IMPACT OF HUMAN ACTIVITIES ON ENVIRONMENT
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Human activities are having widespread negative impacts on the environment. Some of the key issues mentioned include soil erosion, deforestation, water scarcity, pollution from garbage and effluents, as well as rising levels of smog, acid rain, noise pollution, and global warming. These environmental problems are affecting both plant and animal life, with examples given of reduced bird populations due to warmer oceans and migratory disruptions from climate change. Environmental degradation is also exacerbating health problems for humans. Overall, unsustainable exploitation of natural resources and pollution from industry and agriculture are degrading ecosystems.
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Climate change is disproportionately affecting the world's poorest people and countries. The effects of climate change like droughts, floods, extreme weather, and rising sea levels are damaging agriculture and reducing food security. This is negatively impacting the health, livelihoods, and lives of millions of people living in poverty who depend on agriculture but have contributed least to causing climate change. Key ways the effects of climate change hurt the poor the most include reduced agricultural productivity due to drought and water shortages, damage from floods and extreme weather, and loss of land and livelihoods in low-lying coastal areas.
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The document discusses biodiversity at three hierarchical levels - genetic, species, and ecological diversity. It provides examples of genetic diversity within different species. Species diversity depends on the number and richness of species in a region. Ecological diversity refers to diversity at the ecosystem level, like rainforests and mangroves. Tropical regions generally have higher biodiversity than temperate regions. Species diversity increases with area up to a limit, following a logarithmic relationship. The document outlines threats to biodiversity from habitat loss, overexploitation, invasive species, and co-extinctions.
Biodiversity and climate change
Climate change and biodiversity are closely linked: climate change has severe direct and indirect impacts on biodiversity and is predicted to be a dominant driver of future biodiversity loss; at the same time, the loss of biodiversity magnifies the adverse effects of climate change.
Biodiversity and conservation
The document discusses biodiversity at three hierarchical levels - genetic, species, and ecological diversity. It provides examples of genetic diversity within different species. Species diversity depends on the number and richness of species in a region. Ecological diversity includes different ecosystem types. Tropical regions generally have higher biodiversity than temperate or polar areas. Species richness increases with area up to a limit based on species-area relationships. The document outlines threats to biodiversity from habitat loss, overexploitation, invasive species, and co-extinctions.
What are the leading current causes of extinction Select any one of.pdf
What are the leading current causes of extinction? Select any one of the causes you listed and
find a specific example of an organism threatened by this cause. 100 words or more
Solution
Top causes of species extinction
Natural causes include climatic changes such as climatic heating or cooling, change in sea level
and currents, disease or epidemic, and in rare cases acid rain.
Other Human causes incude habitat fragmentation, Agriculture, Human overpopulation,
Deforestation and Hunting or poarching.
Climatic changes causes temperatures to increase or decrease drastically which inturn impacts
life of animals. Aquatic life is highly dependant on sea level, sea current and gases from volcanic
activty change the composition of ocean water making aquatic life impossible in such water
conditions. Disease/epidemic is another major cause for extinction. Due to some major diseases
there have been continuous death of certain species eventually leading to extinction.
Human causes of extinction have emerged recently which include events like deforestation,
hunting/poarching, agriculture, habitat fragmentation and overpoplation.
Habitat fragmentation is one of the leading causes of extinction, loss of habitat or animals
finding destroyed homes either due to human activities or natural clamities is causing the
survival to be difficult for animals and birds. Growing human population is another major cause
of extinction. For example, florida panther, Loggerhead sea Turtle, , Atlantic blue fin tuna,
Mississippi frog, polar bear, and Gulf sturgeon have been noted as being under serious threat due
to mass human population growth. These animals are rapidly loosing their habitat due to human
population increase which is increasing human activities and occupying free lands for human
occupancy and use of forest resourses for human lives.
Deforestation, which has reasons mainly related to money or people\'s needs have made many
species homeless. Removing trees removes most of the canopy, which blocks sun’s rays and
holds heat at night. Deforestation leads to increase in extreme temperatures causing harm to
plants and animal species..
