Results 1 to 10 of about 284,969 (361)

Agricultural Land Fragmentation and Land Consolidation Rationality [PDF]

open access: yes, 2002
Adopted about one year after the 1989 Revolution, Land Law (Law 18/1991) represented the starting point of land reform in Romania. As a result of this law implementation, at the beginning of the year 2000 the private sector owned 84% of total agricultural land: 82% of arable land, 74% of land under vineyards, 67% of land under orchards and 87% of land ...
Rusu, Marioara, Rusu, Marioara
core   +4 more sources

Pattern and Trend of Ecosystem Service Value in the Loess Plateau of Northern Shaanxi

open access: yesLand, 2023
The ecosystem service value (ESV) is a critical metric for assessing the construction and protection of the environment. The research into the ESV pattern and the future development trend in the Loess Plateau of Northern Shaanxi is important for the ...
Yonghua Zhao   +7 more
doaj   +1 more source

The Effect of the Human Footprint and Climate Change on Landscape Ecological Risks: A Case Study of the Loess Plateau, China

open access: yesLand, 2022
The increase in ecological risks caused by human activities has become a global concern in recent years. The Landscape Ecological Risk Index based on the theory of landscape ecology is more suitable for assessing large-scale ecological risks.
Zhi Qu   +5 more
doaj   +1 more source

Evaluation of Spatiotemporal Changes in Cropland Quantity and Quality with Multi-Source Remote Sensing

open access: yesLand, 2023
Timely cropland information is crucial for ensuring food security and promoting sustainable development. Traditional field survey methods are time-consuming and costly, making it difficult to support rapid monitoring of large-scale cropland changes ...
Han Liu   +9 more
doaj   +1 more source

Surface coal mining impacts on land use change and ecological service value: a case study in Shengli coalfield, Inner Mongolia

open access: yesInternational Journal of Coal Science & Technology, 2022
Coal plays a crucial role in global economic development and remains the most common and widely distributed fossil fuel worldwide. As the world's largest developing country, China's mining and utilization of coal resources have contributed significantly ...
Lijia Zhang   +10 more
doaj   +1 more source

Influence of constructed rapid infiltration system on groundwater recharge and quality

open access: yesFrontiers in Environmental Science, 2022
Infiltration of stormwater through green surfaces is an important means of groundwater recharge. However, the increase in constructed impervious area caused by intensive urbanization has led to a reduction in rainwater infiltration over the past decade ...
Chao Guo   +8 more
doaj   +1 more source

Quantitative Analysis of Factors Influencing Spatial Distribution of Soil Erosion Based on Geo-Detector Model under Diverse Geomorphological Types

open access: yesLand, 2021
The Loess Plateau of China suffers from severe erosion, which results in a great variety of economic and ecological problems. For scientific control of soil erosion, the key questions urgently to be addressed in this paper are: (1) Which are the driving ...
Yonghua Zhao   +5 more
doaj   +1 more source

The mineralization characteristics of organic carbon and particle composition analysis in reconstructed soil with different proportions of soft rock and sand [PDF]

open access: yesPeerJ, 2019
The organic carbon mineralization process reflects the release intensity of soil CO2. Therefore, the study of organic carbon mineralization and particle composition analysis of soft rock and sand compound soil can provide technical support and a ...
Zhen Guo   +7 more
doaj   +2 more sources

Variations and controlling factors of vegetation dynamics on the Qingzang Plateau of China over the recent 20 years

open access: yesGeography and Sustainability, 2021
The impacts of climate change and human activities on vegetation dynamics have attracted wide attention, especially in sensitive and vulnerable areas such as the Qingzang Plateau of China.
Xiao Zhang   +3 more
doaj   +1 more source

The spatial distribution characteristics of typical pathogens and nitrogen and phosphorus in the sediments of Shahe Reservoir and their relationships

open access: yesScientific Reports, 2021
Using samples collected in Shahe Reservoir in the upper North Canal in China, this research analyzes the structure of a microorganism group in sediment and the absolute abundance of two typical pathogenic bacteria (Escherichia coli and Enterococcus), and
Wen Sun   +6 more
doaj   +1 more source

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