khoholeho ea mobu
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khoholeho ea mobu ke tloha ha mobu sebakeng se seng ho ea ho seng.O tlosoa ke lintho tse fapaneng. Hona le litholoana tsa khoholeho ea mobu hape re na letsela ea ho e thibela.
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Desertification In The Sahel
The document discusses drought and desertification in the Sahel region of Africa. Drought has plagued the Sahel for five years, causing over 100,000 human deaths and 12 million cattle deaths. Land use practices, rather than drought, are the main problem. Desertification is the process by which deserts spread into surrounding semi-arid areas. Factors like population increase, cattle grazing, deforestation, and soil erosion from wind have contributed to desertification in the Sahel region.
Sahelcasestudy
Desertification is the process by which fertile land becomes desert. It is affecting parts of Africa, especially the Sahel region. The main causes are human activities like overfarming, overgrazing, and deforestation combined with low rainfall. This degrades the soil so plants cannot grow, leaving the ground unprotected from further erosion by wind and water. As the land becomes desert, it negatively impacts people, wildlife and the economy through famine and forced migration. Efforts to stop desertification include planting trees, terracing land, and building irrigation systems.
What is desertification
Desertification is the process by which fertile land becomes desert due to drought, deforestation or inappropriate agriculture. It can be controlled by stopping deforestation, planting new trees and using irrigation. Desertification affects plants and animals by depriving them of water and food. It can be prevented by conservation efforts like reforestation and establishing protected areas.
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The document discusses drought and desertification in the Sahel region of Africa. Drought has plagued the Sahel for five years, causing over 100,000 human deaths and 12 million cattle deaths. Land use practices, rather than drought, are the main problem. Desertification is the process by which deserts spread into surrounding semi-arid areas. Factors like population increase, cattle grazing, deforestation, and soil erosion from wind have contributed to desertification in the Sahel region.
Sahelcasestudy
Desertification is the process by which fertile land becomes desert. It is affecting parts of Africa, especially the Sahel region. The main causes are human activities like overfarming, overgrazing, and deforestation combined with low rainfall. This degrades the soil so plants cannot grow, leaving the ground unprotected from further erosion by wind and water. As the land becomes desert, it negatively impacts people, wildlife and the economy through famine and forced migration. Efforts to stop desertification include planting trees, terracing land, and building irrigation systems.
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Desertification is the process by which fertile land becomes desert due to drought, deforestation or inappropriate agriculture. It can be controlled by stopping deforestation, planting new trees and using irrigation. Desertification affects plants and animals by depriving them of water and food. It can be prevented by conservation efforts like reforestation and establishing protected areas.
Food, Glorious Food!
The document discusses the environmental, economic, social, and political consequences of food production. Environmentally, increased population can lead to desertification through overcultivation, overgrazing, and depletion of groundwater stores. Desertification occurs as productive land turns to desert due to soil erosion and loss of vegetation from these practices. Monocultures from intensive farming also reduce biodiversity and rely on fertilizers and pesticides.
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The document discusses desertification in Cyprus and efforts to address it. Climate change is having a major impact on Cyprus, seen through a reduction in rainfall of about 100mm over 118 years and a temperature increase of 0.5 degrees Celsius in the last 20 years. Drought is a growing problem for Cyprus due to reduced water availability. To combat drought and desertification, Cyprus employs various strategies like building dams to store rainwater, purifying wastewater for reuse, and desalinating seawater. Dust levels are also a concern for air quality and health. Overall, the document outlines how climate change is exacerbating desertification in Cyprus and the multi-pronged approaches taken to manage the problem.
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Desertification is the expansion of dry lands due to various human and environmental factors. It is caused by a complex interaction between human activities like overgrazing, deforestation, and climate change and the natural environment. These activities degrade soils, reduce vegetation cover, and disrupt water cycles, promoting the spread of deserts. Desertification is a global problem, prevalent along the margins of arid and semi-arid lands in Africa, Asia, Australia, North America, and South America.
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2. Invasive alien trees cover 10% of South Africa's surface area, reduce water resources, and cost $50 million annually to control but efforts are insufficient. Bush encroachment reduces grazing land, biodiversity, and hydrology.
