Present Environment and Sustainable Development最新文献_第4页

The concept “soil biophysical fertility: theoretical and applied support” “土壤生物物理肥力:理论与应用支持”概念

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Present Environment and Sustainable Development Pub Date : 2022-01-01 DOI: 10.47743/pesd2022161004

G. Jigau, Boris Turchin, T. Ciolacu, Nina Placinta, Angela Stadnic

{"title":"The concept “soil biophysical fertility: theoretical and applied support”","authors":"G. Jigau, Boris Turchin, T. Ciolacu, Nina Placinta, Angela Stadnic","doi":"10.47743/pesd2022161004","DOIUrl":"https://doi.org/10.47743/pesd2022161004","url":null,"abstract":": In terms of the theory of elementary pedogenetic processes, the pedogenetic process represents the totality of the integration processes of abiotic and biotic matter in the composition of the basic soil matter, which represents the first level of integration of matter in the soil, specific to it. Its further evolution is determined by the unidirectional action of humic substances resulting from the operation of the system \"living organic matter ↔ dead organic matter\". The driving force behind the continuous processes of structural-functional organization of the soil ecosystem are the processes of humus formation and those of accumulation-sequestration and stabilization of organic carbon in the structural aggregates responsible for the functioning of the soil ecosystem materialized in ecosistemic functions, including soil fertility. maintained All processes are performed in relatively balanced biogeochemical circuits of substances. Relative stability of the main diagnostic features. One-way realization of micro-, meso- and macroprocesses of expanded reproduction of soil fertility in closed circuits of substances.","PeriodicalId":42850,"journal":{"name":"Present Environment and Sustainable Development","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70910536","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessment of degraded land in Republic of Moldova: a case study on Tigheci catchment 摩尔多瓦共和国退化土地评估:以Tigheci流域为例研究

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Present Environment and Sustainable Development Pub Date : 2022-01-01 DOI: 10.47743/pesd2022161012

Tatiana Bunduc, Iradion Jechiu, Iurie Bejan, Viorica Angheluța

{"title":"Assessment of degraded land in Republic of Moldova: a case study on Tigheci catchment","authors":"Tatiana Bunduc, Iradion Jechiu, Iurie Bejan, Viorica Angheluța","doi":"10.47743/pesd2022161012","DOIUrl":"https://doi.org/10.47743/pesd2022161012","url":null,"abstract":": This study is a complex analysis of the processes of land degradation by erosion, gullying and landslides, which are a real problem that the territory of the Republic of Moldova faces. The scientific findings from research in the Tigheci Catchment (located northwest of the Tigheci Hills) argue for the region’s huge agricultural potential, but the land degradation processes lead to a reduction in the amount of humus and nutrients in the soil, thus limiting the productivity capacity. The erosion in the soil surface, the most widespread geomorphological process in a basin, has an appreciable intensity especially on the cuesta foreheads and the average rate of soil losses estimated, according to the Mo ț oc method, is 6.3 t/ha/year. Also, characteristic is the process of deep erosion, which is justified by the inventory of a number of 272 gullies, with a predominance of slope gullies that hold over 60% of the ravaged area. The landslides are the third category of geomorphological processes that contribute to land degradation. They cover an area of 4,365.26 ha and are in most cases stabilized. Often, the landslides are caused by the evolution of torrential organisms, which lead to the initiation and development of hollows. Therefore, the degraded land is a rather serious problem that requires practical implementations with real effects in the agricultural system.","PeriodicalId":42850,"journal":{"name":"Present Environment and Sustainable Development","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70910724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Evaluation of structural aggregation processes of typical chernozem under conditions of algal biofertilizers application 施用藻类生物肥料条件下典型黑钙土结构聚集过程的评价

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Present Environment and Sustainable Development Pub Date : 2022-01-01 DOI: 10.47743/pesd2022161009

