scholarly journals TINGKAT KEPEKAAN MANGROVE INDONESIA TERHADAP TUMPAHAN MINYAK (The Sensitivity Levels of Indonesian Mangrove to Oil Spills)

2017 ◽  
Vol 23 (3) ◽  
pp. 374 ◽  
Author(s):  
Muarif Muarif ◽  
Ario Damar ◽  
Sigid Hariyadi ◽  
Mennofatria Boer ◽  
Dewayani Soetrisno
Keyword(s):  
Oil Spill ◽  
Oil Spills ◽  
Mangrove Ecosystem ◽  
Mangrove Communities

ABSTRAKKepekaan mangrove merupakan komponen penting dalam menentukan tingkat kepekaan ekosistem mangrove terhadap tumpahan minyak. Mangrove Indonesia dapat dikelompokkan dalam 5 tingkat kepekaan terhadap tumpahan minyak, yaitu tidak peka (Acanthus, Nypa, Inocarpus, Acrostichum), kurang peka (Aegiceras, Excoecaria, Hibiscus, Lumnitzera, Ficus, Scyphiphora, Thespasia, Merope, Osbornea, Pandanus), cukup peka (Bruguiera, Ceriops, Xylocarpus, Heritiera), peka (Rhizophora), dan sangat peka (Avicennia, dan Sonneratia). Penilaian terhadap komunitas mangrove di Indonesia menunjukkan sebagian besar tergolong ke dalam katagori sangat peka dan peka apabila komunitas mangrove tersebut terkena tumpahan minyak. ABSTRACTThe sensitivity of mangrove is an important component to determine the sensitivity of mangrove ecosystem to oil spills. The Indonesian mangrove can be grouped into five levels of sensitivity to the oil spill, include not sensitive (Acanthus, Nypa, Inocarpus, and Acrostichum), low sensitive (Aegiceras, Excoecaria, Hibiscus, Lumnitzera, Ficus, Scyphiphora, Thespasia, Merope, Osbornea, and Pandanus), intermediate sensitive (Bruguiera, Ceriops, Xylocarpus, and Heritiera), sensitive (Rhizophora), and very sensitive (Avicennia, and Sonneratia). Assessment of mangrove communities in Indonesia showed mostly belong to the category of very sensitive and sensitive if the mangrove communities injured by the oil spill.

THE EFFECTS OF OIL SPILLS ON MANGROVE FORESTS: A COMPARISON OF FIVE OIL SPILL SITES IN THE GULF OF MEXICO AND THE CARIBBEAN SEA

1981 ◽  
Vol 1981 (1) ◽  
pp. 535-540 ◽  
Author(s):  
Charles D. Getter ◽  
Geoffrey I. Scott ◽  
Jacqueline Michel
Keyword(s):  
Oil Spill ◽  
Mangrove Forest ◽  
Tree Mortality ◽  
Oil Spills ◽  
Florida Keys ◽  
Field Studies ◽  
Sensitivity Index ◽  
Mangrove Forests ◽  
Forest Types ◽  
Mangrove Communities

ABSTRACT Recent field studies at five oil spill sites where mangroves were affected provide a broad base of information on the response of mangrove communities to oiling. Three study sites in Florida (two in the Florida Keys, one in Tampa Bay) and two in eastern Puerto Rico were visted in 1978, 1979, and 1980. At each site, impacts on mangroves were assessed by the compartmental method, which uses statistical comparisons of ecological parameters between impacted and comparison stations and produces an array of biological and geomorphic data sets that allows spill sites to be compared. Despite many differences in the size of the spills and the spill sites, the responses of the oiled-mangrove communities were similar in terms of tree mortality; leaf defoliation, deformation, and stunting; seedling deformation and mortality; lenticel expansion; adventitious growth of pneumatophores; and changes in the density and distribution of plants and animals. Each spill site differed mainly in the magnitude of the stress response. Observations of the spills showed that differences in the physical environment, such as the degree of exposure to waves and currents and geomorphic features like the terrain, greatly influence the distribution and persistence of oil within different mangrove forest types. From these studies, mangrove forest types can be ranked by their predicted sensitivity to oil. This differentiation in ranking increases the value of the Environmental Sensitivity Index, especially where it is desirable to assign priorities in a campaign to protect oil-sensitive habitats from oil spills along mangrove-dominated coastlines.

Assessment of oil weathering and impact in mangrove ecosystem: PRISME Experiment.

