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This is a list of countries and territories of the world according to the total area covered by forests, based on data published by the Food and Agriculture Organization of the United Nations (FAO). In 2010, the world had 3.92 billion hectares (ha) of tree cover, extending over 30% of its land area.
A megadiverse country is one of a group of nations that harbours the majority of Earth's species and high numbers of endemic species. Conservation International identified 17 megadiverse countries in 1998, [1] [2] all of which are located at least partially in tropical or subtropical regions. Megadiversity means exhibiting great biodiversity.
Alaska is the most biodiverse state with 15 ecoregions across three biomes in the same realm. California comes in a close second with 13 ecoregions across four biomes in the same realm. By contrast, Rhode Island is the least biodiverse with just one ecoregion—the Northeastern coastal forests —encompassing the entire state.
A biome (/ ˈ b aɪ. oʊ m /) is a distinct geographical region with specific climate, vegetation, and animal life. It consists of a biological community that has formed in response to its physical environment and regional climate. [1] [2] Biomes may span more than one continent. A biome encompasses multiple ecosystems within its boundaries
Each ecoregion is classified into one of 14 major habitat types, or biomes. In 2017 the WWF team revised ecosystem names and boundaries in the Arabian Peninsula, drier African regions, and Southeastern United States. [1]
The continent of Europe comprises a large part of the Palearctic ecozone, with many unique biomes and ecoregions. Biogeographically, Europe is tied closely to Siberia, commonly known as the Euro-Siberian region. The European Environmental Agency (EEA) divides Europe into a total of eleven terrestrial biogeographical regions and seven regional ...
Mediterranean forests, woodlands and scrub is a biome defined by the World Wide Fund for Nature. [1] The biome is generally characterized by dry summers and rainy winters, although in some areas rainfall may be uniform. Summers are typically hot in low-lying inland locations but can be cool near colder seas.
Veracruz is the most biodiverse state with 10 ecoregions across 5 biomes and 2 realms. Chiapas comes in a close second with 10 ecoregions across 4 biomes in the same realm. By contrast, Morelos is the least biodiverse state with just 2 ecoregions. [1]