Sergiu Dobrojan, Boris Turchin, Nina Placinta, T. Ciolacu, Galina Dobrojan

{"title":"Evaluation of structural aggregation processes of typical chernozem under conditions of algal biofertilizers application","authors":"Sergiu Dobrojan, Boris Turchin, Nina Placinta, T. Ciolacu, Galina Dobrojan","doi":"10.47743/pesd2022161009","DOIUrl":"https://doi.org/10.47743/pesd2022161009","url":null,"abstract":": The management of the aggregation-structuring processes implies the intensification of the soil pedoplasm modeling processes under the direct and indirect action of the its biota. In the present research we started from the consideration of algal microflora as the nucleus of bacterial-algal cenosis responsible for the decomposition of various groups of organic substances (geno-metabolic networks). They decompose organic waste in consecutive series ensuring a closed circuit of substances and energy with development of the aggregate level of structural-functional organization of the soil organo-mineral biopedoplasm. It has been established that algalization of the typical moderately humiferous strongly overplowed chernozem through administration of algal biopreparations leads to the regeneration of the humification process and the improvement of the structural-aggregate condition of the soil. The mechanisms of this process are determined by the participation of algal biomass as a source of biological nitrogen for the humification process. Under algalization conditions, the aggregation processes proceed with the formation, mainly, of 5-1 and 3-0.5 mm aggregates and are determined by the agglutination processes with the participation of newly formed humic substances. The intensity of the aggregation-structuring processes differs depending on the species of administered cyanophyte algae and can be described with the following sequence in the sense of decreasing it: Nostoc gelatinosum > Combined lot > Cilindrospermum licheniforme > Calothrix gracilis > Nostoc linckia . The cyanophyte algae participate less in the direct aggregation processes of soil biopedoplasm. At the same time, the practiced technologies require crop rotations capable of contributing to increasing the degree of aggregate stability. In the pedofunctional aspect, the process of algalization of chernozems presupposes perspectives for sustaining the composition and diversity of the soil microbiome.","PeriodicalId":42850,"journal":{"name":"Present Environment and Sustainable Development","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70910794","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Attitudes and behaviour towards marine pollution: a social marketing approach 对海洋污染的态度和行为:一种社会营销方法

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Present Environment and Sustainable Development Pub Date : 2022-01-01 DOI: 10.47743/pesd2022162003

A. Tehçi

引用次数: 0

Demographic ageing vulnerabilities in the North-East Region of Romania 罗马尼亚东北地区的人口老龄化脆弱性

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Present Environment and Sustainable Development Pub Date : 2022-01-01 DOI: 10.47743/pesd2022162013

Raluca-Ioana Horea-Serban, Gabriel Fîrțală

引用次数: 0

Evaluation of sustainable development and travel agencies within the scope of Agenda 2030: A bibliometric analysis 《2030年议程》范围内可持续发展和旅行社的评价:文献计量学分析

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Present Environment and Sustainable Development Pub Date : 2022-01-01 DOI: 10.47743/pesd2022162006

Boran Toker, M. Kalıpçı

引用次数: 3

The role of ports in developing Danube cities: perspectives and future possibilities 港口在多瑙河城市发展中的作用:前景和未来的可能性

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Present Environment and Sustainable Development Pub Date : 2022-01-01 DOI: 10.47743/pesd2022162009

A. Popa, A. Petrisor

引用次数: 0

The favorability of orographic and edaphic factors for the main species that comprise urban forests from Brasov City 布拉索夫市城市森林主要树种的地形和地理因素的有利性

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Present Environment and Sustainable Development Pub Date : 2022-01-01 DOI: 10.47743/pesd2022161011

