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This study examines land-use transformation in Hamadi Rawa I, Jayapura City, focusing on the shift from water catchment to built-up land during 2015–2025. The research employs a mixed-methods approach, combining analysis of Google Earth imagery with interviews with community, government, and academic stakeholders. Findings show the catchment area shrank by 48% (from 17% to 8% of the total area), decreasing from 21.36 ha to 11.20 ha. The built-up area increased by 28.1%, from 70.78 ha to 90.67 ha, with residential development driving most of this growth (51.1%). Three spatial transformation patterns emerged: ecological fragmentation, linear service sector development, and concentric settlement patterns. Idle land was also identified as a phenomenon that damages ecological functions without providing a productive benefit. The conversion was driven by physical-natural factors (basin topography), economic factors (market proximity), socio-demographic factors (urbanization), and especially institutional factors. Customary land transactions outside state control created a governance dilemma between humanity and public order. The study recommends a proactive-collaborative approach with three key instruments: (1) Zero-Reclamation with Adaptive Permitting for stilt structures; (2) fiscal intervention using Idle Land Tax and Payment for Ecosystem Services; and (3) a Participatory Spatial Control Task Force integrating government and customary authorities (Ondoafi).

Traditional settlements are a reflection of the way of life, cultural values, and interactions of society with the natural environment. In the context of Luluo Village, settlement patterns are not only formed by physical factors such as topography and natural resources, but are also influenced by the local wisdom of the Gorontalo people who have a value system, customs, and cosmology-based spatial planning. The objectives of this study are: 1) To describe the traditional settlement patterns of Luluo Village, Biluhu District, Gorontalo Regency; 2) To analyze the development and changes in settlement patterns in Luluo Village; 3) To identify forms of local wisdom that play a role in the formation and preservation of settlement patterns. Method: used in this study is a qualitative descriptive method. Results: This study is 1) Traditional Settlement Patterns of Luluo Village seen from the distribution pattern of houses, building orientation, distance between houses, open spaces. 2) forms of local wisdom in traditional settlements. 3) The development of settlements in Luluo Village. 4) The impact of settlement development on socio-cultural life. Conclusion: Based on the results of this study, it can be concluded that the development of traditional settlement patterns in Luluo Village is a dynamic process influenced by environmental, social, cultural, and economic factors. Local wisdom is the main foundation in the formation and development of settlements, despite facing the challenges of modernization. Traditional settlement patterns based on local wisdom have proven capable of creating a harmonious, sustainable, and socially value-oriented residential environment.

The development of Jayapura City as the capital of Papua Province has grown into a region very rapidly from being a modern city. The classification of areas in Jayapura City is included in the heterogeneous area group where the types of population come from various tribes and regions that live in Jayapura City. The city of Jayapura has land and sea areas with different areas, and has residential characteristics as a traditional village. The settlements of Kampung Enggros and Kampung Tobati are located around the coast of Yotefa Bay, including in the South Jayapura District and Abepura District of Jayapura Municipality, where the community builds their settlements above sea water. One thing that residents will face is the relationship between humans and the places where they live, which cannot be separated from nature. The research methods used to achieve the objectives of this research are comparative analysis and qualitative methods. The comparative analysis method displays settlement patterns with comparisons between 2019-2023 in the form of images.  Qualitative descriptive analysis method by presenting actual settlement development problems in the field in the form of pictures. The research results show that there are 3 factors for settlement development in Enggros and Tobati Villages, namely, Community, Protection and Network. Society is changing from traditional to modern, for example traditional houses become modern houses that keep up with the times. The network turns into a spatial structure in a pattern that is influenced by the economic aspects of indigenous communities. The main thing is natural factors because in the general view of indigenous Papuans, what is meant by their home is the natural surroundings where they can live.