Judul: Eksplorasi Dinamika Keterkaitan Social-Ecological System Perikanan Lobster di Pesisir Kabupaten Pangandaran, Provinsi Jawa Barat
Abstrak: Lobster merupakan komoditas ekonomis penting yang potensial di pesisir Pangandaran. Pengelolaan sumberdaya lobster dalam kerangka Social-Ecological System (SES) di pesisir Pangandaran belum teridentifikasi dengan baik. Penelitian ini bertujuan untuk memetakan dan menganalisis dinamika keterkaitan Social-Ecological System (SES) perikanan lobster (Panulirus spp.) dengan komponen-komponen berupa resources systems (RS), resources units (RU), resources actors (RA), dan resources governance (RG) sebagai input untuk merumuskan strategi pengelolaan perikanan lobster yang berkelanjutan di pesisir Pangandaran. Pengambilan data dilakukan pada bulan Mei hingga Juni 2023 di Kecamatan Cimerak, Kabupaten Pangandaran. Interaksi keterkaitan yang kuat terjadi pada hubungan antar komponen RA dan RS dimana perubahan interaksi dari keduanya dapat mengakibatkan adanya perubahan pada komponen lainnya., Lobster is a potentially important economic fisheries commodity on the coast of Pangandaran. Lobster fisheries management using the Social-Ecological System (SES) framework on the Pangandaran coast has not been well identified. This research aims to map and analyze the dynamics irrelationship between the Social-Ecological System (SES) of lobster (Panulirus spp.) fisheries with the components of resource systems (RS), resource units (RU), resource actors (RA), and resource governance ( RG) as input for developing a sustainable lobster fisheries management strategy on the Pangandaran coast. Data was collected from May to June 2023 in Cimerak District, Pangandaran Regency. Strong interrelated interactions occur in the relationship between RA and RS components where changes in the interaction of the two can result in changes in the other components.
Keyword: Connectivity, Lobster fisheries, Pangandaran coast, Social-ecological system

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: Construction of Strongly Optimal Binary Linear Code with Minimum Distance 9 and 11
Abstrak: A binary linear code of length n over q F is a subspace of n q F . A code has three parameters that attached to it, namely length, dimension, and minimum distance. A code with length n, dimension k and minimum distance d is often called [n, k, d ]-code. Usually, when two parameters are given, then we want to find a code that has the best value for the last parameter. Based on Gilbert- Varshamov bound, if a [n, k, d ]-code exists and can not be expanded, we call it a strongly optimal code. In this paper, we construct strongly optimal code with minimum distance 9 and 11. In constructing the code, we created a theorem and algorithm based on Gilbert-Varshamov bound before we implement the algorithm to MAPLE programming language. Because of computational limitations, the program can only construct up to k = 10 for d = 9 and k = 12 for d = 11.
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