Deserts and Desertification [Working Title]最新文献

Desertification and Its Control along the Qinghai-Tibet Railway 青藏铁路沿线的沙漠化及其治理

Deserts and Desertification [Working Title] Pub Date : 2021-12-24 DOI: 10.5772/intechopen.101701

Yuguo Liu, Jiufu Luo, Jinxing Zhou, M. Cui

{"title":"Desertification and Its Control along the Qinghai-Tibet Railway","authors":"Yuguo Liu, Jiufu Luo, Jinxing Zhou, M. Cui","doi":"10.5772/intechopen.101701","DOIUrl":"https://doi.org/10.5772/intechopen.101701","url":null,"abstract":"The Qinghai-Tibet Railway is a magnificent project in the twenty first century. However, the problem of land desertification has arisen during the operation of the railway. Many sections of the railway roadbed are buried by sand. The ecological safety along the railway and the safe operation of the railway have attracted worldwide attention. This chapter will focus on the current situation of desertification along the Qinghai-Tibet Railway, such as key desertification sections and the temporal and spatial characteristics of the occurrence of desertification. At the same time, it introduces the characteristics of the dynamic conditions of railway desertification and the source of sand material. It is divided into two parts: biological measures and engineering measures to introduce desertification control along the railway. The biological measures focus on the selection of Lolium perenne, Festuca sinensi, Elymus breviaristatus, Elymus nutans and Poa crymophila, and other alpine native sand-fixing plant materials. The engineering measures will introduce the railway desertification comprehensive prevention and control technology system that combines solidification, resistance, and transportation.","PeriodicalId":202800,"journal":{"name":"Deserts and Desertification [Working Title]","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133113515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Combating Desertification through Enhancement of Woody Floral Diversity in the Drylands of Kenya: Analysis, Milestones, and Strategies 通过提高肯尼亚旱地木本植物多样性防治荒漠化:分析、里程碑和策略

Deserts and Desertification [Working Title] Pub Date : 2021-11-11 DOI: 10.5772/intechopen.100399

Joseph Hitimana, Edward K. Mengich, Teresiah N. Kuria, P. Kimani

{"title":"Combating Desertification through Enhancement of Woody Floral Diversity in the Drylands of Kenya: Analysis, Milestones, and Strategies","authors":"Joseph Hitimana, Edward K. Mengich, Teresiah N. Kuria, P. Kimani","doi":"10.5772/intechopen.100399","DOIUrl":"https://doi.org/10.5772/intechopen.100399","url":null,"abstract":"Desertification remains one of the most challenging phenomena in the drylands of Kenya, where it affects about 80% of the country. This is because of persistent degradation of these areas by climatic variations, human activities, and overgrazing by livestock and wildlife. In these areas, inhabitants suffer from widespread acute poverty and other adverse effects of drought. In order to effectively and efficiently combat desertification and reduce the impacts of further degradation, the Government of Kenya and partners are committed to developing and implementing methods, approaches, strategies, and mechanisms that would slow down or reverse this phenomenon. This chapter covers an in-depth review of advances made so far in the area of woody resources restoration and sustainable management in the drylands of Kenya through biodiversity assessments, conservation, rehabilitation, afforestation, and reafforestation initiatives and research. Achievements, challenges, and opportunities encountered are highlighted for sustainable development and wise utilization of dryland woody and allied resources.","PeriodicalId":202800,"journal":{"name":"Deserts and Desertification [Working Title]","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116221580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Jojoba - The Gold of Desert 霍霍巴-沙漠中的黄金

Deserts and Desertification [Working Title] Pub Date : 2021-10-19 DOI: 10.5772/intechopen.99872

R. Bala

引用次数: 1

Remote Sensing Based Quantification of Forest Cover Change in Somalia for the Period 2000 to 2019 2000 - 2019年索马里森林覆盖变化的遥感量化

Deserts and Desertification [Working Title] Pub Date : 2021-10-15 DOI: 10.5772/intechopen.99365

