Rapid Assessment of Organic Pollution in a West-central Mexican River Using a Family-level Biotic Index

2002 ◽  
Vol 45 (5) ◽  
pp. 613-632 ◽  
Author(s):  
Lisa J. Henne ◽  
Daniel W. Schneider ◽  
Luis M. Martinez
Keyword(s):  
Rapid Assessment ◽  
Organic Pollution ◽  
Biotic Index ◽  
West Central ◽  
Family Level

scholarly journals Rapid Bioassessment of Magura haor (Floodplain wetland), Cachar District, Assam, India using Aquatic Insects

2015 ◽  
Vol 10 (1) ◽  
pp. 296-304 ◽  
Author(s):  
Arpita Dalal ◽  
Susmita Gupta
Keyword(s):  
Water Quality ◽  
Aquatic Insects ◽  
Rapid Assessment ◽  
Biotic Index ◽  
Floodplain Wetland ◽  
Four Seasons ◽  
Family Level ◽  
The Status ◽  
Water Quality Status ◽  
Rapid Assessment Survey

Investigation on the water quality of the floodplain wetland, Magura through rapid assessment survey using aquatic insects for the four seasons had been done during 2013-14. Aquatic insects were collected from the two sites and were identified up to family level. All together 5 orders (Hemiptera, Coleoptera, Odonata, Ephemeroptera and Diptera) and 21 families had been recorded from the wetland. 17 families from site 1 (Hemiptera- 7 families, Coleoptera- 4 families, Odonata- 3 families, Ephemeroptera- 1 family and Diptera- 2 families) and 18 families from site 2 (Hemiptera- 6 families, Coleoptera- 6 families, Odonata- 2 amilies, Ephemeroptera- 1 family and Diptera- 3 families) were recorded. Four family level biotic indices- SIGNAL 2, ASPT, BMWP and FBI had been used to determine the status of the water quality. According to SIGNAL 2 and BMWP scores it was moderately polluted, whereas ASPT showed doubtful quality but FBI proved very good (site 1) and good water condition (site 2). This study revealed that only one biotic index cannot give proper justification of the water quality status of a wetland.

A family-level macroinvertebrate biotic index for ecological assessment of lakes in Yunnan, China

2017 ◽  
Vol 44 (6) ◽  
pp. 864-874 ◽  
Author(s):  
Li-Na Du ◽  
Yan-E Jiang ◽  
Xiao-Yong Chen ◽  
Jun-Xing Yang ◽  
David Aldridge
Keyword(s):  
Ecological Assessment ◽  
Biotic Index ◽  
Family Level

scholarly journals Rapid Assessment of Water Quality in Teluk Lake by Using Macroinvertebrates (A Family Level Biotic Index)

2018 ◽  
Vol 68 ◽  
pp. 04006
Author(s):  
Siswanta Kaban ◽  
M. Edi Armanto ◽  
M. Rasyid Ridho ◽  
Poedji L. Hariani
Keyword(s):  
Water Quality ◽  
Anthropogenic Activities ◽  
Rapid Assessment ◽  
Working Party ◽  
Biotic Index ◽  
Average Score ◽  
Running Water ◽  
Three Stages ◽  
Polluted Waters

In this study the water quality of Teluk Lake, Jambi Province by biological indices using macroobenthic during December 2017 to March 2018 were evaluated. Macro obenthic have been the most commonly indicator of running water quality to rapidly detect water quality changes. The methodology consisted on three stages: 1) macro invertebrates sampling and and sorting of the organisms in laboratory, 2) taxonomic identification of organisms and 3) determination and scoring with the Biological Monitoring Working Party -Average Score per Taxon (BMWP-ASPT) index. Result of water quality of Teluk Lake based on the diversity of macroinvertebrates was degraded with BMWP-ASPT index below 4. Based on the BMWP-ASPT score of the macroinvertebrates, both of sampling 1 and 2 were polluted with the category of medium and heavily polluted. In general, the decreasing of water quality of Teluk Lake was due to anthropogenic activities, so that the intolerant macro invertebrates could not survive in polluted waters while the tolerant ones can adapt well to the polluted aquatic environment.

scholarly journals Ecological assessment of the River Nile around Gizert El-Warrak by Phytoplankton and macroinvertebrates assemblages

2018 ◽  
Author(s):  
Kadria M.A. Mahmoud ◽  
Sara S.M. Sayed ◽  
Mohamed R. Habib
Keyword(s):  
Diversity Index ◽  
Ecological Status ◽  
Organic Pollution ◽  
Ecological Assessment ◽  
Biological Assessment ◽  
Biotic Index ◽  
Trophic State Index ◽  
River Nile ◽  
Summary Statement ◽  
State Index

AbstractBiological assessment is considered a useful tool for assessing the ecological status of the aquatic ecosystems. Therefore, the goal of the present study was to use phytoplankton and macroinvertebrates as biological tools for ecological assessment of the River Nile around Gizert El-Warrak. A total of 33 phytoplankton species identified in the studied stations; these include 16 species of Chlorophyta, 5 species of Cyanophyta and 12 species of Bacillariophyta. All investigated stations characterized by high organic pollution according to Palmer′s index. Trophic state index showed a hyper-eutrophic status in stations S1, S2, S4, S6 and S8 and an eutrophic status in stations S3, S5 and S7.Gastropoda and Oligochaeta were the most dominant of macroinvertebrates taxa recorded 50.8 and 24.6%, respectively. Diversity Index (H′) ranged (1.14 – 2) which indicated that the structure of macroinvertebrates habitat was poor. Also, Evenness Index (J) ranged (0.016 – 0.043) which indicated that individuals were not distributed equally. The values of biotic index depending on macroinvertebrates categories showed that the River Nile’s water quality is fairly poor with significant organic pollution.Summary statementBioassessment based on non-taxonomic measurements of algae and biotic indices of macroinvertebrates may be considered as vital methods that reflect disturbances in aquatic systems for both short-term and long-term.

