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Sabaruddin Wagiman Tjokrokusumo
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Environmental Science

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PENGARUH SEDIMENTASI DAN TURBIDITY PADA JEJARING MAKANAN EKOSISTEM AIR MENGALIR (LOTIK) Tjokrokusumo, Sabaruddin Wagiman
Jurnal Hidrosfir Indonesia Vol 3, No 3 (2008)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (45.768 KB)

Abstract

Sedimentation and turbidity are contributed significantly to decrerasing population of biotic organisms in aquatic ecosystem. Impact to faunal population in lotic environment may be expressed by pervasive change in local food chains starting from primary trophic levels. Decreasing in primary production associated with increasing a number of sediment content dan high in turbidity value and impact on negative level of production of food availability related to a number of zooplankton, insects, freshwater molusca, and then fish. Direct effect of each trophic levels is affected to mortality levels, decreasing physiologicsl function, and rejection, however decreasing food availability at the trophic level that resulted in depressing growthrate, reproduction and recruitment function. The effect of turbidity on aquaticorganisms often as inconsistent in watershed and water treatment. But in this case the different is significantly because of lack of correlation between sediment concentration (mg/liter) and measurement unit (NTU). The use of NTU as a unit measurement in change with suspended sediment (TSS) to predict the effect of aquatic biota in watershed is ambigious. At the same time, NTU measurement in different watershed is depending on the concentration of suspended sediment. To monitore the effect of turbidity in local watershed we are recommended to use the baseline data to investigate the effect of local watershed that arecorrelated betweensuspended sediment and NTU This study could be happenned through a series of monitoring of water flow based on seasonal dynamic and then by using this baseline data, we are creating a useful solution to decrease sediment input into the river water.
PENGARUH HABITAT KOMPLEKS TERHADAP KOMPOSISI KOMUNITAS MAKROINVETEBRATA DALAM SEBUAH KOLAM AIR TAWAR YANG BERSTATUS DYSTROPHIC Tjokrokusumo, Sabaruddin Wagiman
Jurnal Hidrosfir Indonesia Vol 1, No 3 (2006)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

A study of the role of habitat complexity and predation on the composition ofthe macroinvertebrate community in a small dystrophic wetland wasundertaken using artificial substrates. Rectangular samplers of increasingcomplexity were constructed from nylon mesh and wooden dowelling.Samplers of three levels of complexity were developed in both caged anduncaged forms to evaluate the effects of substrate complexity and predationon macroinvertebrate richness and abundance. A total of 24 samplers (6treatments x 4 relicates were deployed in swamp for 8 weeks in September/November 1995. The results indicated that increased habitat complexity doeslead to species richness, but cages have an effect in addition to layers aspreferred habitat for both prey and predator. Increasing richness is not followedby an increase in abundance in more complex habitats. However, an increasein habitat complexity tended to result in a decrease in abundance, probablydue to predation with the lowest abundance found at intermediate compexity.
INTEGRATED MANAGEMENT OF CITARUM RIVER BASIN: A CASE STUDY TOWARD SUSTAINABLE DEVELOPMENT AND COMMUNITY PARTICIPATION Tjokrokusumo, Sabaruddin Wagiman
Jurnal Hidrosfir Indonesia Vol 1, No 2 (2006)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (61.929 KB)

Abstract

Water quantity is perceived as a problem to meet increasing demands of present human population for food, drinking, hygiene, and other domestic use and industry. However, quality aspect have also become a growing concern as a result of untreated release of domestic, urban and industrial discharges as well as non pint sources, e.g. agriculture. Citarum river basin is one of the biggest river basins in Indonesia. It covers 608 000 hectares, including 7 regencies and 2 cities (Bandung and Cimahi) in the province of West Java. Its huge source of freshwater have been contaminated from point and non-point sources of pollution, resulting in its very poor quality of very strategic and important source of freshwater in Indonesia for generating electricity, irrigating agricultural land, supplying fresh drinking water, and farming fish and also creating eco-tourisms. In order to protect this important freshwater resource, Agency for the Assessment and Application of Technology (BPP Teknologi) in collaboration with local government of West Java Province implementing environmentally sound technology to manage water quality of Citarum River Basin properly. The objectives of this project are (1) to protect freshwater resource from pollution, (2) to reduce pollution loads from point and non-point sources, (3) to introduce best available management for minimizing pollution, (4) to create sustainable community for best management practices to protect their water front village. Share experiences and exchange information, knowledge, and technology was done through ASEM Water Net to develop international partnership on Integrated River Basin Management.
BENTIK MAKROINVERTEBRATA SEBAGAI BIOINDIKATOR POLUSI LAHAN PERAIRAN Tjokrokusumo, Sabaruddin Wagiman
Jurnal Hidrosfir Indonesia Vol 1, No 1 (2006)
Publisher : Jurnal Hidrosfir Indonesia

