[Ráfaga] Nº1574: sleep, ecoregions, cicadas

Jorge Sanz xurxosanz at gmail.com
Fri May 14 02:45:39 PDT 2021

Nº1574: sleep, ecoregions, cicadas

Fri, 14 May 2021 by Raf

* The sleeping hours European map, country by country, the active,
periodic and reversible biological state of loss of consciousness that
is critical for a healthy life


* Ecoregion allows to download in CC-BY 4.0 the data of the
terrestrial ecoregions of the world, the distribution of plants and
animals, the effects of the mountain ranges and other geographical and
climatic characteristics that determine "who lives where" in the
natural world


* Brood X is one of the largest (by geographical extension) spawning
of 17-year-old cicadas, which will begin to emerge approximately when
the soil at 20 cm underground reaches 17ºC temperature



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