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Map of the world's biodiversity hot spots, all of which are heavily threatened by habitat loss and degradation. A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation.
Earth's 25 terrestrial hot spots of biodiversity. These regions contain a high number of plant and animal species and have been subjected to high levels of habitat destruction by human activity, leading to biodiversity loss.
Most of the exponential human population growth worldwide is occurring in or close to biodiversity hotspots. [6] This may explain why human population density accounts for 87.9% of the variation in numbers of threatened species across 114 countries, providing indisputable evidence that people play the largest role in decreasing biodiversity. [18]
Hot spot on a Golden Retriever. Pyotraumatic dermatitis, also known as a hot spot or acute moist dermatitis, is a common infection of the skin surface of dogs, particularly those with thick or long coats. [1] It occurs following self-inflicted trauma of the skin. [1] Pyotraumatic dermatitis rarely affects cats. [1]
Although about 80 percent of humans' food supply comes from just 20 kinds of plants, [159] humans use at least 40,000 species. [160] Earth's surviving biodiversity provides resources for increasing the range of food and other products suitable for human use, although the present extinction rate shrinks that potential. [125]
The need for agricultural products has increased in recent years, with the expansion of both human populations and markets. This has contributed to widespread forest destruction; tree plantations (teak, rubber, oil palm) have replaced large areas of lowland forest, while coffee, tea, vegetable crops and sugarcane plantations threaten montane ...
His theory argued that animal patterns were not random, but rather a chemical reaction-diffusion process that systematically creates the spots on a leopard or stripes on a tiger, according to the ...
The California Floristic Province is one of the five biodiversity hotspots with Mediterranean climates, and it is characterized by hot, dry summers and cool, wet winters. Many parts of the coastal areas of this hotspot, being moderated by the ocean, experience cool summers due to the regular occurrence of ocean fog , which sustains redwood ...