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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.
KEKUATAN BIOREMEDIASI JAMUR DAN BIOKONVERSI LIMBAH PERTANIAN MENGGUNAKAN TEKNOLOGI BUDIDAYA JAMUR Tjokrokusumo, Sabaruddin Wagiman
Jurnal Teknologi Lingkungan Vol. 8 No. 1 (2007): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (108.709 KB) | DOI: 10.29122/jtl.v8i1.406

Abstract

Bioconversion technology of agricultural waste or biowaste has beenknown by industries as one of the technology that could provide orincrease quality og fod through industrial food processing. However,some of people in Indonesia have not been realized that uneconomicvalues and unnutritious of agro materials could be converted into highvalue of food and feed, and also usefull material for soil conditionerwhich is improved soil health. In addition, spent mushroom substrateas a waste of mushroom production can be used for a stater material toremediate contaminated soil as one of the strong capability materialfor bioremediation technology for polluted environment. Therefore, thisreview would like to create some hopes for pheasant to covert someagricultural waste materials into useful materials toward povertyalleviation and sustainable community development as mentioned bymillennium development goals. Through this application ofbioconversion and bioremediation technology of agricultural waste whichis ubicuitous in tropical countries like Indonesia, we do much more forenvironmental care and social welfare.
TANAMAN POTENSIAL PENYERAP LIMBAH STUDI KASUS DI PULAU BATAM Tjokrokusumo, Sabaruddin Wagiman
Jurnal Teknologi Lingkungan Vol. 4 No. 2 (2003): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (604.019 KB) | DOI: 10.29122/jtl.v4i2.274

Abstract

Industrial development has resulted in increasing population growth and their activities in Batam Island. Increasing growth of industrial activities and human population has a direct impact on increasing water demand and water pollution, especially on surface water resource degradation. However control on this type of problem has not been done properly due to lack of awareness and environmental knowledge. To protect and conserve water resources from pollution and degradation, some activities have to be done in the future to protect water quality and quantity. Aquatic plants have ability to improve water quality to assimilate and transform pollutants into plant tissue and sedimentation process. Based on flora and fauna biological survey, the recent study found that some aquatic plants were observed has a potential and ability to absorb and uptake nutrient and pollutants. Those important plants are Rynchospora sp., Scleria sp., Cyperus sp., Hypolythrum sp., and Fimbristylis sp.
KELAS KESESUAIAN LAHAN SEBAGAI DASAR PENGEMBANGAN PERTANIAN RAMAH LINGKUNGAN DI DAERAH ALIRAN SUNGAI Tjokrokusumo, Sabaruddin Wagiman
Jurnal Teknologi Lingkungan Vol. 3 No. 2 (2002): JURNAL TEKNIK LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (391.98 KB) | DOI: 10.29122/jtl.v3i2.247

Abstract

Lahan tropika seperti halnya kebanyakan lahan di Indonesia harus dikelola secara bijaksana sesuai dengan prinsip-prinsip konservasi tanah dan air agar swasembada pangan dapat lebih dimantapkan lagi. Klas Kemampuan Lahan merupakan pedoman yang sesuai dengan prinsip-prinsip konservasi tanah dan air dan dapat diguankan sebagai pedoman untuk perencanaan pengembangan pertanian secara umum. Sedangkan pengembangan pertanian berskala usaha hendaknya harus berdasarkan pada kelas kesesuaian lahan suatu wilayah yang akan dikembangkan untuk suatu usaha pertanian agar tidak terjadi kerusakan lahan yang dapat m,enimbulkan kerugian jangka panjang baik secara ekonomi mauspun lingkungan. Pengetahuan tentang perencanaan pembangunan pertanian yang berasas pada Kelas Kemampuan Lahan dan Kelas Kesesuaian Lahan suatu wilayah dapat diterapkan pada Daerah Aliran Sungai (DAS) terutama wilayah DAS Citarum Bagian Hulu yang dalam kenyataannya telah mengalami kerusakan yang sangat berat dan akan berakibat pada kemampuan daya dukung wilayah dan menurunnya kualitas Danau multiguna seperti Saguling, Cirata dan Jatiluhur.
UPAYA MITIGASI PENCEMARAN LAUT DENGAN ARTIFICIAL WETLANDS Tjokrokusumo, Sabaruddin Wagiman
Jurnal Teknologi Lingkungan Vol. 7 No. 2 (2006): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (55.679 KB) | DOI: 10.29122/jtl.v7i2.380

