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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 7, No 1 (2019): January-June" : 7 Documents clear
Application of the Composite Hydrotalcite (Mg/Al)/Chitosan as Adsorbent for the Treatment of Raw Water of Municipal Waterworks PDAM Bandarmasih Maulana Wahyu Noor Ramadhan; Chairul Irawan; Hesti Wijayanti; Muthia Elma
Journal of Wetlands Environmental Management Vol 7, No 1 (2019): January-June
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (634.738 KB) | DOI: 10.20527/jwem.v7i1.197

Abstract

Research has been carried out about raw water treatment of PDAM Bandarmasih by hydrotalcite (Mg/Al) + chitosan (shell of haruan and papuyu fish) adsorbent reviews of decreasing dye value (PtCo), iron (Fe), and turbidity. This research intended to  produce drinking water from utilization of fish shell that were still underutilized into chitosan to be matched with hydrotalcite (Mg/Al) with variations of 1, 2 and 3 grams with a duration of 24 hours. The results showed that the decrease in dyestuff value were 96.78%, 95.03% and 92.98%. Persentage decrease in iron (Fe) were 94.38%, 93.78 and 91.87% and percent of turbidity reduction were 97.98%, 79.76% and 76.56%. Best decrease in variations of  hydrotalcite (Mg/Al) + chitosan was 1 gram for a duration of 24 hours which resulted in a decrease in dyestuff, iron and turbidity of 11 PtCo, 0.047 mg/L, 0.76 NTU where the results were appropriate in the drinking water requirements in accordance with the Regulation of the Minister of Health of the Republic of Indonesia no:492/MENKES/PES/IV/2010.
The Effect of Sustainibility Reporting Disclosure and Its Impact on Companies Financial Performance Enny Hardi; Chairina Chairina
Journal of Wetlands Environmental Management Vol 7, No 1 (2019): January-June
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (659.235 KB) | DOI: 10.20527/jwem.v7i1.188

Abstract

The purpose of this research was to examine empirically the effect of sustainability reporting disclosure on company performance. Sustainability reporting is a report that measures, discloses and shows the responsibility of the company to internal and external parties as an accountability form of organization performance in order to gain continuous development purpose. Sustainability reporting becomes trend and need for companies to disclose economic, environmental, and social performance to stakeholders. Samples used as many as 40 observations were derived from companies that consistently become ISRA (Indonesia Sustainability Reporting Award) nomination and listed in Indonesia Stock Exchange (BEI) during 2016-2017. Sustainability reporting measured by GRI (Global Reporting Initiative) continuous reporting guideline-G4 with 91 indicator items and financial performance measured by Return on Assets (ROA). The analysis method used was Multiple Linear Regression. The results of the research show that Economic Dimension Disclosure (EC) in sustainability reporting has effect on financial performance. Whereas, Environmental Dimension (EN) and Social Dimension (SO) have no effects. The condition indicates that sustainability reporting in short term has not been able to affect companies financial performance.
Adding Compost to Oil Palm Planting Holes can Increase the Diversity of Soil Fungi without Significantly Affecting the Gas Emissions on Wetlands Hasrul Satria Nur; Abdul Hadi; Rindang Yuliani
Journal of Wetlands Environmental Management Vol 7, No 1 (2019): January-June
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (471.998 KB) | DOI: 10.20527/jwem.v7i1.190

