ISSN / EISSN : 2690-5418 / 2690-4802
Published by: Ideas Spread (10.30560)
Total articles ≅ 21
Latest articles in this journal
Land Science, Volume 3; https://doi.org/10.30560/ls.v3n2p1
In order to explore a safe, effective way to use sludge as agricultural fertilizer it is necessary to effectively separate and remove the heavy metals embedded in sludge. In the study, the ozone-electric two-stage treatment was used to transform heavy metal copper in the sludge, and then the treated sludge was used for maize production and the transferring of Cu in cultivation medium and plants, and the enrichment effect of Cu in plant were investigated. According to composition of culture substance, five treatments were set in maize planting experiments: CK, Agricultural soil without addition; T1, Agricultural soil supplemented with raw sludge; T2, Agricultural soil treated with ozone sludge; T3, Agricultural soil with ozone treated and electric treated sludge; T4, Agricultural soil added with common organic fertilizer. The results showed that in different treatments, the Cu content of organs showed the order of root> stem> leaf> cob> grain. Comparing root Cu content, the lowest was in T1 treatment, which was 11.60 mg/kg, while the lowest of grain Cu content was found in CK treatment, which was 1.36 mg/kg. In the upper, middle and lower soil layers, the highest and lowest Cu content was in T4 and CK, respectively. In both middle and lower soil layers, the Cu content of T1, T2 and T3 sludge treatments had a trend of T1>T2>T3; the difference of the Cu enrichment ability between different organs is not significant in the same soil layer. From each treatment, the Cu enrichment ability of plant of CK was higher than that of other treatments. According to the ability of Cu transferring to the above-ground part of plant, treatments are ranked as CK>T3>T4>T1>T2. The transferring of Cu from soil to plant was mainly affected by fertilizer level and the transferring rate of Cu from soil to stem, leaf and root was relatively high, but it was hardly affected by sludge. In summary, after ozone-electro treatment, the application of sludge does not significantly affect the Cu content in maize, and the Cu content in each treatment does not exceed the limit value of agricultural production.
Land Science, Volume 3; https://doi.org/10.30560/ls.v3n1p1
Although Nepal Police and Armed Police Force are the key responding tools of disaster response in Nepal, their response competency does not suffice the need for effective response. Applying quantitative research methodology, this research has in-depth investigated the fundamental and technical knowledge, and preparedness activities of such police personnel. Ultimately it was discovered that their knowledge and preparedness are not adequate to meet the need. On the other hand, the practice of the usage of disaster untrained police personnel in response operations is prevalent in the country. And this tendency is not only risking the life of the disaster victims but also putting the responders’ lives at stake. Amidst such bleakness, during the investigation, the perception of the police personnel on their engagement in disaster response was found highly aspiring. Indeed this tendency will work as the force multiplier if their capacity is enhanced properly. The study has further investigated that the lethargic national investment in the disaster response capacity building process is the fundamental problem in terms of the competency building process. Heavy reliance on foreign aids and national and international non-government agencies has not only increased the dependency on capacity building process but also mired the national mechanism turning responsible authorities and institutions lethargic.
Land Science, Volume 3; https://doi.org/10.30560/ls.v3n1p22
The smart city is a prominent field of research, which is at the intersection of broader fields of economics, social, and land sciences. Four core smart city research subfields were identified, specifically defined, and classified – urbanization, city planning, and governance, land and resources management. In this paper author presented a classification of modern smart city research tools and introduced smart city, conceptual research model. Information system is critical in describing underlying principles of modern urbanization processes and modeling it is processed effectively. This scientific work aims to address the challenges any new researcher in this field encounters, such as lack of extensive overview and classification of available tools. The list of major economic aspects of the smart city system and the main services, that city provides, are introduced and explained within the scope of this article. The author presents a conceptual model of a smart city from both a general scientific viewpoint as well as in the context of information system modeling. Data is a key component of any system modeling process as well as it is an essential part of tool classification. This paper places emphasis on data classification by its application and its research subfield. A great deal of attention is paid towards system modeling of land management subsystems in the context of smart city digital service. This article can serve as a theoretical foundation for further research and practical implementation of future smart systems.
