Table Of ContentTIGERS OF THE 
TRANSBOUNDARY 
TERAI ARC LANDSCAPE 
Status, distribution and movement in the Terai of India and Nepal
Published by
Global Tiger Forum (GTF)
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New Delhi
Credits WWF-India
Report lead: Dr. Jimmy Borah
Field work and analysis (contributors to the report): 
Pranav Chanchani, Dr. Kamlesh Maurya, Ashish Bista, Rekha Warrier, 
Shwetha Nair, Macson Almeida, Rohit Ravi and Ruchir Sharma
Field assistance: Sher Singh Bisht, Ram Bharsoe Lal, Kuldeep 
Singh, Palu Chauhan, Santosh Kumar, Balwinder Singh, Data Ram, 
Dharminder.
Report Preparation:  Pranav Chanchani, 
Dr. Kamlesh Maurya and Dr. Jimmy Borah
Administrative support:  Dr. Mudit Gupta, Mr. Dabeer Hassan, Dr. 
Harish Guleria, Mr. Joseph Vattakaven and Dr. Dipankar Ghose
Credits Nepal
Report lead team: Dr. Maheshwar Dhakal, Mrs. Madhuri Thapa, 
Dr. Shant Raj Jnawali, Dr. Narendra M.B Pradhan and 
Dr. Naresh Subedi
Field work: 268 people associated with DNPWC, DOF, NTNC, WWF 
Nepal, International Trust for Nature Conservation, Nepal Army, 
Nature Guide Association and students from Khwopa College, SchEMS 
College, CDES, Tribhuvan University, Institute of Forestry (IOF), 
Kathmandu University and KNIT Korea
Data analysis (contributors to the report): Sabita Malla, 
Babu Ram Lamichhane, Gokarna Jung Thapa, Hemanta Yadav
Report Preparation:  Sabita Malla and 
Babu Ram Lamichhane
Administrative support: Mr. Ravi Pratap Singh, 
Mr. Bhagwan Lal Shrestha, Mr. Bikram Kachhyapati, Mr. Khadga 
Pariyar, Mr. Prabin Rayamajhi, Mr. Buddhi Chaudhary, Mr. Ram 
Kumar Aryal, Mr. Bishwa Prakash Adhikari, Suman Malla, Mr. 
Shailendra Yadav, Mr. Sriram Ghimire, Mr. Ramji Thapa
Cover Photo: 
NTNC/DNPWC
Citation
Chanchani P., Lamichhane B. R., Malla S., Maurya K., Bista A., Warrier 
R., Nair S., Almeida M., Ravi R., Sharma R., Dhakal M., Yadav S. P., 
Thapa M., Jnawali S. R., Pradhan N. M. B., Subedi N., Thapa G. J., 
Yadav H., Jhala Y. V., Qureshi Q., Vattakaven J. and Borah J. 2014. 