Abstract

The use of chemical fertilizers have been negative impact on environment, especially in increased the gas emissions and reduced the diversity of microbes, such as bacteria, actinomycetes, and soil fungi.  As the one of the alternatively is used the combined compost.  For instance, grass compost with the added of inorganic fertilizer (chemical), oil palm empty fruit bunches compost with the added of inorganic fertilizer, and the inorganic fertilizer without compost.  The measuring of gas emissions was carried out on CH4, CO2 and N2O at several of the oil palm planting holes.  Every sample gases were collected by the chambers installed with syringe. .Thus, the gas emissions were analyzed by chromatography gas type GHG 450 Shimadzu.  Besides that, the diversity of soil fungi were also determined by the characterization and identification.  The result of this research showed of reducting on CH4  that was appplied by the combined of oil palm empty fruit bunch compost with inorganic fertilizers i.e., 0.019 until-0.316 g CH4.m-2.h-1.  The same patterns were also demonstrated by CO2 from the treament of oil palm empty fruit bunch with inorganic fertilizers, viz 755.246 untill-2.331 g CO2.m-2.h-1.  Relating to N2O, it has undergone reduced by grass compost with inorganic fertilizers, viz-27.726 until-25.622 mg N2O.m-2.h-1 .  Meanwhile, the genera of soil fungi that were found on the sites after applying combining compost, viz Aspergillus, Bipolaris, Gonatobotrys, Gonatorrhodiella, Oidiodendron, Penicillium, Rhynchosporium, Rhizopus, Trichoderma, and Trichocladium.  Therefore, the use of compost with combining chemical fertilizers are potentially to apply into the oil palm field on wetlands. 
Population Density and Habitat Characteristics of Nipa Fruticans in Degraded Mangrove Ecosystem (Case Study in Mahakam Delta, East Kalimantan) Nurul Silva Lestari; R. Fatmi Noor’an
Journal of Wetlands Environmental Management Vol 7, No 1 (2019): January-June
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (535.885 KB) | DOI: 10.20527/jwem.v7i1.193

Abstract

Mahakam Delta is one of the largest mangrove ecosystem areas in East Kalimantan, which is dominated by nipa (Nypa fruticans). This paper investigates the population density of nipa and measures habitat characteristics in the area, which represents the condition of mangrove ecosystem that has received heavy pressures as a result of the increase in human activities.A total of 30 plots, size of 100m2 each plot, were sampled from six locations in the study site. In each plot, the number of individual, stalk, leaves, fruit and flower of nipa was recorded. Nipa zone adjacent to active ponds area had the density of 106 individual/ha with 913 stalks ha-1. The leaf density was 336 leaves ha-1, fruit density was 12 fruits ha-1 and flower density was 12 flowers/ha. Furthermore, nipa density in locations faraway from active ponds area was 74 individual/ha with 861 stalks/ha. While the leaf density was 239 leaves/ha, fruit density in this area was 2 fruits/ha and flower density was 9 flowers/ha. Result also showed that nipa habitat in study site is characterized by high turbidity and low salinity. Among other parameters, tidal level has strongest correlation to nipa population density. This study can also be considered as a preliminary assessment to develop mangrove ecosystem rehabilitation action plans in Mahakam Delta and to consider the potential use of nipa as an alternative source of livelihood for local communities living in the vicinity of the Mahakam Delta area.
Agroecosystem Management on Green Mustard Plants in Wetlands during Dry Season Ilhamiyah Ilhamiyah; Salamiah Salamiah; Samharinto Samharinto; Hakimah Halim
Journal of Wetlands Environmental Management Vol 7, No 1 (2019): January-June
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (445.628 KB) | DOI: 10.20527/jwem.v7i1.189

