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Tropical rainforest Biome

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hannah held

on 12 October 2012

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Transcript of Tropical rainforest Biome

Hannah Held and Sarah Nobles Tropical rainforest Biome http://www2.needham.k12.ma.us/nhs/cur/Bio96_97/P3/TropicalRF/cgdb3.html Map of the Area The Tropical Rainforests contain many tall trees with straight trunks and smooth thin bark to protect them from water loss. There is year round warmth and very high humidity. The tree tops create a thick, multilayered canopy, which blocks the majority of light from reaching the forest floor. It looks very green with lots of vines and contains a lot of biodiversity. Description of Biome PLANT LIFE: Bamboo is found in rainforests worldwide. Banana trees, sugar cane, nutmeg and mace are found in the rainforests of Australasia Cassava, Chicle, Allspice, rubber, Cacao and vanilla are found in the rainforests of the Americas. Ginger, Black pepper, Jackfruit and Rattan are found in Indo-Malasian Rainforests. Cola and Ebony are found in African Rainforests. Plant Life Regions/ countries: The Main tropical rainforests are located in Africa, Indo-Malayan region (South and Southeast Asia), and the Neotropics. Works Cited "Rainforest Biomes." Rainforest Biomes. N.p., n.d. Web. 11 Oct. 2012. <http://www.blueplanetbiomes.org/rainforest.htm>. http://www.marietta.edu/~biol/biomes/troprain.htm Plant Adaptations PLANT ADAPTATIONS: Trees have smooth, thin bark due to the high humidity and this makes it difficult for plants to grow on their surface. Leaves have what's called a "drip tip", which they have formed to adapt to the extremely high rainfall. The drip tips allow water to run off the plants very quickly and avoid the growth of fungus and bacteria. Prop and stilt roots are above ground roots that help plants grow in wet and shallow soils. drip tips http://www.google.com/imgres?q=drip+tips&um=1&hl=en&client=safari&sa=N&rls=en&biw=1440&bih=838&tbm=isch&tbnid=NlRR1DNgBnhTmM:&imgrefurl=http://database.portal.modwest.com/item.php%3Ftable%3Dstra prop & stilt roots Animal Life ANIMAL LIFE: Animal life differs in rainforests throughout the world. In South American rainforest, animals/insects include the monarch butterfly, the morpho butterfly, jaguars, ocelots, sloths, howler monkeys, capybaras, eagles, puffbirds, poison arrow frogs and coral snakes. In Australian rainforests, animals/insects include the zodiac moth, the birdwing butterfly, tree kangaroos, sugar gliders, the carpet python, the eastern water dragon, the Australian king parrot, and the giant tree frog. Mammals/ insects in South East Asia rainforest include Saturn butterflies, fairy bluebirds, orangutans, gibbons and moon rats. Animals/ insects in West African rainforests include gorillas, chimpanzees, African Gray parrot and pygmy hippos. http://tidechaser.blogspot.com/2009/02/sungei-buloh-on-5-feb-2009.html "Tropical Rainforest Plants." Tropical Rainforest Plants. N.p., n.d. Web. 11 Oct. 2012. <http://www.mbgnet.net/sets/rforest/plants/index.htm>. Gorilla Animal Adaptations ANIMAL ADAPTATIONS: Over time, birds such as toucans and parrots have adapted large strong beaks able to crack tough nuts such as the Brazil nut whcih further expanded their food supply. Three-toed sloth uses camoflauge and slowness to hide from predators, Fungi grows on their fur which helps blend them into their surroiundings and they are able to move so slowly that predators cannot see them. "Rainforest Animals: Zoom Rainforests." Rainforest Animals: Zoom Rainforests. N.p., n.d. Web. 11 Oct. 2012. <http://www.enchantedlearning.com/subjects/rainforest/animals/Rfbiomeanimals.shtml>. keystone/endangered species Thge orungutan is highly endandangered in southeastern tropical rainforests because of habitat loss/ destruction (deforestation), and hunting and poaching for the wild animal trade. "ENDANGERED SPECIES IN THE RAINFOREST." Endanger Species In The Rainforest. N.p., n.d. Web. 11 Oct. 2012. <http://www.allaboutwildlife.com/endangered-species-in-the-rainforest>. Climate The basic abiotic factors of a tropical rainforest are rainfall, weather, humidity, and temperature/ sunlight, The average amount of precipitation for a tropical rainforest is about 250 cm per year with 77%-88% humidity. With a very steady temperature of 20-34 degrees celcius year round, it is easy for water to evaporate into the air causing lots of rainfall and humidity. "Abiotic Factors." Abiotic Factors. N.p., n.d. Web. 11 Oct. 2012. <http://info.rforests.tripod.com/abiotic_factors.htm>. Soil Wind Patterns Rainforests are affected by oceanic tropical air masses which flow out from the western sides of oceanic