2017 ◽  
Vol 2017 (1) ◽  
pp. 634-656 ◽  
Author(s):  
Ronan Jézéquel ◽  
Karine Duboscq ◽  
Léa Sylvi ◽  
Emma Michaud ◽  
Lise Millera Ferriz ◽  
...  
Keyword(s):  
Oil Spill ◽  
French Guiana ◽  
Oil Spills ◽  
Oil Pollution ◽  
Benthic Communities ◽  
Economic Value ◽  
Mangrove Ecosystem ◽  
Mangrove Sediment ◽  
In Situ Experiment

Abstract 2017-410 Mangroves are among the most sensitive marine ecosystems to oil pollution due both to the sensitivity of mangroves species and to the high persistence of hydrocarbons in these environments. Despite their ecological and socio-economic value, the potential effects of an oil spill on French Guiana mangroves remain so far unknown. Yet, there is an increasing transboundary risk of oil spill due to Brazilian offshore oil exploitation (in mid-April 2013, there were 122 offshore drilling rigs in Brazil, including 29 under construction – Brazilian Amapá region located in the French Guiana border area is thought to become an important world oil production area in the coming years). The aim of the PRISME project was to assess the natural degradation of oil in mangrove sediment as well as its impact on benthic communities (micro, meio and macrobenthos): a one-month in situ experiment was conducted in the young French Guianese mangrove (around 3 years old) at the mouth of the Sinnamary estuary. The experimental units consisted in eight plastic cores (Ø : 10 cm ; height: 30 cm) manually introduced within sediments. A thin layer of oiled sediment (2 cm, 20 000 ppm) was applied on four cores while the remaining four cores were considered as control (no oil addition). Three cores were additionally sampled at the beginning of the experiment as initial control sediments. After one month in situ, the eight cores were collected and sliced on site into different sedimentary layers aliquots for later analyses (hydrocarbons, bacterial, meio, macrofauna fauna diversity, bioturbation, biogeochemical parameters). Samples were sent to the different laboratories involved in this multidisciplinary project. Results and knowledge gained from this experimental work were used to develop an approach for assessing coastal vulnerability for oil spills preparedness in mangroves.

scholarly journals Assessment of Risk Levels of Mangrove Forest Due to Oil Spill in Muara Gembong, Bekasi Regency

2021 ◽  
Vol 324 ◽  
pp. 01004
Author(s):  
Dena Indriawan ◽  
Ankiq Taofiqurrohman ◽  
Indah Riyantini ◽  
Ibnu Faizal
Keyword(s):  
Risk Assessment ◽  
Oil Spill ◽  
Mangrove Forest ◽  
Euclidean Distance ◽  
Oil Spills ◽  
Mangrove Ecosystem ◽  
Coastal Areas ◽  
Low Rank ◽  
Risk Levels ◽  
Ecosystem Risk

Habitat risk assessment is critical to assess the state of an environment. This research was conducted with the aim to assessand map the risk value of Mangrove Forest due to the oil spill incident in the Muara Gembong Regency, Bekasi District, which previously polluted coastal areas, especially in the mangrove ecosystem. Risk assessment is carried out as an effort to mitigate disaster to have a better prevention strategy, especially in areas that have a higher risk. The method for assessing risk in the mangrove ecosystem in Muara Gembong uses Habitat Risk Assessment using the Euclidean Distance formula, which is divided into three risk classes: low, medium, high. The risk value in coastal areas prone to oil spills has a moderate risk value with a total area of 3.7 km2 because the mangrove ecosystem has good resilience, and low risk for the inner mangrove area of the coastal area has a low chance with an area of 2.85 km2. The risk value in the medium class is 1.02, and the risk value in the low rank is 0.11.

scholarly journals Map of shoreline environment for oil spill response in Can Gio district

2019 ◽  
Vol 3 (1) ◽  
pp. 29-37
Author(s):  
Dao Nguyen Khoi ◽  
Pham Thi Loi ◽  
Hoang Trang Thu ◽  
Nguyen Van Hong
Keyword(s):  
Oil Spill ◽  
Oil Spills ◽  
Salt Water ◽  
Research Result ◽  
Mangrove Ecosystem ◽  
White Shrimp ◽  
Tourist Attractions ◽  
Oil Spill Response ◽  
Potential Risks ◽  
Brackish Water Aquaculture

Ho Chi Minh City has the largest system of river ports and sea ports in Vietnam, approximately 41 operating ports with the largest cargo volume of import and export goods. Due to the high density of river and sea traffic, there are many potential risks of oil spills due to collisions and accidents of water transport vehicles. Therefore, mapping shoreline environment is essential for the oil spill preparedness and response to identify highly contaminated areas and sensitive areas that need to be prioritized for timely prevention and protection. The objective of the study is to establish map of shoreline environment for the oil spill preparedness and response in Can Gio District based on the ESI guideline of NOAA (2002). The map consisted of three components: (1) shoreline classifications, (2) biological resources, and (3) human resources. The research result shows that Can Gio District is a highly sensitive area with oil spills due to the appearance of the mangrove ecosystem and this area grows salt water and brackish water aquaculture such as clam, oyster, cage fish, lipopenaeus (white shrimp), and tourist attractions like beaches, ecotourism destinations. In general, Can Gio is identified as a high sensitive region that needs timely measures to mitigate impacts of oil spill on natural environment and local socio-economy.  