BIODIVERSITY & ITS TYPES
This document provides an overview of biodiversity. It defines biodiversity as the variety of life on Earth, including genetic diversity within species, species diversity within biological communities, and ecosystem diversity within and across landscapes. It discusses how biodiversity has evolved over 3.5 billion years and increased rapidly during the Cambrian explosion. While species diversity in the oceans has increased logistically, diversity on land has grown exponentially. The document also outlines different types of biodiversity like taxonomic diversity, ecological diversity, and genetic diversity. It notes that most terrestrial diversity is found in tropical forests and that an estimated 8.7 million species exist on Earth. The document concludes by discussing threats to biodiversity like habitat destruction and climate change, as well as conservation
Threats to biodiversity in pakistan
The document discusses threats to biodiversity in Pakistan from population growth, deforestation, hunting, and other human activities. It notes that population growth and increasing demands are putting pressure on natural resources. More specifically, deforestation estimated at 1% annually, overgrazing, soil erosion, rampant hunting and fishing, and certain agricultural practices are threats. Hunting has deep cultural roots but has eliminated some predators. Deforestation and loss of habitat, particularly from subsistence farming and grazing, are also major threats. The Living Planet Report discusses a 60% global decline in fish, birds, mammals, amphibians and reptiles between 1970-2014 due to human activities. Biodiversity in Margalla Hills and the Ind
causes-of-species-extinction 2.pptx
Natural causes of species extinction include climatic heating and cooling, changes in sea levels, asteroids and cosmic radiation, acid rain, disease and epidemics, and the spread of invasive species. These factors usually occur at a slower rate and cause a lower extinction rate. Human causes occur at a faster rate and are mostly responsible for the current high extinction rates through climate change, deforestation and habitat loss, overexploitation, invasive species, and pollution. Human activities disrupt ecosystems and do not allow species time to adapt.
Extinction
Extinction of a particular animal or plant species occurs when there are no more individuals of that species alive anywhere in the world - the species has died out. This is a natural part of evolution. But sometimes extinctions happen at a much faster rate than usual. Natural Causes of Extinction.
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The document discusses World Wildlife Day which is celebrated annually on March 3rd. It provides information on various types of wildlife crime such as hare coursing, deer poaching, fish poaching, badger persecution, egg theft, bird of prey persecution, and illegal wildlife trade. It discusses the negative impacts of these activities such as defaunation of habitats and emergence of zoonotic diseases. Statistics on poaching of elephants and tigers in India between 2010-2012 are also presented.
Antimicrobial and phytochemical screening of the leaf extracts of Eupato...
testing the antimicrobial efficiency of leaf extract of Eupatorium perfoliatum and analyse their phytochemicals
Dna profiling
This document reports on a study that used DNA profiling to identify weed plant species around Hyderabad. DNA was isolated from leaf samples of 26 weed plants and amplified using PCR with universal matK primers. Sequences were analyzed using bioinformatics software and compared to reference sequences to establish the identity of 10 plants. The sequences will be submitted to an online database. Further studies aim to identify more plants to help document biodiversity and authenticate species, which has applications in forensics, conservation, and preventing illegal activities involving plants.
Parathyroid and thyroid glands
The parathyroid glands secrete parathyroid hormone which regulates calcium levels in the blood. It increases calcium levels by stimulating bone breakdown and calcium absorption in the intestines and kidneys. The thyroid gland produces hormones that control metabolism and is located in the neck. It can become overactive or underactive, leading to hyperthyroidism or hypothyroidism. Conditions of the thyroid include goiter, thyroiditis, Graves' disease, and thyroid cancer.
Secondary protein structure prediction
Secondary structure prediction tools analyze a protein's amino acid sequence to predict its 3D structure and function. These tools use various methods like Chou-Fasman, GOR, neural networks, and hidden Markov models to identify alpha helices and beta sheets based on characteristics like residue propensity values, sequence homology, and patterns in windows of amino acids. Accurate prediction of secondary structure is important for determining a protein's tertiary structure and biological role.
eHealth
This document provides an overview of eHealth, including telemedicine, mHealth applications, tools, impacts and challenges of eHealth. It discusses how eHealth uses information and communication technologies for health purposes. Telemedicine allows for clinical care at a distance using telecommunications. mHealth applications involve using mobile devices to collect health data and deliver information to patients and practitioners. While eHealth tools can improve access to care, privacy and data exchange standards are challenges. No nation has fully realized eHealth's vision, but ongoing work is building foundations for future health systems.
