Judul: Mud Crab’s (Scylla serrata Forskal 1775) Response to Different Decaying Level of Gold Snail (Pomacea canaliculata Lamarck 1822) Bait
Abstrak: Mud crab is well known as omnivorous-vigorous-voracious-opportunistic-scavenger. These intertidal animals applies mainly chemoreception in their predatory behaviour. It has been commonly assumed that non fresh gold snail bait is better than fresh bait in stimulating the mud crab. This research's aim is to analyze mud crab response to different decaying level of gold snail bait. Their response were observed as time required to touch the bait and pattern and direction of the mud crab in approaching the baits. The different decaying level of gold snail baits were shown on Total Volatile Base Nitrogen (TVBN) as 16.3 mg/100g (0 day); 534.1 mg/100g (3 days); and 887.4 mg/100g (6 days). The research was conducted from July 2009 until February 2011. The TVBN test for gold snail baits were conducted at Laboratory of BBPPHP Jakarta. The experiment was conducted in Pemalang. The result showed that the average period of mud crabs to touch the baits were 52.14 minutes; 61.57 minutes and 52.57 minutes. Anova test concluded no sufficient evidence of significant effect of TVBN content of gold snail bait on mud crab’s feeding behaviour. Movement pattern B, i.e. left and right deviation followed by straight forward movement to the bait, was commonly exhibited by the crabs. Consequences of time period required by the mud crab to approach the bait on fishing operation is discussed.
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Judul: Penentuan Suhu Optimum untuk Meningkatkan Kelangsungan Hidup dan Pertumbuhan Benih Kepiting Bakau Scylla serrata (Forskal) pada Media dengan Sistem Resirkulasi
Abstrak: Supply of mud crab depand on nature stock because crab culture activities and cultivation technology is still limited, so that the exploitation of natural crab was in uncontrolled. In addition, the high mortality due to cannibalism is still the dominant factor affecting the maintenance of mud crab production, both in the larvae and post-larvae stage. A research aimed to examine the effect of temperature on the survival rate and growth rate of mud crab. The research had been done on April 2014 in the Laboratory of Aquatic Animal Physiology, Faculty of Fisheries and Marine Science, Bogor Agricultural University. The treatments consisted of the temperature medium 25±0,21oC (A), 27±0,15oC (B), 29±0,21oC (C), and 31±0,21oC (D). The mud crabs measuring of 90±2,02 g/fish were reared in an container with circulation system with a density of 8 fish/container during 28 days. The results showed that the mud crab were reared on different temperatures had a significant effect (p <0.05) on the survival rate and growth rate of mud crab. The temperature of 29±0,21oC was the optimum temperature for mud crab.
Keyword: Bogor Agricultural University (IPB), Mud crab., Growth rate, Survival rate, Temperature

Judul: Perencanan Lanskap Sunda Kalapa, Jakarta Utara Sebagai Kawasan W isata Sejarah
Abstrak: Perkembangan kota Jakarta dari waktu ke waktu sangatlah cepat, sehingga menyebabkan kota-kota tua banyak yang tergusur untuk dijadikan daerah baru yang lebih modern. Apabila hal tersebut tidak ditanggulangi secara dini maka keberadaan Kota Lama Jakarta akan hilang. Hal inilah yang melatar belakang untuk dilakukan tindakan perlindungan dan revitalisasi kawasan bersejarah Sunda Kalapa.
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