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The carrying capacity of an environment is the ... A 2008 review finds the first use of the term in English was an 1845 ... In some European countries such ...
Arable density (m² per capita) by country. This is a list of countries ordered by physiological density."Arable land" is defined by the UN's Food and Agriculture Organization, the source of "Arable land (hectares per person)" as land under temporary crops (double-cropped areas are counted once), temporary meadows for mowing or for pasture, land under market or kitchen gardens, and land ...
According to the Global Footprint Network's calculations, currently people use Earth's resources at approximately 171% of capacity. [27] This implies that humanity is well over Earth's human carrying capacity at current levels of affluence. According to the GFN: In 2023, Earth Overshoot Day fell on August 2nd. Earth Overshoot Day marks the date ...
A country that consumes more than 1.73 gha per person has a resource demand that is not sustainable world-wide if every country were to exceed that consumption level simultaneously. Countries with a footprint below 1.73 gha per person might not be sustainable: the quality of the footprint may still lead to net long-term ecological destruction.
Biocapacity is calculated from United Nations population and land use data, and may be reported at various regional levels, such as a city, a country, or the world as a whole. For example, there were roughly 12.2 billion hectares of biologically productive land and water areas on this planet in 2016.
Many studies have tried to estimate the world's sustainable population for humans, that is, the maximum population the world can host. [5] A 2004 meta-analysis of 69 such studies from 1694 until 2001 found the average predicted maximum number of people the Earth would ever have was 7.7 billion people, with lower and upper meta-bounds at 0.65 and 9.8 billion people, respectively.
This page was last edited on 19 July 2008, at 04:46 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
Carrying capacity, the population size of a species that its environment can sustain; Capacity planning, the process of determining the production resources needed to meet product demand; Capacity building, strengthening the skills, competencies and abilities of developing societies; Productive capacity, the maximum possible output of an economy