powerpoint de internet

MAJOR TYPES OF ECOSYSTEMS

TERRESTRIAL ECOSYSTEMS

AQUATIC ECOSYSTEMS

Francisco Javier Jareño Ramirez

TERRESTRIAL ECOSYSTEMSA terrestrial ecosystem is an

ecosystem found only on landforms. Six primary terrestrial ecosystems

exist:• tundra, • taiga, • temperate deciduous forest, • tropical rain forest, • grassland; and • desert.

TUNDRA An ecosystem situated near the

North Pole in the Arctic Circle; thus, the coldest and driest of all terrestrial ecosystems.

Winters are extremely cold with temperatures typically below -34° C. The summers last only about two months and the temperatures are still very cold ranging from 3° to 12° C.

TUNDRA The word tundra comes from the

Finnish word tunturia which means treeless land.

There are two types of tundra - arctic tundra and alpine tundra. The arctic tundra is located within the Arctic Circle while the alpine tundra is the area high in the mountains above trees.

The largest animal that lives in the tundra ecosystem is the polar bear.

TUNDRA

Arctic Tundra Alpine Tundra

Ms. Catherine T. Añano (Fulltime Lecturer)

Tundra in the Arctic National Wildlife Refuge, Alaska.


Polar bears

Tundra AnimalsBeetle

Long-tailed weasel

TAIGA The largest terrestrial ecosystem and

extends across Europe, North America and Asia.

It is also known as coniferous forest or boreal forest.

It has short, wet summers and long, cold winters. It gets plenty of snow during the winter and plenty of rainfall during the summer.



Taiga

TEMPERATE DECIDUOUS FOREST It experiences all four seasons-

winter, spring, summer, and fall. The four seasons are easily

recognizable and each lasts about 3 months.

It is located in the United States, Canada, Europe, China, Japan and some parts of Russia.

Its soil is very fertile and rich with nutrients.


TEMPERATE DECIDUOUS FOREST Black bears and wolves are very

common animals that live in the temperate deciduous forest ecosystem.

The growing season of the temperate deciduous forest lasts about six months.

The leaves of deciduous trees change color in the fall because the plant or tree stops producing chlorophyll which is what gives them their green color.


TROPICAL RAIN FOREST An ecosystem that covers about 7% of

the Earth’s surface. Majority of the tropical rain forests lies

in South America in Brazil. Tropical rainforests are one of the

oldest ecosystems on Earth. It is responsible for the majority of the

oxygen production in the air that we breathe.



Amazon Rainforest

GRASSLAND Grasslands are also known as prairies

and savannas. Grasslands are normally situated

between a forest and a desert. In fact, grasslands surround every desert in Asia.

Twenty-five percent of the Earth is covered by the grassland ecosystem.

There is a grassland on each continent with the exception of Antarctica.


GRASSLAND Tropical and temperate are the two

kinds of grasslands. Tropical grasslands experience warm weather all year long while temperate grasslands are warm part of the year and very cold during the other part.

Grasslands are perfect for cropping and pasturing because its soil runs deep and is extremely fertile.


GRASSLAND Tropical grasslands are located in the

Southern Hemisphere while temperate grasslands are located in the Northern Hemisphere.

Animals that you can expect to find in a grassland ecosystem are zebras, lions, wolves, prairie dogs, and foxes.

The grasslands in the United States are known as prairies and are considered to be temperate grasslands.



A grassland west of Coalinga, California.


Savanna in the Samburu Game Preserve, Kenya.


Colorado prairie

DESERT Deserts cover about 20% of the Earth. The Sahara Desert is the largest desert in

the desert ecosystem. It covers over 300 million square miles.

Many desert animals tend to be nocturnal, sleeping during the day and coming out at night when the temperatures are more tolerable.

Because there is hardly any standing water in the desert, animals either store water in their bodies or get their water needs met by the foods they eat. Ms. Catherine T. Añano

(Fulltime Lecturer)

DESERT Dust storms occur when the wind picks

up dust from the surface. These storms can be up to 1 mile high and travel over a hundred miles.

The desert ecosystem can be found on every continent except Europe.

Because body fat retains heat, most desert animals have an adaptation that allows them to store all their body fat in one area of their body. The camel stores all its body fat in its hump.Ms. Catherine T. Añano

(Fulltime Lecturer)

DESERT The plants that are able to grow in the

desert biome store water in their stem. They normally grow spaced out so that their roots can extend and find water.

Cacti have many adaptions to survive in the desert. Their spines protect them from being eaten by animals and their waxy outer covering keeps moisture from escaping.



Sahara Desert

AQUATIC ECOSYSTEMS

An aquatic ecosystem is an ecosystem located in a body of water.

Two major aquatic ecosystems exist:• Marine ecosystem; and• Freshwater ecosystem


MARINE ECOSYSTEMS The largest ecosystem with coverage

of nearly 71% of the Earth’s surface and containing 97% of the planet’s water.

The water in marine ecosystems has salts and minerals dissolved in them in high amounts.

There are two common and major types of marine ecosystems: ocean and coral reef ecosystems.


OCEAN There are five ocean ecosystems -

Atlantic Ocean, Pacific Ocean, Indian Ocean, Southern Ocean, and the Arctic Ocean.

At 36, 200 feet deep, the Mariana Trench is the deepest part of the ocean ecosystem.

The largest ocean of the ocean ecosystems is the Pacific Ocean.

The ocean ecosystem is home to the largest known mammal of the world = the blue whale.



Atlantic Ocean

CORAL REEF It is located in a shallow, clear portion

of the ocean in mostly tropical areas. These areas include the coasts of East Africa, South India, Australia, Florida, the Caribbean, and Brazil.

The Great Barrier Reef is the largest coral reef ecosystem and is located in Australia. It can actually be seen from outer space.

The Great Barrier Reef covers more than 1,200 miles and contains 400 species of coral. Ms. Catherine T. Añano

(Fulltime Lecturer)

FRESHWATER ECOSYSTEMS Covers only 0.8% of the

Earth’s surface and contain 0.009% of its total water.

There are two basic types of freshwater ecosystems: lentic, and lotic.


LENTIC ECOSYSTEMS Lentic ecosystems are also

called standing waters. It includes lakes, ponds,

swamps, marshes, and vernal pools.



Manzanita Lake toward Mt. Lassen, California

LOTIC ECOSYSTEMS Lotic ecosystems are also

called flowing waters. It includes rivers, streams,

creeks, brooks, and springs.



Agusan River


Thank you for

listening!

powerpoint de internet

Law

tundra ecosystem

aano fulltime lecturer

aano fulltime lecturer

word tundra

types of tundra

grassland ecosystem

coniferous forest

boreal forest