Biomes Ivo R - Y9-Environmental-Management-SG

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Grassland: Ivan Romano

Location

The prairies of the Great Plains of North America, the pampas of South America, the veldt of South Africa, the steppes of Central Eurasia, and surrounding the deserts in Australia

Precipitation

About 500 to 900 mm of rain per year

Flora and fauna

Grasses (prairie clover, salvia, oats, wheat, barley, coneflowers). Giraffe, lion, zebra and elephant.

Other

Found on every continent except

Antarctica

Description

Grasslands are generally open and continuous, fairly flat areas of grass.

Climate

Some of the grasslands are tropical and some are dry grasslands.

Human impact

*25% of grasslands have disappeared because of people building power plants, cities, schools, roads, permanent homes (also known as urban development).

Taiga Ivan Romano location

Precipitation

200mm to 700mm

Flora and fauna

Most of the animals in this biome are mammals, such as moose, snowshoe hares, arctic fox, arctic wolves, squirrels, ermines, elk, deer, wolverines, moles, lynxes, and grizzly bears. There are birds, such as eagles, owls, peregrine falcons, snowy owls, and snow geese, and insects, such as mosquitoes, and ants.

The trees in the Taiga are mainly spruce, pine, and fir. The plants adapt to harsh weather in this environment, like icy and snowy winters. For example, the needles of the pine are very smooth to help keep water inside the dark casing. The spruce's cone like shape allows them to shed ice and sleet more efficiently. Berry bushes that thrive in this biome are blueberry, bilberry, and cowberry. Berry bushes are a vital food source for mammals, birds and some types of insects. Not very common trees that grow in the Taiga are birch, oak, willow, and alder. They live in particularly wet or disturbed areas.

Climate

Very cold on winter and very hot on summer

Human impact

Humans first impacted the taiga by hunting animals for food and other uses, as well as using water to drink and trees to build shelters. Even today this is true.

Logging mills were set up to more efficiently change trees into building materials, and have vastly reduced the amount of forested land. Hunting continues today, but mostly is just for sport. Pollution has damaged the forests and well, especially with acid rain that has ruined water sources and soil nutrients. As the human population expands constantly, people will have to use more and more land and more resources will be drawn from across the globe; the taiga will become home to many more people as the populations spread. Luckily, there are people trying to protect the land who may be able to preserve the taiga into the future.

Tundra Ivan Romano

Location

Flora and fauna

Arctic Tundra: Because the climate in the Tundra Biome is particularly inhospitable settings, the flowers found within the biome are very few. Within the

Arctic Biome, the majority of plants are mosses, grasses, lichens, sedges, and shrubs. Cotton grass is very common in this region. This vegetation has been able to adapt to its environment.

Alpine Tundra: The plants that grow within this Tundra Biome are called Alpine

Plants. It’s primarily consists of mosses, lichens, sedges, perennial grasses, and cushion plants. The most abundant plant is the Caribou moss.

Antarctic Tundra: Because the Arctic Tundra’s climate is very cold and dries, the region is primarily ice fields. Within the Antarctic Peninsula, the plants that grow there are aquatic and terrestrial, for example algae, liverworts, reindeer mosses, sedges, shrubs, pearlwort, hair grass, and lichens.

Arctic Tundra: Within the Arctic Tundra there are herds of reindeer, polar bears, foxes, wolves, migrating birds, and rabbits. There is only about 48 species, which is very large given their low biodiversity.

Alpine Tundra: The majority of the animals in this specific biome are goats, caribou, marmots, elks and pikas.

Antarctic Tundra: The Antarctic Tundra has several birds and sea animals. These animals include penguins, seals, and a variety of fish species that circulate this

Tundra region.

Precipitation

150mm to 250mm

Climate

Temperature from 40 to 18 °C

Human impacts Ivan Romano

Overhunting: Sailors overhunt musk oxen for the food and clothing.

Global Warming: Melting glaciers and permafrost flood areas and destroys plant species.

Oil Drilling: Tundra has many natural resources, like oil and nickel. Pollution from mines and rigs ruins the fragile ecosystem.

Overdevelopment: Many people are moving in to work in the mines and oil industry. Towns and roads are made for the increased population. Many of the animals’ migrations and feeding patterns are interrupted by developments.

Pollution: Air pollution reduces the ozone layer and exposes tundra to harmful ultraviolet rays, which affects plants and animals life negatively.

Savanna

Location

Flora and fauna

Savanna Plant Life: -Senegal Gum Acacia-Bermuda grass-Elephant Grass

Animals: African Elephant

African Wild Dog

Emu

Grant's Zebra

 Koala Bear

Lion

Nile Crocodile

Presipitation: 100mm to 150mm

Climate: from 20 to 30 °C

Human impacts: Ivan Romano

Negative

Humans haven caused a lot of changes to the landscape of and the animals in grasslands since a long time ago. Large areas of grassland have been turned into farmlands for growing crops and for rearing cattle. Sometimes, fires are started by human and they spread quickly through grasses and damage the soils. Moreover, a large number of animals have been hunted for their valuable body parts. For example, elephants were shot for their tusks, lions were killedfor their fur and bison were hunted for their meats. Also humans being in the grasslands increase the chance of fires.

Positive

There are very few, if any, positive human impacts of the Grassland Savanna. The reason of this is because there is not many things humans can do to help the biome besides leave it alone and let everything happen naturally because everything has adapted to survive and live on their own, and thats what they are doing and why human impact does not do many positives things.

Tropical rain forest:

Location:

Flora and fauna:

Ivan Romano

Plants: orchids, bengal bamboo and epifites.

Precipitation: 125 to 660 cm.

Climate:20 and 34 °C

Human impact: Environmental

 Extinction- Many species and populations live in the tropical rainforest. Currently, the world is losing 137 species a day due to deforestation, which totals up to 50,000 species per year.

 Habitat Loss- The reason that causes organisms to disappear is the fact that they lose their homes through deforestation. Territory conflicts occur, as well as a depletion of food supply.

 Social

 Many indigenous people live in rainforests. When they lose their homes due to deforestation, much culture goes with them as well.

Deforestation hurts them because their natural resources for their way of life are taken away.

Hot desert:

Ivan Romano

Flora and fauna: snakes, scorpion and lizards.

Cactus and palm trees.

Climate: Many mean annual temperatures range from 20-25° C. The extreme maximum ranges from 43.5-49° C. Minimum temperatures sometimes drop to -

18° C.

Precipitation: receives less than 1.5 cm a year.

Human impact: Humans have impacted the desert biome in that they have polluted the atmosphere. This affects all biomes, including the desert. People have also drilled for many fossil fuels, such as oil, in the desert. This causes pollution and is harmful to the animals living near the oil wells. Humans have also taken sand from the desert and hunted animals in the desert. Because of this, several species of animals in the desert have become endangered or even extinct.

Ivan Romano

Websites: http://www.ucmp.berkeley.edu/exhibits/biomes/grasslands.php

http://www.blueplanetbiomes.org/rainforest.htm

http://www.blueplanetbiomes.org/savanna.htm

http://www.blueplanetbiomes.org/desert.htm

http://www.blueplanetbiomes.org/desert.htm

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