Garuda - Garba Rujukan Digital

Article Per Year (5 Year)

p-Index From 2020 - 2025

P-Index

This Author published in this journals

All Journal Jurnal Harpodon Borneo

Rachmawani, Dori

Jurnal Harpodon Borneo

Author-ID : 832026

Agriculture, Biological Sciences & Forestry Environmental Science

Published : 4 Documents Claim Missing Document

Claim Missing Document

Articles

STUDI KANDUNGAN KITOSAN CANGKANG KAPAH (Meretrix sp.) DI PANTAI AMAL LAMA Prayogo, Edy; Rachmawani, Dori
Jurnal Harpodon Borneo Vol 4, No 2 (2011): Volume 4 No 2 Oktober 2011
Publisher : Jurnal Harpodon Borneo

Chitosan is a polysaccharide that obtained by deacetylation of chitin. In this present day, chitosan been widely applicated and exploited in many sector of human life. Oriental hard clam was which one of fisheries commodity of Tarakan city, however it shells not yet been optimally exploited. The purpose of this research was to know the content of chitosan in oriental hard clam shell at Amal Lama beach. Sample determined by purposive sampling method. Meanwhile the isolation chitosan are using Hong and Knorr methods. The data that collected is chitosan content (mg) in each of ten shells, analyzed by linear regression test. Based on result of the research, known that chitosan content on each shells of oriental hard clam was -4,594 grams and every 1 cm wide addition of shell would increased the chitosan that consist on it amount to 1,329 grams. Furthermore, the result of regression linear test showed that size of Kapah shell affecting chitosan content in it, with contribution of 85,9% and the remain 14,1% are influenced by other factors.Keywords : Oriental hardclam, chitosan content, Amal Lama beach

ANALISIS KELIMPAHAN POPULASI Telescopium telescopium DI KAWASAN KONSERVASI MANGROVE DAN BEKANTAN KOTA TARAKAN Gazali, Salim; Rachmawani, Dori; Mathius, Kristiani Rani
Jurnal Harpodon Borneo Vol 10, No 2 (2017): Volume 10 No.2 Oktober 2017
Publisher : Jurnal Harpodon Borneo

Research objectives is to know abundance of offerings shared with percent of the population T.telescopium in a habitat of those mangrove KKMB the city of Tarakan. The research uses a method of descriptive method. The sample collection be paid out starting on different stations in the regions KKMB and stations 2 in the expansion of KKMB. Each station also carried out 6 plot with the size of 10x10 meters with the methods purposive the sampling method. The sample collection t.telescopium performed on recede lowest and extraction of secondary data of a variable pH, salinitas and at such a temperature (in-situ) and analysis of a sample of sediment. The results of the study abundance T.telescopium is highest in the expansion of the average value of station KKMB 0,102 ind/m2 and on the average value of station KKMB 0,088 ind/m2. Based on analysis substratum research the ground in two stations of different there are different substratum dominant the dust was 48% in KKMB and types of the substrate at the station KKMB down the dust was 51 %. Based on the results of the analysis that pH and the temperature at two stations of different having the value of the average the same situation namely that 7-8 and 27-28oC.The measurement result salinitas in both station average range 28ppt – 30ppt.

STUDI KANDUNGAN KITOSAN PADA KEONG BAKAU (Telescopium sp) DI KAWASAN KONSERVASI MANGROVE KELURAHAN PAMUSIAN KOTA TARAKAN ., Hendrawan; Rachmawani, Dori
Jurnal Harpodon Borneo Vol 4, No 2 (2011): Volume 4 No 2 Oktober 2011
Publisher : Jurnal Harpodon Borneo

The purpose of this research is to know the chitosan content on telescope snail (Telescopium sp) in mangrove conservation area of Tarakan city. Sample was determined and been measured in the location (in situ), and the chitosan content test was done in Water Quality Laboratory of Marine and fisheries faculty of Borneo Tarakan University. The result was conducted in mangrove conservation area of Tarakan city from December 2010 to May 2011 include preparation, implementation research (data collection, processing and data analysis and report). Result shows that the length of the shell effect on the chitosan content in telescope snail shell and contribution of length shells based on the overall test as much 385,1856 grams of shell powder produced 33,0863 grams chitosan. Keywords : Shell length, Chitosan content, Mangrove conservation of Tarakan city.

STRUKTUR KOMUNITAS GASTROPODA PADA KOMUNITAS MANGROVE DI PANTAI AMAL LAMA KOTA TARAKAN Rachmawani, Dori
Jurnal Harpodon Borneo Vol 3, No 1 (2010): Volume 3 No. 1 April 2010
Publisher : Jurnal Harpodon Borneo

The study of structure communities gastropoda was since at communities mangrove in OldAmalBeachon November 2009. Taking sample do by using method transek quadrate. The analysis of data was density, abundance, and frequency presence use formula krebs (1978) and Index unity, Index dominansi and Suitability use formula odum (1994). The result of the research was show kind gastrophoda meet consist of 5 species from superfamily buccinacea, Family melongenidae, Genus melongena schumacher, With a few species are melongena funnel, Melongena patula, Pugilina morio, Pugilina sp, Melongena sp. Index of unity about 0,6689, Index dominansi about 0,2264 and Index suitability about 0,4156 Keyword: Gastropoda, Mangrove, Old Amal Beach

Co-Authors ., Hendrawan Gazali Salim Mathius, Kristiani Rani Prayogo, Edy

Title

Found 4 Documents
Search

Abstract

Abstract

Abstract

Abstract

Title Search

Found 4 Documents Search

Abstract

Abstract

Abstract

Abstract

Title

Found 4 Documents
Search