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Tropical Rainforest Biome
Transcript of Tropical Rainforest Biome
Linh Hoang Tropical Rainforests What is a Tropical Rainforest? Plants Structure The tropical rain forest is a forest of tall trees that enjoys year-round warmth and an average of 250cm to 450cm inches of rain fall each year.
The temperature in a rain forest rarely gets higher than 33.9 °F or below 18.9 °F ; average humidity is between 77 - 88%. There is usually a brief season of less rain. In monsoonal areas, there is a real dry season. Almost all rain forests lie near the equator.
The rain forest is arguably the most important biome of all. It is estimated to contain more than half of the world's plant and animal species on a rapidly shrinking 6% of the Earth's land surface. Animals Avocado
Clove The tropical rainforest is able to contain such a rich variety of life because of its four distinct tree layers: emergent, upper canopy, understory, and forest floor . Coconut Tree
Venus fly Trap Emergent Canopy Understory Forest Floor Africa Forest Elephant
African Gray Parrot
Australian King Parrot
Common Palm Civet
Four Eyed Sloth
Golden Lion Tamarin Howler Monkey
Jambu Fruit Dove
Minot's Lesser Ape
Painted Tree Frog
Rand Viper Red shanked Douc
Three Toed Sloth
Two Toed Sloth
Waglers The Canopy layer is the primary layer of the forest and forms a roof over the two remaining layers. The branches are often densely covered with other plants (epiphytes) and tied together with vines (lianas).
The canopy is home to 90% of the organisms found in the rain forest, mainly because there is so much food, and it is lit. The Emergent Layer has trees stretching 200 feet above the forest floor with trunks that measure up to 16 feet around. Most of these trees are broad-leaved, hardwood evergreens, and while they enjoy the greatest amount of sunlight, must also endure high temperatures, low humidity, and strong winds. The understory receives only 2-15% of the light (most of it blocked out by the canopy), and only has plants that are adapted to such low lights (such as many household plants). The plants in this area seldom grow up to 12 feet. On the forest floor, there isn't much light. Because of this, things begin to decay quickly. A leaf that might take one year to decompose in a regular climate will disappear in 6 weeks. Invasive species Transpiration Each canopy tree transpires some 200 gallons of water annually, translating to roughly 20,000 gallons of water transpired into the atmosphere for every acre of canopy trees.
Large rainforests contribute to the formation of rain clouds, and generate as much as 75 percent of their own rain. Understory The understory receives only 2-15% of the light (most of it blocked out by the canopy), and only has plants that are adapted to such low lights (such as many household plants). The plants in this area seldom grow up to 12 feet. Pollution T Keystone Species Central American Rainforest
In some areas they have an important role in regulating the opossum populations, preventing the potential transmission of leishmaniasis to humans
South American Rainforest
It is a keystone species, playing an important role in stabilizing ecosystems and regulating the populations of the animals it hunts.
Central African Rainforest
The Nile crocodile is the top predator in its environment, and is responsible for checking the population of species such as the barbel catfish, a predator that can overeat fish populations on which other species, like birds, depend. The Nile crocodile also consumes dead animals that would otherwise pollute the waters
Southeast Asian Rainforest
Eats plants such as water hyacinth which are a major problem in some tropical valleys, and water buffaloes may help to keep waterways clear. An invasive species is one that is not natural to a biome and thus messes up the biome's balance by having no natural predators and out competing native species.
Knotweeds Due to Deforestation of Tropical Rainforests which of these is occurring A) Increase in Global Warming
D)Reducing availability of non-renewable resources
E)Both A & B Which of these is considered a secondary consumer in the Tropical Rainforest Biome? A)Protozoans
E)All of the above The Nile Crocodile is a _____ _____ of the Central American Rainforest. The Golden Lion Tamarin would mainly live in which of the four layers? A)Emergent
E)All of the above Leaf > Ant > Toucan > Panther