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Virgin Islands National Park
Transcript of Virgin Islands National Park
Virgin Islands National Park
40 miles East of Puerto Rico
Between the Caribbean Sea and Atlantic Ocean
Geographic Coordinates- 18 20'0"N, 64 44'0"W
Examples of others: parts of South America, Middle of Africa, South East Asia, and islands off the coast
South East Asia and Coast
Virgin Islands National Park!!
Oxygen/Carbon Dioxide Cycle
Nitrogen in atmosphere from soil
Plants absorb nitrates to get nitrogen
Nitrogen from decay and waste matter
Atlantic Ocean runs through the Virgin Islands, and is the saltiest body of water.
Water quality is increasing
Water is getting clearer
Dissolved nitrogen levels increasing
Dissolved phosphorus levels increasing
Polluted run off water can harm coral reefs
Energy, Geology, and Geography
Renewable/Nonrenewable Resources: Solar, Wind, Water, and Geothermal
Conduction: Sun warms the sand, sand then warm whatever it touches
Convection:hot water in ocean rises to the surface, cool water lowers to ocean floor
Radiation: Sun heats up entire island
Usually during June to November
Warm tropical water feeds energy for storm systems moving east to west across the Atlantic
Bring strong winds, powerful waves, and very high tides
Can cause flooding, erosion, and change islands ecosystem dramatically
Earthquakes and Tsunamis
Earthquakes occur regularly
Eastward shifting of Caribbean plate grinds with the westward moving North American plate
Quakes are usually too small for people to notice
VERY rarely cause tsunamis.
St. John was formed by violent underwater volcanic eruptions
Deposit slowly uplifted and became exposed
Climate System Data and Abiotic Factors
Soil Type: Different types of soil plus the effects of salt determine what plants grow in particular areas
Precipitation:Average 55 inches of rain per year
Temperature:Average is 79F. Dec.-April is low 70s to upper 80s. May-Nov. mid 80s to mid 90s
Light:Suns rises at 6:07 and sets at 6:25 year around with an hour of error time
Wind Patterns:Trade winds blow from east to west across the Atlantic.
Winter: Strong winds, less rain
Summer: Lots of rain, lighter wind
Organism Interactions and Energy Flow
Bat is only native animal
6 different species of bats
Over 50 types of coral species
Are major part of islands ecosystem, providing shelter and homes to many animals
- Sea Turtles
Virgin Islands have a very diverse plant life.
From moist forest...
Coastal mangroves and sea grass are major factors in supporting the marine ecosystems.
...to dry shrubland.
Bats and insects
Donkeys and grass
Deer and grass
Sharks and fish
Sea Turtles and fish
Cats and rodents
The only native species is the bat. There are six different types of bats and three of the six are protected under the V.I. Endangered and Indigenous Species Act of 1990. Some species have already gone extinct.
Dogs, Cats, Goats, Deer, Sheep, Donkeys, Mongoose and Pigs are all nonnative animals that were brought to the island. However, they all now play a major part to it.
Human Threats and Protection
Much of the island's land has not been built on. However, since the park is such a popular place to visit, there is a threat from development of privately owned land. If the park wants to expand it will have to risk the destruction of historical and beloved land the island has to offer
There are organizations such as "Friends of Virgin Islands National Park" that are created to help preserve and protect the parks natural and cultural resources.
Big Bend National Park- This park is a desert biome. While there are some plants that both of the parks may have in common big bend had plants and animals that can adapt to the hotter climate, whereas animals and plants such as goats and sea grass could not survive in Big Bend.
North Cascades National Park- This park is a Temperate Coniferous Forest. It is mostly cold year round. Marine life from my park could not survive here because there isn't an ocean. The North Cascades also has a much more diverse variability of animals than my park.
Everglades National Park- The Everglades are a humid tropical domain. Like the North Cascades, this park is home to animals that you would never see in my park. They both share a variability in birds. There are plants in the Everglades such as lichen that wouldn't thrive in my park.
Rocky Mountain National Park- This park is also home to many animals that would never be found in my park. Such as elk and mules. There are also plants like pine trees that would not grow in my park because of the difference in soil and climate qualities.