Sylus Kipngeno Musei, Justin Muhoro Nyaga, Abdi Zeila Dubow

{"title":"Remote Sensing Based Quantification of Forest Cover Change in Somalia for the Period 2000 to 2019","authors":"Sylus Kipngeno Musei, Justin Muhoro Nyaga, Abdi Zeila Dubow","doi":"10.5772/intechopen.99365","DOIUrl":"https://doi.org/10.5772/intechopen.99365","url":null,"abstract":"Deforestation is a driver of land degradation and a major environmental problem in Somalia, and has been linked to frequent incidences of drought over the years. Monitoring of changes in forest cover is therefore critical for the country’s environment. The problem of land degradation has been worsened by the large scale charcoal production that is witnessed in the country. This study aimed at estimating forest cover change between 2000 and 2019 in Somalia using Landsat-based forest cover datasets. Google Earth Engine (GEE), a cloud based computing system was used to provide a platform for this analysis. Based on the 30% threshold recommended by International Geosphere Biosphere Program for differentiating forest from non-forest trees, approximately 23% forest cover loss was found, from 87, 294 hectares in 2000 to 67, 199 hectares in 2019. Most of the country’s forest is within the southern and central parts of the country, and significant forest cover losses occurred mainly around Mogadishu and Kismayo port throughout the study period. There is therefore a need for the Federal Ministry of Environment and environment ministries in the federal member states to design mechanisms and strategies for restoration of the degraded forests and to curb deforestation.","PeriodicalId":202800,"journal":{"name":"Deserts and Desertification [Working Title]","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130916055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Desertification in Agricultural Lands: Approaches to Mitigation 农业土地荒漠化:缓解办法

Deserts and Desertification [Working Title] Pub Date : 2021-08-17 DOI: 10.5772/intechopen.98795

M. Rastgoo, Alireza Hasanfard

{"title":"Desertification in Agricultural Lands: Approaches to Mitigation","authors":"M. Rastgoo, Alireza Hasanfard","doi":"10.5772/intechopen.98795","DOIUrl":"https://doi.org/10.5772/intechopen.98795","url":null,"abstract":"Urban expansion and industrial development destroy agricultural lands, pastures, and forests, and reduce the ecological and biological potential of lands, known as desertification. Diminished land potential due to one or a combination of processes such as erosion, destruction of water resources, destruction of vegetation, and swamping, by climate and human factors, is called desertification. Among these, human factors have a vital role in the emergence of this phenomenon. Excessive human economic activity upsets the ecological balance of arid and semi-arid regions, leading to adverse environmental changes. With the expansion of deserts in some parts of the world, food production and water resources are declining, resulting in environmental migration. Due to the limited capacity of urban areas to provide facilities and services, these migrations will cause severe socio-economic problems. In general, climatic and human factors are among the fundamental causes of desertification in the world. Preventing improper agricultural practices that lead to salinity and widespread soil degradation requires well-planned and strengthened awareness programs and development of information and care systems for areas exposed to desertification and drought, while also addressing the economic and social dimensions in these ecosystems.","PeriodicalId":202800,"journal":{"name":"Deserts and Desertification [Working Title]","volume":"121 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123067713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Water Source of Six Woody Plants in Different Habitats on Desertified Land of Ordos Plateau, Semi-Arid China 半干旱鄂尔多斯高原沙漠化土地不同生境6种木本植物的水源

Deserts and Desertification [Working Title] Pub Date : 2021-08-13 DOI: 10.5772/intechopen.99658

Yajuan Zhu

引用次数: 0

Characteristic on the Stability of Haloxylon Ammodendron Plantation in the Southern Fringe of Gurbantunggut Desert, Northwest China 古尔班通古特沙漠南缘梭梭人工林稳定性特征

Deserts and Desertification [Working Title] Pub Date : 2021-07-29 DOI: 10.5772/intechopen.99050

