Judul: Pendugaan model pertumbuhan populasi dan daya dukung habitat wallaby lincah (Macropus agilis papuanus, Peters and Doria, 1875) di Taman Nasional Wasur
Abstrak: Wallaby lincah (Macropzrs agilis papuanus) terdapat di Kepulauan New Guinea, merupakan spesies endemik, flagship, unik, serta simbol marga masyarakat adat. Populasinya menurun akibat perburuan oleh masyarakat untuk memenuhi permintaan pasar, adanya suksesi jenis vegetasi galam (Melalezica spp) dan invasi jenis tumbuhan eksotik pada ekosistem padang rumput. Tujuan penelitian adalah untuk mengetahui karakteristik dan daya dukung habitat wallaby lincah, pendugaan parameter demografi dan penyusunan model pertumbuhan populasi.
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Judul: Preferensi Pakan dan Perilaku Makan Walabi Lincah (Macropus agilis Peters and Doria,1875) di Kebun Binatang Gembira loka Yogyakarta.
Abstrak: Agile wallaby (Macropus agilis Peters and Doria, 1841) is a marsupial fauna endemic in Papua. Population of agile wallaby is declining significantly because of illegal hunting, reducing and changing of their savanna habitat, competition with timor deer (Rusa timorensis), and forest fire. One of ex-situ conservation strategy of agile wallaby is the captive breeding. Food preference and feeding behavior is the important factor in the breeding. This research used Focal Animal Sampling method. The result research shows that the most prefered feed is water spinach (Ipomea reptans) with the index is 1.58. Based on the test Chi-Square (X2) test known significant (P > 0.05), that the behavior of eating males and females wallaby are not far different from pattern of walking, approach, taking, chewing and ruminating. The palatability and the highest feed preferences on the type of water spinach and the common feeding behavior of agile wallaby are by walking, probing by smelling, eating, chewing and ruminating.
Keyword: food preferences., feeding behavior, feeding palatability, consumption, agile wallaby

Judul: Sintesis dan Pencirian Benzalkonium KIOl'ida
Abstrak: One active compound which is used in disinfectant is benzalkonium chloride. It is one of the safest biocides known and has a long history of efficacious use; hence, benzalkonium chloride becomes important in disinfectant production. Accordingly, economically benzalkonium chloride synthesis needs to be found. The principle of benzalkonium chloride synthesis is alkylation of amine compound by linear synthesis route. First of all, ammonium carboxylic salt was synthesized with yield of 87% and showed infrared absorption of N-H stretch at 3428 cm·l , strong absorption of C=O stretch at 1717 cm-I, and also aliphatic C-H stretch at 2849 cm-I and 2917 cm-I. Secondly, an amide was synthesized with yield of 84% and showed strong absorption of C=O stretch at 1704 em-I, absorption of aliphatic C-H at 2849 cm-I and 2917 em-I, and also absorption of CNat 942 em-I. In the third step, the amine was synthesized with yield of 89% and showed disappearance of C=O stretch at 1700 cm-I . In the last step, benzalkonium chloride was synthesized through 2 ways, i.e. reflux and microwave assisted organic synthesis (MAOS). Both benzalkonium chloride infrared spectra, fi'om reflux and MAOS, showed some absorptions of aryl C-H stretch at 3033 cm-I , aryl C-C bending at 1455 cm-I , 1496 cm-I and 2 peaks which were shouldershaped at around 1600 cm-I . This last step gave a mixed product which was proven by absorption at 1700 cm-I . Consequently, the yield could not be calculated.
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