Interpretation of Upper-Storey Canopy Area in Subtropical Broadleaved Forests in Okinawa Island Using Laser Scanning Data

Jemali, Noor Janatun Naim; Shiba, Masato; Zawawi, Azita Ahmad

doi:10.17576/jsm-2015-4401-15

JSM

2015

DOI: 10.17576/jsm-2015-4401-15

|View full text |Cite

Interpretation of Upper-Storey Canopy Area in Subtropical Broadleaved Forests in Okinawa Island Using Laser Scanning Data

Noor Janatun Naim Jemali¹,

Masato Shiba²,

Azita Ahmad Zawawi³

Abstract: Conventional forest inventory practice took huge of effort, and is time-and cost-consuming. With the aid of remote sensing technology by light detection and ranging (LiDAR),

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2021

2024

Publication Types

Select...

Article2

Relationship

Self Cite0

Independent2

Authors

Journals

Cited by 2 publications

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Accuracy analysis of photogrammetric and GNSS RTK based land parcels mapping and measurement on area with dense vegetation and varied topography

Amirul Haq,

Budi Martono

2024

IOP Conf. Ser.: Earth Environ. Sci.

View full text Add to dashboard Cite

To accelerate the land registration process, Ministry of ATR/BPN of Indonesia instructed to use the photogrammetric method in the Pendaftaran Tanah Sistematis Lengkap (PTSL) started in 2023, stated in the PTSL technical instructions (JUKNIS) 2023 and 2024. Mapping of land parcels on PTSL carried out by digitizing orthophoto by community participation with additional measurements of land parcels that cannot be identified on orthophoto using GNSS RTK, which is an efficient measurement method that can measures high quantity coordinates within centimeter accuracy in a short duration. Banjarnegara Land Office, an office under ATR/BPN which in 2023 carried out PTSL project in accordance with JUKNIS, on the Kemiri and Karangmangu villages, Sigaluh District. The villages located next to each other, have varied topographic with tall and dense vegetation which can greatly influences the process and accuracy of land parcels mapping with photogrammetric method and measurements using the RTK method. In this research, an analysis will be carried out to determine the accuracy suitability of land parcel mapping and measurement based on JUKNIS in the area with varied topography and dense vegetation. This research shows that the mapping and measurement of land parcels as per JUKNIS and other regulations is satisfactory. The orthophoto map’s CE90 and LE90 accuracy is 0.281 meters and 0.673 meters, respectively, with the accuracy variability influenced by GCP coordinates quality and geometry. All digitized land parcel samples achieved planimetric accuracy standards (100%). And the RTK usage still suitable with 98.756% points that met the tolerance, but the accuracy is still affected with vegetation.

show abstract

Accuracy analysis of photogrammetric and GNSS RTK based land parcels mapping and measurement on area with dense vegetation and varied topography

Amirul Haq,

Budi Martono

2024

IOP Conf. Ser.: Earth Environ. Sci.

View full text Add to dashboard Cite

show abstract

Application of digital terrain model in identifying potential conservation area (PCAs) of subtropical forest in Okinawa, Japan

Jemali

Masami

Azita

2021

IOP Conf. Ser.: Earth Environ. Sci.

View full text Add to dashboard Cite

Conserving the Northern forest of Okinawa Main Island is very crucial and the selection of significant areas to be protected is a complex and challenging process. The altitudinal gradients provide ideal settings to determine priority area for conservation hence improving our understanding of species richness and distribution pattern. The study sought to identify potential conservation areas (PCAs) in the subtropical forest of Okinawa Island based on the Digital Terrain Model (DTM). Different elevation levels range from were overlaid with forestland owner boundary data, vegetation, protected parks and accessible forest road. Results showed that the available PCAs decreased with an increase of elevation gradient. Protected sites require a small area as possible to allow competing demands for development and other human activities. Considering the influence of the qualitative factors for site selection, the middle-peak elevation region in the study area was chosen as the priority area for protection and conservation sites. This finding was also compared to the preceding studies which influenced the diversity of flora, fauna, climate, and geographical factors at different altitudinal levels.

show abstract

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

customersupport@researchsolutions.com

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Made with 💙 for researchers

Part of the Research Solutions Family.

Interpretation of Upper-Storey Canopy Area in Subtropical Broadleaved Forests in Okinawa Island Using Laser Scanning Data

Abstract: Conventional forest inventory practice took huge of effort, and is time-and cost-consuming. With the aid of remote sensing technology by light detection and ranging (LiDAR),

Cited by 2 publications

References 11 publications

Accuracy analysis of photogrammetric and GNSS RTK based land parcels mapping and measurement on area with dense vegetation and varied topography

Accuracy analysis of photogrammetric and GNSS RTK based land parcels mapping and measurement on area with dense vegetation and varied topography

Application of digital terrain model in identifying potential conservation area (PCAs) of subtropical forest in Okinawa, Japan

Contact Info

Product

Resources

About