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Irfan Prasetia
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INDONESIA
JOURNAL OF WETLANDS ENVIRONMENTAL MANAGEMENT
Published by Universitas Lambung Mangkurat
ISSN : 23545844     EISSN : 24775223     DOI : -
Core Subject : Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Engineering Environmental Science
Journal of Wetlands Environmental Management is an international journal that publishes authoritative and original articles on topics relevant to freshwater, brackish and marine coastal wetland ecosystems. The Journal serves as a multi-disciplinary forum covering key issues in wetlands science, management, policy and economics. As such, Wetlands Environmental Management aims to encourage the exchange of information between environmental managers, pure and applied scientists, and national and international authorities on wetlands policy and ecological economics.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ekologi
Articles 144 Documents
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Growth Performance of Three Indigenous Tree Species (Cratoxylum arborescens Vahl. Blume, Alstonia spathulata Blume, and Stemonurus scorpioides Becc.) Planted at Burned Area in Klias Peat Swamp Forest, Beaufort, Sabah, Malaysia Andi Russel Mojiol; Wahyudi Wahyudi; Narbert Nasly
Journal of Wetlands Environmental Management Vol 2, No 1 (2014): January - June
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (738.402 KB) | DOI: 10.20527/jwem.v2i1.32

Abstract

The aim of the study was to evaluate the growth performance of three indigenous tree species planted under open area planting technique of burned area at Klias Peat Swamp Forest, Beaufort, Sabah. Three indigenous tree species was used in this study, namely are Cratoxylum arborescens (Vahl) Blume (Geronggang), Alstonia spathulata Blume (Pulai), and Stemonurus scorpioides Becc. (Katok). A total of 45 seedlings for each species were examined using Randomized Complete Block Design (RCBD) with spacing of 3mx3m. Data collection for height, diameter, and survivality was recorded every two weeks within 10 weeks period from the seedlings was planted. Results from this study showed, the growth performance of Geronggang species was much better than the Pulai species, while all the Katok seedlings were died after week 6 in this experiment. The Geronggang species had the average mean height increment of 24.17 cm and average mean diameter increment of 2.76 mm, while Pulai species had average mean height increment of 9.36 cm and average mean diameter increment with 1.86 mm. For the survivality results, it showed that the Geronggang species had the highest survivality rate at 93.33% and Pulai species with 86.67%. There was a significant difference in term of relative height growth rate between Geronggang and Pulai species.  However, there was no significant difference in term of relative diameter growth rate at significant level of P ≤ 0.05. The findings indicates that Geronggang and Pulai are suitable to be planted at burned area in Klias peat swamp forest for the purpose of reforestation using open area planting technique, while the Katok species is not suitable due to environment consideration. The better growth performance of the Geronggang and Pulai species are because they can easily adapted with the open area planting at the study site.
Design of Infiltration Well in Wetlands Area that Suitable for Giving Maximum Groundwater Recharge Irfan Prasetia
Journal of Wetlands Environmental Management Vol 2, No 2 (2014): July-December
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (56.022 KB) | DOI: 10.20527/jwem.v2i2.30

Abstract

Growth in residential, industrial, and office  area,are significantly occurred in all city in Indonesia. Unfortunately, this is also caused more land that being covered by pavement and concrete in the cities. Realized or not it will disturb the availability of the groundwater and also lead to flooding in the rainy season. One of the effective solutions to solve this problem is by making sufficient numbers of infiltration well in the city, especially in the residential area. This research was conducted to analyze the ideal design of the infiltration well in the residential area. The design was made according to the equation by Sunjoto, which also refers to Indonesia standard (SNI) No: 03- 2453-2002. The results show that the ideal dimension for the infiltration well is to use the radius of the well (R) of 1.25 m. With the R of 1.25 will give a significant recharge to the groundwater as much as ≈ 2.400 liter. It is expected that this research encourage a development in the urban drainage systems which will consider the environment and the groundwater reservation for the balance of our ecosystem.
The Developments of Customary Marine Rights A Case Study in Kei Islands, Southeast Maluku Regency Sri Ayu Aniningsih
Journal of Wetlands Environmental Management Vol 2, No 2 (2014): July-December
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (70.924 KB) | DOI: 10.20527/jwem.v2i2.28