scholarly journals Mangrove Ecosystem Restoration after Oil Spill: Bioremediation, Phytoremediation, Biofibers and Phycoremediation

2021 ◽  
Author(s):  
Ícaro Thiago Andrade Moreira ◽  
Célia Karina Maia Cardoso ◽  
Evelin Daiane Serafim Santos Franco ◽  
Isadora Machado Marques ◽  
Gisele Mara Hadlich ◽  
...  
Keyword(s):  
Oil Spill ◽  
Oil Spills ◽  
Complex Mixture ◽  
Ecosystem Restoration ◽  
Mangrove Ecosystem ◽  
Mangrove Restoration ◽  
Environmental Accidents ◽  
Dangerous Substances ◽  
Short Time ◽  
Spilled Oil

Environmental accidents involving spills of oil and its derivatives in mangroves present themselves as difficult problems to be solved in the short term, as for example in the construction of emergency strategies to combat the arrival of oil stains and fragments. Petroleum its derivatives and the residues generated in this chain, have a complex mixture of hydrocarbons and are considered dangerous substances. This mixture is difficult to degrade and can cause multiple problems in the ecosystem. Our developed biofiber barrier removes oil more than five times in relation to its mass in a simple way and in a short time. However when the spilled oil reaches the mangroves, other biotechnologies were developed and applied such as phytoremediation (87% efficiency), the use of microalgae (94% efficiency) and the use of fungi and bacteria (70% efficiency). This chapter will present biotechnologies developed, patented and applied in cases of oil spills in tropical mangrove of Brazil. These generated biotechnologies have been applied together with civil society in tropical ecosystems that were hit by the Venezuelan oil spill in 2019. The use of advanced molecular biology (studies of genomics, transcriptome, proteomics and metabolomics) in the biotechnologies presented has shown a promising path to faster, viable economically and ecologically correct mangrove restoration.

ECOLOGICAL AND GEOMORPHOLOGICAL ASSESSMENT OF THE VULNERABILITY OF THE COASTS OF THE KARA SEA TO THE OIL SPILL

2017 ◽  
Author(s):  
Alexander Ermolov ◽  
Alexander Ermolov
Keyword(s):  
Oil Spill ◽  
Oil Spills ◽  
International System ◽  
Kara Sea ◽  
Coastal Protection ◽  
Sensitivity Index ◽  
Oil Spill Response ◽  
Expert Assessments ◽  
International Systems

International experience of oil spill response in the sea defines the priority of coastal protection and the need to identify as most valuable in ecological terms and the most vulnerable areas. Methodological approaches to the assessing the vulnerability of Arctic coasts to oil spills based on international systems of Environmental Sensitivity Index (ESI) and geomorphological zoning are considered in the article. The comprehensive environmental and geomorphological approach allowed us to form the morphodynamic basis for the classification of seacoasts and try to adapt the international system of indexes to the shores of the Kara Sea taking into account the specific natural conditions. This work has improved the expert assessments of the vulnerability and resilience of the seacoasts.

An assessment of toxic metals content in the marine sediments of the Shuaiba Industrial Area, Kuwait, after the oil spill during the Gulf War

1996 ◽  
Vol 34 (7-8) ◽  
pp. 203-210 ◽  
Author(s):  
S. Al-Muzaini ◽  
P. G. Jacob
Keyword(s):  
Oil Spill ◽  
Marine Sediment ◽  
Oil Spills ◽  
Industrial Area ◽  
Gulf War ◽  
Oil Wells ◽  
Environmental Damage ◽  
Base Line ◽  
Sampling Locations ◽  
Very High

A field study was carried out involving seven fixed sampling stations. The sampling locations were selected to cover the distribution of pollutants in the Shuaiba Industrial Area (SIA), which was contaminated with oil released from oil wells and broken pipelines and with a vast amount of burnt and unburnt crude oil from the burning and gushing oil wells. The samples were collected biweekly between July 1993 and July 1994. The concentrations of V, Ni, Cr, Cd and Pb were determined and compared with the previously collected baseline data to assess the degree of environmental damage caused due to the oil spills during the Gulf war. The average concentrations (mg/kg) of various elements in the marine sediment were 17.3 for V, 30.8 for Ni, 55.5 for Cr, 0.02 for Cd and 1.95 for Pb. Our results show that even after the heavy spillage of oil, associated metal concentrations were not very high compared with previously reported base line values.

scholarly journals Next-Generation Smart Response Web (NG-SRW): An Operational Spatial Decision Support System for Maritime Oil Spill Emergency Response in the Gulf of Finland (Baltic Sea)