Abstract

Indonesia is an archipelago country which has coastline up to 81 000 kmwith rich and bountiful wetlands, especially coastal wetlands. Wetlandareas estimated is more than 40.5 millions hectare, including mangroveforest around 6.3 millions hectare. As world environmental condition isdegraded, Indonesia marine and coastal environments have beenexperienced degradation, especially mass fish killed incident quite oftenoccurred in water environments due to eutrophiocation. This incidencehas lead to productive coastal and marine environments to becomehypoxia, means that this is a process of declining oxygen content in thewater column due to organic matter or organic chemicals in waterenvironment were accumulated in coastal and merine environments. Mostscientist precited that this conditions was occurred because of mangroveforest was degraded and already convert to other uses, especially forshrimp pond produvtion and industrial development. World scientist haspraised that mangrove forest is the place to be traditional shrimp pondlocation in years. Scientifically this traditional shrimp pond has praticedand applied ecotechnological approach for increasing stable shrimpproduction in Indonesia. However, this method has been changed latelyfor booming Indonesian shrimp export due to Indonesia economicdevelopment. Therefore, this paper proposed and elaborated theimportant and function of wetlands for not only economic development butalso conserve and mitigate artificial wetlands ecosystem as a wholeecosystem for social, environmental and economic development in thefuture. This paper is also clarify the important of artificial wetlands incoastal and marine landscape.
PENGARUH HABITAT KOMPLEKS TERHADAP KOMPOSISI KOMUNITAS MAKROINVETEBRATA DALAM SEBUAH KOLAM AIR TAWAR YANG BERSTATUS DYSTROPHIC Tjokrokusumo, Sabaruddin Wagiman
Jurnal Hidrosfir Indonesia Vol 1, No 3 (2006)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

A study of the role of habitat complexity and predation on the composition ofthe macroinvertebrate community in a small dystrophic wetland wasundertaken using artificial substrates. Rectangular samplers of increasingcomplexity were constructed from nylon mesh and wooden dowelling.Samplers of three levels of complexity were developed in both caged anduncaged forms to evaluate the effects of substrate complexity and predationon macroinvertebrate richness and abundance. A total of 24 samplers (6treatments x 4 relicates were deployed in swamp for 8 weeks in September/November 1995. The results indicated that increased habitat complexity doeslead to species richness, but cages have an effect in addition to layers aspreferred habitat for both prey and predator. Increasing richness is not followedby an increase in abundance in more complex habitats. However, an increasein habitat complexity tended to result in a decrease in abundance, probablydue to predation with the lowest abundance found at intermediate compexity.
INTEGRATED MANAGEMENT OF CITARUM RIVER BASIN: A CASE STUDY TOWARD SUSTAINABLE DEVELOPMENT AND COMMUNITY PARTICIPATION Tjokrokusumo, Sabaruddin Wagiman
Jurnal Hidrosfir Indonesia Vol 1, No 2 (2006)
Publisher : Jurnal Hidrosfir Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (61.929 KB)

Abstract

Water quantity is perceived as a problem to meet increasing demands of present human population for food, drinking, hygiene, and other domestic use and industry. However, quality aspect have also become a growing concern as a result of untreated release of domestic, urban and industrial discharges as well as non pint sources, e.g. agriculture. Citarum river basin is one of the biggest river basins in Indonesia. It covers 608 000 hectares, including 7 regencies and 2 cities (Bandung and Cimahi) in the province of West Java. Its huge source of freshwater have been contaminated from point and non-point sources of pollution, resulting in its very poor quality of very strategic and important source of freshwater in Indonesia for generating electricity, irrigating agricultural land, supplying fresh drinking water, and farming fish and also creating eco-tourisms. In order to protect this important freshwater resource, Agency for the Assessment and Application of Technology (BPP Teknologi) in collaboration with local government of West Java Province implementing environmentally sound technology to manage water quality of Citarum River Basin properly. The objectives of this project are (1) to protect freshwater resource from pollution, (2) to reduce pollution loads from point and non-point sources, (3) to introduce best available management for minimizing pollution, (4) to create sustainable community for best management practices to protect their water front village. Share experiences and exchange information, knowledge, and technology was done through ASEM Water Net to develop international partnership on Integrated River Basin Management.
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