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Tropical Dry Forest

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Maggie McCurren

on 26 October 2012

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Transcript of Tropical Dry Forest

Tropical Dry Forest By: Maggie McCurren, Sara Jacobson, Mitch Wilkinson, Jake Romanyk Overview of Biome Climatogram The natural recycling of the leaves from the trees help to keep the soil good and rich. Without the natural recycling due to deforestation, the soil becomes loose and washes away during the rainy season because the trees aren't there to hold it together. Soil Type Food Web Tropical Dry Forest Tropical dry forests are home to a wide variety of wildlife including monkeys, deer, large cats, parrots, various rodents, and ground-dwelling birds. Animals They eat almost everything including: rabbits, rodents, fish, frogs, and even deer
They form packs for more effective hunting. Coyote Naked Indian Tree Plants Rich soil is subject to erosion Key Points of Soil Type Most Acacia trees have short lifespans of 15 to 30 years Acacia Tree The tropical dry forest biome can be found along the tropic and subtropic latitudes. Tropical dry forests have warm climates and will only receive several hundred centimeters of rainfall every year. In this biome there is a long dry season. This dry season starts in the summer and it can be as long as six months.

Many of the plants and animals that can be found in the biome have adapted to the extreme conditions. Trees such as teak shed their leaves so that they conserve water during the dry season. Animals such as burrowing toad burrows underground during the dry season, so that it is protected from the exterior dehydration and heat and comes out when the dry season is over. Geographic Distribution Tropical dry forests are located in India, Indochina, Western Africa, Southern Africa, South and Central America, and Northern Australia World Map Climate The climate of a tropical dry forest is seasonal and tropical The average temperature is over 65 degrees Farenheit The average rainfall is 40-100 inches per year Wet and dry seasons alternate Symbiotic Relationships Mutualism occurs between the acacia plant and the acacia ant. The ants chew a small hole into the thorn of the plant. This becomes the ants' shelter. The plant supplies the ant with nectar. The ants provide protection for the plant because of their ability to sting or bite herbivores that could potentially feed on the plant. Mutualism Symbiotic Relationships Commensalism Commensalism is seen between epiphytes and other sturdier plants.

Epiphytes perch on sturdier plants in order to be exposed to more sunlight. They do not take nutrients or water from the other plant, so the other plant is unaffected. Symbiotic Relationships Parasitism Parasitism occurs between sycamore lace bugs and sycamore trees. The lace bugs often feed off the same tree, causing the tree to defoliate. This leads to the death of the tree. Human Influence Deforestation: While humans deplete the forest and it's resources, the vegetation is being destroyed Many of these animals are very adaptable to the difficult climate. Biomass tends to be higher in dry forests than in rain forests. Tropical Dry Forest As habitat loss continues, so does the number and variety of animals, causing a reduction in overall biodiversity Hunting as negatively effected the biome, Tigers, wild cats, and other animals have been hunted to near extinction Human Influence This biome is also being cleared away because it is a desired place to live Pollution is also a problem, coming from mainly mining. Fires severely harm the biome, especially during the dry seasons Bombay, India Soil water shortage in dry seasons Give birth to litters of three to twelve pups Coyote They communicate with a distinctive call Coyotes are smaller than wolves Whiptail Lizard Prey may be detected visually or by smell. This strategy is known as widely ranging predation

Whiptails seem to travel faster when in the open, relying primarily on vision to detect prey Forage actively Harpy Eagles Harpy Eagles are found in tropical lowland forests from southeastern Mexico to northern Argentina and southern Brazil. Prefers large expanses of uninterrupted forest, but will hunt in open areas adjacent to forest patches.

Feed primarily on animals that live in the trees, like sloths, monkeys, opossums, and some reptiles and birds Characteristics of the trees bark and color It flowers from February until March and the flowers are in groups that are green to yellowish When the tree loses its reddish bark, it is replaceable with a new one Works Cited
"Ceiba Foundation - Dry Forest Ecology." Ceiba Foundation - Dry Forest Ecology. N.p., n.d. Web. 16 Oct. 2012. <http://www.ceiba.org/loorecology.htm>.

"Climate:." Tropical Seasonal Forest. N.p., n.d. Web. 16 Oct. 2012. <http://www.marietta.edu/~biol/biomes/tropdry.htm>.

"Subtropical/Tropical Dry Forest Animals." Subtropical/Tropical Dry Forest Animals. N.p., n.d. Web. 16 Oct. 2012. <http://thewebsiteofeverything.com/habitats/Subtropical_Tropical_Dry_forest.html>.

"Tropical and Subtropical Dry Broadleaf Forest Ecoregions." WWF. N.p., n.d. Web. 16 Oct. 2012. <http://wwf.panda.org/about_our_earth/ecoregions/about/habitat_types/selecting_terrestrial_ecoregions/habitat02.cfm>.

"Tropical Dry Forest of Costa Rica." Tropical Dry Forest, Guanacaste, Costa Rica. Tropical Dry Forest Animals. N.p., n.d. Web. 16 Oct. 2012. <http://www.costarica21.com/Tropical-Dry-Forest.html>.

"Tropical Dry Forest." ThinkQuest. Oracle Foundation, n.d. Web. 16 Oct.2012. <http://library.thinkquest.org/11353/tdforest.htm>.

"Tropical Dry Forest." - University of Puget Sound. Puget Sound, n.d. Web. 23 Oct. 2012. <http://www.pugetsound.edu/academics/academic-resources/slater-museum/biodiversity-resources/world-biomes/characteristics-of-bioclimatic/tropical-dry-forest/>.

"Saving Forests". Tropical Dry Forest, 5 July 2006. Web. 23 Oct. 2012. <http://www.conservation.org/learn/climate/forests/Pages/overview.aspx?gclid=CNSo5uiqmLMCFYs7MgodVzYAFw>. Acacia produces a dry seedpod as its fruit They tend to grow quickly and can reach heights in excess of 40 feet Agave Agaves store water and nutrients similar to cacti The agave americana plant takes several years to store the water and nutrients needed to produce flowers Some are cultivated for use in the manufacture of tequila Some agave are garden plants, some are spiked or have spines MRS TRENT WE LOVE YOU :) Inter specific Competition Example is trees and other plants fighting for water, sunlight, and nutrients. Another example would be the squirrels and other rodents competing for food to store for the winter. Agave Plant Acacia Plant Acacia Ant Epiphytes Sycamore lace bug Sycamore Leaf Result of Parasitism Naked Indian Tree Acacia Tree Human Influence Utilizing heavy machinery
Introduction of exotic plant species
Clear cutting of bush lands
Possible Solutions Establishments of National Parks, such as Santa Rosa in Coast Rica Ecotourism increases revenue that goes toward protecting topical dry forests and creating reserves
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