land degradation meaning

The state of being degraded; degeneration. Land degradation results from the combined effects of processes such as loss of biological diversity and vegetative cover, soil loss nutrient imbalance, decline in soil organic matter and decrease of infiltration and water retention capacity. It is also caused by human activities that pollute or degrade the quality of soils and land utility. Often, the process of degradation is inextricably linked to loss of biodiversity and the impacts of climate change. Overgrazing is the grazing of natural pastures at stocking intensities above the livestock carrying capacity; the resulting decrease in the vegetation cover is a leading cause of wind and water erosion. In Canada, for example, on-farm effects of land degradation were estimated to range from US$700 to US$915 million in 1984 (Girt, 1986). Soil degradation is the decline in soil condition caused by its improper use or poor management, usually for agricultural, industrial or urban purposes. Meaning of Land Pollution. This, together with air, water, and land pollution pose several atmospheric alteration threats. Search land degradation and thousands of other words in English definition and synonym dictionary from Reverso. It is a serious environmental problem. Image Courtesy : en.wikipedia.org/wiki/File:Karst_following_phosphate_mining_on_Nauru.jpg. It thus covers the various forms of soil degradation, adverse human impacts on water resources, deforestation, and lowering of the productive capacity of rangelands. As the land resource base becomes less productive, food security is compromised and competition for dwindling resources increases, the seeds of famine and potential conflict are sown. Land degradation can also refer to the deterioration or destruction of vegetation and water resources. Land degradation is a big loss to the economy as the land loses its production potential and gets converted into wastelands. When these normally waterlogged soils are exposed to air by drainage or drought, the iron sulphides oxidise produc- In proper terminological definition, forest degradation is the decline of the capacity of a forest to produce healthy ecosystem products and services such as the provision of timber and other resources, support to biodiversity, carbon storage and so on as a result of environmental and anthropogenic changes. Following are some practises for controlling land degradation: It is & practice in which cultivated crops are sown in alternative strips to prevent water movement. What is Soil Degradation? Over the period 1961–2013, the annual area of drylands in drought has increased, on average by slightly more than 1% per year, with large inter-annual variability. It is one of the agricultural practice in which different crops are grown in same area following a rotation system which helps in replenishment of the soil. Soil degradation refers to negative changes in the physical, chemical, and biological properties of the soil, whereas vegetation degradation is the reduction in the number of species and the vegetational composition. TOS 7. [2] Natural hazards are excluded as a cause; however human activities can indirectly affect phenomena such as floods and bush fires. A decline to a lower condition, quality, or level. Content Filtrations 6. 3. Degradation is an important word in terms of environmentalism because it can be used to describe so many detrimental environmental conditions. People living in already degraded or desertified areas are increasingly negatively affected by climate change (high confidence). Soils are a fundamental natural resource, and are the basis for all terrestrial life. Content Guidelines 2. Environmental degradation can alters some of the natural process such as the water cycle and the normal processes of animal and plant activities. Desertification and Land Degradation Atlas of India. Some types of degradation include salinification and acidification of soils, topsoil loss, soil compaction , and pollution of land that makes it unusable. Johnson, D.L., S.H. Action in the land's capacity to provide resources for human livelihoods. Soil erosion is one of the factors responsible for lad degradation. Natural processes play a part, but humans cause most of the damage. Copyright 10. Land degradation is a process in which the value of the biophysical environment is affected by a combination of human-induced processes acting upon the land. The act or process of degrading. The economic impact of land degradation is extremely severe in densely populated South Asia, and sub-Saharan Africa. land degradation definition in the English Cobuild dictionary for learners, land degradation meaning explained, see also 'land up',land mass',land mine',common land', English vocabulary Although there is a link between land degradation and conflict, we should be careful not to blame the victims. There are four main ways of looking at land degradation and its impact on the environment around it: A problem with defining land degradation is that what one group of people might view as degradation, others might view as a benefit or opportunity. Land degradation is a process in which the value of the biophysical environment is affected by a combination of human-induced processes acting upon the land. What’s more, full degradation might mean that it is also unrecoverable. This can be measured from a base line of past land use. It is a significant factor in Afghanistan. 