PLANT BASED MOLECULES IN CLINICAL TRAILS AND CLINICAL PRACTICES
The document reviews clinical trials of plant-derived drugs and identifies limitations. Most plant-derived drugs showed promising results, but many studies were stuck in preliminary stages due to insufficient data, methodological issues, and the low bioavailability of plant resources. Standardization of efficacy and extraction methods are lacking for most medicinal plants. Advancements in techniques like molecular modelling, genetic modifications, and product formulation are needed to address these limitations and further the development of plant-based drugs.
PHYTOCHEMICAL ANALYSIS AND ANTIBACTERIAL ACTIVITY OF LEAVES EXTRACT FROM Pong...
This document presents the results of a study analyzing the phytochemicals and antibacterial activity of extracts from the leaves of Pongamia glabra. Testing found that acetone and chloroform extracts of P. glabra exhibited antibacterial activity against both gram-positive and gram-negative bacteria, including Bacillus subtilis, Staphylococcus aureus, Klebsiella pneumoniae, and Escherichia coli. The acetone extract showed stronger antibacterial effects than the chloroform extract. Phytochemical screening identified the presence of flavonoids, alkaloids, saponins, tannins, and polyphenols in the extracts. The results support the traditional use
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Peatland Management in Indonesia, Science to Policy and Knowledge EducationGlobal Landscapes Forum (GLF)
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The popularity of functional foods among scientists and common people has been increasing day by day. Awareness and modernization make the consumer think better regarding food and nutrition. Now a day’s individual knows very well about the relation between food consumption and disease prevalence. Humans have a diversity of microbes in the gut that together form the gut microflora. Probiotics are the health-promoting live microbial cells improve host health through gut and brain connection and fighting against harmful bacteria. Bifidobacterium and Lactobacillus are the two bacterial genera which are considered to be probiotic. These good bacteria are facing challenges of viability. There are so many factors such as sensitivity to heat, pH, acidity, osmotic effect, mechanical shear, chemical components, freezing and storage time as well which affects the viability of probiotics in the dairy food matrix as well as in the gut. Multiple efforts have been done in the past and ongoing in present for these beneficial microbial population stability until their destination in the gut. One of a useful technique known as microencapsulation makes the probiotic effective in the diversified conditions and maintain these microbe’s community to the optimum level for achieving targeted benefits. Dairy products are found to be an ideal vehicle for probiotic incorporation. It has been seen that the encapsulated microbial cells show higher viability than the free cells in different processing and storage conditions as well as against bile salts in the gut. They make the food functional when incorporated, without affecting the product sensory characteristics.
原版制作(Newcastle毕业证书)纽卡斯尔大学毕业证在读证明一模一样
学校原件一模一样【微信：741003700 】《(Newcastle毕业证书)纽卡斯尔大学毕业证》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
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留信网认证的作用:
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2:同时对留学生所学专业登记给予评定
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4:这个认证书并且可以归档倒地方
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Epcon is One of the World's leading Manufacturing Companies. With over 4000 installations worldwide, EPCON has been pioneering new techniques since 1977 that have become industry standards now. Founded in 1977, Epcon has grown from a one-man operation to a global leader in developing and manufacturing innovative air pollution control technology and industrial heating equipment.
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Results of geophysics and pneumatic injection pilot tests during 2003 – 2007 yielded significant positive results for injection delivery design and contaminant mass treatment, resulting in permanent shut-down of an existing groundwater Pump & Treat system.
Accessible source areas were subsequently removed (2011) by soil excavation and treated with the placement of Emulsified Vegetable Oil EVO and zero-valent iron ZVI to accelerate treatment of impacted groundwater in overburden and weathered fractured bedrock. Post pilot test and post remediation groundwater monitoring has included analyses of CVOCs, organic fatty acids, dissolved gases and QuantArray® -Chlor to quantify key microorganisms (e.g., Dehalococcoides, Dehalobacter, etc.) and functional genes (e.g., vinyl chloride reductase, methane monooxygenase, etc.) to assess potential for reductive dechlorination and aerobic cometabolism of CVOCs.
