Judul: Analisis kesesuaian dan daya dukung ekosistem terumbu karang untuk pengembangan Wisata Bahari di Tuapejat Kabupaten Kepulauan Mentawai:
Abstrak: The area of coral reef ecosystem that exists in North Sipora (Tuapejat) reaches 55.0716 krn2, which consists of 30.7747 km2fi.inging reef and 24.2969 km2 shoal reefs. From the observation of the coral reef condition using LIT method in 13 permanent transect stations it can be seen that there were 6 stations that belong to coral reefs of good category, and 7 stations that belong to coral reefs of sufficientlaverage category. The category division refers to: 0 - 24.9% belonging to bad condition; 25 - 49.9% belonging to average condition, 50 - 74.9% belonging to good condition; and 75100% belonging to very good condition( Gomes and Yap, 1989). The percentage of life form coral reefs cover in general was dominated by hard coral Non Acropora. Coral of the genus Acropora is only dominant in station 12 and station 13. The other locations were dominated by Non Acropora from the genus Porites, Pocillopora, and Heliopora.
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Judul: Pemanfaatan Sumberdaya Terumbu Karang untuk Perikanan Tangkap dan Pariwisata di Pulau Pasi, Kabupaten Kepulauan Selayar, Provinsi Sulawesi Selatan
Abstrak: Coral reef ecosystem has been crucial for the community near the ecosystem especially in fisheries and tourism sector. Coral reef condition plays an important role not only for ecological but also economic sustainability. The study is tried to apply valuation technic for the aim of knowing the ecological condition and valuing coral reef ecosystem focussing on utility of fisheries and tourism in Pasi Island. Coral condition in Pasi Island is influencing those sectors, whereas the impact of MPA could increase the coral cover and fish abundancy that also influence the fisheries and tourism sectors. The possibility to implement entrance fee is tried to evaluate by asking tourist willingness to pay as a form of community awareness. Based on the effect of production method and travel cost method, we calculate economic value from fisheries about Rp. 2 665 016 072/ha/year and economic value from tourism about Rp. 53 700 760.31/ha/year. Using contingent valuation method, willingness to pay for entrance fee is Rp. 23 653.65,-/ person, therefore the benefit from entrance fee implementation worth over 146 million Rupiah per year. MPA implementation is observed have a positive effect on fisheries economic value.
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Judul: Kinematika Insulin dan Glukosa Darah Menggunakan Minimal Model Termodifikasi Waktu Tunda
Abstrak: Diabetes mellitus (DM) merupakan suatu kelompok penyakit metabolik dengan karakteristik hiperglikemia (meningkatnya kadar gula darah) yang terjadi karena kelainan sekresi insulin, kerja insulin atau keduanya. Penjelasan kinematika insulin dan glukosa dalam tubuh dapat dimodelkan menggunakan minimal model dengan berbagai parameter awal sebagai kalibrasi model tersebut. Minimal model ini juga dapat dimodifikasi dengan waktu tunda agar memperoleh hasil simulasi yang lebih akurat. Hasil yang didapat adalah minimal model termodifikasi waktu tunda memiliki korelasi yang lebih baik daripada minimal model tanpa waktu tunda. Korelasi untuk glukosa yang diperoleh dengan menggunakan waktu tunda melebihi 90% dan insulin melebihi 78%, sehingga pemodelan ini dikatakan layak untuk digunakan. Secara umum, hasil simulasi insulin pada minimal model termodifikasi waktu tunda lebih tinggi dibandingkan tanpa waktu tunda tetapi tidak ada perbedaan yang signifikan pada hasil simulasi glukosa. Dapat disimpulkan minimal model termodifikasi dengan menggunakan waktu tunda dapat memberikan pemahaman tentang kinematika insulin dan glukosa.
Keyword: diabetes mellitus, glukosa, insulin, minimal model, waktu tunda