2020 WWF - World Wide Fund For Nature 1986 Panda Symbol WWF World Wide Fund For Nature (formerly World Wildlife Fund) WWF is a WWF Registered Trademark Creative Commons license. Ecological Indicators 24: 518-533. The Accounts measure the ecological resource use and resource capacity of nations over time. "Global hectares per person" refers to the amount of production and waste assimilation per person on the planet. They can bring environmental benefits too: fertilizers can increase crop yields. You have the permission to use, distribute, and reproduce these in any medium, provided the source and authors are credited. Africa in particular has seen dramatic reductions in agricultural land per person now less than one-third of per capita land 50 years ago. 70% less land was needed. Corrections? But Mathis Wackernagel says it is important to include carbon emissions in the calculation to capture the "total package" of our activity. At the upper end of the spectrum we find meat products, with the land required for beef or mutton up to 100 times larger than cereals. Biologically productive areas include cropland, forest and fishing grounds, and do not include deserts, glaciers and the open ocean. It starts with the total biological production and waste assimilation in the world, including crops, forests (such as wood, and CO2 absorption), grazing and fishing (Borucke 2013). See Earth Overshoot Day. And again from the same source the definition for permanent meadows and pastures is land used permanently (five years or more) to grow herbaceous forage crops, either cultivated or growing wild (wild prairie or grazing land)., The FAO definition for fallow land is the cultivated land that is not seeded for one or more growing seasons. The hectare, however, remains as a non-SI unit accepted for use with the SI and whose use is "expected to continue indefinitely". . hectare, unit of area in the metric system equal to 100 ares, or 10,000 square metres, and the equivalent of 2.471 acres in the British Imperial System and the United States Customary measure. Let us know if you have suggestions to improve this article (requires login). John Shegerian hosts a weekly podcast featuring conversations with some of the greatest business minds and thought leaders on the planet. It starts with the total biological production and waste assimilation in the world, including crops, forests (both wood production and CO2 absorption), grazing and fishing. Looking to recycle your unwanted items? Definition. global land allocated to livestock either in the form of grazing land or cropland used for animal feed is equivalent to the area of the Americas (North, Central and South America combined); cropland (minus land used for the production of animal feed) is equivalent to the area of East Asia-Pacific, extending as far south as Thailand; forested area is equal to Africa (minus Libya), the Middle East and South Asia; global freshwater (inland water bodies) approximates to the area of Mongolia. This can also be viewed by select countries and all regions using the change country/region option. http://awsassets.panda.org/downloads/lpr_living_planet_report_2004.pdf, https://www.researchgate.net/publication/271586101_On_the_rationale_and_policy_usefulness_of_Ecological_Footprint_Accounting_The_case_of_Morocco, https://www.witpress.com/Secure/elibrary/papers/9781845646547/9781845646547023FU1.pdf, https://www.footprintnetwork.org/content/images/article_uploads/NFA_Method_Paper_2011.pdf, https://en.wikipedia.org/w/index.php?title=Talk:Global_hectare&oldid=1096780875, This article has not yet received a rating on Wikipedia's, This article has not yet received a rating on the, That citation is: Galli, A. An exploration of the mathematics behind the Ecological Footprint. Global hectare (gha): Global hectares are the accounting unit for Ecological Footprint and biocapacity accounts. Total land area used for oilcrop production has increased almost 3-fold since 1961 an area just short of the size of Mexico. The Environment Committee of the European Parliament has voted to reject the proposed EU Nature Restoration Law. (Dictionary of Modern Greek), , , 1998. International Committee for Weights and Measures, "Department for Environment, Food and Rural Affairs, and Rural Payments Agency; The Delays in Administering the 2005 Single Payment Scheme in England", "Council Directive 80/181/EEC of 20 December 1979 on the approximation of the laws of the Member States relating to Unit of measurement and on the repeal of Directive 71/354/EEC", "Instructions for the Conversions of Areas to Metric", "La loi du 18 Germinal an 3 " la mesure [rpublicaine] de superficie pour les terrains, gale un carr de dix mtres de ct", International Bureau of Weights and Measures, "Council Directive of 18 October 1971 on the approximation of laws of the member states relating to units of measurement, (71/354/EEC)", "are definition. The global average per capita protein availability from vegetal