Efforts to meet the needs of a growing global population while ensuring ample resources for future generations are at the heart of sustainable development. The defining challenges of the 21st-century involve a complex set of interconnected social, economic, and environmental factors. Innovation in education and research will be essential in helping society address these challenges. To do so requires individuals working collaboratively across science, technology, and engineering as well as wi...
Intoduction Rivers represent as one of the key aspect of the urban spaces 1,2 as they ones served as the foundation for defining the human settlements, yet the urbanisation has degraded their ecosystem and aesthetics, often to the level that they no longer serve to the society from which the human settlements developed 3. From historical time cities have sprung up along the rivers due to availability of water, yet urbanization had adversely affected the urban rivers by the increase in the i...
Introduction Water and soil qualities are the two main factors in agriculture activities that play a significant role in agronomy growth and yield.1 Studies on ecology and agronomy are focused on the water and soil as they are significant in maintaining human health and ecosystem.2 Without access to quality water and soil, it is impossible to make sustainable agriculture and life.3 Contamination arising from agricultural activities results in water and soil pollution. 4 Increased food deman...
评价水和土壤质量在西部盖茨s'在4个地点采集了咖啡种植园66个水分和224个土壤样本,估算了20个水分参数和16个土壤样本参数。主成分分析应用于水和土壤实验室分析所获得的一套化学数据。研究地点为奇卡马加卢鲁镇50平方公里处的阿拉比卡咖啡种植园。主成分分析表明,水和so的相互关系
Dear Readers I hope you are safe and doing well during COVID-19 pandemic. In spite of challenges, the authors have very enthusiastically contributed highly relevant papers as included in this issue of Current World Environment. I thank all the contributors for their sincere efforts made to enable its timely publication. In this issue, we have papers on environmental pollution, pollution remediation, water purification, COVID-19 impacts, post COVID-19 scenario of environmental education, mon...
Introduction World health organization declared an outbreak of pandemic due to SARS-COV-2 virus on 11th March 2020 and named the contagious diseases as COVID-19 due to thirteen-fold increases in the number of cases in China, with 114 countries affected and 4291 deaths1. "2019 Novel Coronavirus" or COVID-19 is not a new virus that causing the pandemic situation, earlier the same group of Corona viruses (CoV) known as Severe Acute Respiratory Syndrome (SARS) in 2003 and the ...
Introduction The impact of Covid-19 is unprecedented and global, unlike the earlier crises which disrupted education in individual countries or regions. According to the United Nations Educational, Scientific and Cultural Organization (UNESCO), more than 90 per cent of the world’s students or 1.57 billion learners across 190 countries have been affected by the closures from pre-primary to higher education levels.1,2 As a result, the students are temporarily forced to ‘sc...
Introduction Water is a prime resource, its effective use and management are considered very important for the future demands of the increasing population. The quality and quantity of water is of much value specifically in the rural areas. The quality of water is characterized by various physico-chemical parameters influenced by many natural and anthropogenic factors like weathering, sources of water, type of pollution, seasonal fluctuations, etc. causing a diverse change. A tremendous chan...
本文研究了地下水水质的季节变化(季风前和季风后);amp;后季风),重点是锡尔布尔-卡加兹纳格尔地区的造纸工业废水。利用surfer软件对季风前后采集的24个地点的样本进行空间分布,可以洞察重要参数,如pH、EC、TDS、BOD、COD、DO、Ca+、Mg2+、Na+、F、Cl-、NO3、-SO42-和TH显著升高,超过规定的可接受和允许水平
Introduction Algae belong to the kingdom of Protista and the size varies from the microscopic to macroscopic. Algae are diverse inlife forms andarefound almost everywhere on the earth and it play a key role in the balancing of the ecosystem. Algaearethe primary producers in aquatic ecosystem and have prime role in the food web. They have an important role in maintaining the equilibrium between living organisms and abiotic factors.1 Phytoplankton plays a key role in aquatic environment and g...
