Judul: Dinamika Perikanan Karang di Taman Nasional Karimunjawa, Jawa Tengah
Abstrak: Fisheries crisis has been occurred worldwide and become greater in several decades. There is an indication of declining fish stock in Karimunjawa according to the study conducted by The Wildlife Conservation Society Indonesia Program and Karimunjawa National Park Authority. Therefore, this study aimed to assess reef fisheries dynamic, fishing effort dynamic, fisher’s operation strategies, and fisher’s adaptation strategies in response to declining in catch rate. Data were collected from fish landing survey, underwater visual census, and focus group discussion from May to December 2011. Fish biomass was analyzed to obtain the value of maximum sustainable yield. Catch per unit effort and seasonal index were analyzed to obtain fishing effort dynamic. Mean of trophic level was analyzed to describe impact of fishing gear to fish community structure, diversity index was analyzed to describe fishing gear selectivity and descriptive analysis was used for fisher’s tactic and fisher’s adaptation strategies in respond to declining catch rate. The results showed that maximum sustainable yield (MSY) could be predicted from biomass data through equation MSY = 0,724*Biomass + 10,15 indicating heavy fishing pressure and equation MSY = 0,383*Biomass + 5,375 indicating light fishing pressure. All fishing gears used in Karimunjawa were concluded as gears with high diversity index or low selectivity of the catch. Speargun contributed to make the highest catch and catch per unit effort (CPUE) compared to others fishing gears, however handline catches fishes from the highest trophic level, and muroami catches with highest rate per person per trip. According to most fishers, fishing operations strategies were highly influenced by weather conditions. The proportion of fishers that choose to adapt and exit the fishery in concomitant to the decline in catch was increased. The most common adaptation strategies used were reducing fishing effort, changing gears, and move to other fishing grounds. Assessing natural and human system dynamic is essential factors in managing reef fisheries with high consideration to the balance between ecological and socioeconomic factors.
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Judul: Pengembangan Perikanan Tangkap di Kawasan Taman Nasional Karimunjawa Jawa Tengah
Abstrak: Kawasan Kepulauan Karimunjawa merupakan sebuah taman nasional di mana hampir 60,25% dari jumlah penduduknya berprofesi sebagai nelayan. Zona untuk usaha penangkapan hanya terbatas pada zona pemanfaatan perikanan tradisional. Sehingga perlu upaya untuk menyelaraskan kepentingan perikanan tangkap yang ada di lokasi Taman Nasional Karimunjawa (TNKJ). Penelitian ini bertujuan untuk: (1) mengevaluasi sistem zonasi yang ada di TNKJ, dan (2) menyusun prioritas pengembangan perikanan tangkap. Evaluasi sistem zonasi dan identifikasi keterpaduan kegiatan antar zona yang ada di Karimunjawa dilakukan secara deskriptif; pemilihan prioritas komoditas perikanan unggulan dan alat tangkap ideal yang menunjang perkembangan pariwisata bahari dirumuskan berdasarkan metode independent preference evaluation (IPE) dalam kaidah fuzzy group decision making (FGDM), di mana pembobotan terhadap masing-masing kriteria dilakukan dengan metode ordered weighted averaging (OWA). Kelayakan usaha dari kegiatan penangkapan ikan diketahui melalui analisis finansial dengan kriteria net present value (NPV), net benefit cost ratio (Net B/C), dan internal rate of return (IRR); dan untuk memilih alternatif prioritas pengembangan perikanan tangkap digunakan metode fuzzy analytical hierarchy process (fuzzy AHP).
Keyword: Development, Capture fisheries, Karimunjawa National Park, Independent Preference Evaluation, Fuzzy AHP

Judul: Rancang Bangun Alat Ukur Kadar Larutan Glukosa Berbasis Film Barium Stronsium Titanat (BST)
Abstrak: Barium strontium titanate (BST) is a photodiode as a ferroelectric material that has been developed in many application such as sensor technology. The purpose of this study is to design a simple measurement tool of glucose with BST thin film as the sensor component and the signal conditioning. The measurement tool test was done by measuring blood glucose levels ranging from 20 to 180 mg/dL, which is the range of glucose levels for person who has lack glucose to the excess glucose. The test results showed that the measurement tool could detect each addition of glucose levels by 1 mg/dL which would reduce the value of the output voltage of 0.0022 V. In addition, the test results showed that the response of the circuit approach to linear, the correlation coefficient (R2) is 0.9155 and 0.8931. The test results also showed good hysteresis as showed by the relatively same graphic plots.
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