can gio magrove

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Course: Ecosystem Management Instructor: Truong Thanh Canh Can Gio Mangrove Biosphere Reserve Date: January 16, 2015

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Course: Ecosystem ManagementInstructor: Truong Thanh Canh

Can Gio Mangrove Biosphere Reserve

Date: January 16, 2015

Part 1: Brief Introduction G e o g r a p h i c a l p o s i ti o n , C l i m a t e a n d r a i n f a l l , Te m p e r a t u r e , To p o g r a p h y. E c o l o g i c a l c h a r a c t e r i s ti c s , S o c i a l A c ti v i ti e s . S t r u c t u r e o f C a n G i o M a n g r o v e E c o s y s t e m

Part 2: Understand Can Gio Mangrove Eco- systems’Structure and its service

R e g u l a ti n g s e r v i c e P r o v i s i o n i n g s e r v i c e C u l t u r a l s e r v i c e S u p p o r ti n g s e r v i c e

Part 3: Resource exploitation for economic purpose

S u s t a i n a b l e d e v e l o p m e n t o f C a n G i o m a n g r o v e e c o s y s t e m s To u r i s t d e v e l o p m e n t E ff e c ti n g o n r e s o u r c e s c o n s e r v a ti o n

Overview

Located about 50 km south of

Ho Chi Minh City

The Boundary

• The north borders Nha Be District

• The south borders East Sea

• The east borders Dong Nai, Vung

Tau Provinces

• The west borders Long An, Tien

Giang provinces

Geographical Position

The total area is 71.361 ha

At the present, the population

of Can Gio is more than 80.000

people

Climate and RainfallCan Gio climate is tropical monsoonal with two distinctive season:

The dry season: from November to next May

The rainy season : from the end of May to October

1 2 3 4 5 6 7 8 9 10 11 120

50

100

150

200

250

300

350

Month

Rain

fall(

mm

)

Temperature• Average temperature : 270 C

• Maximum temperature: 33.10 C

• Minimum temperature: 22.70C

• Daily vibration amplitude :3-70C

• Monthly temperature amplitude:40C1 2 3 4 5 6 7 8 9 10 11 12

24.5

25

25.5

26

26.5

27

27.5

28

28.5

Month 1 2 3 4 5 6 7 8 9 10 11 12

Temperature 26 25.8 27.5 28 28 27.4 27.3 27.4 27.4 27.0 26.6 26.2

___________________________________________________________________________________________________________________________

TopographyGenerally flat and low-lying with the highest elevation at

Giong ChuaThe terrain of Can Gio is formed by alluvial deposits from six

rivers, Nga Bay, Cai Mep, Go Gia, Thi Vai, Soai Rap and Dong Tranh

(Giồng Chùa mountain- the highest place in Can Gio)

Ecological Characteristics

Many kinds of habitats such as mangroves, wetlands, salt marsh, mud flat and sea

grasses

Receive a great alluvium from Dong Nai river and own unique plants and animals.

=> a food supply for both aquatic organisms and on-land vertebrates

More than 200 animal species and over 40 bird species has been found in Can Gio.

Can Gio is also a “ wall green” to protect the city from storm surges, typhoons

and sea level rise

___________________________________________________________________________________________________________________________

HIGHLIGHT ECONOMIC SCALE

PROCESS TO PRODUCE SALT

FARMING OYSTERS

FARMING BLOOD COCKLE

FISHING

Structure

PlantMainly mangrove

Participation mangrove

Immigration Plants

Structure

• Nature forest: 12.000 ha

Cây bàng, mấm (Avicenmiacese), Chà là,..

Living on mound and less water

Planted forest: 20.000 ha

Avicemiaceae, Sounerrtiaceae, Lumnitzera littoria Voigt,..

Planting on alkaline soil and brackish

Structure

• Animals

▫Spineless species: Squill mantis, Meretrix lyrata,…

▫Fishes : cá Ngát, cá thoi loi,…

▫Reptiles : Ophiophagus hannah, Python reticulatus,…

▫Birds : Vạc, Bồ nông,…

▫Mammals : Macaca fascicufaris, Sus scrofa,..

Structure

• Can Gio mangrove forest is a non self-contained ecosystem

• Alluvial and mangrove forest always changes toward the sea

=> higher alluvial soils

• When the land becomes higher than the sea, this soil is suitable for agriculture

Can Gio Mangrove Eco- systems’ Structure and its service

Regulating service

Climate Regulation

Water purification

Flood Regulation

• Favorable of geographic location

• The magic of mangroves

• The biodiversity of Cần Giờ forest

• The protection of human

Provisioning Services

The elements help Can Gio forest have ability to provision :

Favorable of geographic location

- Can Gio forest is formed in downstream of Dong Nai river system, at

the Southeast gateway of Ho Chi Minh City

1. North : Dong Nai

2. South : the East Sea

3. West : Tien Giang, Long An

4. East : Ba Ria-Vung Tau

Provisioning Services

Mangrove forest is a firm green wall !