products was 49 grams per person per day, and 32g from animal products. What losses did Russia suffer in the Wagner revolt? DOI: 10.1111/j.1728-4457.2013.00561.x. "Global hectares per person" refers to the amount of production and waste assimilation per person on the planet. In this section. By increasing crop yields we can reduce the amount of land we use . VideoThe endangered languages that are fighting back, When Miss World's arrival in India ignited protests. It is primarily used to measure land area. Wagner's network in Africa faces uncertain future, How one temple feeds 100,000 people a day. In 1972, the European Economic Community (EEC) passed directive 71/354/EEC,[20] which catalogued the units of measure that might be used within the Community. One global hectare is the world's annual amount of biological production for human use and human waste assimilation, per hectare of biologically productive land and fisheries. This article was most recently revised and updated by, 15 Questions About Units of Measurement Answered, https://www.britannica.com/science/hectare. Hectare Definition: A hectare (symbol: ha) is a unit of area that is accepted in the International System of Units (SI). ERI is the largest fully integrated IT and electronics asset disposition provider and cybersecurity-focused hardware destruction company in the United States. Global Data Country Profiles Compare Information. the resources consumed by humans and their waste. The names centiare, deciare, decare and hectare are derived by adding the standard metric prefixes to the original base unit of area, the are. When the metric system was further rationalised in 1960, resulting in the International System of Units (.mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}SI), the are was not included as a recognised unit. The global hectare (gha) is a measurement of biocapacity of the entire earth - one global hectare is a measurement of the average biocapacity of all hectare measurements of any biologically productive areas on the planet. These numbers are taken from FAO (2013) Statistical Yearbook. values in 1961 are equal to 1.0. Wackernagel accepts this criticism, to an extent. the planet's capacity to produce resources; Human activity and its ecological impact, i.e. We will always indicate the original source of the data in our documentation, so you should always check the license of any such third-party data before use and redistribution. While every effort has been made to follow citation style rules, there may be some discrepancies. It starts with the total biological production and waste assimilation in the world, including crops, forests (both wood production and CO2 absorption), grazing and fishing.The total of these kinds of production, weighted by the richness of the land they use, is divided by the number of hectares used. Duurzaamheid houdt in dat er niet meer wordt gebruikt dan er wordt geproduceerd. That's because it takes account of carbon emissions. The world-average ecological footprint in 2016 was 2.75 global hectares per person (22.6 billion in total). This category includes flowering shrubs, fruit trees, nut trees and vines, but excludes trees grown for wood or timber. View Map View Graph . For example, Switzerland publishes ecological footprint estimates on its Federal Statistics Office website. The combined land appropriation for producing agricultural, livestock, fishery and aquaculture, and timber products as well as the greenhouse gas emissions and built-up surfaces including roads, factories, and cities linked to that production. The key questions for GFN, he says, are: "If there is one planet - how much planet is available per person and how much planet do we use per person.". As an example, the ecological footprint for France is 4.7 global hectares per person, and global biocapacity is 1.7 hectares per person. 1917). In 2012, the Earth's total biocapacity was 12.2 billion gha, or 1.7 gha per person, while humanity's Ecological Footprint was 20.1 billion gha, or 2.8 gha per person. One global hectare is the world's annual amount of biological production for human use and human waste assimilation, per hectare of biologically productive land and fisheries. Overall, we see that the majority of our arable land is used for cereal production; this has grown from around 650 to 720 million hectares (an area roughly twice the size of Germany) over this period. They do this by using published statistics on consumption and the amount of land or sea used to produce the quantity of goods consumed. In het laatste gebied is een veel grotere oppervlakte nodig om eenzelfde biomassa te produceren aangezien droogte meestal plantengroei en biodiversiteit beperkt. A global hectare is an adjusted unit that represents the average biological productivity of all productive hectares on Earth in a given year (because not all hectares produce the same amount of ecosystem services ). To illustrate, producing meat generally requires more land