Abstract

This study is aimed to describe the developments  and  design a concept of recognition of customary marine rights in future in Kei  Islands. The method of this study is juridical empirical and the specification of it is descriptive analytical. The data consists of primary data and secondary data. It is analyzed by qualitative method. This study results that  the developments of customary marine rights include only in norms as a translation of customary law  principles. The developments of it occur in legal subject and legal object of customary marine rights, traditional institutional structure and the customary law of Kei people. There are many factors that influence the developments of customary marine rights such as economic, social, cultural, and political factors. The principles of customary marine rights in Kei Islands  are : (a). basically the using customary  marine rights just for Kei people, but foreigners can use them too if  knowledge of head of village; (b). communal;  (c). religious-magical;  (d). the highest authority in the head of village; (e).basically the using of customary marine rights only to fulfill the needs of daily living; (f). the using of rights that must be based on customary law. The concept of recognition for customary marine rights in Kei Islands in the future includes the existence legal subjects, legal objects, customary law and the functioning of the traditional institutional structure.
Spatial Mapping for Managing Oxidized Pyrite (FeS2) in South Sumatra Wetlands, Indonesia M. Edi Armanto
Journal of Wetlands Environmental Management Vol 2, No 2 (2014): July-December
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (82.709 KB) | DOI: 10.20527/jwem.v2i2.27

Abstract

The research aimed to analyze spatial mapping for managing oxidized pyrite (FeS2) in South Sumatra wetlands, Indonesia. The field observations are done by exploring several transect on land units. The field description refers to Soil Survey Staff (2014). Water and soil samples were taken from selected key areas for laboratory analysis. The vegetation data was collected by making sample plots (squares method) placed on each vegetation type with plot sizes depending on the vegetation type, namely 10 x 10 m for secondary forests and 5 x 5 m for shrubs and grass. The observations of surface water level were done during the river receding with units of m above sea level (m asl). The research results showed that pyrite formation is largely determined by the availability of natural vegetation as Sulfur (S) donors, climate and uncontrolled water balance and supporting fauna such as crabs and mud shrimp.  Climate and water balance as well as supporting faunas is the main supporting factors to accelerate the process of pyrite formation. Oxidized pyrite serves to increase soil acidity, becomes toxic to fish ponds and arable soils, plant growth and disturbing the water and soil nutrient balances. Oxidized pyrite is predominantly accelerated by the dynamics of river water and disturbed natural vegetation by human activities.  The pyrite oxidation management approach is divided into three main components of technologies, namely water management, land management and commodity management.
Carbon Stock Stratification of Peat Soils in South Kalimantan, Indonesia Siti Zakiah; Muhammad Noor; Dedi Nursyamsi
Journal of Wetlands Environmental Management Vol 2, No 2 (2014): July-December
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (212.192 KB) | DOI: 10.20527/jwem.v2i2.26

Abstract

Carbon stock in peat soils is very high, it is necessary to prudent in its management because peat soils is emitting greenhouse gases such as CO2 during land clearing due to oxidation of peat layer.  This research was conducted to study soil carbon stock stratification in relation to soil physical and chemical properties. The carbon stock stratification was based on maturity degrees of peat.  The study was conducted in Pulau Damar Village, Hulu Sungai Utara District, South Kalimantan Province on land use rubber.  The location of the study area was determined by using the purposive sampling method.  All data obtained were analyzed by Excel spreadsheets and drawn on a CorelDraw 12. The results showed that the amount of carbon stock was influenced by the maturity degrees of peats, peat sapric degres has higher carbon stock than of hemik and fibric with a ratio of  2.0: 1.5: 1.  The relationship between soil carbon stock with soil physic (Bulk Density, BD) and chemical properties (pH, Eh, Fe, and total-N) were not significantly.
Contribution of Ameliorant Application on Carbon Balance in Rice (Oryza Sativa L.) Cropping in Peatland Eni Yulianingsing; HL Susilawati; Prihasto Setyanto
Journal of Wetlands Environmental Management Vol 3, No 2 (2015): July-December
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (127.906 KB) | DOI: 10.20527/jwem.v3i2.22

