scholarly journals Assessment of Anthropogenically Stressed Ecosystem of Port Waters Using Macrobenthic Community-Biotic Indices

2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Sigamani Sivaraj ◽  
Durga Prasad Behera ◽  
Kolandhasamy Prabhu
Keyword(s):  
Anthropogenic Disturbance ◽  
Iron Ore ◽  
Ecological Status ◽  
Reproductive Mode ◽  
Macrobenthic Community ◽  
Biotic Index ◽  
Anthropogenic Pressure ◽  
Biotic Indices ◽  
Indicator Organism ◽  
Benthic Population

Macrobenthic community being used as marine health indictor vis-à-vis to anthropogenic disturbance since their characteristic of life cycle (reproductive mode, sedentary, energy transfer, sensitive-resistance species, indicator organism etc.). Therefore, the present study was chosen in Vizag port waters have been subject to a variety of anthropogenic pressure in the last two decades. The purpose of this study was to assess the ecological status of the port environment through biotic indices like AZTI 's Marine Biotic Index (AMBI) and Multivariate-AMBI Index (M-AMBI) which have been successfully validated geographically and anthropogenically stressed habitats. The result revealed that the inner harbor (IHC, Iron ore Q1 & Iron ore Q7) stations are heavily disturbed while the outer harbor fall between undisturbed and moderately disturbed status. It was observed that the reduced tidal action inside the harbor determines the health status indicating that the Iron ore transporting areas are at high risk with respect to benthic population.

scholarly journals Assessing water quality in the Kelebek Stream branch (Gediz River Basin, West Anatolia of Turkey) using physicochemical and macroinvertebrate-based indices

2021 ◽  
Vol 4 (3) ◽  
pp. 260-278
Author(s):  
Alperen Ertaş ◽  
Bülent Yorulmaz
Keyword(s):  
Water Quality ◽  
River Basin ◽  
Working Party ◽  
Total Variance ◽  
Biotic Index ◽  
Average Score ◽  
Anthropogenic Pressure ◽  
Biotic Indices ◽  
Gediz River ◽  
Gediz River Basin

This study was carried out in Kelebek, which is the most important stream in Gediz River Basin, Turkey, to determine water quality by using macroinvertebrate-based metrics and physicochemial variables. In addition, we also aimed to investigate the effects of anthropogenic pressure and dam construction on stream macroinvertebrates during the study period. In this study, following biotic indices are used: Saprobi Index (SI), Biological Monitoring Working Party (BMWP), Average Score per Taxon (ASPT), Family Biotic Index (FBI), Belgian Biotic Index (BBI), as well as diversity indices: Shannon-Weaver index (SWDI), Simpsons index (SDI) and Margalef index (MDI). Collection of macroinvertebrate samples and the physicochemical measurements were carried out monthly for a year. As a result of the identification, the most dominant macroinverterate group was Insecta. Our results show the presence of 9 taxonomic group in the stream which belong to nine groups: Oligochaeta, Mollusca, Crustacea, Ephemeroptera, Plecoptera, Trichoptera, Odonata, Coleoptera, Diptera. Canonical correlation analysis (CCA) indicates importance of physicochemial variables in the distribution of different macroinvertebrates groups (total variance 88%), species (total variance 86.2%) and biotic indices (total variance 88.2%). The water quality along the Kelebek Stream show variation from good class in station #1, #2 and #5, to moderate in station #3 and #4. We conclude that BMWP (Original), BMWP (Spanish), BMWP (Greek) and ASPT indices are suitable for assessing stream health by macroinvertebrates.

scholarly journals Patent-information support for assessing the environmental status of the soil

2015 ◽  
Vol 16 (1-2) ◽  
pp. 36-51 ◽  
Author(s):  
V. L. Samokhvalova ◽  
O. V. Mangryka ◽  
A. I. Fateev ◽  
V. M. Gorjakina
Keyword(s):  
Soil Quality ◽  
Contaminated Soils ◽  
Ecological Status ◽  
Legal Protection ◽  
Water Soluble ◽  
Information Support ◽  
Maximum Efficiency ◽  
Anthropogenic Pressure ◽  
Patent Information ◽  
Environmental Status

