scholarly journals Analysis and Prediction of Land Resources’ Carrying Capacity in 31 Provinces of China from 2008 to 2016

2021 ◽  
Vol 13 (23) ◽  
pp. 13383
Author(s):  
Chuqiao Han ◽  
Binbin Lu ◽  
Jianghua Zheng
Keyword(s):  
High Pressure ◽  
Carrying Capacity ◽  
Low Pressure ◽  
Land Resource ◽  
Land Resources ◽  
Single Factor ◽  
Capacity Evaluation ◽  
The Future ◽  
Capacity Index ◽  
Comprehensive Carrying Capacity

The rapid development of urbanization, population growth, and unreasonable use of land resources have made the contradiction between human beings and land increasingly prominent, and the carrying capacity of land resources has become an important factor affecting the sustainable development of a city or even a country. Based on the carrying capacity of agricultural land, construction land, and ecological land in 31 provinces of China, this paper analyzed the spatiotemporal characteristics of the carrying capacity of land resources in 31 provinces of China from 2008 to 2016 by using single-factor carrying capacity evaluation and comprehensive carrying capacity evaluation methods. The evaluation results were divided into six levels (No pressure, Lower pressure, Low pressure, Medium pressure, High pressure, Higher pressure), and the ArcGIS10.2 software was used for visualization, and the carrying capacity prediction model was constructed to predict the development trend of the comprehensive carrying capacity of land resources in 2020 and 2025. The results showed that China’s land carrying capacity is extremely unbalanced. Whether from the evaluation results of single-factor carrying capacity or comprehensive carrying capacity, we showed the characteristics of high pressure in the east and low pressure in the west, and that the regional land resources have a deteriorating trend. Through the prediction of the future land resource carrying capacity index, it was found that the comprehensive carrying capacity index of land resources in 31 provinces of China will still show an upward trend in the future.

scholarly journals Study on Relative Carrying Capacity of Land Resources and Its Zoning in 31 Provinces of China

2021 ◽  
Vol 13 (3) ◽  
pp. 1459
Author(s):  
Wei Zhou ◽  
Ayman Elshkaki ◽  
Shuai Zhong ◽  
Lei Shen
Keyword(s):  
Sustainable Development ◽  
Carrying Capacity ◽  
Coastal Region ◽  
Land Resources ◽  
Parameter Setting ◽  
Single Factor ◽  
Important Indicator ◽  
The Sustainable Development ◽  
Land Carrying Capacity ◽  
Human And Nature

Land carrying capacity is an important indicator to quantitatively assess and judge the extents of sustainable economic developing and coexistent harmonizing between human and nature. The significance of land carrying capacity has been highlighted recently by the Sustainable Development Goals (SDGs) of the United Nations, which set clear requirements for arable, construction, and ecological lands. Theories and models of land carrying capacity, however, are suffering from the interference of artificial parameter setting and poor applicability. This paper attempts to overcome these limitations and propose a single factor assessment of the carrying capacity of cultivated land, construction land, and ecological land in terms of the relative carrying capacity from the perspective of a single factor assessment. Through mutual comparison, we found that the deviation caused by simulated parameter setting has been eliminated, and the relative status of each province and/or region in China has been obtained, which could provide a reference for the management and utilization of land resources. We argue that China can achieve basic self-sufficiency in both space capacity and food production without placing pressure on the global sustainable development. The results also indicate that carrying capacity state of the advanced development areas such as the eastern coastal region is relatively poor, while the carrying capacity state of the western region is relatively good.

scholarly journals POTENTIAL ANIMAL FEED RESOURCES BASED ON FOOD CROP WASTE SUPPORTS DEVELOPMENT OF BEEF CATTLE IN WEST SUMATERA, INDONESIA

2021 ◽  
Vol 3 (2) ◽  
pp. 35-40
Author(s):  
Rahmi Wahyuni ◽  
Rizma Aldillah
Keyword(s):  
Beef Cattle ◽  
Carrying Capacity ◽  
Animal Feed ◽  
Food Plant ◽  
Food Crop ◽  
Plant Waste ◽  
The Future ◽  
West Sumatra ◽  
Capacity Index ◽  
Crop Waste

The increase in the need for animal-based food consumption creates opportunities in the development of cattle farming in the future. But the problems in the field are a decrease in livestock productivity such as a decrease in livestock population and a decrease in livestock body weight, this is due to the lack of availability of sustainable animal feed. The solution offered is to use food crop waste as an alternative feed for livestock, so it is necessary to analyze the carrying capacity of food crop waste in an area. The purpose of this research is to analyze the potential resources of beef cattle feed based on food plant waste in West Sumatra Province and to analyze the nutritional content of food plant waste. The research was conducted in West Sumatra Province in January 2021. The method used was literature study and secondary data analysis. The data required consists of: (1) food crop production data, (2) beef cattle population data in West Sumatra Province. Data were analyzed by analyzing the carrying capacity of food plant waste. The results showed the availability of feed in West Sumatra Province 728,195.32 tonnes BKC / year, while the current total feed requirement is only 410,159.32 tonnes BKC / year. This shows the large potential for feed that has not been utilized, and this means that there is a large opportunity for Prov. West Sumatra in the future development of ruminants. The carrying capacity index of food plant waste (IDD) is 2.37, which means that it has a safe status where food plant waste is able to help support the needs of animal feed in West Sumatra Province. To increase the nutritional value of food plant waste, it can be overcome by giving a touch of waste processing technology innovations such as fermentation, silage, or ammonia. The results of this study are important as recommendations for the government regarding the sources of information on areas that have the potential to develop livestock business, which can be seen from the status of the area’s carrying capacity index or the potential availability of abundant animal feed.

