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  2. Impact of the COVID-19 pandemic on the environment - Wikipedia

    en.wikipedia.org/wiki/Impact_of_the_COVID-19...

    The COVID-19 lockdown had a positive effect for the water quality of the Boukhalef River in northern Morocco. Researchers used Sentinel 3 water surface temperature (WST) values to test several locations along the Boukhalef River before and after the lockdown. Before the lockdown there were high WST values indicating poor water quality at these ...

  3. Coronavirus - Wikipedia

    en.wikipedia.org/wiki/Coronavirus

    The human coronavirus NL63 shared a common ancestor with a bat coronavirus (ARCoV.2) between 1190 and 1449 CE. [76] The human coronavirus 229E shared a common ancestor with a bat coronavirus (GhanaGrp1 Bt CoV) between 1686 and 1800 CE. [77] More recently, alpaca coronavirus and human coronavirus 229E diverged sometime before 1960. [78]

  4. COVID-19 - Wikipedia

    en.wikipedia.org/wiki/COVID-19

    Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020 the disease spread worldwide, resulting in the COVID-19 pandemic . The symptoms of COVID‑19 can vary but often include fever, [ 7 ] fatigue, cough, breathing difficulties , loss of smell , and loss of taste .

  5. Ecosystem - Wikipedia

    en.wikipedia.org/wiki/Ecosystem

    An ecosystem (or ecological system) is a system formed by organisms in interaction with their environment. [2]: 458 The biotic and abiotic components are linked together through nutrient cycles and energy flows.

  6. Ecosystem service - Wikipedia

    en.wikipedia.org/wiki/Ecosystem_service

    An example of an ecosystem service is pollination, here by a honey bee on avocado crop.. Ecosystem services are the various benefits that humans derive from healthy ecosystems.

  7. COVID-19 pandemic in Puerto Rico - Wikipedia

    en.wikipedia.org/wiki/COVID-19_pandemic_in...

    The COVID-19 pandemic in Puerto Rico was an ongoing viral pandemic of coronavirus disease 2019 , a novel infectious disease caused by severe acute respiratory syndrome coronavirus 2 . It is part of the ongoing COVID-19 pandemic. Puerto Rico started addressing the risks of an outbreak in early 2020.

  8. Ecosystem-based management - Wikipedia

    en.wikipedia.org/wiki/Ecosystem-based_management

    The systemic origins of ecosystem-based management are rooted in the ecosystem management policy applied to the Great Lakes of North America in the late 1970s. The legislation created, the "Great Lakes Basin and the Great Lakes Water Quality Agreement of 1978", was based on the claim that "no park is an island", with the purpose to show how strict protection of the area is not the best method ...

  9. Urban ecosystem - Wikipedia

    en.wikipedia.org/wiki/Urban_ecosystem

    Urban ecology is a relatively new field. Because of this, the research that has been done in this field has yet to become extensive. While there is still plenty of time for growth in the research of this field, there are some key issues and biases within the current research that still need to be addressed.