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Tropical Rainforests

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by

Emma Brant

on 26 January 2014

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Transcript of Tropical Rainforests

Abiotic Features:
Biotic Factors:
The 4 layers of the Tropical forest
Tropical Rainforests
Emma B., Kyra L., and Genesis R.
The rainforests contain about half of the world's species

Near equator= lots of direct sunlight
Climate: Humid, hot, wet, rainy
Wet and Dry Season (short dry season)
Animals:
Plants:
Fungi:
Microorganisms:
Animals
Plants
Fungi
Microorganisms
Diana Monkey
Man Drill
Poison Dart Frog
Ring-tailed Lemur
2-toed sloth
Scarlet macaw

Venus fly trap
Orchids
Kapok tree
Coconut tree
Jambu (fruit)
Jelly fungus
Coral fungus
Cup fungus
Stinkhorn fungus
Organ pipe fungus
Actinomycetes
Mycorrhizae
Acidophilic bacteria
Protists
Emergent: 100 to 240 feet tall trees, receive most sunlight

Upper Canopy: 60 to 130 foot tall trees, home to 90% of rainforest organisms, epiphytes plants often grow on branches of trees

Understory: 60 foot tall trees, dark place, contains young trees and leafy herbaceous plants

Forest Floor: usually completely shaded, receives less than 2% of light = little grows there, contains thin layer of leaves, seed, branches, fruits, etc.
Coconut Tree
Insects
Red-eyed tree frog
Jaguar
Primary Producers
Primary Consumer
Biomass Pyramid:
Secondary Consumer
Tertiary Consumer
Sun
http://info.rforests.tripod.com/biotic_factors.htm
Slime Mold
(Decomposer)
http://www.world-builders.org/lessons/less/biomes/rainforest/tropi_rain/rainweb.html
http://rainforests.pwnet.org/pdf/Food_chain.pdf
Coconut Tree
Insects
Red-eyed tree frog
Jaguar
http://www.oregonwild.org/oregon_forests/old_growth_protection/forests-global-warming/global-warming-report/Carbon_cycle_diagram.jpg/image_preview
Soil: moist, thin topsoil; low in nutrients
Wind: light (3-7 mph)
Water: Rivers and waterfalls
http://science.opposingviews.com/wind-speeds-tropical-rainforest-23367.html
Temperature: 68-93 degrees Fahrenheit
Precipitation: 200-400 cm
Air: Humidity 77-88%
Land Masses:
Mountains
Plains
River valleys
http://bioexpedition.com/tropical-rainforest-biome/
Darien National Park, Panama
Amazon River
https://sites.google.com/site/vivianstropicalrainforest/
Natural Disasters:
Floods
Forest fires
Droughts
Land slides
Amazon Rainforest
Animal Adaptations:
Uses bright colors to warn animals that it is poisonous
Green algae grows in their fur for camoflogue
http://www.kidcyber.com.au/topics/biomerainfor4.htm
Uses big, strong beaks to crack hard shells of Brazil nuts
Primary Producers
Primary Consumers
Secondary Consumers
Tertiary Consumers
Bamboo
Monkey
Python
Banana Tree
Fruit Bat
Coconut Tree
Insects
Red-eyed tree frog
Jaguar
Bamboo
Monkey
Banana Tree
Fruit Bat
If a tertiary consumer, such as the python were removed from the food web, the fruit bat population would flourish without having a predator to eat them. Also, the monkey would only be eaten by jaguars, thus allowing there to be a greater amount of their species. This would lead to a larger population of these primary consumers. In addition, the Jaguar would have less competition for meals, thus having an excess of animals to choose to eat from.
Coconut Tree
Insects
Red-eyed tree frog
Jaguar
Bamboo
Monkey
Python
Banana Tree
Fruit Bat
Harpy Eagle
(Gives energy to producers to undergo photosynthesis)
Emma
Works Cited:
http://biomesfirst.wikispaces.com/Tropical+Rainforest+Food+Web
Types of trees
Bamboo
Mahogany
Teak
Palm
Fig
Kapok
Vegetation in the tropical rainforest has adapted because now trees are able to grow tall and strong because they have wide buttress roots to support them Lianas(vine) wraps around trees and grows to reach the sunlight. Also, most trees have waxy leaves that have drip tips to help leaves not rot. This also helps water reach the roots on the forest floor. The stems of these leaves are flexible and move with the sun to increase photosynthesis.
http://www.geography.learnontheinternet.co.uk/topics/rainforest.html
Human Impacts
One way humans impact the tropical forest is by logging. This is the primary reason for deconstruction in South East Asia and Africa. This allows people to enter the land that is home to animals and plants. 75% of land that is cleared by peasant farmers in Africa is land that has been previously logged.
Another way is that due to 3 million people in Brazil being landless, the government offers them to move into the Amazon after they cleared the land. These people then try to farm, but it's unsuccessful because year after year they farm and the soil becomes infertile causing no growth.
Because of deforestation, wild animals lose their natural habitats. This can cause loss of food and water sources, making the animals more vulnerable to hunters and poachers.
Animals lose their homes when land is cleared for sustenance farming. Rainforest soil quickly loses nutrients after being cleared, therefore resulting in more land being cleared, taking away animal habitats and leading them to extinction.
Tourists are told to drink only bottled water and many natives of Brazil prefer to use these bottles as well. Due to this, the rivers and land of the forest have become littered with plastic bottles and trash.
Biomagnification:
If another Tertiary Consumer was added to the food web, such as a Harpy Eagle, the animals below it would suffer, along with it's fellow predators. Animals such as monkeys and fruit bats would have fewer in their population because there is yet another predator to eat their species. Also, the jaguar and python would have more competition for their prey now that the Eagle would eat a part of their supply.
http://addiesrainforest.weebly.com/carnivores.html
Monkeys
Jaguar
Bamboo Bracket Fungus
(Decomposer)
Returns nutrients to soil
In Conclusion...
10% loss of energy
10% loss of energy
10% loss of energy
Coral Fungi
Banana Trees
Fruit Bats
Python
As animals are eaten by consumers on the food chain, the toxins from pollutants travel with them. The amount of poison in the web is the same, but since there are less animals as you go up, the concentration of the toxins increase. This leads to the substances being more harmful to the apex consumers.
(Decomposer)
Vegetation:
Liana Vine
Teak Tree
Fig Tree
Bamboo
returns nutrients to the soil
The abiotic features of the tropical rainforest affect the biotic factors because without sunlight, plants can't undergo photosynthesis. If plants don't grow, then herbivores can't feed on anything, causing them to die. And finally, the carnivores would have no Herbivores to feed off of. This would then lead to not having a food chain because plants would affect the animals at each tropic level.

