PENILAIAN RISIKO POHON DI JALUR HEALING FOREST KHDTK WANAGAMA MENGGUNAKAN METODE TREE RISK ASSESSMENT DARI PEDOMAN INTERNATIONAL SOCIETY OF ARBORICULTURE
Ratih Rahmatillah Lestari, Ir. Ananto Triyogo, S.Hut., M.Sc., Ph.D., IPM. ; Dr.Ir. Dwi Tyaningsih Adriyanti, M.P.
2024 | Skripsi | KEHUTANAN
Hutan pada daerah perkotaan atau yang memiliki banyak aktivitas
manusia memerlukan adanya pengetahuan mengenai arborikultur. Salah satu tujuan
dari arborikultur adalah untuk memelihara pohon dan mitigasi kerugian baik
secara material dan immaterial. KHDTK Wanagama memiliki salah satu wisata alam
berupa jalur healing forest yang
terletak di Petak 5. Tujuan penilaian risiko pohon di jalur healing forest merupakan tindakan
pencegahan terhadap potensi risiko yang akan terjadi di jalur healing forest KHDTK Wanagama. Penelitian dilakukan pada jalur healing forest di petak 5 KHDTK Wanagama
dengan panjang 1,18 km yang dibagi menjadi 5 ruas dengan pertimbangan kondisi
jalur tidak lurus. Tegakan diamati dengan metode dari pedoman ISA yaitu memperhatikan secara visual
pohon yang memiliki risiko mulai dari akar, batang hingga tajuk. Kemudian
dianalisis kondisi fisiknya (tinggi, DBH, diameter tajuk) serta kategorisasi
peringkat risiko (rendah, sedang, tinggi, ekstrim) serta tipe-tipe kerusakan
yang ditemui. Hasil pengamatan yang diperoleh yaitu
terdapat 9 spesies pohon yang ada di sepanjang jalur healing forest. Persentase jumlah individu yang dominan pada kelas
tinggi yaitu 10-12 meter, kelas DBH yaitu 25-40 cm dan pada kelas diameter
tajuk yaitu 1,5-2,5 meter. Sedangkan persentase pada peringkat risiko
masing-masing bagian pohon ditemukan beragam tetapi didominasi dengan risiko
rendah-sedang. Selain itu, tipe kerusakan yang paling banyak ditemui yaitu
batang dengan kondisi miring, kondisi batang kering rawan patah serta akar yang
terangkat ke pemukaan.
Forests in urban areas or a lot of human
activity require knowledge of arboriculture. One of the goals of arboriculture
is to maintain trees and mitigate losses material and immaterial. KHDTK
Wanagama has one of the natural attractions, a healing forest route which is
located in Plot 5. The aim of assessing the risk of trees on the healing forest
route is to prevent potential risks that will occur on the KHDTK Wanagama
healing forest route. The research was held in healing forest route in plot 5
of KHDTK Wanagama with a length of 1.18 km which was divided into 5 sections
considering the condition of the route which was not straight. Trees were
observed using the method from the ISA guidelines, namely visually paying
attention to trees that are at risk from the roots, trunk to crown. Then the
physical condition is analyzed (height, DBH, canopy diameter) as well as the
risk ranking categorization (low, medium, high, extreme) and the types of
damage encountered. The results of the observations obtained were that there
were 9 species of trees along the healing forest route. The dominant percentage
of individuals in the height class is 10-12 meters, DBH class is 25-40 cm and
in the canopy diameter class is 1.5-2.5 meters. Meanwhile, the percentage of
risk ranking for each part of the tree was found diverse but was dominated by
low-medium risk. Apart from that, the types of damage that are most often found
are slanted stems, dry stems prone to breaking and roots that are raised to the
surface.
Kata Kunci : Arborikultur, Pedoman ISA, Kondisi Fisik, Peringkat Risiko