Perl. Towards improved grape nutrition and defense: The regulation of stilbene metabolism under drought. United States Department of Agriculture, May 2014. http://dx.doi.org/10.32747/2014.7594398.bard.

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The goals of the present research proposal were to elucidate the physiological and molecular basis of the regulation of stilbene metabolism in grape, against the background of (i) grape metabolic network behavior in response to drought and of (ii) varietal diversity. The specific objectives included the study of the physiology of the response of different grape cultivars to continuous WD; the characterization of the differences and commonalities of gene network topology associated with WD in berry skin across varieties; the study of the metabolic response of developing berries to continuous WD with specific attention to the stilbene compounds; the integration analysis of the omics data generated; the study of isolated drought-associated stress factors on the regulation of stilbene biosynthesis in plantaand in vitro. Background to the topic Grape quality has a complex relationship with water input. Regulated water deficit (WD) is known to improve wine grapes by reducing the vine growth (without affecting fruit yield) and boosting sugar content (Keller et al. 2008). On the other hand, irregular rainfall during the summer can lead to drought-associated damage of fruit developmental process and alter fruit metabolism (Downey et al., 2006; Tarara et al., 2008; Chalmers et al., 792). In areas undergoing desertification, WD is associated with high temperatures. This WD/high temperature synergism can limit the areas of grape cultivation and can damage yields and fruit quality. Grapes and wine are the major source of stilbenes in human nutrition, and multiple stilbene-derived compounds, including isomers, polymers and glycosylated forms, have also been characterized in grapes (Jeandet et al., 2002; Halls and Yu, 2008). Heterologous expression of stilbenesynthase (STS) in a variety of plants has led to an enhanced resistance to pathogens, but in others the association has not been proven (Kobayashi et al., 2000; Soleas et al., 1995). Tomato transgenic plants harboring a grape STS had increased levels of resveratrol, ascorbate, and glutathione at the expense of the anthocyanin pathways (Giovinazzo et al. 2005), further emphasizing the intermingled relation among secondary metabolic pathways. Stilbenes are are induced in green and fleshy parts of the berries by biotic and abiotic elicitors (Chong et al., 2009). As is the case for other classes of secondary metabolites, the biosynthesis of stilbenes is not very well understood, but it is known to be under tight spatial and temporal control, which limits the availability of these compounds from plant sources. Only very few studies have attempted to analyze the effects of different environmental components on stilbene accumulation (Jeandet et al., 1995; Martinez-Ortega et al., 2000). Targeted analyses have generally shown higher levels of resveratrol in the grape skin (induced), in seeded varieties, in varieties of wine grapes, and in dark-skinned varieties (Gatto et al., 2008; summarized by Bavaresco et al., 2009). Yet, the effect of the grape variety and the rootstock on stilbene metabolism has not yet been thoroughly investigated (Bavaresco et al., 2009). The study identified a link between vine hydraulic behavior and physiology of stress with the leaf metabolism, which the PIs believe can eventually lead to the modifications identified in the developing berries that interested the polyphenol metabolism and its regulation during development and under stress. Implications are discussed below.

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Walz, Yvonne, Florence Nick, Oscar Higuera Roa, Udo Nehren, and Zita Sebesvari. Coherence and Alignment among Sustainable Land Management, Ecosystem-based Adaptation, Ecosystem-based Disaster Risk Reduction and Nature-based Solutions. United Nations University - Institute for Environment and Human Security, November 2021. http://dx.doi.org/10.53324/mwgp9896.