藻类是生物体,大小从微观到几百英尺,再到巨大的海藻。本研究聚焦于印度喀拉拉邦Achankovil河Pandalam地区的藻类多样性。萨巴里马拉的朝圣者将阿尚科维尔河的水用于各种卫生目的,在那里将废物倾倒在河中可能造成水污染和相关的生态问题。在季风季节和后季风季节的清晨采集水样,然后增加su
的强度Introduction Lakes are very useful aquatic resources. Lake water can be used for various purposes such as agriculture, aquaculture, livestock rearing and for various domestic use also. Review of literature reveals that several workers have carried out the work related to the physicochemical parameters of lakes in relation to various aspects in India and abroad. Water Quality of Pariyej lake in Gujarat was found poor and not safe for human consumption due to the low Water Quality Index.1 Pol...
Introduction Environmental degradation is caused because of urbanization, industrialization, and high population growth. Due to the high pollution rates and their effects on various environs, many developed countries decided to modify environmental policies and decrease pollution rates and their effects.1 “The direct discharge of water from any industrial or domestic source is called Wastewater”.2 Various environmental difficulties, which related to pollution are create...
由于人口的高速增长、城市化和工业化,水体中的金属元素急剧增加。高密度、高原子量的金属是不可降解的,它们存在于各种环境中,有可能进入食物链或食物链网。由于重金属的毒性,重金属污染已经成为世界上最危险的污染物。因此,减少或消除水污染是至关重要的。Utili < / p >
Introduction The World Health Organization (WHO) country office has been informed about the pneumonia cases of unknown etiology detected in Wuhan City, Hubei Province of China on 31st December 20191. Unexpectedly, it spread to different regions of China as well as other countries across the world, despite China’s considerable efforts to restrain the infection within Hubei2. Later, the epidemic was recognized as novel coronavirus of 2019 or SARS-CoV-2 resulting in the disease COVID...
2019年12月31日,中国湖北省武汉市报告一种新型病毒,随后确认为SARS-COV-2 (COVID-19)。由于该病毒具有高度的人对人的传染性,它已在很短的时间内蔓延到全世界。自2020年3月24日印度东北部出现首例确诊病例以来,截至2020年6月11日,累计确诊病例达4633例。在这项工作中,我们尝试使用Analytic
来划定印度东北部COVID-19的风险区域Introduction To keep all living things alive on the earth, the amount of water in the human body always has to be kept balanced and adequatewhich is 55% to 78% in range.1 Sitting men and women under normal conditions needed 2.9 and 2.2 litres of water every day for enough hydration.2 Similarly, the separate advice has also been made for the stage of child, pregnancy, and lactation. Women and children at high temperatures may require up to 4.5 litres of water every day.3 World Health Organiz...
Introduction Climate change is emerging as one of the most serious challenges humanity has ever facedin this century1-5. Changes of climate factors such as increase in temperature, in rainfall pattern or rise of atmospheric carbon dioxide are closely linked to agricultural sector which is highly prone to weather and climatic conditions6-9. Hence, agriculture is deemed to be one of the economic activities that would be most influenced by climate change10. Therefore,adaptation initiatives ...
Introduction Random waves generated on the ocean surface play important role in local and global climate changes through various atmosphere-ocean interactions. Prediction of wind-wave parameter along the coasts during extreme conditions is of paramount importance. The concept of significant wave1 is introduced to describe wind-waves quantitatively in terms of the average wave height and the average wave period. Considering a wave spectrum, 33% of the waves which are maximum are averaged. Th...
风浪参数如显著波高(SWH)对深海和海洋活动和所有居住在海岸附近的人的生活有相当大的影响。在极端条件下,预测这样的参数具有巨大的实用价值。本文探讨了孟加拉湾(BB)季风影响下的气候模态El Niño-Southern Oscillation或ENSO与swhi参数之间的遥相关特征。在两个单独的实验中
>Introduction Air pollution affects each one of us irrespective of gender, age income status and geographical location. Cardiovascular and respiratory disease fuels death from lung cancer1, ischemic stroke2, asthma3 causing erosion of quality of life. Air pollutants move deep into our respiratory system and gets absorbed into our blood circulation impairing our brain, heart and lungs.As per WHO’s newsletter4 9 out of 10 people breath air loaded with high pollutant level.“...