R. Enescu, D. Vasile, L. Dincă, S. Davidescu, I. Breabăn

{"title":"The favorability of orographic and edaphic factors for the main species that comprise urban forests from Brasov City","authors":"R. Enescu, D. Vasile, L. Dincă, S. Davidescu, I. Breabăn","doi":"10.47743/pesd2022161011","DOIUrl":"https://doi.org/10.47743/pesd2022161011","url":null,"abstract":": Urban forests, which means all trees, shrubs, lawns, and other vegetation from cities are very important spaces that are protected in order to protect and conserve biodiversity and the region’s structure. These forests have economic, social, and ecological functions. The research was realized in urban forests from Brasov city. The favorability of certain orographic and edaphic factors were determined for the selected species (by using these property values and sheets regarding the species ecological requirements (Norway spruce, silver fir, beech and sycamore). If we consider the ecological requirements of the main species that comprise the studied stands and a series of orographic (altitude) and edaphic factors (reaction, base saturation degree, edaphic volume, potential global trophicity), we were able to calculated the favorability of species based on grades. The conclusion was that Norway spruce has the highest favorability, followed by common beech. Even though silver fir has a lower favorability then Norway spruce, all plots have fir and Norway spruce in their composition. Furthermore, it can be observed that a higher favorability, as in the case of sycamore, does not necessarily determine its presence in more areas. On the contrary, sycamore appears only in a very low number of plots.","PeriodicalId":42850,"journal":{"name":"Present Environment and Sustainable Development","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70910658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

On the Noise Levels in Nursery, Primary and Secondary Schools in Jalingo, Taraba State: Are they in Conformity with the Standards? 关于塔拉巴州Jalingo幼儿园、小学和中学的噪音水平:它们是否符合标准?

IF 0.7

Present Environment and Sustainable Development Pub Date : 2022-01-01 DOI: 10.47743/pesd2022162008

Maxwell Obia Kanu, G. W. Joseph, T. V. Targema, Danladi Andenyangnde, Iliyasu Dawaki Mohammed

{"title":"On the Noise Levels in Nursery, Primary and Secondary Schools in Jalingo, Taraba State: Are they in Conformity with the Standards?","authors":"Maxwell Obia Kanu, G. W. Joseph, T. V. Targema, Danladi Andenyangnde, Iliyasu Dawaki Mohammed","doi":"10.47743/pesd2022162008","DOIUrl":"https://doi.org/10.47743/pesd2022162008","url":null,"abstract":": There are limits recommended for environmental noise and occupational noise by the World Health Organization (WHO) and the International Standardization Organization (ISO). Therefore, noise levels were assessed in four different schools in Jalingo, the capital of Taraba State using a Lutron sound level meter, model SL – 4030. The aim of the study was to compare noise levels in the schools with the limits recommended by WHO and ISO, so as to make appropriate recommendations in case of undesirable results. The ANOVA statistical tool was used to demonstrate that the noise levels differ in the classrooms and the Least Significant Difference (LSD) statistics was used to show the significance of the variation of noise levels in the classrooms as suggested by the ANOVA. The mean equivalent noise levels (Leq (dB(A)) varied considerably above WHO recommended limits in classrooms. In the classrooms across all the schools, noise levels were within satisfactory range (61 – 75 dB(A)). This range however, exceeds the recommended noise limits in classrooms (35 – 55 dB(A)). Meanwhile, the control sample locations had mean noise level within the good range (41 – 60 dB(A)). It was also observed that at the control sites, mean noise levels were within the range recommended for classrooms during lessons. Higher noise levels than the endorsed limits by the WHO in the classrooms across all the schools are justifiable by so many factors such as: proximity to busy roads, students – Teacher’s activities and perhaps some acoustical reasons. Interestingly, the control of noise pollution in these schools to meet the international recommended standards is much possible if the recommendations from this study are obeyed.","PeriodicalId":42850,"journal":{"name":"Present Environment and Sustainable Development","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70911950","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Minimum air temperatures going to extremes in Brașov city (Romania) Brașov市(罗马尼亚)最低气温极值

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Present Environment and Sustainable Development Pub Date : 2022-01-01 DOI: 10.47743/pesd2022162015

Raul-Gabriel Ilea, N. Ionac

引用次数: 0