and energy than what producing vegetables requires; sustaining a meat-based diet would require a less populated planet. It is in fact ranked fifth among countries with a population of one million or more. Our articles and data visualizations rely on work from many different people and organizations. Other studies confirm this distribution of global land: in an analysis of how humans have transformed global land use in recent centuries, Ellis et al. All other crop types take up less than 100 million hectares of global area. Productivity normally means "efficiency of production. The article does not say what biological production is measured: Total biomass? The maximum idle period is usually less than five years.. Only for a brief period can we cut trees faster than theymature, harvest more fish than the oceans can replenish, or emit more carbon into the atmospherethan the forests and oceans can absorb. on the chart.The crop production index (PIN) is the sum of crop commodities produced (after deductions of quantities used as seed and feed). The decare or dekare (/dkr, -r/) is derived from deca and are, and is equal to 10 ares or 1000 square metres. This data is sourced from the UN Food and Agriculture Organization. total build-up land (villages, towns, cities & infrastructure) would fit into an area the size of Libya; shrub land is equivalent to an area the size of East Asia-Pacific, from Malaysia southwards; barren land is equivalent to the size of Europe; glaciers (permanent ice & snow) approximates to an area of Antarctica & Greenland combined. The abandoned land resulting from shifting cultivation is not included in this category. A global hectare corresponds to a globally standardised, comparable hectare with average biological productivity. The global hectare (gha) is a measurement unit for the ecological footprint of people or activities and the biocapacity of the Earth or its regions. You can help Wikipedia by expanding it. When citing this topic page, please also cite the underlying data sources. The FAO definition for arable land is land under temporary agricultural crops (multiple-cropped areas are counted only once), temporary meadows for mowing or pasture, land under market and . You have permission to use, distribute, and reproduce these in any medium, provided the source and authors are credited. Population and Development Review, Volume 38, Issue Supplement s1, pages 221242, February 2013. In some countries (particularly in Central Asia, including Mongolia, Kazakhstan, and Turkmenistan) this can reach up to 70 percent. Australia (since 1970). output per unit of input." View our Cookie Policy. Arable land needed to produce a fixed quantity of crops, Area of land needed to meet global vegetable oil demand, Change in cereal production, yield, land use and population, Extent of foraging, hunting and gathering. Global hectare is a metaphor, since its units are production+assimilation per unit of area, not actually area. It has been recurring on social media at least since 2012, when science writer Tim De Chant produced this infographic illustrating how much land would be required if seven billion people lived like the populations of nine selected countries from Bangladesh to the United Arab Emirates. It includes social, cultural, and (for humans) economic and political considerations. This measure allows different countries and areas of the planet to be compared with each other, even if they differ greatly from their natural conditions and ressources, e.g. The resources consumed by each individual are subtracted from the resources generated by the planet over a year. The agricultural area is the sum of arable land, permanent crops, permanent meadows and pastures. The term "global hectar" was introduced in the early 2000s, based on a similar concept from the 1970s named "ghost acerage".Opponents and defenders of the concept have discussed its strengths and weaknesses. The global hectare (gha) is a measurement unit for the ecological footprint of people or activities and the biocapacity of the earth or its regions. With a world-average biocapacity of 1.63 global . This is a list of countries by ecological footprint.The table is based on data spanning from 1961 to 2013 from the Global Footprint Network's National Footprint Accounts published in 2016. Es una unidad cada vez ms empleada en geografa, ciencias ambientales, sociologa, as como para el clculo de la huella ecolgica. The global hectare is based on the area-weighted average productivity of usable land and water in a given year. Prendendo il totale della della Terra e dividendolo per il numero degli ettari della sua superficie si ottiene la media di produttivit per ettaro. [1] The focus of this entry is land use for agriculture. Anthropogenic transformation of the biomes, 1700 to 2000. De term 'mondiale hectare per persoon' duidt op de oppervlakte biologisch productieve ruimte die beschikbaar is per persoon op onze planeet. The term "global hectar" was