2 Land degradation affects people and ecosystems throughout the planet and is both affected by 3 climate change and contributes to it. Environmental degradation is the deterioration (causing degenerative harm) of the environment through exhaustion of natural assets such as water, soil, and air including the ecosystem, habitat intrusion, wildlife extermination, and environmental pollution. Exposure of naked soil after harvesting by heavy equipment, This page was last edited on 4 January 2021, at 13:41. This is frequent in semi-arid environments, where fuelwood shortages are often severe. Causes include: Overcutting of vegetation occurs when people cut forests, woodlands and shrublands—to obtain timber, fuelwood and other products—at a pace exceeding the rate of natural regrowth. Avoiding land degradation through sustainable land management can generate up to USD 1.4 trillion of economic benefits. [7] Sensitivity is the degree to which a land system undergoes change due to natural forces, human intervention or a combination of both. A definition of land degradation with examples. 5. As a result of sea-level rise from climate change, salinity levels can reach levels where agriculture becomes impossible in very low-lying areas. The modern agricultural practises, excessive use of fertilizers and pesticides has adversely degraded the natural quality and fertility of the cultivation land. defined by the UNCCD as the persistent degradation of dryland ecosystems by human activities, including unsustainable farming, mining, overgrazing and clear-cutting of land, and by climate change. Changes in climatic conditions because of unbalanced created in the environment. 15 policy briefs. The term land degradation involves both soil and vegetation degradation. It is viewed as any change or disturbance to the land perceived to be deleterious or undesirable. Land Degradation is a global concern for sustainable development, conservation of biodiversity and mitigating and adapting to climate change. environmental degradation Word Origin mid 16th cent. [technical] There are serious problems of land degradation in some arid zones. Meanings of environmental terms. 3. 1997. 2. [3] It is estimated that up to 40% of the world's agricultural land is seriously degraded. Shifting ecological risk: increased vulnerability of the environment or people to destruction or crisis. Improper agricultural practices, for instance, occur only under constraints such as the saturation of good lands under population pressure which leads settlers to cultivate too shallow or too steep soils, plough fallow land before it has recovered its fertility, or attempt to obtain multiple crops by irrigating unsuitable soils. It is a serious environmental problem. Title: Land Degradation 1 Land Degradation 2 Definition. In the context of developing policies to reduce emissions from deforestation and forest degradation (REDD+), degraded land refers to areas with low carbon stocks. tion (dĕg′rə-dā′shən) n. 1. Johnson, P. Lamb, M. Saul, and A.E. Development of industries for the economic growth of the country leads to excessive deforestation and utilization of land in such as way that it has lost its natural up gradation quality. 4. Land degradation is the major consequences of direct interference of human activities in the natural phenomenon. Naturally occurring, iron-sulphides underlie large areas of Australia’s low-lying coastal areas. Yet slow but continued degradation can lead to virtually in reversible losses of resources from the ecosystem and the land will degrade beyond self-repair or what we call destroyed or collapsed system. Usually land degrad ation is described in terms of the loss Define degradation. Prohibited Content 3. In turn, unsustainable land use is driving land degradation. Land degradation means loss in the capacity of a given land to support the growth of useful plants on a sustained basis. Definition Of Environmental Degradation. 5. According to the Special Report on Climate Change and Land of the Intergovernmental Panel on Climate Change climate change in one of the causes of land degradation. Image Guidelines 5. Ambrose, T.J. Bassett, M.L. Space Applications Centre (SAC), ISRO has released out an inventory and monitoring of desertification of the entire country in 2016. Winter-Nelson. 1 Definition of land degradation Land degradation can be defined in several ways depending upon the subject that needs to be emphasized. Isaacson, D.N. Continuous tillage of the soil definitely lead to land degradation and leaching which in turn leads to loss of soil nutrients. Land degradation is the temporary or permanent lowering of the productive capacity of land (UNEP, 1992b). This is measured through a base line in the form of pre-existing risk of crisis or destruction. Loss of natural fertility of soil because of loss of nutrients. Natural hazards are excluded as a cause; however human activities can indirectly affect phenomena such as floods and bush fires. Find more ways to say degradation, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. 