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Biodiversity Hotspot: Tropical Andes
Transcript of Biodiversity Hotspot: Tropical Andes
* Tropical Rainforest
*snow-capped peaks/ The Andes mountain range
* Isolated valleys
The Tropical Andes is home to the world's largest gorge; 3,223 meter deep Canon del Colca. as well as the world’s largest navigable lake: Lake Titicaca Due to it's unique global position, the Tropical Andes contain many differnt climates; certain areas may be dry and cold, while others may be humid. This allowes for many differnt biomes within this biological hotspot. Limiting Factors: *Amount of rainfall within the tropical rainforests
*Significant terrain variation (elevation of the mountain range)
*Amount of sunlight recieved by each biome
Colombia: *Tropical rainforest
* "Cloud forest" Ecuador: *Tropical climate
(dry season in winter) Peru: *Tropical Climate
*Dry climate Bolivia: *Dry, hot, desert climate Chile: * 2 climates
* Dry & hot in summer months
* Warm temps. precipitaion in all months Argentina: * Dry & cold
* Dry winter season Food Chain: Human Impact: Cloud forest Biomes are diminished by... * Deforestation for road building
* Deforestation for dam building
* The degradation of the habitat for agricultural uses
& the fuelwood industry Rivers & streams are... * Polluted and therefore threaten the plant and animal species within the Tropical Andes Endangered Species: * Andean spectacled bear
(Tremarctos ornatus) * Yellow-Tailed Woolly Monkey
(Lagothrix flavicauda) * Toucan Barbets
(Semnornis ramphastinus) Major causes that lead to the extinction or endangerment of species in the
Tropical Andes are the loss of natural capital of those species, as well as hunting/human predation. Conservation: Conservation International & Birdlife International in Co-op * Target areas of high bird biodiversity to determine other areas where the biome is experiencing loss of endemic species
* Conserve these "key biodiversity areas", by designating them as protected areas Global Conservation Fund * Invested approximately $1.3 million to create about 30,000 square kilometers of protected area within the Tropical Andes. Advantages * Approximately 50% of these species are not found anywhere else on earth but in the Tropical Andes
* It is home to about 10% of the earth’s species
* A large amount of medicines as well as everyday objects we use come from rainforests such as those of the Tropical Andes
* The plants and trees from the cloud forests and other parts of this biome provide earth with a very high amount of oxygen Degradation: * Less than 10% of the original habitat of tropical Andean valleys remain today
* that less than 25% of the vegetation of the Tropical Andes remains
* Global climate change is leading to glacial recession within the Andes mountains
These effects are a result of...
*agriculture, industrialization, and the collection of fuel wood that have damaged the puna and paramo biomes of the Tropical Andes.