introduced in the early 2000s, based on a similar concept from the 1970s named "ghost acerage".Opponents and defenders of the concept have discussed its strengths and weaknesses. Ingurumen zientzietan erabiltzen den unitatea da. If we rewind 1000 years, it is estimated that only 4 million square kilometers less than 4% of the worlds ice-free and non-barren land area was used for farming.In the visualization we see the breakdown of global land area today. For much of human history, most of the worlds land was wilderness: forests, grasslands and shrubbery dominated its landscapes. Slechts een kwart van het aardoppervlak is biologisch productief (bossen, zoetwatergebieden, kuststreken, weilanden, etc.). For more than 40 years, humanitys demand on nature has exceeded what our planet can replenish. [4] In practice the hectare is fully derived from the SI, being equivalent to a square hectometre. . The average American, says GFN, uses seven . In the following sections you can find disaggregated data for cropland and grazing land change over time. On the Rationale and Policy Usefulness of Ecological Footprint Accounting: the case of Morocco. Daarbij wordt uitgegaan van de huidige technologie. At the global level, per capita agricultural land use is now less than half its value in 1961. Global Ecology and Biogeography, 19(5), 589-606. Read about our approach to external linking. Please refer to the appropriate style manual or other sources if you have any questions. [12], In many countries, metrification redefined or clarified existing measures in terms of metric units. Preceding unsigned comment added by Numbersinstitute (talk contribs) 21:14, 2 March 2018 (UTC)Reply[reply]. We will explore this difference in cropland and pastureland in the following section. Anthropogenic transformation of the biomes, 1700 to 2000, Reducing foods environmental impacts through producers and consumers. The endangered languages that are fighting back. In the chart here we have plotted the average land required (sometimes termed the land footprint) to produce one gram of protein across a range of food types. The units that were catalogued replicated the recommendations of the CGPM, supplemented by a few other units including the are (and implicitly the hectare) whose use was limited to the measurement of land. Canada) required a resurvey when units of measure in legal descriptions relating to land were converted to metric units. Our World In Data is a project of the Global Change Data Lab, a registered charity in England and Wales (Charity Number 1186433). If we extend our land coverage above from arable land use to total agricultural land (which is the sum of arable, permanent crops and pastures and meadows), we still see overall declines in land per person but with different rates and patterns of reduction. Reducing foods environmental impacts through producers and consumers. De mondiale hectare (Engels: Global hectare (gha)) is een eenheid van ecologische voetafdruk, en daarmee enerzijds van biologische productiviteit van een grond- of wateroppervlakte, met als wereldgemiddelde een mondiale hectare per gewone hectare, en anderzijds van het gebruik daarvan, ook rekening houdend met het verwerken van de bijbehorende afvalproductie. How has global land use changed over the long-term? However, the US does not consume the most on this measure. The hectare (/hktr, -tr/[2]), although not a unit of SI, is the only named unit of area that is accepted for use with SI units. The article needs to present both a simple definition and a full definition. Opponents and defenders of the concept have discussed its strengths and weaknesses.[6]. The International Committee for Weights and Measures (CIPM) makes no mention of the are in the current (2006) definition of the SI, but classifies the hectare as a "Non-SI unit accepted for use with the International System of Units".[19]. Numbers are given in global hectares per capita. (Translation of hectare from the GLOBAL French-English Dictionary 2018 K Dictionaries Ltd) [27] It is still commonly used in speech to measure real estate, in particular in Indonesia, India, and in various European countries. In 2013, the global average per capita energy availability from vegetal products was 2370 kilocalories per person per day, and 514kcal from animal products. Follow us, or subscribe to our monthly recycling newsletter, to receive the latest and most interesting content! Una Hectrea global (HAG) es una unidad de medida empleada para cuantificar la biocapacidad del planeta. Duurzaamheid houdt in dat er niet meer wordt gebruikt dan er wordt geproduceerd. They estimate that we need an extra half a planet. One global hectare is the world's annual amount of biological production for human use and human waste assimilation, per hectare of biologically productive land and fisheries. One global hectare is the world's annual amount of biological production for human use and human waste assimilation, per hectare of