Qing-hong Luo, Qimin Chen, M. He, Na Li

{"title":"Characteristic on the Stability of Haloxylon Ammodendron Plantation in the Southern Fringe of Gurbantunggut Desert, Northwest China","authors":"Qing-hong Luo, Qimin Chen, M. He, Na Li","doi":"10.5772/intechopen.99050","DOIUrl":"https://doi.org/10.5772/intechopen.99050","url":null,"abstract":"Using chronosequence theory and method, the characteristics of vegetation-soil coupling and structure stability of Haloxylon ammodendron plantations in the southern fringe of Gurbantunggut Desert were analyzed. The results showed, the canopy storey of H. ammodendron plantation experienced three stages, rapid growth (the age of 7 to 20), then slow growth (the age of 20 to 28) and last decline (over the age of 28). The best natural regeneration started from 17-yr-old plantation. Vegetation-soil system coupling degree (C) and coupling coordinative degree (D) of plantations with different age were not one-to-one correspondence. The system of H. ammodendron plantations always stayed in disorder recession, vegetation and soil were prone to loss type during the process of sand-fixation. Five principal components evaluated that the first rank was 42-yr-old plantation. It was inferred that the trend of the vegetation and soil system was from senescence to harmonious development. So the trend of coordinated development between vegetation and soil would be promoted, if the artificial tending and management measures strengthened.","PeriodicalId":202800,"journal":{"name":"Deserts and Desertification [Working Title]","volume":"4052 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127551214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cultivation of Artificial Algal Crust and its Effect on Soil Improvement in Sandy Area 人工藻皮的培育及其对沙区土壤的改良效果

Deserts and Desertification [Working Title] Pub Date : 2021-07-01 DOI: 10.5772/INTECHOPEN.98716

Jinchao Feng, Wei Li, Linna Ma

引用次数: 1

Ecological Effects of Oasis Shelterbelts in Ulan Buh Desert 乌兰布和沙漠绿洲防护林的生态效应

Deserts and Desertification [Working Title] Pub Date : 2021-06-23 DOI: 10.5772/intechopen.98679

F. Luo, Zhiming Xin, Junliang Gao, Yuan Ma, Xing Li, Huaiyuan Liu

{"title":"Ecological Effects of Oasis Shelterbelts in Ulan Buh Desert","authors":"F. Luo, Zhiming Xin, Junliang Gao, Yuan Ma, Xing Li, Huaiyuan Liu","doi":"10.5772/intechopen.98679","DOIUrl":"https://doi.org/10.5772/intechopen.98679","url":null,"abstract":"In arid region, shelterbelt is the ecological barrier for oasis. Understanding its ecological effects can provide theoretical supports for its long-term management and sustainable development. Two standard meteorological stations were used to monitor climatic factors continuously for 7 years, and two 50 m dust monitoring towers were used to continuously monitor sandstorm for 10 times, which were located inside and outside oasis shelterbelts in the northeastern edge of Ulan Buh Desert. The microclimate differences were analyzed, as well as the ecological effects of oasis shelterbelts was clarified inside and outside oasis. In the present study, under the influence of a large-scale shelterbelts, air temperature, land ground temperature and evaporation respectively decreased 5.13% ~ 24.74%, 2.38% ~ 20.09% and 7.06% ~ 17.68%, whereas the relative humidity and precipitation respectively increased 6.93% ~ 25.53% and 4.30% ~ 50.15%. During the occurrence of sandstorms, the wind speed inside and outside shelterbelt showed an increasing trend with the increase in height. The relationship between wind speed and height was expressed as a power function. The wind direction was mainly W, WNW and NE, but the proportion of each direction was different inside and outside shelterbelt. When the sandstorm passed through oasis shelterbelts, the wind speed was significantly weakened, with an average reduction of 30.68%. The horizontal aeolian sediment flux decreased 414.44 g·m−2 and the aeolian deposition flux decreased 0.81 g·m−2. The results revealed that the microclimate was improved by oasis shelterbelts, especially in the growing season. Therefore, oasis shelterbelts help to maintain the sustainable development of oasis.","PeriodicalId":202800,"journal":{"name":"Deserts and Desertification [Working Title]","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116893566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluation of Soil Seed Banks in Different Aged Caragana microphylla Plantation in Desert Steppe Ecosystems 荒漠草原生态系统不同龄期小叶锦鸡儿人工林土壤种子库评价

Deserts and Desertification [Working Title] Pub Date : 2021-06-23 DOI: 10.5772/intechopen.98712

Li Guoqi, Li Shujun, Wenshan Shao, Chen Yanyun, W. Yafang

引用次数: 0