Land Science, Volume 3; https://doi.org/10.30560/ls.v3n1p15
Child stunting and land degradation have received an increasing attention from scholars and practitioners. Both of them are also measured by indicators under the Sustainable Development Goals (SDGs). However, the research on the relationship between child stunting and land degradation is insufficient, especially with the perspective of SDGs. This article uses empirical data of 23 developing countries to explore the relationship between child stunting and land degradation, with the controlling of GDP per capita of the selected countries. Path analysis is added into the traditional OLS method. The results show that land degradation has little impact on child stunting in the selected developing countries, but socioeconomic status affect child stunting significantly. A number of explanations and implications are generated. In particular, several developing countries’ strong reliance on food importation may be a reason of why land degradation does not affect child stunting. The interactions between different SDGs are also noted.
Land Science, Volume 2; https://doi.org/10.30560/ls.v2n2p45
CO2 sequestered by peatlands is accounted for and offset against national emissions. Observational and modelling studies are used to estimate emission factors that dictate the rate of CO2 emissions or removals from peatlands accounted for within the Landuse and landuse change including forestry (LULUCF) sector and often use simple Tier 1 emission factors found in the IPCC (1996) guidebook. However, the current estimates are predominately based off peatland surface fluxes measured using either chamber methods or eddy covariance techniques. These methods do not focus on sub-surface conditions while this information may prove useful in understanding efflux rates and conditions that influence them. To help assess the potential significance of subsurface dynamics in overall CO2 efflux rates from peatlands this study proposes to review the literature dealing with subsurface conditions. The review found that the production of CO2 in the sub-surface layers was often uncoupled from emissions and that on short time-scales the storage of CO2 in soil pores and dissolved in soil water may account for this. The rate of production was found to be influenced by decomposition rate, vegetation type, nutrient availability and peat depth. The review also found that the mechanism of transport of CO2 within the sub-surface was important in accounting for efflux rates. While diffusion is often assumed the most significant form of transport, the quantification and dynamics of other non-diffusive transport methods were found to also be important and further research is required to ascertain the drivers of both diffusive and non-diffusive transport.
Land Science, Volume 2; https://doi.org/10.30560/ls.v2n2p67
The study was carried out on the Southern shore of Winam Gulf, Homa Bay County, Kenya. It was aimed at establishing the relationship among changes of Lake Victoria water levels, land use patterns and food security during the COVID-19 pandemic. Empirical studies involving ground point survey was used to determine the extent of spread of the back flow and vertical rise of the lake’s waters from five pier and nine beach survey points between July 2019 to October 2020. In-depth interviews and questionnaires were also used to collect data which were analyzed using descriptive statistics and Likert’s scale. The average variations of the extent of the back flow was approximately 294m while the vertical change in the water levels along the pier points was 1.03m. This led to submergence of the adjacent land use patterns and interfered with food security in the region. Coupled with the impacts of COVID-19 pandemic, majority (209) of the respondents substituted their meals and a quarter (79) of the them reduced their number of meals per day. A strong positive perception on the responses by the Government of Kenya and County Government Homa Bay towards addressing the pandemic with the Likert’s scale summative perception index of 381 very effective, 328 effective and 363 satisfactory were realized. The study recommends: observance and execution of environmental laws governing settlement on riparian lands, proactive compliance with the warnings and advice from the meteorological department, and adoption of alternative land use patterns.
