01 — Field
Hands on trees
Long-term observation and practical work in the field.
About
Documenting Japan's Trees.
Sharing What the Field Reveals.
A field-based practice connecting arboriculture, tree diagnosis, gardens, and Japanese cultural context.
Profile
Isaki Kasahara
As a field-based practitioner in Japan, I document and share knowledge through arboriculture, science, landscape practice, and cultural perspectives. This journal explores the relationships between trees, people, cities, and Japanese culture.
- RoleJapanese Arborist & Certified Tree Doctor (Jumoku-i)
- LocationTokyo, Japan
- BackgroundPlant Metabolic Biochemistry — research on plant secondary metabolite biosynthesis and metabolic regulation
- PracticeTree diagnosis equipment, field observation, and long-term planting management
Perspectives
Knowledge begins in the field.
Four perspectives guide the work and the journal.
02 — Diagnosis
Observation & tools
Scientific methods for understanding tree structure and health.
03 — Culture
Living context
Trees within their cultural, historical, and spiritual settings.
04 — Notes
First-hand, in English
Primary observations shared from sites across Japan.
Professional focus
Specialties
Elsewhere