The magic of mangroves

Provisioning Services

The magic of mangroves

The root of trees system is

interlaced.

Provisioning Services

The biodiversity of Can Gio forest

•157 species of plant

•100 species of bottom invertebrate animals

•Over 120 species of fish

•145 species of birds

•Crocodile, monkey, boar

Provisioning Services

The protection of humanProvisioning Services

A process plant and protect in 30 years

Provisioning Services

Tourism Foreign Tourist

9%

Domestic Tourist91% Benefits from Tourism

in Can Gio Mangrove Forest per year

Total Profit = 3,472.8 million VND

Domestic = 3,148 million VND

Foreign = 324.8 million VND

Cultural Services

(Source: The Vietnam MAB National Committee, 2000)

Recreation

Jobs:

Rearing: fishes and marine product…

Growing: forest, germinating transplants

Tour guide

Tutors for trainee or students

Raising the income of native people in Can Gio District.

Cultural Services

• Rearing Shrimp:Profit = 700 million VND/ha

(2014)

Farmer’s income goes up

(about 38.2 million/ person/ year)

Recreation

Cultural Services

Cultural ServicesRecreation

Education

•Program for introducing ecosystem in Can Gio for students in high school and university.

•Good condition and best place for students to research and

practice.

Cultural Services

Sources for medicine

Acrostichum aureum

Rhizomes Tender leaves

Wound and boils Boiled in water and the liquid is given as antidote to poison victims

Cynometra ramiflora

Leaves, Roots, fruits

- Ingredient of a medicine used for skin diseases - A lotion form leaves is applied externally in leprosy scabies Purgative oil from fruits and roots for leprosy

Cultural Services

•Provision of wildlife habitat

•Sediment trapping & nutrient retention and export

•Provide fuel wood and building materials

•Erosion prevention

Supporting Services

Resource exploitation for

economic purpose

Evaluate the impact of economic activities on the environment

Sustainable development of Can Gio mangrove ecosystems

- Self-purification of the mangrove forest.

- Tolerance to pollution.

Evaluate the impact of economic activities on the environment

- Pay attention to construction activities.

Regrarding to staff management and eco tourism guide

- Make plans to protect and

develop mangrove forests.

Regarding to locals

- Invited representatives of local participation in nature conservation

projects.

Regarding to locals

- Organization of environmental education classes for local residents to raise

their awareness of the importance of ecology and environment

The sea encroaching system in combination with Can Gio’s urban and Tourism.

▫The sea encroaching area: 600 ha

▫Using clean energy

▫Minimizing manufacturing

Tourist development

Agriculture ecotourism:

Bình Khánh, An Thới Đông,Tam Thôn Hiệp

and Lý Nhơn Commune

Forest ecotourism:

(area 42.000 ha)

Long Hòa, An Thới Đông and Lý Nhơn

Commune

Sea ecotourism:

Cần Thạnh Long Hòa, Thạnh An Commune,

Giồng Chùa

3 main functional areas

2 works having the biggest effect in developing urban and tourism •The expansion Sac Forest Project, openning arterial

route linking the central Ho Chi Minh City

• The providing fresh water project

17.8% the average number of visitors

Tourism 24%

Commersal business

14 – 46%

1,200,000 visitors

10% foreiners

30 investors registered for

31 projects in amusement parks, entertainment and

tourist attractions

Tourist development

The Global Top 100 Sustainable Destinations or The World’s Greenest Holiday Destinations

Total Value of Production in Can Gio

Fishery Handicraft Agriculture Transportation & postal

Contruction Commerical & Services

0.00%

5.00%

10.00%

15.00%

20.00%

25.00%

30.00%

35.00%

EFFECTING ON RESOURCES CONSERVATION

• Can Gio mangrove forest enhances local resident’s standard life. • The recovered mangrove forest is having some positive direct effects to people living

nearby. + Growing forest, salt producing, forest tending + Provided more jobs for labor + Poverty rate had decreased to 25.7 percent + 100 percent people use clean water

• Farming, prawn industry, offshore fishing, oysters, clams are the main sources of people’s income.

EFFECTING ON RESOURCES CONSERVATION

• Can Gio’s government appointed some household to protect the mangrove forest.

• Local people already perceive the important role of forest to their life.

• Play as a South East Ho Chi Minh’s lung.

•An ideals place for tourist and scientist get to know more about biodiversity.

EFFECTING ON RESOURCES CONSERVATION

Thank for listening!