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INDONESIA
Jurnal Hidrosfir Indonesia
Published by Badan Pengkajian dan Penerapan Teknologi
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Articles 10 Documents
 1 
Search results for , issue "Vol 1, No 1 (2006)" : 10 Documents clear
STRUKTUR KOMUNITAS DAN KERAGAMAN PLANKTON ANTARA PERAIRAN LAUT DI SELATAN JAWA TIMUR, BALI DAN LOMBOK Sachoemar, Suhendar I; Hendiarti, Nani
Jurnal Hidrosfir Indonesia Vol 1, No 1 (2006)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (63.99 KB)

Abstract

A study of the plankton variability and their community structure in the Southern Coastal Area of East Java-Bali-Lombok was conducted to obtain the information of their characteristics and the status of microscopic marine organism in relation to the marine environment on the based of the biological observation. The results show that the marine environment ecologically was stable and productive due to the upwelling occurrencein the South East Monsoon. The plankton communities generally can be found consist of three classes of the phytoplankton (Cyanophyceae, Dinophyceae and Bacillariophyceaea) and two classes of zooplankton (Ciliata and Crustacea). There is no dominance of certain plankton in the observation area and the distribution among the species are relatively proportional.
STUDI TENTANG LAJU RESPIRASI BIOTA PERAIRAN Santoso, Arif Dwi
Jurnal Hidrosfir Indonesia Vol 1, No 1 (2006)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (38.57 KB)

Abstract

The respiration rate of Hump back grouper (Cromileptes altivalis) and TigerGrouper (Epinehelus fuscogutattus) were measured in the laboratory usingfish-chamber to determine how deferent among them and how these wereaffected by body weight. Results showed body weight influenced respirationrates and there are variation of studied respiration levels between Humpback grouper and Tiger Grouper. Respiration rate of Hump back and Tigergrouper were 534,2 mgO2/h and 421,4 mgO2/h respectively. The functionsfor correlation between respiration of Humpback grouper and their weightwas y = 0.0065x + 0.1202 while for Tiger grouper was y = 0.0038x + 0.6108.
PENGARUH PERBEDAAN DOSIS OKSIGEN TERLARUT (DO) PADA DEGRADASI AMONIUM KOLAM KAJIAN BUDIDAYA UDANG Komarawidjaja, Wage
Jurnal Hidrosfir Indonesia Vol 1, No 1 (2006)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (42.839 KB)

Abstract

The objective of the study is to determine the effectiveness of bacterial application and various continuous dissolved oxygen (DO) treatment for nitrogen (ammonia, nitrite and nitrate) degradation in shrimp culture. The DO treatment was set as 4.5 mg/L for treatment-I, 5.5 mg/L for treatment-II and 6.5 mg/L for treatment-III. The batch oxidation was conducted for a period of 20 days. The temperature, pH, salinitas, DO, ammonia, nitrite and nitrate were determined.Based on some previous research papers. NH3 becomes toxic to shrimp if the concentration is higher than 0.54mg/Lr. NH3 measurement on this experiment was about 0.01 mg/L up to 2.5 mg/L, but frequently was found lower than 0.54 mg/L in the pond under treatment-III (6.5 mg/L DO).The result also indicates that nitrification process in the experiment pond was not only depend on DO level and abundance of nitrifier, but also was influenced by a possibility of the occurrence of organic compound that inhibit nitrification.
MODEL PENETUAN KAWASAN RESAPAN AIR UNTUK PERENCANAAN TATA RUANG BERWAWASAN LINGKUNGAN Wibowo, Mardi
Jurnal Hidrosfir Indonesia Vol 1, No 1 (2006)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (30.24 KB)

Abstract

Regional spatial planning is done for anticipate increasing and developpingsocial-economic activity. Generally, spatial planning tend to spatial valueand economic value, on the other hand environmental value is ignored. Forexample : in saptial planning is no space for conservation area for rechargearea. For determine (mapping) suitability a zone for recharge area needrequirements or a model for guidelines to determine recharge area. Generallyrequirements or parameter are used for mapping recharge area are materialpermeability, rain intensity, soil, slope and depth of groundwater surface.
BENTIK MAKROINVERTEBRATA SEBAGAI BIOINDIKATOR POLUSI LAHAN PERAIRAN Tjokrokusumo, Sabaruddin Wagiman
Jurnal Hidrosfir Indonesia Vol 1, No 1 (2006)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (145.484 KB)

Abstract

Inline with increasing population growth and progressive development inIndonesia, implementation of environmental regulation and enforcement ofenvironmental law, aquatic ecosystem was impacted by wastewater pollutionfrom several sources, including point and non-point sources of pollution.Aquatic pollution could be seen physically and can be traced through chemical and biological monitoring. Biologically water pollution can be detected through occurrence of flora and fauna of stream dwelling organisms because they were interacted physically and adapted with daily pollution materials and wastewater loadings. Stream dwelling flora and fauna either benthic macro and micro organisms have ability to adapt and assimilate pollution based on their sensitivities. Therefore their variable sensitivities can be used for approaching water pollution index. Hynes (1977) stated that water flora and fauna can be used as indicators of water pollution, such as algae, bacteria, protozoa, macroinvertebrates, and fish. However, a group of macro-invertebrates has been used for biomonitoring for decades, because of their habitat preferential factors, their slow mobility, biodiversity, and sensitivity. In addition, macroinvertebrates can been seen with naked eyes or using only with simple devices. A macroinvertebrate is an organism without backbone dwelling water ecosystem as its niche and habitat. This animal is ubiquitous in freshwater habitat, and also in brackish water and even in marine environment. An effort to use this biota as indicator of water pollution has been attempted in foreign countries such as Europe, America and Australia, and even South Africa. We believe that this kind of method can be applied one day in Indonesia.
STRUKTUR KOMUNITAS DAN KERAGAMAN PLANKTON ANTARA PERAIRAN LAUT DI SELATAN JAWA TIMUR, BALI DAN LOMBOK Sachoemar, Suhendar I; Hendiarti, Nani
Jurnal Hidrosfir Indonesia Vol 1, No 1 (2006)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (63.99 KB)