biologically productive land and fisheries. Overall, we see that agricultural land per person is higher than that of arable land. Different hectares of land can provide different amounts of global hectares. The total of these kinds of production, weighted by the richness of the land they use (Borucke 2013), is divided by the number of hectares used (Galli 2007). Despite this uncertainty, most analyses tend to converge on an estimate of close to half of habitable land being used for agriculture. Updates? All of our charts can be embedded in any site. It measures production and consumption of different products. There is also a highly unequal distribution of land use between livestock and crops for human consumption. Overall we see that the arable land use per capita has declined across all regions since 1961. In Russian and some other languages of the former Soviet Union, the are is called sotka (Russian: : 'a hundred', i.e. The following legacy units of area have been redefined as being equal to one hectare:[13], The metric system of measurement was first given a legal basis in 1795 by the French Revolutionary government. Examples of biologically productive areas include cropland, forests, and fishing grounds; they do not include deserts, glaciers, and the open ocean. There is large variability in the share of land a given country uses for agriculture. 4 global hectares or less, moving towards a figure of 1. The world total of global hectares equals the world total of production+waste assimilation. The world's seven billion people consume varying amounts of the planet's resources. Current Ecological Footprint Accounts use global hectares as a measurement unit, which makes data and results globally comparable. the global hectare. We would need the regenerative capacity of 1.6 Earths to provide the natural resources and ecological services we currently use. This left only 45% as natural or semi-natural land. It is therefore useful to understand the differences between land use terminology; for example, the definition of arable land versus agricultural land. Biogaitasuna urtez urte aldatzen denez, gha-ren balioa desberdina izango da urtero. Dit komt op 1,8 mondiale hectare per persoon. In the chart here we see a global map of land used for arable agriculture (as a share of total land area). Licenses: All visualizations, data, and articles produced by Our World in Data are open access under the Creative Commons BY license. Daarbij wordt uitgegaan van de huidige technologie. Values per areas (different agroecological zones) are scaled proportionally to their biological productivity resulting in a comparable unit of analysis - the global hectare. The 2016 report says what a global hectare represents: Galli's definition of the calculation (production divided by area) shows: The Living Planet 2016 report also addresses the definition of production: So a global hectare is an average, but is the ratio of the a fraction of the earth's production of, So one global hectare is the average amount of biological production and waste assimilation for humans, per hectare of biologically productive land and fishery (Galli 2007). Consumption totaled 20.1 billion global hectares or 2.8 global hectares per person, meaning about 65% more was consumed than produced. De Chant was using a subset of data produced by the Global Footprint Network (GFN), which has been attempting the tricky business of measuring the impact of humans on the planet since 2003. Un Ettaro Globale rappresenta invece il valore medio di produttivit, sempre in termini biologici, per ogni ettaro di superficie del pianeta. But the claim that four Earths would be needed if everyone lived like Americans is still a striking one. Species can be filtered by threat categories in the IUCNs search function here. One global hectare measures the average productivity of all biologically productive areas (measured in hectares) on earth in a given year. Social engineering to halt population drift from the land 2 global hectares per person (a global hectare is a hectare with world-average ability to produce resources and absorb wastes). In the chart here we have plotted trends of the average arable land use per person across the worlds regions. There are 100 hectares in one square kilometre. Add country If we now look again at the average American footprint - two-thirds of that is made up of carbon emissions. Science, 360(6392), 987-992. [5] Per capita land use is highest in North America more than double the land use of any other region. The units for ecological footprint are global hectares (gha), which measure the amount of biologically productive land with a productivity equal to the world average. It's estimated that just under half of the people alive today are dependent on synthetic fertilizers. In 2019, 24,001 species were threatened by agriculture and aquaculture. Prendendo il totale della della Terra e dividendolo per il numero degli ettari della sua superficie si ottiene la