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Now showing items 141-150 of 172
Struktur komunitas perifiton di tambak bersubstrat pasir
(IPB (Bogor Agricultural University), 2002)
Perifiton adalah komunitas mikroorganisme yang hidup menempel atau berada di sekitar substrat tenggelam. Komunitas ini sangat berperan dalam kelangsungan hidup biota perairan. Selain dapat dimanfaatkan sebagai pakan alami, ...
Sistem saprobik modern sebagai pendekatan dalam evaluasi kualitas perairan sungai
(IPB (Bogor Agricultural University), 2007)
Indikator biologis berkembang dari dasar pemikiran bahwa perubahan lingkungan akan mengubah keberadaan organisme, baik secara individu, populasi, atau pun komunitas. Oleh karena itu, keberadaan suatu organisme dapat dijadikan ...
Rheoplnkton from highland river-water of Kayan Mentarang National Park, East Kaliamantan, Indonesia
(IPB (Bogor Agricultural University), 2005)
Kayan Mentarang National Park laid on 900-1100m from sea level. Highland river-water usually categorized as oligotrophic waters which lack of nutrients. However litter from terrestrial vegetation might become the source ...
A study on the exploration and identification of bio-active components from some tropical hardwoods and the possibility of their use as natural preservatives
(IPB (Bogor Agricultural University), 2007)
The development of the new type of preservatives will be one of the most social demanded subject. One of the new type of preservatives which can be explorated from the tropical forest is wood extractives which has toxicity ...
Analysis on Lemuru (Sardinella lemuru Bleeker, 1853) Schools of Different Seasons in Bali Strait Waters
(IPB (Bogor Agricultural University), 2007)
Information about catch com postilion, catch per unit effort (CPUE), length and weight of fish and location of fishing ground of lemuru ( Sardinella lemuru Bleeker, 1853) schools are quite important for ihc succeed of purse ...
Rearing of Milkfish, Chanos Chanos, in Net Cages at Sea at Various Stocking Densities
(IPB (Bogor Agricultural University), 2007)
Stocking rate of milkfish, Chanos chanos, from 75 to 225 fish/m3 or from 1,33 to 3,98 kg/m3 did not affect the growth rate, survival rate, feeding efficiency, and final length and weight offish, each at 2.32%/day. 81,8%, ...
Fenotipe keturunan pertama ikan koi hasil hibridisasi
(IPB (Bogor Agricultural University), 2002)
This experiment was conducted to study phenotype of F1 koi that were obtained from hybridization. Females koi that was used for this experiment were white-red koi, red-black koi, and white-black koi: whereas males used ...
Pemisahan dan karakterisasi emulsifier dalam minyak cacing tanah (Lumbricus rubellus)
(IPB (Bogor Agricultural University), 2006)
Emuisifier in earthworm oil is expected as phospholipid. It is produced from degumming process by the variation of phosphoric acid and citric acid added 0,1% v/w and 0.2% v/w. The highest yield of gum was produced by adding ...
The exploration of the potency of ftir spectroscopy and chemometrics for extract bioactivity prediction and rapid analysis of bioactive content of medicinal plants
(IPB (Bogor Agricultural University), 2006)
An infrared spectra is a characteristic representation for a chemistry system. There are many researches have been conducted for the interpretation supported by chemometric method which aimed for metabolite fingerprinting. ...
Pembuatan papan semen-gypsum dari core-kenaf (Hibiscus cannabinus L.) menggunakan teknologi pengerasan autoclave
(IPB (Bogor Agricultural University), 2007)
Cement and gypsum bonded celluloses fiber reinforced materials are ultimately ideal ecological building products. Their capability in using industrial co-products and wastes as both their matrix material make ils reinforcement ...