Abstract

This research aimed to find a pattern of agroecosystem management that can increase arthropod diversity, production, and Return Cost Ratio (RCR) values in organic wetlands planted during the dry season.  This research was set in Randomized Block Design (RAK) with seven treatments and five repetitions, namely:  1) Intercropping  between green mustard  and basil, with chicken manure and without Bacillus thuringiensis;  2) Intercropping between green mustard and basil with water hyacinth compost, and without B. thuringiensis;  3)  intercropping between green mustard and leek, given water hyacinth compost, and without application B. thuringiensis;  4)Intercropping between green mustard  and leek, given chicken manure, and without application B. thuringiensis;  5) Intercropping between green mustard and leek, given chicken manure, and given B. thuringensis application, doubled of recommended dosage; 6) Intercropping between green mustard and leek with chicken manure, and B. thuringensis application according to recommended dosage; 7) Monoculture of green mustard without organic fertilizer and without the application B. thuringiensis.  From this research, it was concluded that the pattern of agroecosystem management of green mustard that can increase arthropod diversity in organic wetlands planted during dry season was the intercropping treatment between green mustard with basil, together with chicken manure and without B. thuringiensis. Meanwhile, the pattern of agroecosystem management of green mustard that can increase the production of green mustard and RCR value on the organic wetlands planted in the dry season was the intercropping treatment between green mustard with leek, together with chicken manure, and without B. thuringiensis.
Control of Fusarium Disease in Onion with Plant Growth Promoting Rhizobacteria (PGPR) and Mycorrhizae and Its Effect on Growth and Yield of Onion Salamiah Salamiah; Muhammad Anton Ciptady; Chatimatun Nisa
Journal of Wetlands Environmental Management Vol 7, No 1 (2019): January-June
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (989.966 KB) | DOI: 10.20527/jwem.v7i1.184

Abstract

The productivity of onion in Indonesia is generally low due to fusarium wilt disease.  Biological controls can be applied using PGPR and Mycorrhizae. The purpose of this research was understand the interaction between PGPR and Mycorrhizal inoculation against fusarium wilt intensity as well as the growth and yield of onions. The isolation of Fusarium oxysporum f.sp cepae and PGPR, followed by the tests of PGPR inhibition ability, phosphate solvent and HCN compound productivity. The method used in the field was a completely randomized design (CRD) with 2 replications. Results showed that the combination of PGPR and mycorrhizae as a whole was unable to suppress Fusarium wilt disease, but had significant effect to postpone the incubation period (26,19 days after inoculation) and increase the growth and yield of onion compared to the onion plants infected with Fusarium but without the combined treatment of PGPR and mycorrhizae and the PGPR treatment and mycorrhizal treatment as single treatments; the application of mycorrhizae as the single factor had a very significant effect on the number of bulbs, but had no significant effect on the inhibition of fusarium wilt intensity as well as the growth and yield of onions.
Geo-Dynamics, Salinity Gradient, and Vegetation Interdependence in Chilika Lagoon, a Tropical Wetland in Eastern India Sujit Kumar Mishra; Siba Prasad Mishra; Kalpataru Das
Journal of Wetlands Environmental Management Vol 7, No 1 (2019): January-June
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1473.859 KB) | DOI: 10.20527/jwem.v7i1.186

Abstract

Chilika a shallow brackish lagoon, India, is shrinking for sediment surplus budget. South Mahanadi deltaic branches i.e. Daya and Bhargavi terminate at the southwest swamps of the Lagoon. The annual average salinity of the lake was depleted from 22.31ppt (1957-58) to 8.5 ppt. (1999-2000) as the mixing process of saline and fresh water was influenced from 1995. Trepidation of conversion of  Chilika to a atrophied fresh water lake due to blooming population and their hydrologic interventions like Kolleru lake in (India), Aral Lake (Uzbekistan) was apprehended by 1950’s and was alarming by 1999 when the shallow inlet(s) shifted extreme north. The shallow mud flats of lean salinity were reclaimed further for agriculture. The ecology and biodiversity degraded with substantial pecuniary loss to the lagoon dependents. Anthropogenic interventions like, Hirakud dam (1956), dredging of Sipakuda Inlet (2000), Naraj barrage at delta head (2004), Gobardhanpur barrages (1998) and Gabkund cut with weir (2014) were made to the hydraulic system. The deteriorating health, perturbed biodiversity and declined ecosystem of the lagoon has forced to have a comparative study of the various morphologic changes passed over the Chilika with time. The meteorological, hydrologic and the salinity study of the lagoon area for the period 1990 to 2016 have shown changes. Topographic study using GIS is developed by collecting data from Glovis Classic (Google) and the interpretation is done using ERDAS 9.2 software for various geomorphic features (1984 and 2017) before and after the current anthropogenic interventions and compared with previous studies.

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