scholarly journals Dynamic Changes Analysis of Land Resource Balance in North Maluku Province, Indonesia

2020 ◽  
Vol 37 (2) ◽  
Author(s):  
Elya Pratiwi Isti Faroh ◽  
Fatih Cinderaswari Puspaningrani ◽  
Gema Reinadova ◽  
Muhammad Rais Akbar ◽  
Novanna Dwi Septyo Anggraeni ◽  
...  
Keyword(s):  
Land Use ◽  
Carrying Capacity ◽  
Paddy Fields ◽  
Population Increase ◽  
Land Resource ◽  
Land Resources ◽  
Dynamic Changes ◽  
Land Carrying Capacity ◽  
Paddy Land ◽  
Water Nutrients

Land resources are part of nature related to the availability of water, nutrients, and food that are dynamic and play an important role in the lives of living creatures, including humans. From time to time, land use experiences changes in response to human activities that benefit their lives. This research was conducted to determine trends in land use change in North Maluku Province, Indonesia, as well as to find out the land resource balance and land carrying capacity in the province. The methods comprised a simple descriptive and quantitative analysis along with spatial analysis using GIS. The results showed that land use in North Maluku Province for paddy fields was higher than that for non-paddy land use. However, the increase in non-paddy land use was greater every year compared with the increase in paddy land use. The land resource balance in North Maluku Province in 2010–2018 also showed a decrease in non-agricultural protected forest, by 150,895.79 ha, as well as an increase in 4,286 ha of irrigated paddy fields. Meanwhile, the land carrying capacity during this same period was found to be declining at a rate of 6% per year, based on the population increase each year within a permanent land area.

scholarly journals Methods of Forecasting and Management of Land Fund Diversification in Local Areas

2019 ◽  
Vol 8 (3S) ◽  
pp. 403-411 ◽  
Keyword(s):  
Land Use ◽  
General Scheme ◽  
Research Work ◽  
Land Resource ◽  
Land Resources ◽  
Existing Problems ◽  
Scientific Research Work ◽  
The Future ◽  
Land Relations ◽  
Effective Use

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

scholarly journals A study on the comprehensive carrying capacity and spatial optimization under the new development concept - an empirical study of Shandong province

2020 ◽  
Vol 199 ◽  
pp. 00005
Author(s):  
Lili Rong ◽  
Kanglei Bi
Keyword(s):  
Carrying Capacity ◽  
Comprehensive Evaluation ◽  
Evaluation Model ◽  
Spatial Optimization ◽  
Entropy Method ◽  
Shandong Province ◽  
Land Resource ◽  
Regional Coordination ◽  
Spatial Differences ◽  
Comprehensive Carrying Capacity

Scientific evaluation of the comprehensive carrying capacity of land is the condition for regional coordination and high-quality economic development. Applied entropy method and expert marking to determine weight, and adopted multi-objective comprehensive evaluation model to evaluate the comprehensive carrying capacity of land resources from 2008 to 2018 in Shandong province. The results show that the comprehensive carrying capacity level is located in the lower and intermediate critical level, which has obvious spatial differences, and carrying capacities of social economic, land resource, water resource and ecological environmental are not consistent. On this basis, according to obstacle characteristics of land comprehensive carrying capacity, puts forward the proposal for space optimization pattern.

Fouling Is the Beginning: Upcycling Biopolymer-Fouled Substrates for Fabricating High-Permeance Thin-Film Composite Polyamide Membranes

2020 ◽  
Author(s):  
Ruobin Dai ◽  
Hongyi Han ◽  
Tianlin Wang ◽  
Jiayi Li ◽  
Chuyang Y. Tang ◽  
...  
Keyword(s):  
Thin Film ◽  
High Pressure ◽  
End Of Life ◽  
Water Purification ◽  
Low Pressure ◽  
Polymeric Membranes ◽  
Membrane Recycling ◽  
Film Composite ◽  
Thin Film Composite ◽  
First Time

Commercial polymeric membranes are generally recognized to have low sustainability as membranes need to be replaced and abandoned after reaching the end of their life. At present, only techniques for downcycling end-of-life high-pressure membranes are available. For the first time, this study paves the way for upcycling fouled/end-of-life low-pressure membranes to fabricate new high-pressure membranes for water purification, forming a closed eco-loop of membrane recycling with significantly improved sustainability.

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