WC Tigers of the Transboundary Terai Arc Landscape: Status, distribution 
NP and movement in the Terai of India and Nepal. National Tiger 
D
C/ Conservation Authority, Government of India, and Department of 
TN National Park and Wildlife Conservation, Government of Nepal
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TIGERS OF THE 
TRANSBOUNDARY 
TERAI ARC LANDSCAPE 
Status, distribution and movement in the Terai of India and Nepal
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TABLE OF CONTENTS
FOREWORDS  vii
ACKNOWLEDGEMENTS  ix
EXECUTIVE SUMMARY  xi
1. INTRODUCTION  1
The Terai Arc Landscape  1
Motivation for Coordinated Monitoring and Joint Reporting  5
Objectives  6
2. STUDY AREA  7
Protected Areas in the Transboundary TAL   10
Vegetation Types  13
Land Use and Management Practices  15
Socio-Economic   17
Institutional Setup for Tiger Survey  17
3. FIELD METHODS  19
Tiger Habitat Occupancy  19
Tiger Population Estimation  19
Capture-Recapture Sampling for Tigers  20
Sampling Effort  20
Line Transect Surveys for Prey-Base Density Estimation  21
Data Analysis   22
4. RESULTS  25
Tiger Distribution  25
Individual Identifi cation  27
Tiger Abundance and Density  27
Prey Density  29
Common Individuals Both in India and in Nepal  29
5. DISCUSSION  39
Tiger and Prey Species Distribution and Abundance  39
Transboundary Connectivity Status and Tiger Movement Across Borders   40
Fragmentation, Habitat Loss and Disturbance  41
Road and Railway Projects  42
Protection, Poaching and Trade  43
Habitat Quality, and Impacts of Hydropower Development and Climate Change  44
Cattle Grazing  45
Encroachment  46
Human-Tiger Confl ict  47
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TIGERS OF THE TRANSBOUNDARY 
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6. CONCLUSIONS AND RECOMMENDATIONS  49
Advocacy and Policy Interventions  50
Strategic Restoration and Management of Key Habitat, Corridors
and Connectivity   51
Strengthening of Protection to Deter Poaching in Core, Buffer-Zone and 
Corridor Areas  54
Community Stewardship in Conservation  55
Research and Monitoring  56
REFERENCES  59
APPENDIX - I  65
Site specifi c threats and recommendations for the tiger conservation in 
transboundary TAL
APPENDIX - II  79
Tiger abundance and density estimates in the PAs of transboundary TAL
APPENDIX - III  81
Management regimes, roles and responsibilities in Nepal and India
APPENDIX - IV  82
Summary of camera trap efforts in transboundary protected areas
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LIST OF FIGURES AND TABLES
FIGURES
Figure 1  Terai Arc Landscape  4
Figure 2  Protected areas and corridors in Transboundary TAL  10
Figure 3  Tiger habitat occupancy survey design, Terai Arc
Landscape Nepal  19
Figure 4  Line Transect survey design (Example from Parsa
Wildlife Reserve in Nepal)  21
Figure 5  Tiger of Chitwan NP (top) and Valmiki TR (bottom) showing
100% match  24
Figure 6  Tiger capture locations in transboundary TAL (black
dots: tiger capture location; red dots: camera location)  25
Figure 7  Tiger habitat occupancy in Terai Arc Landscape, Nepal  26
Figure 8  Site occupancy for tigers in a portion of the 
transboundary TAL in India  26
Figure 9  Tiger density across the transboundary Terai Arc Landscape.  28
Figure 10 Common Tigers between Chitwan NP, Nepal and Valmiki
Tiger Reserve, India  30
Figure 11  Movement of common tigers detected in Chitwan
-Valmiki Complex  31
Figure 12 Common tigers between Katerniaghat WLS and Khata
corridor (Bardia)  32
Figure 13 Tiger movement in Bardia-Khata-Katerniaghat complex  34
Figure 14 Photographic evidence of the Khata male  35
Figure 15  Common tigers between Shuklaphanta WR and Laggabagga  36
Figure 16 Tiger Movement between Shuklaphanta and Laggabagga  37
Figure 17  The proposed road along the Indo-Nepal border in
Terai Arc Landscape  42
Figure 18 Block 1, Western block of Transboundary TAL  51
Figure 19 Block 2, Central block of Transborder TAL  52
Figure 20 Block 3, Eastern block of Transborder TAL  53
Figure 21 Block 4: Large patch of forest in Nepal TAL between eastern
and central blocks  54
TABLES
Table 1  Transboundary Protected Areas in Nepal and
India in the Terai Arc Landscape  8
Table 2  Transboundary corridors in Nepal and India in the
Terai Arc Landscape  9
Table 3  Minimum tiger numbers and density estimates in PAs of
transboundary TAL  28
Table 4  Prey base density estimates in PAs of transboundary TAL  29
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FOREWORD
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FOREWORD
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Description:Status, distribution and movement in the Terai of India and Nepal . Figure 7 Tiger habitat occupancy in Terai Arc Landscape, Nepal. 26. Figure 8 Site