Restoration and Development of the Degraded Loess Plateau, by Mei-Jie Yan, Qiu-Yue He, Norikazu Yamanaka, Sheng Du

By Mei-Jie Yan, Qiu-Yue He, Norikazu Yamanaka, Sheng Du (auth.), Atsushi Tsunekawa, Guobin Liu, Norikazu Yamanaka, Sheng Du (eds.)

This e-book provides state of the art medical proof and technological recommendations to revive lands at the Loess Plateau of China, recognized around the globe for its severe land degradation and desertification difficulties. Supported via a quickly constructing chinese language financial system and the dissemination of powerful expertise, the Grain-for-Green venture and Western improvement motion introduced by way of the chinese language executive have led to winning ecological recovery and defense over the last 30 years. those courses have contributed not just to conservation of soil and water, but additionally to fiscal improvement. whilst, notwithstanding, those developmental interventions have introduced new demanding situations that experience no longer but been totally addressed. The ebook describes (1) case reports of good fortune and failure in perform, together with infrequent good fortune tales of fighting desertification; (2) technical matters resembling erosion keep an eye on and breeding of stress-tolerant plant species, and socioeconomic measures taken via the chinese language executive and lending guidelines with help from the realm financial institution; and (3) complete measures opposed to desertification, corresponding to water and wind erosion, salinization, and deforestation. This quantity is usually recommended for researchers and scholars above the undergraduate point in various fields together with soil technological know-how, rural engineering, social know-how and civil engineering, biology, ecology, climatology, actual and human geography, and developmental economics, between others. It additionally serves as a beneficial source for engineers, executive officers, and NPOs and NGOs concerned about afforestation, ecological recovery, struggling with desertification, catastrophe prevention, and sustainable rural development.

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Yamamoto (*) • T. jp A. Tsunekawa et al. 1007/978-4-431-54481-4_3, © Springer Japan 2014 35 36 S. Yamamoto and T. Endo dust transported by spring westerly winds, which are deposited in various regions of China, Korea, and Japan. The Loess Plateau region has a fragile environment, shortage of farmland, low grain production, natural disasters and poverty. Because of long-term artificial contributors to loessial sediments, various types of soils are distributed across the plateau, where rapid environmental changes occur.

From Zhu (1986) Fig. 19 Loess collapse caused by road scouring. -J. Yan et al. Fig. 20 Loess landslide after rainfall. 3 Micro-Landforms with Loess Specialties Because of its unique structure and texture, certain micro-landforms are found on the Loess Plateau. These include loess bridges, loess columns, formations caused by loess collapse and landslides, as well as other formations (Figs. 20). References Chen YZ, Jing K, Cai QG (1988) Modern erosion and management. (China’s) Science Press, Beijing (in Chinese) [CAS-CSTLP] Comprehensive Survey Team on Loess Plateau of Chinese Academy of Sciences (1990) Studies on division mapping for integrated management and development of the Loess Plateau region.

Because soil salinization and sodication are different processes, management methods to control them also differ. Therefore it is necessary to clearly diagnose the state and/or risk of the two types of soil degradation caused by salt. According to the present findings, subsoil texture influences the state of salt accumulation. That is, soil salinization risk is enhanced by clay-rich subsoil, whereas soil sodication risk is increased by sandy subsoil with good permeability. Subsoil texture may be a good indicator for forecasting the state of salt accumulation.

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