In 2022, the first commercial application of MetaArray™ was performed at the site. MetaArray™ utilizes statistical analysis, such as principal component analysis and multivariate analysis to provide evidence that reductive dechlorination is active or even that it is slowing. This creates actionable data allowing users to save money by making important site management decisions earlier.
The results of the MetaArray™ analysis’ support vector machine (SVM) identified groundwater monitoring wells with a 80% confidence that were characterized as either Limited for Reductive Decholorination or had a High Reductive Reduction Dechlorination potential. The results of MetaArray™ will be used to further optimize the site’s post remediation monitoring program for monitored natural attenuation.
Peatlands of Latin America and the Caribbean
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Water contamination is one of the major causes of water borne diseases worldwide. In Kenya, approximately 43% of people lack access to potable water due to human contamination. River Kuywa water is currently experiencing contamination due to human activities. Its water is widely used for domestic, agricultural, industrial and recreational purposes. This study aimed at characterizing bacteria and fungi in river Kuywa water. Water samples were randomly collected from four sites of the river: site A (Matisi), site B (Ngwelo), site C (Nzoia water pump) and site D (Chalicha), during the dry season (January-March 2018) and wet season (April-July 2018) and were transported to Maseno University Microbiology and plant pathology laboratory for analysis. The characterization and identification of bacteria and fungi were carried out using standard microbiological techniques. Nine bacterial genera and three fungi were identified from Kuywa river water. Clostridium spp., Staphylococcus spp., Enterobacter spp., Streptococcus spp., E. coli, Klebsiella spp., Shigella spp., Proteus spp. and Salmonella spp. Fungi were Fusarium oxysporum, Aspergillus flavus complex and Penicillium species. Wet season recorded highest bacterial and fungal counts (6.61-7.66 and 3.83-6.75cfu/ml) respectively. The results indicated that the river Kuywa water is polluted and therefore unsafe for human consumption before treatment. It is therefore recommended that the communities to ensure that they boil water especially for drinking.
在线办理(lboro毕业证书)拉夫堡大学毕业证学历证书一模一样
学校原件一模一样【微信：741003700 】《(lboro毕业证书)拉夫堡大学毕业证学历证书》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
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Evolving Lifecycles with High Resolution Site Characterization (HRSC) and 3-D...
The incorporation of a 3DCSM and completion of HRSC provided a tool for enhanced, data-driven, decisions to support a change in remediation closure strategies. Currently, an approved pilot study has been obtained to shut-down the remediation systems (ISCO, P&T) and conduct a hydraulic study under non-pumping conditions. A separate micro-biological bench scale treatability study was competed that yielded positive results for an emerging innovative technology. As a result, a field pilot study has commenced with results expected in nine-twelve months. With the results of the hydraulic study, field pilot studies and an updated risk assessment leading site monitoring optimization cost lifecycle savings upwards of $15MM towards an alternatively evolved best available technology remediation closure strategy.
一比一原版(UMTC毕业证书)明尼苏达大学双城分校毕业证如何办理
原件一模一样【微信：6496090】【(UMTC毕业证书)明尼苏达大学双城分校毕业证成绩单学位证】【微信：6496090】（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
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◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
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◇申请留学生创业基金
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Kinetic studies on malachite green dye adsorption from aqueous solutions by A...
