Conservation Of Threatened Plant Species In Xuan Nha Nature Reserve Son La Province

MINISTRY OF AGRICULTURE AND RURAL DEVELOPMENT

VIETNAM FORESTRY UNIVERSITY

STUDENT THESIS

Title

CONSERVATION ON THREATENED PLANT SPECIES IN XUAN NHA

NATURE RESERVE, SON LA PROVINCE

Major: Natural Resources Management

Code: D850101

Faculty: Forest Resources and Environmental Management

Student: Pham Thi Thao Student ID: 1153090353

Class: K56 Natural Resources Management Course: 2011 - 2015

Advanced Education Program

Developed in collaboration with Colorado State University, USA

Supervisor: Assoc.Prof Hoang Van Sam

Ha Noi, October/2015

ACKNOWLEDGEMENTS

I would like to express my very great appreciation to Assoc Prof. Hoang Van Sam

from Vietnam Forestry University and Prof. Lee MacDonald from Colorado State University,

my research supervisors, for their enthusiastic encouragement and useful critiques of this

research work. Without their thoughtful, patient guidance through every step of my research,

their knowledge on how to correct and analyze the data I collected, this thesis could not have

been realized. Thank to Vietnam Forestry University and Colorado State University

cooperation together especially faculty of Forest Resource and Environmental Management

and all professors I would like to extend my thanks to Mr. Nguyen Hung Chien, the Vice

Director of Xuan Nha Nature Reserve for accepting the responsibility of my research in his

nature reserve as well as for his useful and constructive recommendations on this project.

Many other people have contributed to the success of this thesis but I would like to

particularly thank Mr. Nam, and my partners Tung Anh, Duc and Hai for their support during

the entire process of doing research.

CONTENTS

I. INTRODUCTION...................................................................................................................1

II. OBJECTIVES........................................................................................................................3

2.1. Investigate the threatened plants species in Xuan Nha Nature reserve, Son La province.........3

2.2. Investigate conservation status of some threatened plant species in Xuan Nha nature

reserve.........................................................................................................................................3

2.3. Study silviculture characteristics of three high value threatened plant species in Xuan Nha

Nature Reserve: Burretiodendron hsienmu Chun et How, Madhuca pasquieri (Dubard)

H.J.Lam and Aquilaria crassna Pierre ex Lecomte....................................................................3

2.4. Propose solutions for conservation of threatened plant species and plant resources in

Xuan Nha Nature Reserve. .........................................................................................................3

III. METHODOLOGIES............................................................................................................4

3.1. Field Investigation methods ................................................................................................4

3.1.1. Investigate the distribution characteristics of threatened plant species in 10 transects of

Xuan Nha Nature Reserve. .........................................................................................................4

3.1.2. Collecting data..................................................................................................................5

3.2. Data analysis........................................................................................................................7

3.3. Interview method.................................................................................................................8

3.3.1. Interview ranger................................................................................................................9

3.3.2. Interview local people ......................................................................................................9

3.4. Statistic, analysis natural resources status, economic conditions, social population in

research area. ..............................................................................................................................9

3.5. Method of map, diagrams....................................................................................................9

IV. RESEACH AREA..............................................................................................................10

4.1. Location and boundaries....................................................................................................10

4.2. Topography........................................................................................................................12

4.3. Geology and Soils..............................................................................................................12

4.4. Climate and hydrology ......................................................................................................13

4.5. General situation of the flora .............................................................................................14

4.6. Population, ethnic, labor, population distribution, population growth rate.......................15

4.7. The economic situation......................................................................................................15

4.7.1. The economic activities..................................................................................................15

V. RESULTS AND DISCUSSSION .......................................................................................18

5.1. Composition of threatened plants species and distribution of some threatened plant

species in Xuan Nha Nature reserve.........................................................................................18

5.1.1. Composition of threatened plant species in Xuan Nha reserve. .....................................18

5.1.2. Distribution of threatened plant species by elevation in Xuan Nha reserve...................21

5.2. Conservation status of threatened plant species in Xuan Nha nature reserve....................24

5.2.1. Conservation status of each species is determined by the Vietnam Red List (2007) and

International Council of conservation organization IUCN after assessing the status of species.

..................................................................................................................................................24

5.2.2. Exploitation status, uses and management status of some threatened plant species......27

5.3. Morphological characteristics, distribution, ecological and natural regeneration of three

high value threatened plant species: Madhuca pasquieri (Dubard) H.J.Lam, Burretiodendron

hsienmu Chun et How and Aquilaria crassna Pierre ex Lecomte............................................28

5.3.1. Burretiodendron hsienmu Chun et How.........................................................................28

5.3.2. Madhuca pasquieri (Dubard) H.J.Lam ...........................................................................31

5.3.3. Aquilaria crassna Pierre ex Lecomte. .............................................................................34

5.4. Propose conservation solution for threatened plant species in Xuan Nha Nature reserve ......37

5.4.1. Technical Solutions ........................................................................................................37

5.4.2. Social- economic solutions.............................................................................................38

5.4.3. Solutions of mechanisms and policies to attract investment ..........................................39

5.4.4. Completing the institution, policy and law.....................................................................40

IV. CONCLUSION AND RECOMMENDATION.................................................................42

6.1. Conclusion.........................................................................................................................42

6.2. Recommendations .............................................................................................................42

REFERENCES