3. Deforestation is driven by agriculture, fuelwood harvesting, and changed fire regimes, and occurs mostly on communal lands, though increased tree cover through invasion and encroachment is also a major form of degradation inHammermeister origin ofsoil_2013
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MEFUTA E MERARO EA MOBU LE MESEBETSI EA OONA
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Sec 1 geog unit 3 lesson 5
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Here are three ways to conserve soil:
1. Plant cover crops or leave plant residue on top of soil to prevent erosion from wind and water. Plant roots and above-ground matter hold soil in place.
2. Practice no-till or minimum tillage farming techniques to limit soil disturbance from tilling or plowing. This preserves soil structure and prevents erosion.
3. Leave buffer strips along waterways and avoid overgrazing or over-application of fertilizers/pesticides. This helps maintain soil nutrients and protects soil from running off into water sources.
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Intr_EVS.pdf
Here are potential responses to the assignment questions:
1. There are reasonable arguments both for and against the view that human domination over nature and environmental problems started with the advent of agriculture. In favor is that agriculture allowed permanent settlements and population growth, leading to greater resource use. However, hunter-gatherer societies also impacted the environment, and some problems like climate change have more recent causes. Overall it is a complex issue with no clear answer.
2. Environmental science should focus more on the scientific and technical aspects like ecology, pollution causes and remediation. Environmental studies should provide more social context focusing on things like resource use patterns, environmental policies, economics and ethics. Studies should be more interdisciplinary and accessible to non-science students
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«Environmental Protection»
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This document discusses soil erosion, its causes, effects, and methods for prevention. It covers:
- Natural and human-caused soil erosion, with the latter including overcropping, overgrazing, and deforestation.
- Problems from erosion like loss of topsoil and declining plant productivity.
- A case study on erosion and desertification in Africa's Sahel region exacerbated by climate change.
- Conservation methods like windbreaks, contour plowing, stubble planting, terraces, and stone walls.
Science Project D D
Soil is composed of sand, silt, and clay particles of different sizes. Sand particles are the largest and have sharp edges, while silt particles are smooth and powdery. Clay particles are the smallest and become hard when dry but sticky when wet. The different particle sizes determine properties like drainage, nutrient holding capacity, and soil texture. A graph of particle content can be used to identify common soil types like sandy clay loam.
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This document discusses soil and its properties. It defines important terms related to soil like humus, weathering, and parent rock. It describes the layers of soil profile known as horizons A, B, and C. Horizon A is the topsoil with humus and nutrients. Horizon B is below with more minerals and compact texture. Horizon C has partly weathered rocks. The last layer is bedrock which cannot be dug. It discusses processes like percolation, moisture content, and absorption of water in different soils. Factors causing soil erosion like rainfall, agriculture, grazing, and winds are also mentioned.
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Desertification and drought
Desertification is the process by which productive land is turned into desert. It is caused by both climate factors like drought as well as human activities. Prolonged drought since 1968 caused trees and grass to die, leaving the topsoil exposed. This led to increased wind and water erosion of soils. Overgrazing and over-cultivation to increase food production also degraded soils. The loss of vegetation and increased erosion exacerbated desertification. As the process continued, it caused food shortages, malnutrition, disease and migration to cities among affected populations. Solutions proposed to address desertification include controlling population growth, improving farming and grazing methods, enacting legislation to restrict activities causing degradation, and implementing reforestation and water management
desertification
Desertification is the process of fertile land transforming into desert due to factors like climate change, overgrazing, deforestation, and overcultivation. It affects one third of the world's land and millions of people. It degrades soil quality, reduces vegetation and biodiversity, and causes problems like drought, famine and poor water quality. Solutions include sustainable agriculture, controlled grazing, crop rotation, land management practices, and tree planting to reduce erosion and manage dry land resources.
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1. The document discusses three types of tree-related land degradation in southern Africa: invasive alien trees, bush encroachment resulting in too many trees, and deforestation resulting in too few trees.
2. Invasive alien trees cover 10% of South Africa's surface area, reduce water resources, and cost $50 million annually to control but efforts are insufficient. Bush encroachment reduces grazing land, biodiversity, and hydrology.
