Initial Environmental Examination – Appendix H Project Number: 54211-001 March 2021 Document Stage: Draft Viet Nam: Lotus Wind Power Project Prepared by ERM Vietnam for Lien Lap Wind Power Joint Stock Company, Phong Huy Wind Power Joint Stock Company, and Phong Nguyen Wind Power Joint Stock Company as a requirement of the Asian Development Bank. The initial environmental examination is a document of the borrower. The views expressed herein do not necessarily represent those of ADB's Board of Directors, Management, or staff, and may be preliminary in nature. Your attention is directed to the “Terms of Use” section of this website. In preparing any country program or strategy, financing any project, or by making any designation of or reference to a particular territory or geographic area in this document, the Asian Development Bank does not intend to make any judgments as to the legal or other status of any territory or area. Biodiversity survey Wet season report Phong Huy Wind Power Project, Huong Hoa, Quang Tri, Viet Nam 7 July 2020 Prepared by ERM’s Subcontractor for ERM Vietnam Document details Document title Biodiversity survey Wet season report Document subtitle Phong Huy Wind Power Project, Huong Hoa, Quang Tri, Viet Nam Date 7 July 2020 Version 1.0 Author ERM’s Subcontractor Client Name ERM Vietnam Document history Version Revision Author Reviewed by ERM approval to issue Comments Name Date Draft 1.0 Name Name Name 00.00.0000 Text Version: 1.0 Client: ERM Vietnam 7 July 2020 BIODIVERSITY SURVEY WET SEASON REPORT CONTENTS Phong Huy Wind Power Project, Huong Hoa, Quang Tri, Viet Nam CONTENTS 1. INTRODUCTION ........................................................................................................................... 5 2. METHODOLOGY .......................................................................................................................... 8 2.1 Desktop Study ................................................................................................................................ 8 2.1.1 Literature review ............................................................................................................ 8 2.1.2 Scanning Biodiversity Database .................................................................................... 9 2.2 Field Survey .................................................................................................................................. 10 2.2.1 Flora survey ................................................................................................................. 10 2.2.2 Vegetation type mapping ............................................................................................. 11 2.2.3 Terrestrial Fauna Survey ............................................................................................. 11 3. RESULT ....................................................................................................................................... 22 3.1 Desktop study ............................................................................................................................... 22 3.1.1 Terrestrial Flora ............................................................................................................ 22 3.1.2 Avifauna ....................................................................................................................... 23 3.1.3 Bats .............................................................................................................................. 25 3.1.4 Non-volant terrestrial mammals ................................................................................... 26 3.1.5 Herpetofauna ............................................................................................................... 29 3.2 Field Survey .................................................................................................................................. 31 3.2.1 Flora survey ................................................................................................................. 31 3.2.2 Terrestrial Fauna Survey ............................................................................................. 37 4. ANALYSIS AND DISCUSSION .................................................................................................. 63 4.1 Habitat loss issues and disturbance ............................................................................................. 63 4.2 Impacts on bat .............................................................................................................................. 63 4.3 Impacts on bird ............................................................................................................................. 63 5. CONCLUSION AND RECOMMENDATION................................................................................ 64 REFERENCES ....................................................................................................................................... 65 LIST OF BIRDS RECORDED IN BAC HUONG HOA AND DAKRONG NATURE RESERVES OR HAVE DISTRIBUTION RANGE INCLUDING QUANG TRI PROVINCE LIST OF BAT SPECIES THAT WERE RECORDED IN TWO PROTECTED AREAS (DAKRONG AND BAC HUONG HOA) OR HAVE DISTRIBUTION RANGE INCLUDING QUANG TRI PROVINCE. LIST OF MAMMALS IN QUANG TRI DISTRICT AND VICINITY AREAS IN LAOS LIST OF AMPHIBIANS AND REPTILES IN QUANG TRI PROVINCE FROM LITERATURES REVIEW LIST OF TERRESTRIAL FLORA RECORDED AT PHONG HUY WINDFARM PROJECT TIME AND WEATHER INFORMATION DURING VP COUNT AT PHONG HUY VANTAGE POINT SURVEY DATA NIGHTLY BAT ACTIVITY RECORDED AT SURVEYED SITES PER PASSIVE ACOUSTIC SAMPLINGS Version: 1.0 Client: ERM Vietnam 7 July 2020 BIODIVERSITY SURVEY WET SEASON REPORT CONTENTS Phong Huy Wind Power Project, Huong Hoa, Quang Tri, Viet Nam List of Tables Table 2.1 Transects for bird survey .............................................................................................................. 11 Table 2.2 Keys to data recorded ................................................................................................................... 13 Table 2.3 Collision Risk matrix ..................................................................................................................... 14 Table 2.4 Potential Impact Significance matrix ............................................................................................. 15 Table 2.5 Selected sites for bat surveys in the project area ......................................................................... 16 Table 2.6 Sampling effort at Phong Huy Wind Farm, May 2020 ................................................................... 17 Table 2.7 Summary of transect for herpetofauna survey effort ..................................................................... 21 Table 3.1 List of threatened plants species in Bac Huong Hoa, Dakrong and Phong Dien Nature Reserves ...................................................................................................................................................... 22 Table 3.2 List of significant conservation bird species may occur at project area and its vicinity ................. 24 Table 3.3 Bat species of high conservation values recorded or may occur in Quang Tri province ............... 26 Table 3.4 List of non-volant mammal species may occur in project area and it vicinity ................................ 27 Table 3.5 List of threatened species of amphibian and reptilian in Quang Tri province ................................ 30 Table 3.6 List of plant species recorded at Phong Huy windfarm project ..................................................... 31 Table 3.7 List of allien invasive species reorded in Phong Huy .................................................................... 33 Table 3.8 Vegetation types occupy in Phong Huy Wind power area ............................................................ 36 Table 3.9 List of the birds recorded in Phong Huy windfarm project ............................................................. 38 Table 3.10 Average flock size of each bird species observed at Phong Huy Wind Power project .................. 42 Table 3.11 Results of vantage point count at Phong Huy windfarm project for risk assessment .................... 45 Table 3.12 Bat species found within the surveyed sites in Phong Huy Wind Farm ........................................ 52 Table 3.13 Collision risks of bat species recorded in Phong Huy Wind Farm ................................................. 54 Table 3.14 List of non-volant mammal in Quang Tri province and interview results ....................................... 59 Table 3.15 Amphibian and reptilian species composition recorded in Phong Huy .......................................... 61 List of Figures Figure 1.1 Project location ............................................................................................................................... 6 Figure 1.2 Historical climate date observed for project site (climate-data.org, data from 1982 to 2012) .......... 7 Figure 2.1 Protected Areas in Indochia near Phong Huy wind power project site ............................................ 8 Figure 2.2 Flora survey transects .................................................................................................................. 10 Figure 2.3 Chosen Vantage Points and transects for bird survey .................................................................. 12 Figure 2.4 Layout of WTGs (asterisk and