Abstract

Expansion of agricultural land is needed to accomplish the future national food demand. Expansion of agricultural land has been focused on marginal land such as peatland. The studies was carried out at IAERI experimental farm and used 12 microplots with each have a dimension of 1,5 m x 1,5 m x 1 m and was filled with peat from South Kalimantan. Amelioration treatments such as dolomite (Ca-rock), volcanic ash, peat fertilizer, Fe fertilizer, nitrification inhibitor and control were established as treatments to the microplots, after amelioration, the plots was planted by Inpara 2 rice cultivar. Data of the result was analyzed by Analysis of Variance (ANOVA) and Duncant Multiple Range Test (DMRT). The result showed that the highest net carbon from non ameliorant (control) and the lowest from volcanic ash. Net carbon highet at non ameliorant (control) 3785 kg-C/ha followed dolomite, Fe fertilizer, NI (nitrification inhibitor), peatland fertilizer and volcanic ash i.e 3238; 2082; 1574; 1439 and -712 kg-C/ha
Sustainable Land Management Supports Organic Farming in Tidal Swamp Area of South Kalimantan: Water Quality Zuraida Titin Mariana; Muhammad Mahbub; Afiah Hayati
Journal of Wetlands Environmental Management Vol 3, No 2 (2015): July-December
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (288.033 KB) | DOI: 10.20527/jwem.v3i2.21

Abstract

Development of organic farming in tidal land should be wise and considers all aspects supporting the development of sustainable agriculture. The aim of this research was to quantify concentration of metals contained in tidal swamp water both at the single and double tides of various tidal typologies, including Pb, Cd, Cr, and Fe ions. The research was conducted in four villages in Barito Kuala regency (South Kalimantan) to represent tidal land types A, B, C and D, respectively. Sampling was carried out at spring and neap tides in each villages and the Barito river nearest to the villages. The water samples were collected in plastic bottles in the irrigation canals and brought to the laboratory for analysis of Pb, Cd, Cr and Fe concentrations.  The results showed that the Pb, Cd, Cr and Fe concentrations in studied area were <0.002 - 0.0122 ppm, 0.0067 - 0.0122 ppm, <0.002 - 0.0064 ppm and 0.0358 ppm - 9.0807 ppm for Pb, Cd, Cr and Fe, respectively. Based on he limiting factor in heavy metals of water quality for agricultural crops in land C and D type are cadmium (Cd) and iron (Fe) elements. Acidity of water on the land types C (pH 2.72 - 2.95) and D (pH 2.68 - 4.41) were lower than those in the land types A (pH 6.01 - 6.83) and B (pH 3.6 - 6.29).
Study on Community Participation in The Land Clearing without Burning in Gambut Sub-District, South Kalimantan Fonny Rianawati; Susila wati
Journal of Wetlands Environmental Management Vol 3, No 2 (2015): July-December
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (61.347 KB) | DOI: 10.20527/jwem.v3i2.20