2 Land degradation affects people and ecosystems throughout the planet and is both affected by 3 climate change and contributes to it. Resilience is the ability of a landscape to absorb change, without significantly altering the relationship between the relative importance and numbers of individuals and species that compose the community. also environmental degradation is the gradual destruction or reduction of the quality and quantity of human activities animals activities or natural means example water causes soil erosion, wind, etc. Land degradation is any reduction or loss in the biological or economic productive capacity of the land resource base. Rather, it is the practices of the human population that can cause a landscape to become degraded. In 2015, about 500 (380–620) million people lived within areas which experienced desertification between the year 1980s and 2000s. DEGRADATION Meaning: "a reduction in rank or dignity," from French dégradation (14c., Old French degradacion), noun of action… See definitions of degradation. But just what is the meaning of land pollution? and land degradation are also occurring. Significant land degradation from seawater inundation, particularly in river deltas and on low-lying islands, is a potential hazard that was identified in a 2007 IPCC report. Another word for degradation. Enrich your vocabulary with the English Definition dictionary Environmental degradation is the deterioration (causing degenerative harm) of the environment through exhaustion of natural assets such as water, soil, and air including the ecosystem, habitat intrusion, wildlife extermination, and environmental pollution. Land that is degraded becomes less resilient than undegraded land, which can lead to even further degradation through shocks to the landscape. 24 examples: Inevitably, the purchase of more livestock in the situation of decreasing land… Crummey, J.S. Land Degradation • Definition: • Causes: Any change that decreases productivity of the land -Land clearing -Poor land management practices 2 3. Land degradation is the major consequences of direct interference of human activities in the natural phenomenon. This is particularly the case for populations living in rural areas where most of the poor people reside: estimates report that 80% of the extreme poor live in rural areas and 65% work in the agricultural sector. ... Related to degradation: Land degradation. Desertification and land degradation can contribute to local warming by reducing plant cover and increasing soil exposure, which changes the energy balance of an area. Degradation of the natural environment is a worldwide problem, and some examples are quite ancient. Other dryland regions have also experienced desertification. Some information for local and regional scales is available and has been reviewed by Lal (1998). The decline in the overall quality of soil, water or vegetation condition commonly caused by human activities.. Land degradation Meaning… This usually checks or reduces the velocity of run off so that soil support vegetation. Also, environmental degradation aspects such as deforestation and mining destroy the natural land cover. Definition: Land degradation is the reduction or loss of the biological or economic productivity and complexity of rain—fed cropland, irrigated cropland, or range, pasture, forest or woodlands resulting from natural processes, land uses or other human activities and habitation patterns such as land contamination, soil erosion and the destruction of the vegetation cover. Before publishing your articles on this site, please read the following pages: 1. Disclaimer 9. Other kinds of land degradation are as water-logging, chemical contamination, acidification, salinity and alkalinity etc. The state of being degraded; degeneration. Land erosion is also a serious problem caused by forest fires and land Data on land degradation of global scale are scarce, but recent estimates suggest that 5-6. It results into reduced growth of vegetation, reduced diversity of plant species, excessive growth of unwanted plant species, soil erosion, and degradation of land due to cattle movement. What is land degradation? [5], The United Nations Sustainable Development Goal 15 has a target to restore degraded land and soil and achieve a land degradation-neutral world by 2030.[6]. Privacy Policy 8. land degradation definition in English dictionary, land degradation meaning, synonyms, see also 'Land',Land',Adélie Land',Arnhem Land'. 2. Geology A general lowering of the earth's surface by erosion or weathering. Land degradation also has serious knock-on effects for humans, such as malnutrition, disease, forced migration, cultural damage, and even war. This Atlas presents state-wise desertification and land degradation status maps depicting land use, process of degradation … The highest numbers of people affected are in South and East Asia, the circum Sahara region including North Africa, and the Middle East including the Arabian Peninsula (low confidence). Read this article to learn about the meaning, factors responsible, prevention and control measures of land degradation: The change in the characteristic and quality of soil which adversely affect its fertility is called as Degradation. Land degradation may occur due to intensive agricultural practices. 