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Similar to khoholeho ea mobu
MEFUTA E MERARO EA MOBU LE MESEBETSI EA OONA
Mefuta e meraro ea mobu ke lehlabathe, letsopa le selokoe. Mobu o mesebetsi e fapaneng, lehlabathe le sebetsa le tsoakiloe le samente le lubiloe ka metsi ho etsa taka e leng seretse se lila matlo le ho phara mabota a matlo ke mobu o seng motle haholo lijalong kaha o lahla mongobo le matsoai kapele, ha selokoe e le mobu o motle haholo lijalong ka ha o boloka mongobo le matsoai nako e lekaneng, re sebelisa selokoe hape ho lila matlo a sesotho mabota a kantle le kahare. letsopa lona re le sebelisa ho bopa linkho, marits'oana le lintho tseo bana ba bapalang ka tsona joaloka likhomo. basotho ba ne ba le sebelisa ho etsa sebetsa se thusang ho ts'osa linonyana masimong eleng tsoebila ke mobu o seng motle ho hang lijalo kaha o boloka metsi nako e telele ha se mobu o bolokang matsoai a hlokoang ke lijalo. Mobu ha o jeoe o kotsi hoba oa siba batho ba nang le takatso ea ho ja mobu ke baeletsa ho bona ngaka.
Save soil
This document discusses methods for conserving natural resources like soil. It begins by describing soil as a mixture of weathered rock and decomposed organic material. It then explains how human activities can lead to erosion of the earth's surface. Finally, it outlines several methods that can be used to conserve soil resources, including contour plowing, terracing, no-till farming, using cover crops, and practicing crop rotation.
Mesebetsi ea basali ba Basotho
This document summarizes traditional work done by Basotho women in Lesotho, which often involves activities like cooking, selling food, and herding livestock. It describes the processes for tasks such as cooking motoho (maize meal), selling motoho, herding animals, and washing clothes. Photos and references are provided to illustrate these traditional jobs performed primarily by women in Lesotho.
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This document discusses the benefits of trees. It outlines several benefits trees provide, including shade, fruit, firewood, wind protection, income, animal habitat, landscaping, and more. Trees can live for very long periods, with some baobab trees living over 1,000 years. The document encourages planting and protecting trees due to their important contributions.
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This document discusses the environmental, economic, and social impacts of deforestation. Environmentally, deforestation leads to loss of biodiversity, reduced water catchment areas, increased risk of flooding and soil erosion, and an enhanced greenhouse effect. Economically, it leads to depletion of natural resources as rainforests provide valuable timber. Socially, indigenous people can be displaced when forests are cleared, losing their homes and traditional cultures. The document examines these impacts in depth through examples and explanations.
11 29 2017 the ground beneath my feet save soil
Here are three ways to conserve soil:
1. Plant cover crops or leave plant residue on top of soil to prevent erosion from wind and water. Plant roots and above-ground matter hold soil in place.
2. Practice no-till or minimum tillage farming techniques to limit soil disturbance from tilling or plowing. This preserves soil structure and prevents erosion.
3. Leave buffer strips along waterways and avoid overgrazing or over-application of fertilizers/pesticides. This helps maintain soil nutrients and protects soil from running off into water sources.
Sec 1 geog unit 3 lesson 5
This document discusses the environmental, economic, and social impacts of deforestation. Environmentally, deforestation leads to loss of biodiversity, reduced water catchment areas which increases flooding and soil erosion risks, and enhances the greenhouse effect by removing trees that absorb carbon dioxide. Economically, deforestation depletes natural resources as rainforests provide valuable timber and resources for indigenous groups. Socially, indigenous tribes are displaced when forests are cleared, losing their homes and traditional cultures. The document examines these impacts through examples and diagrams.
Save our planet :)
Pollution is caused by human activities and has led to changes in air, water, and soil quality over the long run. There are six main types of pollution: air, land, water, noise, radiation, and thermal. Factories and industry are major causes of pollution. Global warming is causing the air and oceans to warm rapidly, resulting in rising water levels and endangering the Earth's life-giving systems. We must come together to conserve resources and grow more trees to help save our planet.
Lecture 3 human impact
Human activities like clearing land for agriculture, urbanization, and industrialization have significantly impacted ecosystems and contributed to issues like habitat loss, introduced invasive species, land degradation including salinity, and various forms of pollution. As the human population grows, these effects are magnified and threaten biodiversity through increased hunting, habitat destruction, climate change, and the endangerment and extinction of many plant and animal species. Conservation efforts through reserves, breeding programs, education, and international cooperation aim to reduce these impacts and protect threatened species and environments.
