Why mountain region is rich in biodiversity?
Biodiversity is high in mountain regions because of their wide range of habitats, varied micro-climates, and ecological conditions. These factors have resulted in a high degree of genetic diversity in terms of crop and livestock species and their wild relatives.
Do mountains have high biodiversity?
Mountains support about one quarter of world’s terrestrial biodiversity and include nearly half of the world’s biodiversity ‘hotspots’. Of the 20 plant species that supply 80 % of the world’s food, six originated in mountains.
How is biodiversity impacted by mountains?
Mountain regions are unusually biodiverse, with rich aggregations of small-ranged species that form centers of endemism. Mountains play an array of roles for Earth’s biodiversity and affect neighboring lowlands through biotic interchange, changes in regional climate, and nutrient runoff.
Which area is rich in biodiversity?
#1: Brazil. Brazil is the Earth’s biodiversity champion. Between the Amazon rainforest and Mata Atlantica forest, the woody savanna-like cerrado, the massive inland swamp known as the Pantanal, and a range of other terrestrial and aquatic ecosystems, Brazil leads the world in plant and amphibian species counts.
What is the meaning of mountain biodiversity?
Many mountain ecosystems are host to higher species richness and levels of endemism than adjacent lowlands. Mountains at lower altitudes can support exceptional biodiversity, due to compression of a wide range of ecosystems into a relatively short distance.
Why are mountains islands of biodiversity?
Uniquely heterogeneous mountain climates likely play a key role in generating and maintaining high diversity. … These geological processes, interacting with complex climate changes through time, provide ample opportunities for evolutionary processes to act.
Why are mountains diverse?
Mountains can differ substantially in the environment they provide, depending on factors such as bedrock, ruggedness, climatic conditions and the amount of energy available in the region.
Why do some regions of the world have high biodiversity?
There are at least three possible scenarios or “routes” that a region may follow to become a biodiversity hotspot: a region can have lots of species because it generates species at faster rates than nearby areas, or because they import species from their surroundings at faster rates (that is, they attract species), or …
What do you know about biodiversity?
Biodiversity is a term used to describe the enormous variety of life on Earth. … Biodiversity refers to every living thing, including plants, bacteria, animals, and humans. Scientists have estimated that there are around 8.7 million species of plants and animals in existence.
Why do tropical montane regions have high biodiversity?
We find that high levels of biodiversity in the Eastern Arc Mountains are the result of pre-Quaternary speciation processes and environmental stability.