While around 1.47 billion people live on the continent as of 2024, this is forecast to grow to 3.9 billion by 2100. This is underlined by the fact that most of the countries wit the highest population growth rate are found in Africa. The growing population, in combination with climate ...
Asia is the most populous continent on Earth; 11 of the 20 largest countries are located there. It leads the ranking of the global population by continent by far, reporting four times as many inhabitants as Africa. The Demographic Transition The population explosion over the past two centuries...
Choropleth Map Bubble Map +-Countries by population density (2024)Above 10k per sq km5k-10k per sq km1k-5k per sq km500-1k per sq km250-500 per sq km100-250 per sq km50-100 per sq kmBelow 50 per sq km Zoom level changed to 1...
Near the end of the Pleistocene (~11,700 years before present [BP]) at least 37 genera of megafauna (~80%) had disappeared from North America, and by as early as the late eighteenth century3,4 researchers were considering a human hand in the extinction of mammals in the continent. ...
The population is growing at a rate above average forsub-Saharan Africa. Thebirth rateis among the highest on the continent, but thedeath rateis also high, andlife expectancyfor both genders is significantly lower than the average for sub-Saharan Africa, primarily because of the incidence ofHIV...
The influx of European immigrants came first from the northern and central parts of the Continent and later from southern countries. The primary countries of origin are Italy, parts of the former Soviet Union (notably, Russia and Ukraine), Poland, Germany, Ireland, the United Kingdom, and ...
The dynamics of the continent-wide transition from Neolithic farmer ancestry to steppe-related ancestry also differ markedly between geographical regions. The contribution of local Neolithic ancestry to the incoming groups was high in eastern, western and southern Europe, reaching more than 50% on the...
Africa, a continent exceptionally rich in biodiversity, is rapidly urbanizing. Africa's urbanization is manifest in the growth of its megacities as well as... B Güneralp,S Lwasa,H Masundire,... - 《Environmental Research Letters》 被引量: 5发表: 2017年 Moving Unruly Contemporary Urbanism ...
Three foliar diseases threaten maize production on the continent, namely northern leaf blight, gray leaf spot, and southern corn leaf blight. These are caused by the fungi Exserohilum turcicum, Cercospora zeina, and Bipolaris maydis, respectively. Yield losses of more than ...
(e.g., pan-European seismic map65) and is suitable for baseline risk assessment of areas ranging from large urban areas to a whole continent. Notwithstanding, for operational disaster risk management (e.g., preparedness and response) or for hazards with very high local variance, a higher ...