LYCOS RETRIEVER
Rainforest: Rainforest Tree
built 634 days ago
Rainforests ... recycle their water! During the day, water in the rainforest evaporates and rises where it condenses and forms clouds above the trees. When enough water vapor collects in the clouds, it rains!
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The first thing that hits you when you step into the rainforest is the air. It's so heavy with oxygen and humidity that it is almost a tangible thing which just kind of envelops you. because in the heart of a primary rainforest little to no wind really makes in down below the unbroken green canopy of trees above you. The clean oxygen-filled air and the sheer magnitude of living things all around you sort of energizes you somehow. The vibrancy of life you feel flowing around you and through you resonates. but its like all of earth's core elements are there in an abundance that you've never experienced before that it can excite, overwhelm and energize you all at once.
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The rainforest is ... home to epiphytes. Epiphytes like orchids and some bromeliads don't grow in the soil. They hang from trees and get their nutrients from the moisture and dust in the air. The tropical rainforest is also home to nepenthes or pitcher plants. These are plants that grow in the soil. They have leaves that form a cup where moisture gathers.
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A tropical rainforest has more kinds of trees and other plant life than any other area of the world. Most trees in the tropical rainforest are broad leaf trees that grow closely together. The tallest trees may grow as tall as 200 feet. The tops, called crowns, form a covering of leaves about 100-150 feet above the ground. This cover is called the upper canopy. The crowns of the smaller trees form one or two lower canopies.
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Once an area of rainforest has been logged, even if it is given the rare chance to regrow, it can never become what it once was. The intricate ecosystem nature devised is lost forever. Only 1 to 2 percent of light at the top of a rainforest canopy manages to reach the forest floor below. Most times when timber is harvested, trees and other plants that have evolved over centuries to grow in the dark, humid environment below the canopy simply cannot live out in the open, and as a result, the plants and animals (that depend on the plants) of the original forest become extinct Even if only sections of land throughout an area are destroyed, these remnants change drastically. Birds and other animals cannot cross from one remnant of land to another in the canopy, so plants are not pollinated, seeds are not dispersed by the animals, and the plants around the edges are not surrounded by the high jungle humidity they need to grow properly. As a result, the remnants slowly become degraded and die. Rains come and wash away the thin topsoil that was previously protected by the canopy, and this barren, infertile land is vulnerable to erosion.
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The rainforest canopy is divided into four main layers: the emergent layer consists of the tallest trees (emergent trees) which can grow to heights of 70m. These trees act as a buffer, sheltering the lower trees from heavy rains. Beneath this layer is the main canopy of smaller trees which are intertwined with climbing vines and hold flowering plants, called epiphytes, on their branches. Below this is the understorey containing young saplings and shrubs. The final layer, the dark forest floor contains only a few plants as only 2% of the sunlight reaches this layer of the forest, making it difficult for plants to grow.
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