Abstract

A study of the plankton variability and their community structure in the Southern Coastal Area of East Java-Bali-Lombok was conducted to obtain the information of their characteristics and the status of microscopic marine organism in relation to the marine environment on the based of the biological observation. The results show that the marine environment ecologically was stable and productive due to the upwelling occurrencein the South East Monsoon. The plankton communities generally can be found consist of three classes of the phytoplankton (Cyanophyceae, Dinophyceae and Bacillariophyceaea) and two classes of zooplankton (Ciliata and Crustacea). There is no dominance of certain plankton in the observation area and the distribution among the species are relatively proportional.
STUDI TENTANG LAJU RESPIRASI BIOTA PERAIRAN Santoso, Arif Dwi
Jurnal Hidrosfir Indonesia Vol 1, No 1 (2006)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (38.57 KB)

Abstract

The respiration rate of Hump back grouper (Cromileptes altivalis) and TigerGrouper (Epinehelus fuscogutattus) were measured in the laboratory usingfish-chamber to determine how deferent among them and how these wereaffected by body weight. Results showed body weight influenced respirationrates and there are variation of studied respiration levels between Humpback grouper and Tiger Grouper. Respiration rate of Hump back and Tigergrouper were 534,2 mgO2/h and 421,4 mgO2/h respectively. The functionsfor correlation between respiration of Humpback grouper and their weightwas y = 0.0065x + 0.1202 while for Tiger grouper was y = 0.0038x + 0.6108.
PENGARUH PERBEDAAN DOSIS OKSIGEN TERLARUT (DO) PADA DEGRADASI AMONIUM KOLAM KAJIAN BUDIDAYA UDANG Komarawidjaja, Wage
Jurnal Hidrosfir Indonesia Vol 1, No 1 (2006)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (42.839 KB)

Abstract

The objective of the study is to determine the effectiveness of bacterial application and various continuous dissolved oxygen (DO) treatment for nitrogen (ammonia, nitrite and nitrate) degradation in shrimp culture. The DO treatment was set as 4.5 mg/L for treatment-I, 5.5 mg/L for treatment-II and 6.5 mg/L for treatment-III. The batch oxidation was conducted for a period of 20 days. The temperature, pH, salinitas, DO, ammonia, nitrite and nitrate were determined.Based on some previous research papers. NH3 becomes toxic to shrimp if the concentration is higher than 0.54mg/Lr. NH3 measurement on this experiment was about 0.01 mg/L up to 2.5 mg/L, but frequently was found lower than 0.54 mg/L in the pond under treatment-III (6.5 mg/L DO).The result also indicates that nitrification process in the experiment pond was not only depend on DO level and abundance of nitrifier, but also was influenced by a possibility of the occurrence of organic compound that inhibit nitrification.
MODEL PENETUAN KAWASAN RESAPAN AIR UNTUK PERENCANAAN TATA RUANG BERWAWASAN LINGKUNGAN Wibowo, Mardi
Jurnal Hidrosfir Indonesia Vol 1, No 1 (2006)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (30.24 KB)

Abstract

Regional spatial planning is done for anticipate increasing and developpingsocial-economic activity. Generally, spatial planning tend to spatial valueand economic value, on the other hand environmental value is ignored. Forexample : in saptial planning is no space for conservation area for rechargearea. For determine (mapping) suitability a zone for recharge area needrequirements or a model for guidelines to determine recharge area. Generallyrequirements or parameter are used for mapping recharge area are materialpermeability, rain intensity, soil, slope and depth of groundwater surface.
BENTIK MAKROINVERTEBRATA SEBAGAI BIOINDIKATOR POLUSI LAHAN PERAIRAN Tjokrokusumo, Sabaruddin Wagiman
Jurnal Hidrosfir Indonesia Vol 1, No 1 (2006)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (145.484 KB)

Abstract

Inline with increasing population growth and progressive development inIndonesia, implementation of environmental regulation and enforcement ofenvironmental law, aquatic ecosystem was impacted by wastewater pollutionfrom several sources, including point and non-point sources of pollution.Aquatic pollution could be seen physically and can be traced through chemical and biological monitoring. Biologically water pollution can be detected through occurrence of flora and fauna of stream dwelling organisms because they were interacted physically and adapted with daily pollution materials and wastewater loadings. Stream dwelling flora and fauna either benthic macro and micro organisms have ability to adapt and assimilate pollution based on their sensitivities. Therefore their variable sensitivities can be used for approaching water pollution index. Hynes (1977) stated that water flora and fauna can be used as indicators of water pollution, such as algae, bacteria, protozoa, macroinvertebrates, and fish. However, a group of macro-invertebrates has been used for biomonitoring for decades, because of their habitat preferential factors, their slow mobility, biodiversity, and sensitivity. In addition, macroinvertebrates can been seen with naked eyes or using only with simple devices. A macroinvertebrate is an organism without backbone dwelling water ecosystem as its niche and habitat. This animal is ubiquitous in freshwater habitat, and also in brackish water and even in marine environment. An effort to use this biota as indicator of water pollution has been attempted in foreign countries such as Europe, America and Australia, and even South Africa. We believe that this kind of method can be applied one day in Indonesia.

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