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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 7 Documents
 1 
Search results for , issue "Vol 2, No 2 (2014): July-December" : 7 Documents clear
Formulating Oil Palm Investment Decision in Tidal Wetlands of South Sumatra, Indonesia Elisa Wildayana
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 (89.121 KB) | DOI: 10.20527/jwem.v2i2.48

Abstract

The research aimed to formulate an investment decision for oil palm plantation in tidal wetlands of PulauRimau, Banyuasin South Sumatra Indonesia. The research summarized that Land productivity and input amount will determine some differences of each soil suitability (S1, S2 and S3). The more land suitability level is, the more Fresh Fruit Bunches of Oil Palm (FFB) productivity per ha is produced and the less input is given.  Net B/C Ratio, NPV and IRR for all land suitability classes are financially feasible for oil palm plantation development, however the most feasible and the most Expected Rate of Return (IRR) is in tidal wetlands with S1 land suitability (very suitable), followed by S2 (suitable) and S3 (marginally suitable). Sensitivity analysis to feasibility for three land suitability is still economically feasible to build and to develop oil palm plantation, especially in large scale, thus its decision for capital investment is suitable.
The Analysis of Management and Timber Trade System of Gelam (Melaleuca cajuputi) From Peat Swamp Forest in South Kalimantan Yudi Firmanul Arifin; Siti Hamidah; Yulian Firmana Arifin
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 (106.417 KB) | DOI: 10.20527/jwem.v2i2.40

Abstract

Until now the raw material of wood especially Gelam (Melaleuca cajuputi) available for supporting the construction of housing and other infrastructures is increasingly large in Indonesia. On the Island of Borneo that partly consists of swamps needs Gelam very large and continuous, particularly for residential development. However, areas of peat swamp forest habitat of this plant from year to year are degradation and shrinkage. This situation is a very big influence on the population of Gelam, while the management and timber trade systems are not well regulated. This study aims to analyze the management and timber trade systems of Gelam particularly in South Kalimantan to provide input to the policy holder in the preservation of Gelam. The method was used a field survey and interviews with traders and policy holders related regulations. The results showed in South Kalimantan the potency of Gelam is only 2,9-7,1 m3/ha and decreasing yearly. Normally Gelam with a diameter <4 cm have been cut down, as well as > 30 cm. These dimensions should not be cut because of <4 cm too young and > 30 cm can be used as seed sources. Gelam derived from peat swamp forest, which mostly comes from the Batola District and some came from Kapuas District of Central Kalimantan. Distributions of Gelam were starting gatherers logging in the forest then sold to small gatherers, next to the large gatherers and distributed to all districts/cities in South Kalimantan, wood processing industries, and some of them were sent to Java. The silviculture system of Gelam was using selective cutting. Classification of wood sizes traded by the diameter divided into 3-4cm, 5-6cm, 7-8cm, 9-10cm, 11-12cm, 13-14cm, 15-19cm and > 20cm to 4m long. Its use consists of a small diameter (3-10cm) for foundry building and firewood, while the large diameter (10-20cm) for the construction of houses in swampy areas, and waste as well as the stems are bent and deformed used for firewood. Until now Gelam becomes into the business community and potential sources of local government revenue if managed properly. However, due to the rules of management and administration in South Kalimantan was not going well, thus threatening the sustainability especially with the growing extent of peat lands being converted into palm oil plantations.
Stabilization of organic matter in the raised-bed soils of tidal swamplands is influenced by the types and the amounts of organic matter application A R Saidy; I Khairullah; M Septiana; E Triatmoko
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 (64.658 KB) | DOI: 10.20527/jwem.v2i2.39

Abstract

Farmers in tidal swamplands annually added organic matter (OM) onto the raised beds to maintain organic matter contents and thereby maintain soil productivity of the raised beds. This experiment aimed to study the influence of the types and the amounts of OM on the stabilization of organic matter in the raised-bed soils. Four types of OM: rice straw, eceng gondok (Eichornia crassipes), purun tikus  (Eleocharis dulcis) and mixed  rice straw-eceng gondok were added to a 27-year raised bed soil with 4 different rates: 0, 0.5, 1.0 and 2.0  of maximum sorption capacity (Qmax), and the OM stabilization was quantified after 10 weeks of OM addition.  Results of this study showed with the exception of rice straw, OM addition to soil resulted in increases in the mineralization of soil OM thereby inducing priming effect. Addition of rice straw at rate of 0.5 of Qmax resulted in stabilization of 46% added OM, while only 30% and 37% of added OM was stabilized when OM was added to soils at rates of 1.0 and 2.0 Qmax, respectively.  This study showed that the stabilization of OM in raised bed soils were influenced by the chemical composition of OM and the amount of added OM.
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.

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