The role of Land, Forest, River, and Ocean

23-1 Takatoshi AKAI

K.W.S.

Malindi Marine National Park

OutlineOutline

About the our EarthAbout the our Earth The role of LandThe role of Land The role of ForestThe role of Forest The role of RiverThe role of River The role of OceanThe role of Ocean ConclusionConclusion

About our EarthAbout our EarthOcean ％Land ％

Sea water ％Fresh water ％Available water %

The role of LandThe role of Land①①Let plants to take root in the ground and support Let plants to take root in the ground and support

to grow them. to grow them. ②②Decompose various kinds of substance, and Decompose various kinds of substance, and

provide nutrient for plants.provide nutrient for plants.③③Purify water and stock them.Purify water and stock them.④④Provide material for pottery, and architecture.Provide material for pottery, and architecture.⑤⑤Bacteria decompose fallen Bacteria decompose fallen leaves, corpse, and dung intoleaves, corpse, and dung into fertilizer, such as nitrogen, fertilizer, such as nitrogen, phosphorus, and potassium.phosphorus, and potassium.

①①Absorb CO2 and produce Oxygen by photosynthesis.Absorb CO2 and produce Oxygen by photosynthesis.

②②Stock water, and stop outflow of soil. (Green Dam)Stock water, and stop outflow of soil. (Green Dam)

③③Create nutrient rich soil, which is necessary for living Create nutrient rich soil, which is necessary for living things.things.

④④More than half wild species living in the rain forest. More than half wild species living in the rain forest.

⑤⑤Provide timber for people.Provide timber for people.

⑥⑥Trees emit “Fitontsid”, which is effect for improve liver Trees emit “Fitontsid”, which is effect for improve liver function, physiology for women, and cooling down function, physiology for women, and cooling down temperature.temperature.

The role of ForestThe role of Forest

The types of Forest 1The types of Forest 1

Tropical RainforestTropical Rainforest

⇒⇒Rain fall everyday, Rain fall everyday, more than 720mm more than 720mm per year in per year in Amazon.Amazon.

⇒⇒Evergreen trees up Evergreen trees up to 70m.to 70m.

Rain forest in Malaysia

The types of Forest 2The types of Forest 2

Tropical monsoon:Tropical monsoon:

⇒⇒Depending on Depending on monsoon (seasonal monsoon (seasonal wind from the wind from the Indian Ocean)Indian Ocean)

⇒⇒They have dry They have dry season and rain season and rain seasonseason

Rain forest in Amazon

The types of Forest 3The types of Forest 3

Tropical savanna:Tropical savanna:

⇒⇒A few rain fall in A few rain fall in whole year.whole year.

⇒⇒Most of plants are Most of plants are grass. Trees are grass. Trees are grow up to only grow up to only 20m.20m.

African savanna

The types of Forest 4The types of Forest 4 MangroveMangrove ：：⇒⇒Located in mix of seawater Located in mix of seawater

and pure water, such as and pure water, such as entry of river.entry of river.

⇒⇒They have 2 different They have 2 different types of ecosystem, such types of ecosystem, such as forest and ocean. as forest and ocean.

⇒⇒People use mangrove for People use mangrove for fishery, and mitigation, fishery, and mitigation, such as high tide and such as high tide and tsunami.tsunami.

The role of RiverThe role of River①①Provide water for drinking, Provide water for drinking,

household, farming, industry, household, farming, industry, and hydraulic power plant.and hydraulic power plant.

②②Transport nutrition, such as Transport nutrition, such as nitrogen, phosphorus, and nitrogen, phosphorus, and potassium, and develop potassium, and develop ecosystem beside the riverside.ecosystem beside the riverside.

③③Transported nutrition in the Transported nutrition in the ocean, grow plankton and ocean, grow plankton and seaweed. Those creatures grow seaweed. Those creatures grow ecosystem in the ocean.ecosystem in the ocean.

The role of OceanThe role of Ocean①①Provide pure water, which is necessary Provide pure water, which is necessary

for all living things on the earth. for all living things on the earth. ②②Absorb and stock CO2 through food Absorb and stock CO2 through food

chain (Creature Pomp).chain (Creature Pomp).③③Provide environment for creatures in Provide environment for creatures in

the ocean to survive, and develop the ocean to survive, and develop marine resource.marine resource.

④④Current of ocean transfer substance Current of ocean transfer substance and stabilize climate.and stabilize climate.

What is “Creature Pomp”What is “Creature Pomp”1.1.CO2 is absorbed on the surface of ocean, by CO2 is absorbed on the surface of ocean, by

photo-plankton through photosynthesis.photo-plankton through photosynthesis.2.2.Photo-plankton are eaten by other creatures in Photo-plankton are eaten by other creatures in

the ocean.the ocean.3.3.Once other creatures excretion or dead, they Once other creatures excretion or dead, they

go to bottom of the sea. go to bottom of the sea.

4.4.At the same time, CO2 go to At the same time, CO2 go to bottom of the sea and became bottom of the sea and became marine snow.marine snow.

ConclusionConclusion Land, forest, river, and ocean. Each of them

have own role, and people are receiving benefit from them.

Therefore, if we throw garbage into river, or use natural resources more than we need, the balance of nature will be destroyed.