Intr_EVS.pdf
Here are potential responses to the assignment questions:
1. There are reasonable arguments both for and against the view that human domination over nature and environmental problems started with the advent of agriculture. In favor is that agriculture allowed permanent settlements and population growth, leading to greater resource use. However, hunter-gatherer societies also impacted the environment, and some problems like climate change have more recent causes. Overall it is a complex issue with no clear answer.
2. Environmental science should focus more on the scientific and technical aspects like ecology, pollution causes and remediation. Environmental studies should provide more social context focusing on things like resource use patterns, environmental policies, economics and ethics. Studies should be more interdisciplinary and accessible to non-science students
Soil
This document discusses different types of soil including sandy soil, clay soil, silty soil, loamy soil, chalky soil, and peaty soil. It describes the characteristics of each soil type and some of the problems associated with each. For example, it notes that sandy soil does not hold water well and nutrients drain quickly through it, while clay soil is difficult for air and water to penetrate, creating problems for plant growth. The document also discusses soil conservation and its importance.
«Environmental Protection»
This document contains biographical information about a teacher named Lyudmila Eduardivna Lymar. It states that she graduated from Zhytomyr National University with a specialization in Philology. She has been working as an English language and literature teacher for 11 years and holds the first category. She is currently working on the problem "Creative Approach to Teaching Grammar at Secondary and Senior Levels." To develop modern lessons and improve the quality and motivation of student learning, she uses multimedia and computer tools and creates lexical and grammatical exercises on the LearningApps.org website.
Soil Erosion and Conservation
This document discusses soil erosion, its causes, effects, and methods for prevention. It covers:
- Natural and human-caused soil erosion, with the latter including overcropping, overgrazing, and deforestation.
- Problems from erosion like loss of topsoil and declining plant productivity.
- A case study on erosion and desertification in Africa's Sahel region exacerbated by climate change.
- Conservation methods like windbreaks, contour plowing, stubble planting, terraces, and stone walls.
Science Project D D
Soil is composed of sand, silt, and clay particles of different sizes. Sand particles are the largest and have sharp edges, while silt particles are smooth and powdery. Clay particles are the smallest and become hard when dry but sticky when wet. The different particle sizes determine properties like drainage, nutrient holding capacity, and soil texture. A graph of particle content can be used to identify common soil types like sandy clay loam.
2024_EVS_Unit 1_Environmental Studies .pptx
The document outlines the syllabus for the course CS-1122 – Environmental Studies. It includes 5 units covering topics like natural resources, ecosystems, environmental pollution, social issues, and human population. It also lists 6 recommended textbooks. A sample unit on introduction to environmental studies is then presented, discussing the global environmental crisis, sustainable development, and the scope of environmental studies. Two case studies from India illustrate the impacts of environmental degradation - the vanishing islands in Sundarbans due to climate change, and the transformation of Kalahandi district from forests to famine. Exponential growth curves are used to show how population, consumption, CO2 levels, and extinction rates are increasing unsustainably and threatening the environment.
Soil (NCERT CBSE)
This document discusses soil and its properties. It defines important terms related to soil like humus, weathering, and parent rock. It describes the layers of soil profile known as horizons A, B, and C. Horizon A is the topsoil with humus and nutrients. Horizon B is below with more minerals and compact texture. Horizon C has partly weathered rocks. The last layer is bedrock which cannot be dug. It discusses processes like percolation, moisture content, and absorption of water in different soils. Factors causing soil erosion like rainfall, agriculture, grazing, and winds are also mentioned.
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- Without trees to hold the soil, rain washes away fertile land causing erosion and polluting waterways.
- Burning trees releases carbon dioxide, a greenhouse gas, into the air which can lead to issues like global warming as the atmosphere's balance is disrupted.
