Judul: Social-Ecological System Connectivity of Lobster Fisheries (Panulirus spp.) in Waters of Sukabumi Regency, West Java Province
Abstrak: Lobster merupakan komoditas perikanan unggulan yang terdapat di Kabupaten Sukabumi. Pengelolaan sumberdaya lobster di perairan Kabupaten Sukabumi belum terpetakan dengan baik dalam kerangka sistem sosial-ekologi (SES). Penelitian ini bertujuan memetakan konektivitas antar sistem sosial-ekologi perikanan lobster di Kabupaten Sukabumi dengan komponen Resources Systems (RS), Resources Units (RU), Resources Actors (RA), dan Resources Governance (RG) serta keterkaitannya satu sama lain untuk merumuskan strategi pengelolaannya. Penelitian dilakukan pada bulan Januari 2023 hingga bulan April 2023 di wilayah perairan Kabupaten Sukabumi, Provinsi Jawa Barat. Penelitian ini dilakukan dengan menggunakan pendekatan Social-Ecological System (SES). Hasil penelitian menunjukkan adanya pengaruh dan interaksi yang positif antara Resources Actors (RA) dengan Resources Units (RU) dalam Resources Systems (RS), namun relatif negatif dalam kerangka sistem Resources Governance (RG). Strategi pengelolaan sumberdaya lobster dapat dilakukan melalui kolaborasi yang baik antara pemerintah dan pengguna sumberdaya untuk menjaga kelimpahan sumberdaya lobster., Lobster is a leading fishery commodity in Sukabumi Regency. Management of lobster resources in the waters of Sukabumi Regency must be adequately mapped within the social-ecological system (SES) framework. This study aims to map the connectivity between and within components of the social-ecological system of lobster fisheries in Sukabumi Regency with the components of Resources Systems (RS), Resources Units (RU), Resources Actors (RA), and Resources Governance (RG) and their interrelationships with one another to formulate a management strategy. The research was conducted from January 2023 to April 2023 in the territorial waters of Sukabumi Regency, West Java Province. This research was conducted using the Social-Ecological System (SES) approach. The results of the study show that there is a positive influence and interaction between Resources Actors (RA) and Resources Units (RU) in Resources Systems (RS) but relatively negative in the framework of the Resources Governance (RG) system. Lobster resource management strategies can be carried out through good collaboration between the government and resource users to maintain the abundance of lobster resources.
Keyword: connectivity, lobster, management, social-ecological system

Judul: Eksplorasi Dinamika Keterkaitan Social-Ecological System Perikanan Lobster di Pesisir Kabupaten Garut, Provinsi Jawa Barat
Abstrak: Lobster (Panulirus spp.) adalah salah satu komoditas yang memiliki nilai jual yang tinggi. Indonsesia merupakan salah satu negara di dunia yang melakukan ekpor lobster dengan posisi ke-17 di dunia. Sedangkan di tingkat ASEAN, Indonesia merupakan eksportir utama lobster dunia. Tujuan penelitian ini adalah memetakan sub sistem dan dinamika keterkaitan antar sub-sistem social-ecological system (SES) perikanan lobster yang terdiri dari resources system (RS) ekosistem perairan Kabupaten Garut, resources unit (RU) perikanan lobster, resources actors (RA) dan resources governance (RG) di perairan Kabupaten Garut. Penelitian ini dilaksanakan mulai bulan Mei hingga Juni 2023. Komponen SES yang memiliki hubungan sangat kuat adalah RU dengan RA. Hubungan antara RA yang memanfaatkan sistem RS dan RU diatur dengan sistem tata kelola di pesisir Kabupaten Garut (RG)., Lobster (Panulirus spp.) is one commodity with high selling value. Indonesia is one of the countries in the world that exports lobster with the 17th position in the world. While at the ASEAN level, Indonesia is the world's main lobster exporter. The purpose of this study is to map the sub-systems and the dynamics of interrelationships between sub-systems of the social-ecological system of lobster fisheries consisting of the resource system (RS) of the Garut Regency water ecosystem, resource units (RU) of lobster fisheries, resource actors (RA) and resource governance (RG) in Garut Regency waters. This research was conducted from May to June 2023. SES components that have a very strong relationship between RU and RA. Relationship between RA using RS and RU regulated with the coastal governance system in Garut district (RG).
Keyword: Konektivitas, Panulirus spp, Social-Ecological System

Judul: Sintesis dan Pencirian Natrium Titanat (Na2Ti2O4(OH)2) Berbahan Dasar Titanium Dioksida
Abstrak: TiO2 can be utilized as basic material for synthesis of sodium titanate (Na2Ti2O4(OH)2). This research was purposed to synthesize and characterize sodium titanate from TiO2 rutile powder as a basic material. Sodium titanate was synthesized by hydrothermal process at temperature 130 °C by mixing TiO2 rutile powder with 5 M and 10 M NaOH solution, then each was calcinated at temperature 700 °C. The energy dispersive X-ray analysis showed that sodium titanate has been successfully synthesized. This result was also supported by functional group analysis with Fourier transform infrared (FTIR) spectrofotometer showing the existence of Ti-O-Na vibration band at 989.42 cm-1. The formation of sodium titanate was depend on the reaction condition such as temperature, reaction time, and NaOH concentration. Scanning electron microscope image indicated that sodium titanate synthesized at 130 °C in 20 hours reaction time with 10 M NaOH had crystal size of 99.37 nm.
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