Land Science, Volume 2; https://doi.org/10.30560/ls.v2n2p34
This paper investigates the significance of cultural events for the development of tourism on the Isle of Man. Historically the Isle of Man captured tourists from areas around the Irish Sea including England, Wales, Scotland, and Northern Ireland. This was especially the case with working-class tourists from the industrial North of England, North Wales, Dublin and Belfast. These tourism markets were prominent in the late 19th, and early and mid 20th centuries. Recent tourist data shows a fall in visitor numbers to the Isle of Man which has taken effect in post war years. In order to explore this decline, and the significance of cultural events for the development of tourism in recent years, a number of research methods have been deployed involving secondary data to assess tourism development and tourism sector growth determinants. As a consequence an investigation was undertaken involving sequential parts. Part one considered trends in the 19th, 20th and early 21st centuries drawing primarily on secondary data, existing research and archival material. Part two investigated cultural events to provide findings and analysis for the tourism industry on the Island. Lastly, part three assessed the nature and importance of events according to the modern evolution of the sector. External (international) and internal (island) influences on development were considered. From the findings conclusions showing prominent issues from the trends observed have enabled consideration of the importance of cultural events for tourism development.
Land Science, Volume 2; https://doi.org/10.30560/ls.v2n2p8
This study belongs to project “Rural development by livestock extension education in Southern Punjab”. A survey was conducted in Multan and Muzaffargarh districts of Southern Punjab by using a pretested questionnaire to collect the information regarding food security and socio-economic status of cameleers in study area. It has been shown from the results that the socio-economic status of camel herders has improved a lot in last decade mainly due to the knowledge about camel and its products. Definitely camel plays an indispensable role in the food security of people of arid zone. Now the people are getting conscious about consuming the camel milk and products as in earlier time there was a taboo to use the camel products and the people did not get their taste developed. Due to increasing health reasons and by the initiatives taken by government departments the people are getting familiar with the camel products. Now the camel has shifted its place from “ship of the desert” and “beast of the burden” to a “food security animal” with great potential to produce a valuable product even in those areas of harsh climatic conditions where there seems difficult for the other domestic animals to produce. The camel herders value the ethno-veterinary practices and still use these for the treatment in camels. Mainly the camel browse on the roadsides but also stallfed with fodder by cut and carry system. The camel plays a pivotal role in the life sustainability of cameleers where they mainly depend on this specie for their livelihood. Hence; this is an integral part of pastoral ecosystem in arid, semi-arid and deserted lands.
Land Science, Volume 2; https://doi.org/10.30560/ls.v2n2p1
This paper presents the results of the analysis of the quality of basalts, their heat treatment and studies of changes in the chemical composition of basalts, which leads to a change in the external color of partially processed basalt raw materials (hereinafter referred to as semi-finished product). The results of a study of purified basalt from slime, impurities and hydroxides, changes in the chemical composition of basalt rock are presented. The prospects of heat treatment of a semi-finished product and obtaining multi-colored products from mineral raw materials is shown. It was found that the optimal firing temperature of the semi-finished product, the possible options for changing the external color and the criterion points of the thermal effect at which the basalt semi-finished product changes the external shade. These statements are of great scientific and practical interest in the fact that during the heat treatment of a semifinished product, basalt easily overheats and gradually acquires a different color, which occurs to a liquids temperature and allows the future to plan to obtain high-quality multi-colored products from basalts, for example, products for design.
Land Science, Volume 2; https://doi.org/10.30560/ls.v2n2p21
Recently the planning of green infrastructure (GI) has become a general practice around metropolis (Paris, München, Budapest, etc). A complex methodology is required that goes beyond the scope of traditional green surface systems. However, there are various policy implications in the EU, the smaller towns are lagging to apply them. The paper presents a potential evaluation method through the case study of Keszthely, HU. As Keszthely at Balaton Riviera, is a popular touristic target of CEE, the environmental planning is an essential part of sustainable development. After a literature analyses of assessment methods of GI and ecosystem services, the aspects of GI have been valued on grade scales, based on field surveys and indicators. The current status of the GI was surveyed which is a base for further development and monitoring activities. The paper introduces the methodology, which contributes to preservation of ecosystems.