Judul: Populasi dan Habitat Elang Ular Bido dan Elang Hitam di Taman Nasional Gunung Ciremai Jawa barat
Abstrak: Berkurangnya populasi Elang Ular Bido dan Elang Hitam disebabkan oleh beberapa faktor yaitu menyusutnya habitat alami akibat perambahan hutan, pencemaran lingkungan dan perburuan liar. Penelitian ini bertujuan mengetahui populasi dan mengetahui karakteristik habitat Elang Hitam dan Elang Ular Bido di Taman Nasional GunungCiremai, Jawa Barat. Data yang dikumpulkan dianalisis dan dihitung untuk mengetahui populasi, jumlah dan kepadatan, stuktur umur dan sex ratio. Kelimpahan populasi Elang Hitam yaitu 3,5 ± 0,3, sedangkan nilai kelimpahan populasi Elang Ular Bido sebesar 9,5 ± 1,6. Perjumpaan Elang Hitam pada kelas umur dewasa sebesar 57,15% dan remaja 42,85%. Elang Ular Bido pada kelas umur dewasa teramati sebesar 52,63% dan remaja 47,37%. Tidak ditemukan kelas umur juvenil pada kedua jenis elang. Habitat Elang Hitam dijumpai pada jalur hutan Cipari, Resort Bintangot, Bungkit Lambosir dan Buffer Sayana, sedangkan Elang Ular Bido dijumpai pada seluruh jalur kecuali jalur cilengkrang. Penggunaan habitat oleh Elang Hitam dan Elang Ular Bido pada hutan alam didominasi oleh aktivitas terbang dan istirahat., The decrement of the population of Bido snake eagles and black eagles caused by several factors, namely, shrinking natural habitat due to forest encroachment, environmental pollution, and illegal hunting. This research aims to find out the population and the habitat characteristics of black eagles and bido snake eagles in Mount Ciremai National Park, West Java. The collected data were analyzed and calculated to discover population, number and density, age structure and sex ratio. The abundance of the black eagle population is 3,5 ± 0,3, while the abundance value of the bido snake eagle population is 9,5 ± 1,6. Black eagle encounters in the adult age class were 57,15% and juveniles 42,85%. Bido snake eagles in the adult age class were observed at 52,63% and juveniles at 47,37%. No juvenile age classes were found for either type of eagle. The black eagle's habitat is found on the Cipari forest route, Bintangot Resort, Bungkit Lambosir and Buffer Sayana, while the Bido snake eagle is found on all routes except the Cilengkrang route. Habitat use by black eagles and bido snake eagles in natural forests dominated by flying and resting activities.
Keyword: Black Eagle, Bido Snake Eagle, habitat, population

Judul: Population and Habitat Javan Hawk-Eagle and Changeable Hawk-Eagle in SPTN 1 Kuningan Taman Nasional Gunung Ciremai Jawa Barat.
Abstrak: Elang jawa dan elang brontok merupakan salah satu jenis burung yang berada di TNGC dan terancam keberadaannya akibat perdagangan liar serta kebakaran. Penelitan elang jawa dan elang brontok di TNGC sangat sedikit. Peneltiian ini bertujuan mengidentifikasi habitat bagi elang jawa dan elang brontok pada TNGC SPTN 1 Kuningan. Data yang dikumpulkan meliputi titik perjumpaan, jumlah individu beserta jenis kelamin, perilaku, komponen dari habitat, vegetasi penyusun habitat, serta potensi pakan yang di temukan di area pengamatan. Populasi elang jawa setelah diamati berjumlah 8 ekor dengan karakteristik umur jantan, betina dan ditemukan 1 juvenile. Sedangkan perjumpaan pada elang brontok ditemukan 1 individu. Habitat dari elang jawa dan elang brontok diklasifikasikan berdasarkan fungsi penggunaan elang jawa dan elang brontok. Pohon sarang elang jawa adalah pohon kedondong hutan. Penggunaan habitat sebagai fungsi istirahat teramati menggunakan berbagai jenis pohon namun memiliki kesamaan karakteristik. Area berburu bagi elang jawa dan elang brontok berada pada hutan alam dan semak belukar., JHE and CHE are one of the type of birds that lived in TNGC its existence is threatened by various threats such as forest fires and illegal bird trade. Not much research has been done in TNGC, especially on JHE and CHE. This study aims to identify habitat for JHE and CHE in SPTN 1 Kuningan. The data that has been collected are meeting point, numbers of individual and its gender, behavior, habitat components, vegetation that formed habitat, and the potential feed found in the observation area. The population of JHE after being observed amounted to 8 with adult age and one juvenile. Otherwise, the population is found 1 individual. Habitat of JHE and CHE are classified according by its function of use. The nest tree of JHE used Spondias pinnata in natural forest. Habitat use for resting use different kind of tree and has similarity characteristic. Hunting area for JHE and CHE is in natural forest and thickets
Keyword: feed, nest, population, rest

Judul: Pervaporasi Alkohol Menggunakan Membran Polistirena-SDS
Abstrak: Polystyrene (PS) membrane with SDS as porogen can be utilized as a filter in alcohol pervaporation process. The membrane was prepared using inversed phase method with PS:SDS:dichloromethane solvent composition were 17:0:83; 17:0.5:82.5; 17:1:82; 17:1.5:81.5; and 17:2:81. Homogenization of mixtures were carried out for 10 and 20 hours and casted on glass plate surface then submerged it into water with temperature of 60 °C. Pervaporation capability was evaluated from flux value and separation factor. The average of water flux values in 20 hours sonication were higher than the values in 10 hours sonication. The highest separation factor was observed in PS membrane with 0.5% SDS concentration and homogenization in 20 hours is 5.23. Application of PS membrane in pervaporation as showed by purities of alcohol value using gas chromatography method revealed that the purities increase from 91.6 to 93.4%. Therefore, certain SDS addition can increase the performance of PS membrane in alcohol purification.
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