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  2. Carrying capacity - Wikipedia

    en.wikipedia.org/wiki/Carrying_capacity

    Carrying capacity is applied to the maximum population an environment can support in ecology, agriculture and fisheries. The term carrying capacity has been applied to a few different processes in the past before finally being applied to population limits in the 1950s. [1] The notion of carrying capacity for humans is covered by the notion of ...

  3. Human overpopulation - Wikipedia

    en.wikipedia.org/wiki/Human_overpopulation

    Human overpopulation (or human population overshoot) is the idea that human populations may become too large to be sustained by their environment or resources in the long term. The topic is usually discussed in the context of world population, though it may concern individual nations, regions, and cities. Since 1804, the global living human ...

  4. Ricker model - Wikipedia

    en.wikipedia.org/wiki/Ricker_model

    The Ricker model, named after Bill Ricker, is a classic discrete population model which gives the expected number N t+1 (or density) of individuals in generation t + 1 as a function of the number of individuals in the previous generation, [1] Here r is interpreted as an intrinsic growth rate and k as the carrying capacity of the environment.

  5. The Limits to Growth - Wikipedia

    en.wikipedia.org/wiki/The_Limits_to_Growth

    Prosperity Without Growth. Ecological Economics (journal) Related topics. v. t. e. The Limits to Growth (LTG) is a 1972 report [2] that discussed the possibility of exponential economic and population growth with finite supply of resources, studied by computer simulation. [3] The study used the World3 computer model to simulate the consequence ...

  6. William R. Catton Jr. - Wikipedia

    en.wikipedia.org/wiki/William_R._Catton_Jr.

    William Robert Catton, Jr. (January 15, 1926 – January 5, 2015) was an American sociologist known for his scholarly work in environmental sociology and human ecology. [1] More broadly, Catton is known for his 1980 book, Overshoot: The Ecological Basis of Revolutionary Change, which is credited by younger generations of environmental scholars ...

  7. Tourism carrying capacity - Wikipedia

    en.wikipedia.org/wiki/Tourism_carrying_capacity

    Tourism carrying capacity (TCC) is an imperfect [1] but useful approach to managing visitors in vulnerable areas. [2] The TCC concept evolved out of the fields of range, habitat and wildlife management. In these fields, managers attempted to determine the largest population of a particular species that could be supported by a habitat over a ...

  8. Ecological footprint - Wikipedia

    en.wikipedia.org/wiki/Ecological_footprint

    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 ...

  9. An Essay on the Principle of Population - Wikipedia

    en.wikipedia.org/wiki/An_Essay_on_the_Principle...

    The book An Essay on the Principle of Population was first published anonymously in 1798, [1] but the author was soon identified as Thomas Robert Malthus.The book warned of future difficulties, on an interpretation of the population increasing in geometric progression (so as to double every 25 years) [2] while food production increased in an arithmetic progression, which would leave a ...