Langkat merupakan salah satu kabupaten yang memiliki kawasan mangrove terluas di Provinsi Sumatera Utara. Sejalan dengan pertumbuhan dan perkembangan penduduk maka kebutuhan akan lahan semakin meningkat pula. Hal tersebut juga sangat berpengaruh terhadap peningkatan aktivitas konversi lahan mangrove. Berangkat dari permasalahan tersebut perlu adanya monitoring perubahan kawasan mangrove dalam 30 tahun terakhir. Metode yang digunakan dalam penelitian ini adalah pendekatan penginderaan jauh dan sistem informasi geografis untuk mengekstrak dan menganalisis informasi perubahan luasan mangrove yang terjadi selama ini 30 tahun terakhir (1989-2019). Hasil penelitian menunjukkan perubahan luasan mangrove sangat efektif dilakukan dengan menggunakan Citra Landsat 5 TM dan 7 ETM Pemisahan mangrove dengan objek non mangrove menggunakan metode klasifikasi unsupervised. Analisis kerapatan mangrove menggunakan formula NDVI dengan bantuan software Envi4.7. Hasil citra Landsat 5 TM dan citra Landsat 7 ETM+ diperoleh tingkat kerapatan mangrove sedang mendominasi distribusi hutan di pesisir pantai Kabupaten Langkat. Adapun pada rentang waktu 1989 hingga 2019 terjadi penurunan di kawasan mangrove di Langkat seluas 7.606,3234 Ha. Faktor penyebab berkurangnya kawasan mangrove di Langkat adalah konversi lahan menjadi pertanian dan perkebunan.

Pulau Bokori merupakan salah satu destinasi wisata bahari yang menjadi tempat tujuan pariwisata di Sulawesi Tenggara. Pengembangan Pulau Bokori yang dilakukan pemerintah daerah secara langsung akan memberikan pengaruh bagi masyarakat sekitar. Masyarakat Bajo di Desa Mekar adalah masyarakat yang mendiami daerah sekitar pulau bokori dengan mata pencaharian sebagai nelayan dengan tingkat kemiskinan yang sangat tinggi yakni seluruh masyarakatnya tergolong masyarakat miskin. Keberadaan wisata pulau bokori ini akan memberikan perubahan pada kondisi sosial seperti perubahan gaya hidup dan ekonomi seperti perubahan mata pencaharian, peningkatan pendapatan, perubahan pemilikan asset dan kondisi rumah masyarakat Bajo. Tujuan penelitian ini adalah mengetahui dampak pengembangan wisata pulau Bokori terhadap kondisi sosial dan ekonomi masyarakat Bajo di Desa Mekar. Analisis data yang digunakan di penelitian ini menggunakan metode deskriptif kuantitatif dan kualitatif. Hasil penelitian menunjukkan bahwa pengaruh sosial berupa gaya hidup melalui cara berpakaian masyarakat Bajo akibat adanya wisata Pulau Bokori sangat kecil, yaitu sebesar 10,34 % saja. Sedangkan gaya hidup melalui cara berkomunikasi dengan menggunakan handphone, terjadi perubahan yaitu sebesar 65,52%. Dampak ekonomi terhadap penambahan mata pencaharian akibat adanya wisata pulau bokori bagi masyarakat Bajo terlibat dalam usaha di sektor wisata, seperti jasa penyeberangan, pedagang kaki lima, penyewaan tikar, penjual makanan sate pokea dan tenaga kerja banana boat. Sehingga terjadi perubahan pendapatan masyarakat dari sector wisata.

information from other sources. Primary and secondary data were benchmarked based on a modified EQA framework which places great emphasis on people elements.There are three categories and 13 critical factors which, combined, can deliver degrees of effectiveness in people management. These are discussed individually in the following section and in addition to highlighting their relevance and degree of importance, specific examples of best practice are provided. Leadership Top management commitmentPorter and Parker[1], Saraph et al. [2] and Wilkinson et al. [3] are unanimous in their finding that top management commitment is an essential precondition for successful quality management. Porter and Parker[1], for instance, found in their survey that if TQM is viewed by management as an "optional extra" it is likely to fail. This message is clearly manifested in leading organizations in the field of TQM as illustrated in this study.All top managers in the five companies analysed through secondary means are personally involved in formulating, communicating and implementing TQ initiatives. Rank Xerox senior executives are actively involved in external benchmarking exercises, while senior managers in AT&T "dirty their hands" in quality reviews, develop improvement plans and finally lead action teams in implementing the plan. In contrast, personal involvement of senior managers in TQ initiatives was not much in evidence in the five primary data companies.Role-model behaviour is an important guideline for all managers. It will serve as a

Fishery modernization by the Government of Indonesian is intended to alleviate fishery community poverty including for Bajau Ethnic fishermen.  This research is aimed at studying the relationship between the meaning of sea and work by fishermen and their acceptance to fishery modernization, impact analyzing of fishery modernization to work pattern, social structure, and the propesperity level.  This research is conducted in Lagasa Village, District Of Muna Southeast Sulawesi where Bajau ethnic stay.  Respondents consist of 45 ponggawas, 30 local sawies, and 25 sawies from outside village, 5 others as informants. Impacts of modernization to the fisherman community were shown by changes of job pattern that consisted of increasingly the capacity to explore and number of workers (sawi), the character of job tent semi-free labor system, the recruitment of workers became more selective, and the division of labor became more clear and hierarchism. After that, the impacts on the social structure occurred especially on the organizing of sharing holder system that was increasingly more formal, social stratification became more complex, economic activity more differentiated, and the pattern of work relation became semi-exploitative.Key words: impact of modernization, fisherman community, Bajau ethnic

Collaboration in the management of mangrove areas is a role for every social element in local government, the community, and the private sector. Co-management is an alternative solution in the form of management that integrates the roles and interests of everyone in the mangrove rehabilitation program. This study aims to analyze the role and level of influence of the interests of each actor in mangrove rehabilitation activities in Langkat Regency. The research method uses descriptive-qualitative data collected from the results of questionnaires, interviews; Field observations are processed in the form described in the description in the tabulation. From the results of this study, the form of joint management in mangrove rehabilitation is at a consultative stage where the government starts to consider local views in the decision-making process, the level of participation of each stakeholder is in a low category, so this Study recommends that the form of participation of each stakeholder can be improved through the form of joint regulations, sustainability programs and systematic work distribution that is disseminated to every implementer of mangrove rehabilitation programs in Langkat District.