scholarly journals Exploring the Spatial Pattern and Influencing Factors of Land Carrying Capacity in Wuhan

2019 ◽  
Vol 11 (10) ◽  
pp. 2786 ◽  
Author(s):  
Nana Yang ◽  
Jiansong Li ◽  
Binbin Lu ◽  
Minghai Luo ◽  
Linze Li

Land carrying capacity is an important factor for urban sustainable development. It provides essential insights into land resource allocation and management. In this article, we propose a framework to evaluate land carrying capacity with multiple data sources from the first geographical census and socioeconomic statistics. In particular, an index, Land Resource Pressure (LRP), is proposed to evaluate the land carrying capacity, and a case study was carried out in Wuhan. The LRP of Wuhan was calculated on 250 m * 250 m grids, and showed a circularly declining pattern from central to outer areas. We collected its influencing factors in terms of nature resources, economy, transportation and urban construction, and then analyzed its causes via geographically weighted (GW) models. Firstly, pair-wise correlations between LRP and each influencing factor were explored via the GW correlation coefficients. These local estimates provide an important precursor for the following quantitative analysis via the GW regression (GWR) technique. The GWR coefficient estimates interpret the influences on LRP in a localized view. Results show that per capita gross domestic product (PerGDP) showed a higher absolute estimate among all factors, which proves that PerGDP has a relieving effect on LRP, especially in the southwestern areas. Overall, this study provides a technical framework to evaluate land carrying capacity with multi-source data sets and explore its localized influences via GW models, which could provide practical guidance for similar studies in other cities.

2010 ◽  
Vol 2010 ◽  
pp. 1-12 ◽  
Author(s):  
Stefan Loehnert

Gathered data is frequently not in a numerical form allowing immediate appliance of the quantitative mathematical-statistical methods. In this paper are some basic aspects examining how quantitative-based statistical methodology can be utilized in the analysis of qualitative data sets. The transformation of qualitative data into numeric values is considered as the entrance point to quantitative analysis. Concurrently related publications and impacts of scale transformations are discussed. Subsequently, it is shown how correlation coefficients are usable in conjunction with data aggregation constrains to construct relationship modelling matrices. For illustration, a case study is referenced at which ordinal type ordered qualitative survey answers are allocated to process defining procedures as aggregation levels. Finally options about measuring the adherence of the gathered empirical data to such kind of derived aggregation models are introduced and a statistically based reliability check approach to evaluate the reliability of the chosen model specification is outlined.


2011 ◽  
Vol 116 (D22) ◽  
pp. n/a-n/a ◽  
Author(s):  
David J. Miller ◽  
Kang Sun ◽  
Mark A. Zondlo ◽  
David Kanter ◽  
Oleg Dubovik ◽  
...  

Author(s):  
Elya Pratiwi Isti Faroh ◽  
Fatih Cinderaswari Puspaningrani ◽  
Gema Reinadova ◽  
Muhammad Rais Akbar ◽  
Novanna Dwi Septyo Anggraeni ◽  
...  

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.


2017 ◽  
Vol 9 (6) ◽  
pp. 529 ◽  
Author(s):  
Jinyeu Tsou ◽  
Yanfei Gao ◽  
Yuanzhi Zhang ◽  
Sun Genyun ◽  
Jinchang Ren ◽  
...  

2021 ◽  
Vol 10 (2) ◽  
pp. 64-73
Author(s):  
Munar Muhardian ◽  
Muhammad Rusdi ◽  
Abubakar Karim

The land requirement for Putri Betung Sub District in Gunung Leuser National Park (GLNP) area kept increasing along with the population growth. The population density in the Putri Betung Sub-district was driven by the need for cultivation and residential area along the GLNP conservation boundary. This study aims to analyze the space adequacy for Putri Betung Sub-District in the GLNP area based on the population pressure prediction for 20 years. The research method was conducted by field survey using remote sensing, interviewed the residents, and analyzed the population pressure index using the Soemarwoto formula. The Population Pressure Index (PPI) for the cultivation area was determined from 13 villages in Putri Betung Subdistrict and shows that 12 villages had a PPI 1 value (population pressure was over the land carrying capacity limits). Only one village had PPI 1 (population pressure less than the land carrying capacity. Based on data surveys obtained, the cultivation area set in the Putri Betung area was no longer sufficient for population, resulting from the expansion in the GLNP area of 4,776.97 ha. Meanwhile, predictive analysis on space adequacy for people living decently in Putri Betung Sub District for 20 upcoming years is 6117.15 ha. In conclusion, 12 out of 13 villages in the Putri Betung SubDistrict have PPI 1 value, which is inversely proportional to the land carrying capacity. The PPI values could result in other pressures on the ecology and biodiversity conservation in National Park. It is suggested that the government need to surpass the pressure by making new policy on people’s resettlement, expanding the cultivation area, or shifting people's livelihoods


2015 ◽  
Vol 32 (18) ◽  
pp. 2693-2723 ◽  
Author(s):  
William S. Parkin ◽  
Jeff Gruenewald