Kinetic studies on malachite green dye adsorption from aqueous solutions by A...Open Access Research Paper
Water polluted by dyestuffs compounds is a global threat to health and the environment; accordingly, we prepared a green novel sorbent chemical and Physical system from an algae, chitosan and chitosan nanoparticle and impregnated with algae with chitosan nanocomposite for the sorption of Malachite green dye from water. The algae with chitosan nanocomposite by a simple method and used as a recyclable and effective adsorbent for the removal of malachite green dye from aqueous solutions. Algae, chitosan, chitosan nanoparticle and algae with chitosan nanocomposite were characterized using different physicochemical methods. The functional groups and chemical compounds found in algae, chitosan, chitosan algae, chitosan nanoparticle, and chitosan nanoparticle with algae were identified using FTIR, SEM, and TGADTA/DTG techniques. The optimal adsorption conditions, different dosages, pH and Temperature the amount of algae with chitosan nanocomposite were determined. At optimized conditions and the batch equilibrium studies more than 99% of the dye was removed. The adsorption process data matched well kinetics showed that the reaction order for dye varied with pseudo-first order and pseudo-second order. Furthermore, the maximum adsorption capacity of the algae with chitosan nanocomposite toward malachite green dye reached as high as 15.5mg/g, respectively. Finally, multiple times reusing of algae with chitosan nanocomposite and removing dye from a real wastewater has made it a promising and attractive option for further practical applications.
Promoting Multilateral Cooperation for Sustainable Peatland management
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Enhanced action and stakeholder engagement for sustainable peatland management
Enhanced action and stakeholder engagement for sustainable peatland managementGlobal Landscapes Forum (GLF)
Presented by Jan Peters at GLF Peatlands 2024 - The Global Peatlands Assessment: Mapping, Policy, and ActionENVIRONMENT~ Renewable Energy Sources and their future prospects.
This presentation is for us to know that how our Environment need Attention for protection of our natural resources which are depleted day by day that's why we need to take time and shift our attention to renewable energy sources instead of non-renewable sources which are better and Eco-friendly for our environment. these renewable energy sources are so helpful for our planet and for every living organism which depends on environment.
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IMPACT OF HUMAN ACTIVITIES ON ENVIRONMENT
- 1. IMPACT OF HUMAN ACTIVITIES ON ENVIRONMENT
- 3. SOIL EROSION
- 10. WATER SCARCITY
- 19. ARISING EPIGENETIC DISORDER AMONG THE SOCIETY
- 28. STAGNANT OF EFFLUENTS IN THE AGRICULTURAL FIELDS
- 29. GARBAGE FILLS
- 30. STOP
- 52. DELHI SMOG
- 53. ACID RAIN
- 54. NOISE POLLUTION
- 59. TURTLE TUMOURS DUE TO MARINE POLLUTION
- 69. The Sooty Shearwater, the U.S. west coast bird at one time numbered 5 million, now numbers only .5 million. Warmer water has reduced upwellings in the Pacific Ocean, which bring the Shearwaters' main source of food, squid and plankton(70% decrease) to the surface
- 70. Migratory birds, while flying non-stop hundreds or even thousands of miles, depend on a relatively stable weather scenario, expecting their food resources to be in place. Birds and animals are stressed by rising temperatures in areas to which they migrate. They are now heading north and south away from equatorial regions which has become too hot
- 72. Canadian Geese. The migration of Canada geese is being affected now by climate change. In response to increasing temperatures, these geese are arriving in Hudson Bay, during the summer, several weeks earlier than their food supply allows. Their primary food is marsh plants, which grow in response to the length of days, not to changes in temperature, and sprout after the geese arrive. But the birds are hungry and cannot wait for the plants to sprout. The geese eat the plants' roots, decimating their own future food supply, while threatening this habitat used by other bird species
- 74. DUCKS According to one study, global warming could cause breeding populations of ducks in the north-central United States to decline by more than half—from 5 million birds today to between 2.1 and 2.7 million by the year 2060.
- 85. Aedes Dengue
- 91. Darker colors indicate more cell phone users
- 93. ADULTERANTS
- 99. GREEN REVOLUTION
- 106. IMPACT OF HUMAN ACTIVITIES ON FAUNA
- 107. PRAIRIEDOG
- 142. RAFFLESIA FLOWER MANY FACTORS ARE INVOLVED IN THE EXTINCTION OF RAFFLESIA FLOWER CLIMATIC CONDITION, FAILURE OF RAIN FALL ETC., MANY RUMOURS ARE CREATED BY THE SOCIETY AND THEY ARE HIGHLY CONSIDERED AS THE PARASITE IN MANY AREAS. THESE ARE THE MAJOR CAUSE OF EXTINCTION