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Species Interactions

As the tropical rainforest is home to numerous plants, it is dependent on species interaction and symbiosis.

Species interaction:

-The infamous jaguar, recognized as the top of the food chain, preys upon may Amazonian animals, such as the capybara.

-Plant/herbivore:

-Mimicry:

Organisms of the

Tropical Rainforest

Symbiosis:

-An infamous parasite is the vampire bat, one of the two mammalian parasites

-Dysoxylum angustifolium feeds fish and gives poison to their scales as a mutualist exchange for seed dispersal.

-Epiphytes grown on the tall rainforest trees, a form of commensalism.

Rhamphastidae -

the Toucan

Population Dynamics

-Population growth of about 3700

-Density of 23 toucans per square mile

-Clustered into pairs or small flocks

-Growing population

Like all biomes, the

carries a food chain-

A simple food chain is:

Cecropia ->Aphididae -> Azteca andreae -> Rhamphastos sulfuratus -> Eunectes

Cecropia

Cecropia is one of the most populous plants of the Amazonian rainforest, and is a keystone food in many rainforest animal diets.

Population Dynamics

-Rapidly growing population

-Dioecious; distinct male/female plants

-Produces millions of seeds

-Around 30 year lifetime

-Fairly evenly dispersed

-Low density, just one of thousands of species

A unique Water Cycle ensures 100% rainfall to the forest.

-50% of water evapotranspirated.

-25% directly evaporated after caught by leaves.

-25% heads out to ocean, then evaporated.

This evaporated everything right to the forest to be rained back down again, unlike the 25% global.

This also means the Tropical Rainforest can get over 400 in. of rainfall!

The water cycle helps carry the biomass directly in the forest-

The Tropical Rainforest's

unique climate is wanted-

This makes up for the mere 3 in. of topsoil

compared to the 7 feet in temperate forests.

This unique cycle of carrying nutrients

directly in the forests lets some parts of

the Amazonian Rainforest to grow

over pure, white sand!

Mankind tears it down for economy:

-International logging

-Migrant cultivation

-Cattle pastures

-Fuelwood production

-Corporate farming

-Narcotics production

At a exponentially growing rate the has been up

to the size of the Kingdom of Nepal recently.

But much is lost...

-The Tropical Rainforest is unable to completely

regrow itself due to its unique cycle.

-Dozens of undiscovered species go extinct every day,

as well as the 10% of all species that live on the earth.

-The rich gene pool that started flowers on earth

among else is ruined.

-40% of the world's oxygen comes from the measly

6% of Tropical Rainforest.

The Tropical Rainforest's abiotic factors are unlike any other biome on Earth.

The Tropical Rainforest

is in danger...

The Tropical Rainforest

This has caused growing concern

The first step to the Rainforest Cycle is to be warm and wet-

But even as awareness for the rainforest grows, so

does the rate of deforestation.

Current rebuilding efforts are largely ignored.

The forests attempted to be rebuilt cannot match

the former, unique, biodiverse splendor of the

living cathedral.

Global Measures

-39 in. of rain annually

-78% humidity

-60 degrees (Fahrenheit)

Tropical Rainforest

-over 162 in. of Rain

-88% humidity

-80 degrees (Fahrenheit)

Chris Granquist

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