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Approaches integrating environmental management practices have been gaining importance in recent years. Sustainable Land Management (SLM), Ecosystem-based Adaptation (EbA), Ecosystem-based disaster Risk Reduction (Eco-DRR) and Nature-based Solutions (NbS) are widely applied approaches that tackle certain drivers of challenges such as food insecurity, water scarcity, decline in biodiversity and threats to livelihoods, while also considering both human well-being and ecosystem functions and services. Better understanding the similarities, differences and relationships between these approaches helps to improve efficiency in implementation and leverage synergies. By shedding more light on where these approaches align, investments in land-based solutions in response to different types of environmental challenges can be more effectively designed to achieve multiple targets. In response to the United Nations Convention to Combat Desertification (UNCCD) decision 19/COP.14 paragraph 4, the main objective of this report is to understand and elaborate upon the characteristics of SLM, EbA, Eco-DRR and NbS. The report begins with an overview of the historical backgrounds and origins of SLM, EbA, Eco-DRR and NbS. Despite differences in their specific goals and targeted benefits, all approaches aim for the support of biodiversity, land-based ecosystems and ecosystem services and functions, and employ measures to conserve, restore and sustainably use land to support ecosystem services and functions, including SLM technologies. Furthermore, irrespective of their different goals, the projects developed under any approach can generate comparable co-benefits, especially due to their support of biodiversity. The capacity for all these approaches to deliver multiple co-benefits means that projects of each approach can directly contribute to implementing the specific goals of the other approaches as well. Thus, multiple global and national targets, frameworks, strategies and conventions which call for the implementation of one or more of these approaches, can benefit from this report by avoiding duplication and reducing the overall investments necessary to achieve the set targets and goals. This is critical for achieving the ambitious Agenda 2030, including voluntary land degradation neutrality (LDN) targets and climate action under the Paris Agreement. It will also be the case for the post-2020 global biodiversity framework currently under development. The added value that will come from optimizing the links among these approaches extends from national policymakers to the practitioners of SLM, EbA and Eco-DRR projects, which all share the ultimate goal of sustainable development. To capture the coherence and alignment among these approaches, their similarities and differences have been summarized in a conceptual framework. The framework has been designed to help practitioners understand the specific goals of each approach, and to link these to the relevant global and national targets, frameworks, strategies and conventions, which can support monitoring and evaluation as well as reporting processes. The synergies among these approaches are further illustrated based on three case studies in order to demonstrate opportunities for leveraging multiple co-benefits and targets at implementation level irrespective of the different objectives under each. The results of this assessment demonstrate that activities under one approach can be beneficial to achieve the specific goals of other approaches with little additional effort. It is essential for policymakers, project developers and practitioners to recognize that. This is key to the achievement of sustainable development.

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Bourekba, Moussa. Climate Change and Violent Extremism in North Africa. The Barcelona Centre for International Affairs, October 2021. http://dx.doi.org/10.55317/casc014.

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As climate change intensifies in many parts of the world, more and more policymakers are concerned with its effects on human security and violence. From Lake Chad to the Philippines, including Afghanistan and Syria, some violent extremist (VE) groups such as Boko Haram and the Islamic State exploit crises and conflicts resulting from environmental stress to recruit more followers, expand their influence and even gain territorial control. In such cases, climate change may be described as a “risk multiplier” that exacerbates a number of conflict drivers. Against this backdrop, this case study looks at the relationship between climate change and violent extremism in North Africa, and more specifically the Maghreb countries Algeria, Morocco and Tunisia, which are all affected by climate change and violent extremism. There are three justifications for this thematic and geographical focus. Firstly, these countries are affected by climate change in multiple ways: water scarcity, temperature variations and desertification are only a few examples of the numerous cross- border impacts of climate change in this region. Secondly, these three countries have been and remain affected by the activity of violent extremist groups such as Al Qaeda in the Islamic Maghreb (AQIM), the Islamic State organisation (IS) and their respective affiliated groups. Algeria endured a civil war from 1991 to 2002 in which Islamist groups opposed the government, while Morocco and Tunisia have been the targets of multiple terrorist attacks by jihadist individuals and organisations. Thirdly, the connection between climate change and violent extremism has received much less attention in the literature than other climate-related security risks. Although empirical research has not evidenced a direct relationship between climate change and violent extremism, there is a need to examine the ways they may feed each other or least intersect in the context of North African countries. Hence, this study concentrates on the ways violent extremism can reinforce vulnerability to the effects of climate change and on the potential effects of climate change on vulnerability to violent extremism. While most of the existing research on the interplay between climate change and violent extremism concentrates on terrorist organisations (Asaka, 2021; Nett and Rüttinger, 2016; Renard, 2008), this case study focuses on the conditions, drivers and patterns that can lead individuals to join such groups in North Africa. In other words, it looks at the way climate change can exacerbate a series of factors that are believed to lead to violent radicalisation – “a personal process in which individuals adopt extreme political, social, and/or religious ideals and aspirations, and where the attainment of particular goals justifies the use of indiscriminate violence” (Wilner and Dubouloz, 2010: 38). This approach is needed not only to anticipate how climate change could possibly affect violent extremism in the medium and long run but also to determine whether and how the policy responses to both phenomena should intersect in the near future. Does climate change affect the patterns of violent extremism in North Africa? If so, how do these phenomena interact in this region? To answer these questions, the case study paper first gives an overview of the threat posed by violent extremism in the countries of study and examines the drivers and factors that are believed to lead to violent extremism in North Africa. Secondly, it discusses how these drivers could be affected by the effects of climate change on resources, livelihoods, mobility and other factors. Finally, an attempt is made to understand the possible interactions between climate change and violent extremism in the future and the implications for policymaking.

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