Results 31 to 40 of about 59,314 (194)

Decoupling Distribution of n-Alkanes in Aeolian Sand and Vegetation of the Northern Ulan Buh Desert, China: Insight into Organic Matter Preservation in Arid Regions

Plants
Fallen leaves and their decomposition directly deposit leaf wax n-alkanes into sediments, which can be used to identify local flora. These n-alkanes are important for studying past vegetation and climate, but their distribution in sediments must be known.
Shangzhe Zhou, Lei Xi, Mengchun Cui, Guipeng Cui, Pan Gao, Jinlei Zhu, Weiyuan Kong, Yufu Jia, Qi Lu   +8 more
doaj   +1 more source

Alpine peatland degradation enhances soil nitrogen losses and alters plant nitrogen uptake strategies: evidence from nitrogen isotopes

Chemical and Biological Technologies in Agriculture
Background Nitrogen plays a critical role in sustaining ecosystem functions in peatlands; however, the degradation of approximately 12% of global peatlands substantially alters nitrogen cycling.
Xiaodong Zhang, Lijuan Cui, Xin Jia, Liang Yan, Yong Li, Zhongqing Yan, Kerou Zhang, Ao Yang, Yuechuan Niu, Enze Kang, Xiaoming Kang   +10 more
doaj   +1 more source

Landscape Dynamics of the Mu Us Sandy Land Based on Multi-Source Remote Sensing Images

Land
This study meticulously investigates landscape alterations within the Mu Us Sandy Land, a critical region for desertification control in China. The research dissects the dynamic characteristics and inter-conversion of landscape elements across eleven ...
Bingqiang Fei, Huirong Ma, Jie Yin, Lingguang Zhang, Jia Li, Xiaomin Xiu, Dezheng Zhou, Yingjun Pang, Yandong Zhang, Xiaohong Jia, Bo Wu   +10 more
doaj   +1 more source

Experimenting with the design of policies on sustainable resource management : Progress report, June 4, 2004 [PDF]

, 2004
The overall objective of the DMP is to arrest land degradation in Africa's desert margins through demonstration and capacity building activities. The GEF increment to this project will enable the programme to address issues of global environmental ...
Leclerc, Grégoire
core  

Juniper from Ethiopia contains a large-scale precipitation signal [PDF]

, 2008
Most semiarid regions are facing an increasing scarcity of woody vegetation due mainly to anthropogenic deforestation aggravated by climate changes. However, there is insufficient information to reconstruct past changes in climate and to evaluate the ...
Couralet, C., Sahle, Y., Sass-Klaassen, U., Sterck, F.J.   +3 more
core   +2 more sources

Rapid habitat fragmentation and niche shifting of an estuarine dolphin driven by coastal urbanization

Global Ecology and Conservation
Estuaries are critical habitats for many marine species, but are also experiencing rapid human-induced environmental change, posing great challenges for conservation.
Yuke Zhang, Qianhui Zeng, Samuel T. Turvey, Liyuan Zhao, Liming Yong, Xixia Lu, Xianyan Wang   +6 more
doaj   +1 more source

Study on Ecological Restoration Zoning of the Ebinur Lake Basin Based on the Evaluation of Ecological Function Importance and Ecosystem Sensitivity

Land
The Ebinur Lake Basin, a key ecological security barrier for windbreak and sand control in northern Xinjiang, is crucial to the ecological safety of western China and the northern sand-prevention belt.
Jiaxiu Zou, Yiming Feng, Lei Xi, Zhao Qi, Xiaoming Cao, Lili Wang   +5 more
doaj   +1 more source

The Influence of Lime in Adobe Optimization Against Humidity [PDF]

مسکن و محیط روستا, 2018
The importance and the value of historical buildings and sites and even villages which have adobe houses causes that conservators annually schedule restoration plans and programs to protect the buildings from hazards. This is done because conservation of
kaveh Bahramzadeh, Alireza Razeghi, Najme Khatoon Miri   +2 more
doaj  

An Explanation of Design Principles of Illumination Systems in Historical Places [PDF]

صفه, 2019
Despite the more than half-a-century long history of scientific conservation and restoration of monuments in Iran, the lighting and illumination of monuments is still missing from the discipline’s curriculum, with few instances of appropriate lighting in
GholamReza Kiani Dehkiani, Marzieh Safari HassanAbadi   +1 more
doaj   +1 more source

Experimenting with the design of policies on sustainable resources management : Phase 1 final report, January 2004 - February 2005 [PDF]

, 2005
The overall objective of the DMP is to arrest land degradation in Africa's desert margins through demonstration and capacity building activities. The GEF increment to this project will enable the programme to address issues of global environmental ...
Leclerc, Grégoire
core