Introduction The flora and fauna of mangroves are pretty dynamic in nature and constitute evergreen type of varied life forms. Mangroves of Krishna delta are dominated by partial submerged selerophytic species which are taxonomically unrelated and consists of a group of salt tolerant species that occur in intertidal estuarine region, sheltered coast line and creeks. Mangroves from nesting grounds for turtles, helps in soil formation by trapping debris. The mangroves of Godavari delta are...
红树林在全球范围内分为东部和西部两类,其中40%分布在亚洲沿岸。最大的红树林分布在印度尼西亚、巴西、印度和孟加拉国。奥德姆1971年在他的研究中提到红树林作为幼年种群,形成最有价值的生物量。在安得拉邦,红树林集中在克里希纳和戈达瓦里三角洲,这增加了一个健康的生态系统。在监测自然和变化方面的广泛研究
Introduction Fluctuations in the occurrence of superfluous weather and climate phenomena can have an unfortunate effect on the local weather situation and are responsible for an unreasonably large stint of climate-related risk.1 The fluctuations are primarily expressed in terms of changes in the environment, economy, water resources, agricultural activities, industrial production, and human lives. Rainfall is considered as a leading meteorological variable that has a direct relationship wit...
Introduction Water plays a crucial role in the creation of everything we produce. While it is renewable, there is only a finite amount of it, and there are no substitutes. The competition for this finite and vulnerable resource is continuously expanding, and so is the demand for it. Today the potential water scarcity, mainly population-driven, is the concern of everyone due to increasing water demands and their consequent effect on our food and energy production. Climate change can alter an...
虽然水是可再生的,但只有有限数量的水可用。快速的城市化、工业发展和粮食需求的增长造成了许多国家的淡水短缺。有限的地表水可用性及其在时间和空间上的不均匀分布增加了旁遮普省对地下水的依赖。其灌溉发展的特点是过度开采GW,以满足作物用水需求,确保国家和;rsquo;s自我关系
Introduction The primary component of the food chain, i.e., plants invest an enormous amount of solar energy to support all life forms on earth. Every living creature is dependent on plants for their survival, either directly or indirectly. The perfection of natural processes is evident from the biogeochemical life cycles that occur sustainably. In order to balance the exploitation of resources obtained from nature and maintain continuity in life, it is necessary that we recycle the element...
Introduction Inappropriate agroecosystem management and frequent droughts have made the drylands increasingly susceptible and prone to rapid degradation.1 Drought is an extreme hydrological event relates to not only rainfall amount but also its intensity, duration, frequency as well as distribution. The parameters like temperature, evaporation, wind speed, relative humidity, etc. also play important role in drought occurrence. Drought can be categorized based on its impact in four basic ap...
干旱是一种自然灾害,在严重程度、持续时间、范围和影响方面都具有挑战性。本研究的目的是利用标准化降水指数(SPI)评估印度古吉拉特邦的气象干旱,并评估其与花生和棉花产量的相关性。ti
分别为月(6 - 8月)、3个月(6 - 8月和7 - 9月)和6个月(6 - 11月)Introduction Mangroves are tropical plants which grow along the tropical coastlines of the world. They are found growing along shallow sheltered coasts. Mangroves are responsible for several economic as well as ecological services1. Mangroves are the most productive and biologically important ecosystems of the world, as they offer ecological balance, goods and offerings to humans; performs an essential position in nature with the aid of using nurturing ecological, safety and social servi...
本研究旨在确定红树林土壤样品理化特征的周期性变化。在季风、前季风和后季风3个季节中,在昆达普拉红树区4个不同的地方采集了土壤样品。土壤分析涉及各种变量,如全氮、全磷、全钾、pH值和电导率。土壤pH值为3.84 ~ 6.66。电导率为0.02
Introduction Tannery effluents are rampant as the most noteworthy pollutants among every industrial waste generating vast amounts of Chromium. For example, in India alone, around 2000–3000 tons of Cr+6 escapes into the water environment every year from tanneries. The permissible Chromium suggested is 2 mg/l, whereas it is extending in the range of 2000 and 5000 mg/l in the wastewaters [1]. The elevated concentrations of Chromium may cause many toxic, mutagenic and carcinogenic ...
Introduction Of the myriad environmental factors influencing distribution and growth of woody plants, water is of paramount importance and is usually the most limiting throughout the world. This situation exists even though global supplies of water are immense. However, the interaction of air circulation patterns, topography, temperature and edaphic factor result in uneven distribution and availability of moisture. Drought is amongst the most important climatic events which can severely imp...