In addition, if water isn't available in the water cycle, the plants wouldn't be able to take in the water they need to grow. Also, the nitrogen cycle provides nitrogen that the plants are able to fixate and use for energy. And finally, the carbon cycle gives the plants carbon dioxide to help them undergo photosynthesis. Also, then plants can't fixate carbon dioxide and turn it into oxygen for humans. All this links back to the primary producers of the food chain needing these vital elements to grow and provide food for the consumers.
Example: gold mining resulting in mercury pollution (near the Amazon River)
Tertiary Consumers
10% loss of energy
Tertiary Consumers
10% loss of energy
Secondary Consumers
10% loss of energy
Secondary Consumers
10% loss of energy
Primary Consumers
10% loss of energy
Primary Consumers
10% loss of energy
Primary Producers
Primary Producers
Sun
(Gives energy to producers to undergo photosynthesis)
Sun
(Gives energy to producers to undergo photosynthesis)
Sun
(Gives energy to producers to undergo photosynthesis)
Kyra
Genesis
Slime Mold
Bracket Fungi
Coral Fungi
Slime Mold
Bracket Fungi
Coral Fungi
Slime Mold
Bracket Fungi
Coral Fungi
Decomposers
Decomposers
Decomposers
Returns nutrients to soil
Returns nutrients to soil
Returns nutrients to soil
10% loss of energy
10% loss of energy
10% loss of energy
The Water Cycle
Nitrogen Cycle
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