Innovative (patent information research, elaboration of new methods and their implementation) and environmental management, the using of human-contaminated soils, soil protection against pollution and its prevention are the basic directions of the strategic management of soil resources. In conditions of intensive anthropogenic pressure the assessment of the ecological status of soils is an important factor, which reduces the risks of soil degradation and to propose ways to restore their productive and ecological functions on the further development of functional - ecological approach in soil science (Dobrovolsky, Nikitin, 1986, 1996). Therefore, urgent and important in theoretical and practical aspect is the elaboration of new technical decisions (methods) of soil quality assessment to create conditions to improve and to prevent the reduction of the level of productivity of soils and plants, the deterioration of their quality. The purpose of the investigations – the analysis of information sources existing patent information base of Ukraine and Russia on the issue of the environmental assessment of soils and perform patent research. Tasks perform patent research: the technical level of the object; analysis of scientific and technical activities leading developers; studying trends existing way to do that; techno-economic analysis of technical solutions/inventions that meet the objectives of the development; the study of the newness and novelty of the developed object and its constituent parts; investigated of the feasibility of its legal protection. It was considered the features of assessment of the soils environmental status in the investigation of the current patent-information database in Ukraine and Russia, components of which are developed new technical decisions. It was reviewed the providing patent information to assess the ecological status of both contaminated and uncontaminated soils. By analysis it was found that the patent-information support of Ukraine and Russia relative to existing methods of soils ecological status assessment is presented by the following ways: the ways of assessing of the soils research background concentrations, mobile, gross or water-soluble forms of trace elements and heavy metals; estimates based on bioassay and bioindication in combination with chemical analytical measurement indicators; comprehensive and expert evaluation of the properties of soils and its contamination; assessment of soil quality, considering the physical, physic-chemical and others properties; assessment of soil pollution using GIS technology, etc. The technical result of the developed methods is to improve the objectivity of assessment of changing soil quality and accuracy of the expert-analytical assessments of functional suitability of soils certain territory to growing different crops on a permanent or constant impact factor of pollution; for zoning for maximum efficiency use of different methods, methods of remediation of contaminated soils or soil improvers of different nature and micronutrients using to optimize the trace element status of soil and plants, soil quality; to evaluate the effectiveness of the testing results of the elaborated technical decisions in different soil-climatic zones.

The use of benthic macroinvertebrate families for river quality assessment in Lithuania

2012 ◽  
Vol 7 (4) ◽  
pp. 741-758 ◽  
Author(s):  
Giedrė Višinskienė ◽  
Rasa Bernotienė
Keyword(s):  
Quality Assessment ◽  
Ecological Status ◽  
Estimation Method ◽  
Environmental Parameters ◽  
Biotic Index ◽  
Benthic Macroinvertebrate ◽  
Accurate Estimation ◽  
Macroinvertebrate Communities ◽  
River Quality ◽  
Lithuanian Rivers

AbstractThe aim of this study was to evaluate the influence of environmental factors on the distribution of macroinvertebrate taxa in different sized lowland Lithuanian rivers. A secondary aim was to assess ecological river quality and to determine the most suitable biotic index. A final aim was to determine the most appropriate macroinvertebrate families for river quality assessment in Lithuania. Species composition and quantitative characteristics of benthic macroinvertebrate communities have been investigated using standard kick-sampling method by a standard hand net in 24 different river sites in spring. Physical and chemical environmental parameters were measured in the same study site as the macroinvertebrate sampling. A total of 186 taxa representing 66 families or higher taxonomic ranks of benthic macroinvertebrates have been identified. Water temperature and current velocity influenced the highest number of ivestigated families. Seven of the most tolerant and eleven of the most sensitive macroinvertebrate taxa for hydrochemical parameters related with organic pollution were determined. The DSFI method was founded to be the best index for assessment of ecological status for Lithuanian rivers until more accurate estimation method will be created.

The use of the marine biotic index AMBI in the assessment of the ecological status of the Óbidos lagoon (Portugal)

2006 ◽  
Vol 52 (11) ◽  
pp. 1414-1424 ◽  
Author(s):  
Susana Carvalho ◽  
Miguel B. Gaspar ◽  
Ana Moura ◽  
Carlos Vale ◽  
Paulo Antunes ◽  
...  
Keyword(s):  
Ecological Status ◽  
Biotic Index

Testing the efficiency of temperate benthic biotic indices in assessing the ecological status of a tropical ecosystem

2016 ◽  
Vol 106 (1-2) ◽  
pp. 62-76 ◽  
Author(s):  
Sanitha K. Sivadas ◽  
Rahul Nagesh ◽  
G.V.M. Gupta ◽  
Udaykumar Gaonkar ◽  
Indranil Mukherjee ◽  
...  
Keyword(s):  
Ecological Status ◽  
Biotic Indices ◽  
Tropical Ecosystem

scholarly journals Trophic state of lobelia lakes subjected to strong anthropogenic pressure located close to the Tricity area (northern Poland)

2017 ◽  
Vol 17 (4) ◽  
pp. 195-205
Author(s):  
Maciej Markowski
Keyword(s):  
Anthropogenic Disturbance ◽  
Trophic State ◽  
Trophic Status ◽  
Natural Process ◽  
Anthropogenic Pressure ◽  
Natural Evolution ◽  
Lake Evolution ◽  
Lobelia Lakes ◽  
Leisure And Recreation ◽  
Lake Fertilization

Abstract Intensive and expansive human activity greatly accelerates the natural process of lake evolution. It is assumed that an increase in the rate of lake fertilization (often termed “eutrophication”) is the most common and most serious anthropogenic disturbance occurring in these aquatic geoecosystems. Lobelia lakes, one of the most valuable water bodies, are particularly exposed to this type of pressure. The article presents the trophic state of 13 lobelia lakes, located close to the Tricity area, in the northeastern part of the Kashubian Lakeland, which are not legally protected. These lakes represent different geoecosystems determining the rate of their natural evolution, and are subjected to various forms of anthropopressure (numerous summerhouses, fishing, waterside leisure and recreation). The trophic status of these lakes was assessed on the basis of the Carlson-type indices. The evaluation indicated that six of these lakes were in borderline mesotrophic-eutrophic state, and seven represented a significantly advanced eutrophic state.

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