2021 ◽  
Vol 13 (12) ◽  
pp. 6585
Author(s):  
Mihhail Fetissov ◽  
Robert Aps ◽  
Floris Goerlandt ◽  
Holger Jänes ◽  
Jonne Kotta ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Oil Spill ◽  
Situational Awareness ◽  
Oil Spills ◽  
Relevant Information ◽  
Response Strategy ◽  
Spatial Decision Support System ◽  
Next Generation ◽  
Oil Spill Response ◽  
The Baltic

The Baltic Sea is a unique and sensitive brackish-water ecosystem vulnerable to damage from shipping activities. Despite high levels of maritime safety in the area, there is a continued risk of oil spills and associated harmful environmental impacts. Achieving common situational awareness between oil spill response decision makers and other actors, such as merchant vessel and Vessel Traffic Service center operators, is an important step to minimizing detrimental effects. This paper presents the Next-Generation Smart Response Web (NG-SRW), a web-based application to aid decision making concerning oil spill response. This tool aims to provide, dynamically and interactively, relevant information on oil spills. By integrating the analysis and visualization of dynamic spill features with the sensitivity of environmental elements and value of human uses, the benefits of potential response actions can be compared, helping to develop an appropriate response strategy. The oil spill process simulation enables the response authorities to judge better the complexity and dynamic behavior of the systems and processes behind the potential environmental impact assessment and thereby better control the oil combat action.

scholarly journals SAR Oil Spill Detection System through Random Forest Classifiers

2021 ◽  
Vol 13 (11) ◽  
pp. 2044
Author(s):  
Marcos R. A. Conceição ◽  
Luis F. F. Mendonça ◽  
Carlos A. D. Lentini ◽  
André T. C. Lima ◽  
José M. Lopes ◽  
...  
Keyword(s):  
Random Forest ◽  
Oil Spill ◽  
Oil Spills ◽  
Detection System ◽  
Feature Space ◽  
Dark Spot ◽  
Sar Image ◽  
Extensive Search ◽  
Gradient Based ◽  
Biological Films

A set of open-source routines capable of identifying possible oil-like spills based on two random forest classifiers were developed and tested with a Sentinel-1 SAR image dataset. The first random forest model is an ocean SAR image classifier where the labeling inputs were oil spills, biological films, rain cells, low wind regions, clean sea surface, ships, and terrain. The second one was a SAR image oil detector named “Radar Image Oil Spill Seeker (RIOSS)”, which classified oil-like targets. An optimized feature space to serve as input to such classification models, both in terms of variance and computational efficiency, was developed. It involved an extensive search from 42 image attribute definitions based on their correlations and classifier-based importance estimative. This number included statistics, shape, fractal geometry, texture, and gradient-based attributes. Mixed adaptive thresholding was performed to calculate some of the features studied, returning consistent dark spot segmentation results. The selected attributes were also related to the imaged phenomena’s physical aspects. This process helped us apply the attributes to a random forest, increasing our algorithm’s accuracy up to 90% and its ability to generate even more reliable results.

scholarly journals Quantifying the consequence of applying conservative assumptions in the assessment of oil spill effects on polar cod (Boreogadus saida) populations

Polar Biology ◽  
2021 ◽  
Vol 44 (3) ◽  
pp. 575-586
Author(s):  
Pepijn De Vries ◽  
Jacqueline Tamis ◽  
Jasmine Nahrgang ◽  
Marianne Frantzen ◽  
Robbert Jak ◽  
...  
Keyword(s):  
Oil Spill ◽  
Oil Spills ◽  
Population Level ◽  
Threshold Concentration ◽  
The Arctic ◽  
Polar Cod ◽  
Boreogadus Saida ◽  
Precautionary Approach ◽  
Recovery Duration ◽  
The Impact

AbstractIn order to assess the potential impact from oil spills and decide the optimal response actions, prediction of population level effects of key resources is crucial. These assessments are usually based on acute toxicity data combined with precautionary assumptions because chronic data are often lacking. To better understand the consequences of applying precautionary approaches, two approaches for assessing population level effects on the Arctic keystone species polar cod (Boreogadus saida) were compared: a precautionary approach, where all exposed individuals die when exposed above a defined threshold concentration, and a refined (full-dose-response) approach. A matrix model was used to assess the population recovery duration of scenarios with various but constant exposure concentrations, durations and temperatures. The difference between the two approaches was largest for exposures with relatively low concentrations and short durations. Here, the recovery duration for the refined approach was less than eight times that found for the precautionary approach. Quantifying these differences helps to understand the consequences of precautionary assumptions applied to environmental risk assessment used in oil spill response decision making and it can feed into the discussion about the need for more chronic toxicity testing. An elasticity analysis of our model identified embryo and larval survival as crucial processes in the life cycle of polar cod and the impact assessment of oil spills on its population.

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