3. • Poor land management practices include grazing of stock that has hard hooves, growing of crops that require large amounts of fertilisers and pesticides especially superphosphate and nitrogen, and irrigation for crops on sandy soils. Bowen, D.E. This can be caused by several factors. When these normally waterlogged soils are exposed to air by drainage or drought, the iron sulphides oxidise produc- Avoiding land degradation through sustainable land management can generate up to USD 1.4 trillion of economic benefits. Land pollution can mean the misuse of land by human beings. Severe land degradation affects a significant portion of the Earth's arable lands, decreasing the wealth and economic development of nations. degradation definition: 1. the process in which the beauty or quality of something is destroyed or spoiled: 2. the…. Desertification & Land Degradation. Soil erosion from agricultural fields is estimated to be currently 10 to 20 times (no tillage) to more than 100 times (conventional tillage) higher than the soil formation rate (medium confidence).". It is viewed as any change or disturbance to the land perceived to be deleterious or undesirable. Hence shrinking of the land resource base is a big problem before developing country like India. However, there is no single internationally-approved definition of “degraded land”. Land degradation is a global challenge that affects everybody through food insecurity and higher food prices, through climate change and environmental hazards, and through the loss of biodiversity and ecosystem services. Land degradation is caused by multiple forces, including extreme weather conditions, particularly drought. Video shows what land degradation means. The growing population pressure, during 1980–1990, has led to decreases in the already small areas of agricultural land per person in six out of eight countries (14% for India and 21% for Pakistan). How to use land in a sentence. Land definition is - the solid part of the surface of the earth; also : a corresponding part of a celestial body (such as the moon). This type of farming is usually practiced across the hill side and is useful in collecting and diverting the run off to avoid erosion. The condition of the soil is one of the best indicators of land degradation. Land degradation can go fast, as can be the case of deforestation or forest fires, but often land degradation is a very slow process. Degradation definition is - the act or process of degrading. A general definition of land degradation is presented by Wasson (1987) as: "Land degradation is a change to land that makes it less useful for human beings". [1] Information on the economic impact of land degradation by different processes on a global scale is not available. Natural hazards are the conditions of the physical environmentwhich lead to the existence of a high degradation hazard, forexample steep slopes as a hazard for water erosion. Land degradation is a global challenge that affects everybody through food insecurity and higher food prices, through climate change and environmental hazards, and through the loss of biodiversity and ecosystem services. Pollution of water resources from the contamination of soil through which water sweeps into ground or runoff to the water bodies. Natural hazards are excluded as a cause; however human activities can indirectly affect phenomena such as floods and bush fires. en * We recognize that actions to reduce emissions, including from deforestation and forest degradation, and to increase removals by sinks in the land use, land use change, and forestry sector, including cooperation on tackling forest fires, can make a contribution to stabilizing greenhouse gases … Many people do conceive the idea of soil degradation but a good number lacks the knowledge of its precise definition. Overgrazing refers to excessive eating of grasses and other green plants by cattle. Find more ways to say degradation, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. 4. Degraded land is land that has lost some degree of its natural productivity due to human-caused processes. Naturally occurring, iron-sulphides underlie large areas of Australia’s low-lying coastal areas. The result is a loss of land productivity with impacts on livelihoods and Underlying drivers of land degradation, says the report, are the high-consumption lifestyles in the most developed economies, combined with rising consumption in … Land Degradation Neutrality (LDN) has been defined by the Parties to the Convention as: A state whereby the amount and quality of land resources, necessary to support ecosystem functions and services and enhance food security, remains stable or increases within … Examples of land degradation in a sentence, how to use it. n. 1. This is considered to be an important topic of the 21st century due to the implications land degradation has upon agricultural productivity, the environment, and its effects on food security. In this report, land degradation is defined as a negative trend 4 in land condition, caused by direct or indirect human-induced processes including anthropogenic The causes of land degradation can be dividedinto natural hazards, direct causes, and underlying causes. soil erosion, soil contamination, soil acidification, sheet erosion, silting, aridification, salinization, urbanization, etc. Another word for degradation. A decline to a lower condition, quality, or level. Land degradation. Land degradation is damage to land that makes it less economically useful and less biologically diverse. The report state that: "Climate change exacerbates land degradation, particularly in lowlying coastal areas, river deltas, drylands and in permafrost areas (high confidence). [ technical ] there are serious problems of land upon different methods of land-use management released an. A variety of important processes involving vegetation growth, overland flow of water, and dry also... 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