Precision Agriculture to Ensure Sustainable Land Use for the Future

Author(s):  
Zia Ur Rahman Farooqi ◽  
Muhammad Ashar Ayub ◽  
Muhammad Nadeem ◽  
Muhammad Shabaan ◽  
Zahoor Ahmad ◽  
...  

Global food security is coupled with the preservation and safe use of arable land resources. Land use competition in terms of commercial land use and urbanization has imparted enormous pressure on soil resources. The arable land of the world is already shrinking due to land degradation and desertification while our efforts to ensure commercial land availability is making the current scenario even worse. Soil degradation has put millions of acres of land as devoid of sustainable use over the past few decades and research shows that situation is going to be worse day by day. Precision agriculture can not only ensure the optimal use of available land but also can increase the restoration potential of global agriculture sectors. Integrated nutrient and pest management along with zero tillage, organic farming, and vertical plantation can be visualized as insurance of land and water conservation for the future. This chapter is an effort to contribute comprehensive information regarding the role of precision farming in the restoration and optimal use of global land resources.

Author(s):  
Zinovii Pankiv

The structure of soils in Carpathian region of Ukraine, which is involved for agricultural land use, including for arable land, has been analyzed. The basic steps to increase the area of arable land have been described. Integrated approach with using spatial, legal, environmental, and economic performance has been proposed for definition of the efficiency of agricultural land use. The appellation “soil use” for characteristic the type using of agricultural land resources has been proposed. Key words: productive soils, land use, the Carpathian region of Ukraine, soil use


2021 ◽  
Vol 13 (18) ◽  
pp. 10431
Author(s):  
Honglei Jiang ◽  
Xia Xu ◽  
Lingfei Wang ◽  
Tong Zhang

Studies on land use structural optimization can support the sustainability of land resources. The Taipusi Banner lies in the arid and semiarid area of northern China, with rapid economic development and a vulnerable ecological condition. Taking the Taipusi Banner as a research case, we adopted a land use map and statistical data, and employed the ecosystem process model to establish five scenarios, including an economically optimal scenario, an ecologically optimal scenario, a comprehensively optimal scenario, a status quo, and a projected scenario. Based on multi-objective linear programming, the land use demand was optimized; then, the CLUE-S model and adaptability evaluation were adopted to establish spatial patterns. The ecological and economic benefits were then analyzed and policy suggestions are provided. The main results include the following: (1) The optimization outputs of various scenarios show that under optimization, cropland and forestland increased by 9.13% and 18.9%, respectively, and grassland decreased by 9.81%. (2) The land use optimization shows that comprehensive optimization aimed at achieving comprehensive benefits, ecological benefits, and economic benefits increased these benefits by 3.89%, 2.1%, and 6.2%, respectively. Compared with other scenarios, focusing on the comprehensive benefits of land use can result in the greatest increase in benefits to improve sustainability land resources. Land use optimization must consider not only the optimization of both the quantity and configuration but also the dimensions of both ecology and the economy. Land use should be based on a land suitability evaluation and optimization of the land use spatial configuration to update ineffective land uses and should gradually adjust both the ecological and engineering measures.


Land ◽  
2020 ◽  
Vol 9 (11) ◽  
pp. 443
Author(s):  
Yi Yu ◽  
Tingbao Xu ◽  
Tao Wang

Rapid urbanisation in China has led to massive outmigration in rural regions, which has changed the regional labour force structure and can have various profound impacts as a result. This research used a case study in Southwest China to investigate how regional land use patterns have been changed in the context of rural outmigration and assessed the resulting dynamics on local ecological environment. The key findings include: (1) The local land conversion process was mainly characterised by the conversion of farmland (−18.3%) to residential area (+268.3%) and woodland (+55.6%) during 2000–2018; (2) about 83.7% of area showed a statistically significant increase in the normalised difference vegetation index (NDVI), which was not due to human interference factors (e.g., afforestation). Correlation analyses showed that depopulation (R = −0.514, p < 0.01) and local mild temperature (R = 0.505, p < 0.01) could be the main contributors. Only 2.5% of the area had decreased NDVI and this was directly caused by human activities (e.g., urban area expansion). These results implied that vegetation improvement can occur in the context of depopulation and farmland reduction, which did not significantly threaten the local agricultural sector. It then could be a good choice to allow those high-slope and biophysically poor farmlands to undergo forest succession rather than cultivation. Farmers in Southwest China should make a full use of the existing low-slope arable land to curb the declining trend of local farmland amount, in order to meet the future challenges brought by urbanisation. Enhanced agricultural infrastructure, mechanised farming and guide from local government can help achieve this goal. This study provided new insights and more realistic scenarios for rural development in Southwest China. The research findings are expected to provide a better understanding to enable sustainable land use management in Southwest China.


2013 ◽  
Vol 718-720 ◽  
pp. 327-332
Author(s):  
Dao Xin Liu ◽  
Lu Zhao

Sustainable land use plays a vital role in the process of regional development. To pursuit the sustainable use of land resources will be the effective approach to address the conflictions among farmland conservation, social development and environment protection. This paper reviewed the relevant research and studies on the field of sustainable land use including its various definitions, the sustainability evaluation and optimization of land resources, got some conclusions about the prospects in the study on sustainable land use and finally addressed the conceptual model for evaluating and optimizing sustainable land use.


Author(s):  
J. S. Wu ◽  
Y. P. Li ◽  
J. Sun ◽  
P. P. Gao ◽  
G. H. Huang ◽  
...  