high-pressure cells. These air masses bring excessive rainfall in the summer which causes warmth and humidity. The soils of tropical rainforests are heavily leached and lack nutrients because it is very old and the excessive rainfall washes away many minerals. Also, sunlight can turn the soil into clay causing it to lose nutrients. The topsoil in tropical rainforests is only 1-2 inches deep and plants must store nutrients in themselves rather than receiving it from the soil. Limiting Factors Sunlight is a major limiting factor in tropical rainforests because beneath the thick canopy that the trees create, there is a low intensity of sunlight that plants must adapt to in order to survive. Water is another important limiting factor in tropical rainforests because rainforest plants need a large amount of water to survive and thrive in their environment, so when the season with the least amount of rainfall comes it can be a limiting factor to many plants. Nature.com. Nature Publishing Group, n.d. Web. 12 Oct. 2012. <http://www.nature.com/scitable/knowledge/library/terrestrial-biomes-13236757>. Works Cited Continued "[Biomes." ThinkQuest. Oracle Foundation, n.d. Web. 12 Oct. 2012. <http://library.thinkquest.org/C0113340/text/biomes/biomes.rainforest.soil.html>. "World Climates." World Climates. N.p., n.d. Web. 12 Oct. 2012. <http://www.blueplanetbiomes.org/climate.htm>. http://www.blueplanetbiomes.org/rainforest.htm http://blog.builddirect.com/greenbuilding/19_uses_bamboo/ http://lauriekendrick.wordpress.com/category/health/ http://www.fxdirectory.info/red-parrot-which-has-its-own-uniqueness-251.htm http://endlesscancun.blogspot.com/2011/01/jaguar-mexicos-big-cat.html http://www.answersingenesis.org/articles/arj/v2/n1/more-abundant-than-stars http://www.neprimatesanctuary.org/blog_letters_from_the_field_oneill_Aman.html http://theos.in/science/reason-for-high-rainfall-in-rainforests/ http://www.featurepics.com/online/Sunlight-Rainforest-1326082.aspx http://www.uci.edu/features/2009/04/feature_amazonsoil_090425.php http://www.ehow.com/info_8562729_types-wind-affect-rainforest.html Climograph http://outdoorschattanooga.com/tag/tropical-rainforest-climatogram Seasonal Patterns of Temperature and Precipitation Because the Tropical Rainforest climate zones are located near the equator, there are warm temperatures year round due to the direct sunlight, and high humidity as a result of consistent precipitation levels. The climate receives about 250 cm of rainfall a year, averaging about 4 inches per month. In addition, the average temperature is around 77 degrees Fahrenheit. This is due to the high levels of solar radiation annually. Tmperature and Precipitation Effects on Plants Trees make up the majority of the biome. Much of the precipitation never reaches the forest floor because the tallest trees (hundreds of feet) form a canopy that acts as a shield. As a result, The forest floor, also known as the understory, contains the smallest of plants that have adapted to the lack of water and grow accordingly. In addition, the layer between the canopy and understory is made up of medium sized trees that have adapted to their average amount of rainfall. Also, the plants in the biome have adapted to the warm temperatures and have learned to grow towards the scarce mount of sunlight they receive (at the bottom). As a result, the mosses and ferns grow on other plants at higher elevations in order to revive as much sunlight as possible. In conclusion, if a plant is tall, it has most likely received the most sunlight and rainfall and the plants in the bottom layer must learn to adapt to the small quantities remaining for them. Some specific, helpful plant adaptations include bark, which helps limit the evaporation from the trunks and helps contain the water, Buttresses, which provide extra stability for the trees with roots not as deep as most, and Lianas, which help plants striving for sunlight to climb high to fulfill their needs for the limited resource. Because of the many layers in the Tropical rainforest Biome, there are over 15 million different species living in its different parts.The annual warm temperatures and the varying levels of precipitation make the biome a good home for many organisms. Due to their adaptations to the warmth, they can't survive any cold temperatures. The animals may go anywhere in the multi-layered forest to fullfill their needs for food and shelter. In order to avoid the many predators that share their biome, organisms may adapt camouflage to the green colors of the forests, or simply adapt better beaks more suitable for quick eating due to the high levels of competition. Temperature and Precipitation Effects on Animals
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