media di produttivit per ettaro. Note that these are not used to represent the distribution of each: this figure does not mean the United States is wholly used for livestock, or that Europe comprises only of barren land. The BBC is not responsible for the content of external sites. If we view the map in chart mode, we see how the allocation of land to agriculture has changed over time across the global regions. Land use in Asia both in South and East Asia is lowest (5-6 times less than in North America). This data can be viewed for other countries and regions by selecting which is at. 94.208.3.57 (talk) 18:13, 31 May 2009 (UTC)Reply[reply]. All human activities that require a bioproductive area are summed. A generic term for factors which are used to translate a material flow expressed within one measurement system into another one. This leaves only 37% for forests; 11% as shrubs and grasslands; 1% as freshwater coverage; and the remaining 1% a much smaller share than many suspect is built-up urban area which includes cities, towns, villages, roads and other human infrastructure. There are some notable exceptions, however; countries in South Asia and Europe allocate a large share of land area to arable farming. Our World in Data is free and accessible for everyone. The global hectare (gha) is a measurement unit for the ecological footprint of people or activities and the biocapacity of the Earth or its regions. '7, The same source defines permanent crops as follows: Permanent crops are divided into temporary and permanent crops. This is possible only in the short term. I think there is absolutely no relation with the term 'global hectare' and this first paragraph should be entirely removed, or better yet, the article should be reverted to the version of 1 May, before the page was perverted by local football club fans. Due to rapid population growth, these reserves are being depleted at an ever increasing tempo. On average, a global hectare can be produced in the area of a standard hectare. So it's obvious that Americans consume more, on average, than the people of less developed countries. It measures production and consumption of different products. Make your recycling needs as easy as possible, use our Recycle Search to find a location near you! The number of species evaluated and threatened with extinction on the IUCN Red List is available from their summary statistics found here. In 2012 there were approximately 12.2 billion global hectares of production and waste assimilation, averaging 1.7 global hectares per person. hectare: [noun] a unit of area equal to 10,000 square meters see Metric System Table. 1 / 20 Flashcards Learn Test Match Created by Clare_Alexander Teacher Terms in this set (20) Ecological Footprint IB DEFINITION: "The theoretical measurement of the amount of land and water a population requires to produce the resources it consumes and to absorb its waste under prevailing technology." Calculation takes into account which resources? Global Issues - Examples Global climate change Energy crisis Population explosion Pollution Loss of biodiversity Calculation methods are standardized so results of various assessments can be compared. In a tight vote, 44 of the 88 Committee members voted in favour of the proposed . The 2004 report defines a global hectare as. Although the are is the primary metric unit of land measurement, in practice the hectare is . Global population has more than doubled over the last 50 years. Researchers just don't know how sustainable some agricultural practices are, and therefore to what extent resources are being overused. Es una unidad cada vez ms empleada en geografa, ciencias ambientales, sociologa, as como para el clculo de la huella ecolgica. Biomass used for human purposes? American English definition of are by Macmillan Dictionary", "Market of agricultural land in Bulgaria", Official SI website: Table 6. The visualisation shows the change in the average agricultural land use (which is the sum of cropland and grazing area) per person over the long-term (since 10,000 BC), measured in hectares per person. Note that species can have multiple threats; this therefore does not mean agriculture was the only threat for such species. The BBC is not responsible for the content of external sites. The decimilliare (dma, sometimes seen in cadastre area evaluation of real estate plots) is 110,000 are or one square decimetre. The FAO definition for arable land is land under temporary agricultural crops (multiple-cropped areas are counted only once), temporary meadows for mowing or pasture, land under market and kitchen gardens and land temporarily fallow (less than five years). In 2012 there were approximately 12.2 billion global hectares of production and waste assimilation, averaging 1.7 global hectares per person.Consumption totaled 20.1 billion global hectares or 2.8 global hectares per person, meaning about 65% more was consumed than produced.
Sisters Of Charity Founder, Articles G