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Jan 26, 2024 293 likes •424 views

"Trans-Disciplinary Approach to Solve Environmental Issues Case Studies in Cambodia and the Surrounding Coast" Comments by Tetsukazu Yahara Center for Asian Conservation Ecology, Kyushu University Forest loss in Cambodia Forest

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"Trans-Disciplinary Approach to Solve Environmental Issues – Case Studies in Cambodia and the Surrounding Coast"

Comments by Tetsukazu Yahara

Center for Asian Conservation Ecology, Kyushu University

SLIDE 2

Forest loss in Cambodia

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Forest loss in Cambodia

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DNA barcodes

Diversity is decreasing under illegal loggings

2000 2010 × logged Identification

Kg. Thom

Assessing tree diversity loss in forest plots

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Publication of pictured guides for forest trees

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Interviewing local people using a pictured guide

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Sap flux measurements
Microclimate measurements

– Ta, Hr, Rs, P, WS &WD

Soil water condition

– Θ & Ψ

Groundwater level

Studies to support community forestry

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Plant species diversity is also being recovered

2010 Volume（m3/ha）

43.1 63.4

20 40 60 80 100

2007 Volume Density 2007

593 785

200 400 600 800 1000 1200

Density(trees/ha） 2010

Studies to support community forestry

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Cambodia, Kg. Cham province Rubber Research Institute

Tree size monitoring every two week フラックスタワー(30m) （ハワイ大と共同）

Flux tower (30m) Tomo’omi Kumagai (Nagoya Univ) Thomas Giambelluca (Univ of Hawaii)

Studies to support rubber plantation forestry

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Bokor National Park, Cambodia [Alt. (0-) 266 - 1014m]

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98 Family, 740 species of trees.

New species … 13 spp. <
New records in Cambodia … 110 spp. <
Endemic species … 35 spp. <

Scientific name: Elaeocarpaceae Elaeocarpus Local name: Specimen No.: 1761 [=1484, 2484] # Scientific name: Euphorbiaceae Croton Common name:

No. 2528

Flora of Bokor is characterized by high plant diversity and endemism; a “Hotspot” in Indochina.

Studies to support National Park management

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Acknowledgement

Forestry Administration DG: Dr. Chheng Kimsun

Dr. Sokh Heng
Mr. Samreth Vanna
Mr. Chhang Phourin
Mr. Choeung vong Narith
Mr. Ma Vuthy

General Directorate of Rubber DG:Mr. Ly Phalla

Dr. Yin Song
Dr. Khun Kakada
Mr. Lim Khantiva

Sponsors Global COE Program “Asian Conservation Ecology” (JSPS, Japan, 2009-2013) . The Environment Research and Technology Development Fund (S9) (MOE, Japan, 2011-2015). Leading Graduate Program “Decision Science for a Sustainable Society” (JSPS, Japan, 2013-2019).