To date, no discussion has taken place in the social sciences as to the appropriateness of using open-source data to augment, or replace, official data sources in homicide research. The purpose of this article is to examine whether open-source data have the potential to be used as a valid and reliable data source in testing theory and studying homicide. Official and open-source homicide data were collected as a case study in a single jurisdiction over a 1-year period. The data sets were compared to determine whether open-sources could recreate the population of homicides and variable responses collected in official data. Open-source data were able to replicate the population of homicides identified in the official data. Also, for every variable measured, the open-sources captured as much, or more, of the information presented in the official data. Also, variables not available in official data, but potentially useful for testing theory, were identified in open-sources. The results of the case study show that open-source data are potentially as effective as official data in identifying individual- and situational-level characteristics, provide access to variables not found in official homicide data, and offer geographic data that can be used to link macro-level characteristics to homicide events.


2017 ◽  
Vol 4 (1) ◽  
pp. 82 ◽  
Author(s):  
Noezafri Amar

This research was aimed at describing the accuracy level of Google Translate especially in translating English text into Indonesian based on language error analysis and the use of equivalence strategy. The data were collected by taking one paragraph from Johann Gottfried Herder’s Selected Writings on Aesthetics book as the source text. Then they were translated by Google Translate (GT). The data of GT translation were analyzed by comparing them with the measurement instrument of translation equivalence level and elaborating the equivalence strategy of GT. By doing so the language errors were seen thus the accuracy level of GT translation could be described. The result of this research showed that (1) out of 13 source data only 4 or 31% are accurate translation, 7 or 54% are less accurate translation, and 2 or 15% are inaccurate translation. Therefore it is implied that its reliability for accurate level is only 31%. Half of them is less understandable and a few are not understandable. (2) If the appropriate equivalence translation strategy is sufficiently transposition and literal, GT can produce an accurate translation. (3) If the appropriate equivalence translation strategy is combined strategy between transposition and modulation or descriptive, more difficult strategies, GT just produce less accurate translation because it kept using literal and transposition strategies. (4) But if the appropriate equivalence translation strategy is only modulation, GT just produce inaccurate translation which is not understandable because it can only use transposition strategy. Even if the appropriate equivalence translation strategy is just a transposition strategy, in one case, GT failed to translate and it produced inaccurate translation because its strategy is only literal. In conclusion, especially in this case study, Google Translate can only translate English source text into Indonesian correctly if the appropriate equivalence translation strategy is just literal or transposition.AbstrakPenelitian ini bertujuan untuk mendeskripsikan tingkat keakuratan Google Translate khususnya dalam menerjemahkan teks berbahasa Inggris ke dalam bahasa Indonesia berdasarkan analisis kesalahan bahasa dan penggunaan strategi pemadanan. Data dikumpulkan dengan mengambil satu paragraf dari buku Johann Gottfried Herder yang berjudul ‘Selected Writings on Aesthetics’ sebagai teks sumber. Kemudian data tersebut diterjemahkan oleh Google Translate (GT). Data terjemahan GT itu dianalisis dengan cara membandingkannya dengan instrumen pengukur tingkat kesepadanan terjemahan dan menjelaskan strategi pemadanan yang digunakan. Dengan melakukan hal tersebut kesalahan bahasanya dapat terlihat sehingga tingkat keakuratan terjemahan GT dapat dideskripsikan. Hasil penelitian ini menunjukan bahwa (1) Dari 13 data sumber hanya 4 data atau 31% yang merupakan terjemahan akurat, 7 data atau 54% merupakan terjemahan yang kurang akurat, dan 2 data atau 15% merupakan terjemahan tidak akurat. Dengan demikian tingkat kehandalannya sampai pada tingkat akurat hanya sebesar 31% saja. Sementara sekitar setengahnya lagi kurang dapat dipahami. Sedangkan sisanya tidak bisa dipahami. (2) Apabila strategi pemadanan yang seharusnya dipakai cukup transposisi dan terjemahan literal saja ternyata GT mampu menghasilkan terjemahan yang akurat. (3) Apabila strategi yang harus dipakai adalah strategi kombinasi antara transposisi dan modulasi atau deskriptif, strategi yang lebih sulit, GT hanya mampu menghasilkan terjemahan yang kurang akurat karena tetap menggunakan strategi penerjemahan literal dan transposisi saja. (4) Tetapi apabila strategi yang seharusnya dipakai hanya strategi modulasi saja GT hanya menghasilkan terjemahan tidak akurat, yang tidak bisa dipahami karena hanya mampu memakai strategi transposisi saja. Bahkan jika seharusnya strategi yang dipakai adalah sekedar transposisi, pada satu kasus, GT ternyata gagal menerjemahkan dan menghasilkan terjemahan tidak akurat karena strategi yang dipakainya adalah penerjemahan literal. Sebagai simpulan, khususnya dalam studi kasus ini, Google Translate hanya mampu menerjemahkan teks sumber berbahasa Inggris ke dalam bahasa Indonesia secara akurat jika strategi pemadanannya yang sesuai hanya sekedar literal atau transposisi.


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