Abstract

In connection with the Environment Minister regulation number 10 year 2010 about the Mechanism of Pollution Prevention and Environment and Life Damage chapter II, Article 3 (1) said that all of business and activities that use the forest or land should implement  land clearing without burning (LCWB) and is expected that all participating land preparation activities to implement these policies. This study was conducted to determine the level of community perception on LCWB and the land waste utilization by the community in Gambut Sub-district, South Kalimantan, Indonesia. The results showed that 15 respondent (49.83%) already knew about land clearing without burning. Low level of community participation is caused by community understanding about CLBW still low. About 64 % of respondents was included in the good category because the community has an interest to cultivate a waste from land clearing to decrease environment contamination.  About 60 % of the community thought that LCWB waste can be used for various purposes. Waste types which usually utilize by community was grass and rice husks.  The wastes were used as organic fertilizer and animal feed without further processing.
Syntesis of Glutardehide Crosslinked Superporous Chitosan with Polyphynil Alcohol Addition for Peat Water Humic Acid Absorption Dahlena Ariyani; Uripto T Santoso; Radna Nurmasari; Utami Irawati; Iriansyah Iriansyah
Journal of Wetlands Environmental Management Vol 3, No 2 (2015): July-December
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2583.773 KB) | DOI: 10.20527/jwem.v3i2.19

Abstract

This research aims to synthezise the superporous adsorbent from chitosan using glutaraldehyde as a cross linker, NaHCO3 as a porogen, and polyvinyl alcohol (PVA) as a reinforcing agent. Generally, the reaction of adsorbent synthesis was carried out through four steps: (1) the addition of PVA to the chitosan solution, (2) the addition of porogen, (3) the crosslinking of chitosan, and (4) the releasing of porogen. The obtained adsorbents were characterized by Fourier Transform Infra Red (FTIR) Spectroscopy, photograph of Digital Microscope (DM), and Scanning Electron Microscopy (SEM) to measure the porosity. The adsorbent was then be applied to adsorb of HA for adsorption capacity determination. The results showed that the addition of PVA and porogen during adsorbent synthesis has produced adsorbent with more compact and flexible physical properties and greater porosity. The adsorption test showed that the adsorption capacity of KPG is 33.07 mg/g. However, if the amount of used adsorbent is larger (based on the chitosan mass 1 g), the capacity adsorption of KPG is 141.74 mg/g. The initial concentration of HA contained in peat water was 45.64 mg/L, KPG can adsorb of HA as much as 95%.
Formulating Rice Fields Conversion Control to Oil Palm Plantations in Tidal Wetlands of South Sumatra, Indonesia Elisa Wildayana
Journal of Wetlands Environmental Management Vol 3, No 2 (2015): July-December
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (374.405 KB) | DOI: 10.20527/jwem.v3i2.13

Abstract

The research aimed to gain reasons of farmers to convert their rice fields, and to formulate rice fields conversion control to oil palm plantations in tidal wetlands of South Sumatra. The research was carried out in a drainage and irrigation area of Pulau Rimau, Banyuasin District South Sumatra. Collected data consists of primary and secondary data. Primary data are taken from farmers who have already converted their rice fields into oil palm plantations. Secondary data were collected from the village, the District Agriculture Office and Statistic Agency. Data was collected through the Focus Group Discussion (FGD). Data analysis was performed using Analysis Hierarchy Process (AHP) to determine the factors that influence the decision of farmers to convert their land to oil palm plantation. The research resulted that if rice yields was estimated an average 3.00 tons Milled Dry Grain (MDG)/ha, then in 2006 with the existing land could produce rice as much as 127,719 tons MDG/year, but in 2013 the productivity of agricultural land decreased to 60,138 tons MDG/year. If the predicted needs of rice in year 2006 were 50,000 tons MDG/year and increased by 75,000 tons MDG/year in 2013, then if the land use is not immediately controlled, that Pulau Rimau will deficit rice. Factors contributing to land conversion are divided into three factors, namely technical aspects, economical aspects and environment aspects. The control concept can be divided in macro concept and micro concept. The macro concept generally be only done by the government or a strong industry who pays a lot of attention to the local community. The micro concept programs can be done either by the government, private or local communities.

Page 13 of 15 | Total Record : 144

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