Introduction Mercury is an environmental pollutant which produces health hazard (Marx, 2002; Ratcliffe et al., 1996). Its application is found in agriculture as fungicide, in medicine as topical antiseptic, disinfectant as well as amalgam fillings in dentistry (ATSDR, 1999). Patients with Minamata disease (methylmercury poisoning) in Japan showed incidence of diabetes mellitus (DM) (Takeuchi and Eto, 1997; Uchino et al., 1995). The study of Shigenaga (1976) showed that repeated treatment o...
糖尿病(DM)是一种由于胰岛素分泌和/或胰岛素作用缺陷而引起的高血糖状态。已经鉴定出铅、镍、镉、砷和汞等有毒金属通过环境污染和食物链在T2D(2型糖尿病)患者的各种生物样本中积累。本研究将阐明氯化汞(II)在大鼠胰岛和肝组织中的毒性作用,从而导致功能障碍和变性
Introduction TCs are the rotating atmospheric vortices which develop over the tropical oceanic environments. They are one of the most dangerous climatic phenomena on the earth which cause an enormous amount of loss of lives and property every year by producing high-velocity winds, oceanic surges, and a huge amount of rainfall. Generally, they have a diameter of about 500 to 1000 km extending up to the tropopause. About 15% of the world population are living at risk from tropical cyclones1. ...
北印度洋(NIO)地区热带气旋(TC)成因表现出显著的时空变化。与季风前(3 - 5月)和季风后(10 - 12月)相比,TC的成因在季风期(6 - 9月)明显受到抑制,特别是在强气旋风暴(SCS)的频率上。与阿拉伯海(AS)
相比,孟加拉湾(BoB)具有较高的TC频率,但强度较低的特征Introduction The leather tanning industry holds a prominent place in the Indian economy, providing job to 4.42 million people, mostly of lower socio-economic status. Women workers occupy 30% in this sector, among the states Tamil Nadu, the southern part of India holds the major leather production centers. The state of Tamil Nadu is accountable for 60-70% of leather production in India.1Tannery industries are the most toxic in the world owing to intensive chemical usage.The tanning industrie...
Introduction Heavy metal contamination of water resources has become a serious concern throughout the world. Heavy metals (HMs) may pose a threat to the environment because of their highly toxic and persistent nature.1 Effluents from household and industrial units are directly discharged into sewerage or drainage system thus, contaminating surface and groundwater. This mixture of domestic and industrial effluents containing HMs is highly complex in nature 2 and reaches sewage treatm...
Introduction Groundwater, a precious dynamic renewable natural resource of earth, is essential for the sustenance of the human life and plays an important role in economic and social progress of a region. During last 4-5 decades ever increasing demands and climate change impacts not only affected availability of this resource in terms of quality and quantity1,2 but also led to variability in space and time.2 Salinity and its intrusion in the fresh water aquifers is the most common groundwat...
Introduction Riverine fishery plays an important role in supporting livelihoods for millions than lacustrine fisheries. It is particularly important to the rural population accounting for direct and subsidiary employment.1 The riverine fishery resources in India are immense as large numbers of productive rivers are present. Geotropically the wealth of stream fishes appears to be influenced by both the abiotic and the biotic factors.2 Research on feeding behavior of freshwater fis...
肠道分析是了解鱼类摄食模式的工具,也是渔业管理的一个重要方面。它也为理解水生食物网中营养相互作用以及调查最常食用的猎物或确定不同食物类型对鱼类营养的相对重要性提供了基础。在本研究中,对采自Tungabhadra上游灌溉通道的加拉、戈壁、Notopterus和罗非鱼的肠道内容物进行了分析
Introduction The year is 2020. A year that will be etched in the annals of modern history for a long period of time. Caught in its own cobweb of self-destruction and apathy, the whole world was thrown upside down, not by any dictator or war but the terror caused by the microscopic, invisible, non-living enemy, the novel coronavirus, codenamed COVID-19 by the World Health Organization. In the blink of an eye, the world changed. The world economy is collapsing and our work-life balance is distu...