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khoholeho ea mobu
- 1. Lesotho College of Education Re Bona Leseli Leseling La Hao Khoholeho ea mobu ka Thato Lefa
- 2. Boitsibiso Mabitso:Thato lefa Ke moithuti Lesotho College of Education Thaba-Tseka Campus U ka buoa le ho fumana ka `na mona: •Email: thatolefa.angelinah@gmail.com •LinkedIn :https//www.linkedin.com/in/thato- lefa-0b42131b5 •Slide Share: http://www.slideshare.net/ thatolefa1/ •Facebook:https://www.facbook/thato.lefa.556
- 3. Tlhaloso ka khoholeho ea mobu •Khoholeho ea mobu ke ho tloha hoa mobu sebakeng se seng ho ea sebakeng se seng.O tlosoa ke lintho tse fapaneng joaloka metsi,moea o fokang ka matla, batho le liphoofolo.
- 4. Lintho tse bakang khoholeho ea mobu. •Metsi •Moea o fokang ka matla •Batho •Liphoofolo
- 5. Metsi a baka khoholeho ea mobu joang? •Pula e marotholi a liphara ha e otla lefatše,e ngobetsa mobu ebe mobu oo o mongobo oa phahama o tsamaea le metsi. •Metsi a phallang ka matla a hohola kobo ea lefatše e leng mobu o mosesane o kaholimo a o isa sebakeng se seng haholo-holo moo ho theosetsang. •Metsi a boetse a bopa mobu ho etsa lipolokoe tse pitikang ho theosa ho leba linokeng le mangopeng.
- 6. Ntšetso- pele ka litšoantšo tse bakiloeng ke metsi a phallang
- 7. Moea o fokang ka matla. •Moea o baka khoholeho ea mobu kaha o etsa litsokotsane. •O boetse o koqola lifate ka methapo hoo ho salang likoti tse kholo.
- 8. Batho ba baka khoholeho ea mobu joang? •Litaaso li hohola mobu letsatsi le letsatsi ha li tsamaea ho ea le ho khutla mabakeng a fapaneng. •Batho ba cheka mobu o lilang ka matlung, ha ba bang ba o ja. •Ba boetse ba cheka likoari ebe ho sala ho le feela.
- 9. Liphoofolo li baka khoholeho ea mobu joang? •Ho fulisa liphoofolo sebakeng se le seng nako e telele ho baka khoholeho ea mobu kaha joang boa fela ebe ho sala letsoatlara. •Ho ekeletsa moo, litlhako tsa liphoofolo li cheka lefatše li etsa mobu o bobebe hoo o fefohang habonolo.
- 10. Litholoana tsa khoholeho ea mobu. •Mobu o kaholimo o nonneng oa tloha ‘me lijalo li sala li ponne. • Ho heleha hoa mafika a oela matlo holimo. •Ho ba le mangope. •Litsela lia senyeha li ba likoti.
- 11. Litsela tsa ho thibela khoholeho ea mobu. •Re lokela ho kata mangope ka majoe le terata. •Re leme lifate ‘me re sebelise leano la hore ha re rema sefate,re leme se seng. •Re leme mohloa oa qhaqhaoe kaha o ts’oara mobu ka methapo ea oona.
- 12. Ntšetso-pele ka setšoantšo sa mohloa oa qhaqhaoe
- 13. Qetello Kaha ha ho na tjaka tlhoka koli, moo ho nang le botle, bobe le bona bo teng,le moo ho leng ho be botle bo ntse bo le teng ‘me leka khoholeho ea mobu botle bo teng. •Mesebetsi e ba teng ,batho ba hiroa lifato-fatong ho katoa mangope ‘me sena se ntlafatsa naha, ebile se holisa moruo oa naha. •Re bona masimo a tlaase pela linoka a ba le lijalo tse ntlafetseng,kaha mobu o hoholeha ho tloha holimo ho ea tlaase ka matsoai `ohle a eme masimong ao.
- 14. Ntšetso-pele ka setšoantšo sa tšimo e pela noka Source SO5927:Maize crop by the River Wye
- 15. Mehloli ea lipatlisiso. 1.Alan King,N.(1985).An Introduction Agriculture. 2.Botle,S. ,Jobo,M. and Kamoho,M.(1984). Excel in Agriculture. Maseru: Longman. 3.Founier,J. (2011). Environmental Science, Engineering and Technology. 4.Gholami,v.(2013). The influence of deforestation on runoff generation and soil erosion.[Online]Available at https://doi.org/10.17221/2020/20/2013-JFS .[Accessed on 20 August 2020]. 5.Lebitsa,T. and Motholo,L.(2005).Trends in Agriculture 2 Pupils`Book.Maseru:Heineman Lesotho.