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Biodiversity Monitoring Program in the Mwaro ecological corridor, Mikeno Sector, Parc National des Virunga

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par - Augustin K. BASABOSE, M. Gratien BASHONGA, Z. BALEZI
- - - 2010
  

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INTERNATIONAL GORILLA CONSERVATION PROGRAM

Biodiversity Monitoring Program in the Mwaro ecological corridor,
Mikeno Sector, Parc National des Virunga

Augustin K. BASABOSE*, M. Gratien BASHONGA** and Z. BALEZI***

* IGCP Species Conservation Coordinator

**

Independent Consultant, Botanist

***

Université Officiele de Bukavu
June 2010

ibution of the ve

Page 2

Table of Contents

Acronyms 4

Executive Summary 5

Acknowledgements 6

1. INTRODUCTION 7

1.1. Background 7

1.2. Objective of IGCP Monitoring Program in Mwaro corridor 7

1. 3. Study Site 8

1.3.1. Location 8

1.3.2. Climate 8

1.3.3. The Virunga National Park, the Mikeno sector and climate change 8

1.3.4. Vegetation and biological value of the Mikeno sector 9

1.3.5. Mikeno Sector Management 9

1.3.6. Human Environment 10

1.3.6.1. Demographical context 10

1.3.6.2. Economic and Social Context 10

1.3.7. Role of the International Gorilla Conservation Program in

the Mikeno sector 10

2. METHOD 11

2.1. Study techniques 11

2.1.1. Site Selection of permanent transect and plot 11

2.1.2. Establishment of the permanent transect and plot 12

2.1.2.1 Opening the transect 12

2.1.2.2. Establishment of the plot 12

2.1.3. Data Collection 13

2.1.3.1. Data collection on the transect 13

2.1.3.2. Data sampling within the plot 15

2.1. 4. Data processing 15

2.1.4.1. Floristic richness 15

2.1.4.2. Quantitative study of the flora 15

Biodiversity survey of Mwaro corridor, Altitudinal distribution of the vegetation and assessment of Gorilla food availability

2.1.4.3. Vegetation stratification 16

2.1.4.4. Geographic data 17

2.1.5. Documentary research 17

2.2. Material 17

3. RESULTS 18

3.1. Floristic richness of Muwaro corridor 18

3.2. Morphological types of identified species 19

3.3. Vegetation description of the Mwaro corridor 20

3.3.1. Vegetation structure within the 1-ha plot 20

3.3.2. Dynamic of vegetation prospected in the 1-ha plot 21

3.3.3. Altitudinal distribution of the vegetation in the Mwaro

ecological corridor 24

3.3.3.1. Quantitative observation of vegetation in Muwaro corridor 26

3.3.3.2. Assessment of plant species diversity in the 7 segments 35

3.3.4. Herbaceous plant species identified in Mwaro corridor. 36

3.4. Animals signs identified in Mwaro ecological corridor 40

3.5. Human Activities in Mwaro ecological corridor. 41

4. DISCUSSION 42

4.1. Floristic richness and variation between different phytocenoses 42

4.2. Altitudinal variations along the line transect. 43

4.3. Wildlife presence in the Mwaro ecological corridor 44

4.4. Human Activities 44

4.5. Flora of interest to the Mountain Gorilla 45

4.6. Comparison of plant species consumed by gorillas according to different sites 46

5. CONCLUSION 47

6. REFENCES 48

7. ANNEX 50

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