Abstract A multiple scenario-based ensemble prediction (MSEP) method is developed for exploring the impacts of climate and land-use changes on runoff in the Naryn River Basin. MSEP incorporates multiple global climate models, Cellular Automata–Markov and Soil and Water Assessment Tool (SWAT) within a general framework. MSEP can simultaneously analyze the effects of climate and land-use changes on runoff, as well as provide multiple climate and land-use scenarios to reflect the associated uncertainties in runoff simulation and prediction. Totally 96 scenarios are considered to analyze the trend and range of future runoff. Ensemble prediction results reveal that (i) climate change plays a leading role in runoff variation; (ii) compared to the baseline values, peak flow would increase 36.6% and low flow would reduce 36.8% by the 2080s, which would result in flooding and drought risks in the future and (iii) every additional hectare of arable land would increase the water deficit by an average of 10.9 × 103 m3, implying that the arable land should be carefully expanded in the future. Results suggest that, to mitigate the impact of climate change, the rational control of arable land and the active promotion of irrigation efficiency are beneficial for water resources management and ecological environmental recovery.


2011 ◽  
Vol 356-360 ◽  
pp. 3042-3046 ◽  
Author(s):  
Yang Wang ◽  
Chun Yuan ◽  
Mei Chen Fu ◽  
Jian Jun Zhang

Under the influence of new land use planning, the condition of man-land harmony is received more and more attention, for the purpose of reaching the harmonization of social, economic and ecological benefits, then realizing sustainable land use. Therefore, an effective way to optimize land space utilization and to improve the overall efficiency is necessary. This paper focused on integrated zoning study of land use taking Pu county as a case. Firstly, the study built an index system; then used principal component analysis and cluster analysis method. The results showed three integrated land use areas were formed according to functional characteristics in leading industries, which can not only provide a reference for land-use zoning of the study area, but also ensure rational and efficient use of the regional land resources, ultimately promoting coordinated regional development.


This article focuses on the allocation of land resources to meet the socio-economic needs, diversification of land relations, the need for full and effective use of land resources. Diversification of land resources requires improvement of land allocation and redistribution. In improving the methods of land resource diversification, it is necessary to abandon old-fashioned methods. The growing number of people every year makes it necessary to prepare for the future. Regional development is primarily planned and prepared for the future. These processes should have high accuracy in predicting processes. It is crucial to ensure that all land categories are used efficiently, ensuring diversification of the lands, in a rapidly changing, diverse manner. Also important is the issue of socioeconomic protection of the population, creation of new jobs and the privatization of land use rights for the creation of comfortable life. Scientific research work is aimed at regulating land relations in the context of land restraint, identifying existing problems in meeting the needs of the society and the economy, drawing up a general scheme of land use in the district to predict the full and effective use of land, distribution of land resources between sectors and social spheres, distribution issues


2020 ◽  
Vol 12 (15) ◽  
pp. 6076
Author(s):  
Dao Riao ◽  
Xiaomeng Zhu ◽  
Zhijun Tong ◽  
Jiquan Zhang ◽  
Aoyang Wang

Land use/cover change (LUCC) and ecosystem service functions are current hot topics in global research on environmental change. A comprehensive analysis and understanding of the land use changes and ecosystem services, and the equilibrium state of the interaction between the natural environment and the social economy is crucial for the sustainable utilization of land resources. We used remote sensing image to research the LUCC, ecosystem service value (ESV), and ecological economic harmony (EEH) in eight main urban areas of Harbin in China from 1990 to 2015. The results show that, in the past 25 years, arable land—which is a part of ecological land—is the main source of construction land for urbanization, whereas the other ecological land is the main source of conversion to arable land. There is no significant change in the value ratio of ESV, however, it is also inclined to the southeast of the study area in spaces like the barycenter of LUCC. The EEH degree has risen from the potential crisis area to the medium coordination degree, and then dropped to the low coordination degree. This shows that although there has been limited change of LUCC, ESV, and EEH in eight main urban areas of Harbin in 25 years, there is a contradiction between the allocation of ecological land and non-ecological land.


2019 ◽  
Vol 11 (13) ◽  
pp. 3627 ◽  
Author(s):  
Honglei Jiang ◽  
Xia Xu ◽  
Mengxi Guan ◽  
Lingfei Wang ◽  
Yongmei Huang ◽  
...  

Land use/land cover changes (LULCC) have been affected by ecological processes as well as socioeconomic and human activities, resulting in several environmental problems. The study of the human–environment system combined with land use/land cover dynamics has received considerable attention in recent decades. We aimed to provide an integrated model that couples land use, socioeconomic influences, and ecosystem processes to explore the future dynamics of land use under two scenarios in China. Under Scenario A, the yield of grain continues to increase, and under Scenario B, the yield of grain remains constant. This study created a LULCC model by integrating a simple global socioeconomic model, a Terrestrial ecosystem simulator (TESim), and a land use allocation model. The results were analyzed by comparing spatiotemporal differences under predicted land use conditions in the two alternative scenarios. The simulation results showed patterns that varied between the two scenarios. In Scenario A, grassland will expand in the future and a large reduction in cropland will be observed. In Scenario B, the augmented expansion of cropland and a drastic shrinkage of forest area will be the main land use conversion features. Scenario A is more promising because more land is preserved for ecological restoration and urbanization, which is in line with China’s Grain for Green Program. Economic development should be based on ecological protection. The results are expected to add insight to sustainable land use development and regional natural resource management in China.


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