To qualify as a biodiversity hotspot, a region must meet two strict criteria: It must have at least 1,500 vascular plants as endemics — which is to say, it must have a high percentage of plant life found nowhere else on the planet. A hotspot, in other words, is irreplaceable. … In other words, it must be threatened.
Why might a region be considered a biodiversity hotspot quizlet?
What is a biodiversity hotspot? Certain areas have large numbers of endemic species — those found nowhere else. … These areas are the biodiversity hotspots, 35 regions where success in conserving species can have an enormous impact in securing our global biodiversity. You just studied 5 terms!
How does a region qualify as a biodiversity hotspot?
To be classified as a biodiversity hotspot, a region must have lost at least 70 percent of its original natural vegetation, usually due to human activity. There are over 30 recognized biodiversity hotspots in the world.
What are biodiversity hotspot regions?
A biodiversity hotspot is a biogeographic region that is both a significant reservoir of biodiversity and is threatened with destruction. The term biodiversity hotspot specifically refers to 25 biologically rich areas around the world that have lost at least 70 percent of their original habitat.
What is a biodiversity hotspot and why are they important?
Many areas within the tropical zones are considered biodiversity hotspots and are home to the world’s most rare and endangered species. Whether we are talking about mountain ranges, islands, or tropical forests, the impressive diversity of life in these areas makes them important places to protect and study.
What is the biodiversity hotspot quizlet?
biodiversity hotspot. a large-scale area of biological and conservation importance that has over 1,500 species of endemic plants and has also lost over 70% of its original habitat.
Which of the following areas would be considered a biodiversity hot spot?
In India four hotspots are present namely, Himalayas, Western Ghats, Indo-Burman region and Sundaland which consists of Nicobar group of Islands. So, the correct answer is option “C” that is the Western Ghats are considered a hot-spot of biodiversity in India.
Why is the Philippines considered as biodiversity hotspot?
Philippines: A Biodiversity Hotspot
It is considered to be a mega – diversity country because of the exceptional diversity in ecosystems, species and genetic resources found within its 7,100 island territory. … The overexploitation of natural resources, reduced the forests to an alarming 24% from its original cover.
What is biodiversity hotspot Why is India considered?
An area is known as a hotspot if it contains at least 0.5 per cent of endemic plant species. India is considered a mega-diversity hotspot due to the great diversity of organisms found here, ranging from eastern to western ghats to northern and southern India as well. Mainly Western ghats are now at high risk.
What are the criteria for defining a biodiversity hot spot which are the hotspots found in India discuss their salient features?
According to Conservation International, a region must fulfill the following two criteria to qualify as a hotspot:
- The region should have at least 1500 species of vascular plants i.e., it should have a high degree of endemism.
- It must contain 30% (or less) of its original habitat, i.e. it must be threatened.
What do u mean by biodiversity hotspot?
A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation. … Biodiversity hotspots host their diverse ecosystems on just 2.4% of the planet’s surface, however, the area defined as hotspots covers a much larger proportion of the land.
What is biodiversity hotspot example?
Biodiversity hotspots are regions that are both biologically fertile (rich distribution of plants and animals) and highly threatened. … Examples of biodiversity hotspots are forest habitats as they constantly face destruction and degradation due to illegal logging, pollution and deforestation.
What is biodiversity hotspot give example?
A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened with destruction. For example forests are considered as biodiversity hotspots.