scholarly journals Reliability of Taxonomic Sufficiency for Simplifying Benthic Index M-AMBI Methodology in A Heavily Polluted Estuary

2020 ◽  
Author(s):  
Hongjun Li ◽  
Yi Sun ◽  
Yanbin Gu ◽  
Pengfei Xie ◽  
Yuan Liu ◽  
...  
Keyword(s):  
Species Level ◽  
Biotic Index ◽  
Ecological Quality ◽  
Taxonomic Sufficiency ◽  
As Species ◽  
Level Data ◽  
Ecological Quality Status ◽  
Family Level ◽  
Benthic Index ◽  
The Relationship

Abstract In order to assess the ecological quality status of coastal environments in Europe, the AZTI’s Marine Biotic Index (AMBI) and multivariate-AMBI (M-AMBI) have been developed. However, the applicability and validity of these methods worldwide remains in question, particularly for complex ecosystems such as estuaries. The present study, therefore, is an investigation of the relationship between the M-AMBI and different contamination variables in a eutrophic estuary in three seasons (i.e., spring, summer and autumn). In addition, the reliability of taxonomic sufficiency for simplifying M-AMBI operation was tested. The results showed that genus- and family-level data accurately reproduced the spatial-temporal patterns of species-level community assemblages. The M-AMBI values showed a consistent spatial distribution pattern in all sampling seasons, with a decreasing trend along the increasing distance from the estuary inlet. Furthermore, both genus- and family-level results performed nearly as well as species-level data in detecting the seasonal variations of different contaminants (i.e., nutrients and organic enrichment). The taxonomic sufficiency succeeded in this temperate ecoregion is owing to the high aggregation ratios at different taxonomic levels in all sampling events. In general, these findings suggested that application of taxonomic sufficiency based on the M-AMBI provides a simple and efficient method for evaluating variations of ecological quality in the Liaohe Estuary.

scholarly journals Evaluation of the Use of Some Benthic Macro-invertebrate Multimetric Indices Associations with Environmental Variables in Ecological Assessment of Some Ethiopian Rivers

2017 ◽  
Vol 20 ◽  
pp. 49-54
Author(s):  
Gezahegn Degefe ◽  
Girum Tamire ◽  
Seid Mohammed Hassen ◽  
Abinet Haile
Keyword(s):  
Water Quality ◽  
Ecological Status ◽  
Organic Pollution ◽  
Ecological Assessment ◽  
Biotic Index ◽  
Strongly Correlated ◽  
Upstream Site ◽  
Multimetric Indices ◽  
Biological Quality Elements ◽  
Poor Water Quality

The ecological status of six selected rivers which are found around central Ethiopia and North Shewa Zone and exposed to environmental stresses at varied extent, was studied using biological quality elements (BQE). One thousand one hundred thirty three (1133) individuals of macroinvertebrates, from 22 families and 5 orders of insects, were collected from the rivers. Seven metrics that had low correlation (p>0.05) were selected to calculate the final B-IBI and the result showed that both sites of Akaki, Sebeta and Jemma Rivers had poor water quality whereas Beresa, Chacha and Mojo (upstream site) had relatively better water quality. Canonical Correspondence Analysis (CCA) showed that Tabanidae, Syrphidae, Culicidae, and Canidae was more strongly correlated with temperature but strongly and negatively with pH, Dissolve Oxygen (DO) and Nitrate. The result implied that the change in abundance of these groups of macroinvertebrates could indicate the change in pH, DO and Nitrate. pH and DO were significantly (p < 0.05) and positively correlated with % Ephemeroptera and% Baetidae. On the other hand, DO showed strong but negative correlation % Oligochaeta, % Non-Insect and Hillsenhoff Family Biotic Index which implied that that the change in pH and level of organic pollution can be easily monitored using these metrics.HYDRO Nepal JournalJournal of Water Energy and EnvironmentIssue: 20Page: 49-54

scholarly journals Rapid assessment of wood density of live trees using the Resistograph for selection in tree improvement programs

2003 ◽  
Vol 33 (12) ◽  
pp. 2426-2435 ◽  
Author(s):  
Fikret Isik ◽  
Bailian Li
Keyword(s):  
Wood Density ◽  
Rapid Assessment ◽  
Tree Improvement ◽  
Volumetric Method ◽  
Individual Tree ◽  
Diallel Mating Design ◽  
The Family ◽  
Family Level ◽  
Two Measures ◽  
Improvement Programs

Wood density is traditionally determined by a volumetric method that is accurate but expensive for large-scale sampling. A new device called the Resistograph was investigated for rapid assessment of relative wood density of live trees in progeny trials. Fourteen full-sib families of loblolly pine (Pinus taeda L.) produced by a six-parent half-diallel mating design were tested at four sites. For each family, wood density was measured with the traditional volumetric method and then compared with the Resistograph readings (amplitude). Amplitude had weak (0.29) to moderate (0.65) phenotypic correlations with wood density on an individual-tree basis over the four sites. The family mean correlation between the two measurements, however, was much stronger (0.92). The additive genetic correlation between the two measures was also high (0.95). Individual-tree breeding values of amplitude yielded more accurate rankings than phenotypic values. The rankings of the parental, general-combining abilities were identical for the two measures. Both wood density and amplitude were under strong genetic control at the family level (full-sib family heritability (h2fs) = 0.95 for wood density and h2fs = 0.85 for amplitude). The efficiency of using the Resistograph as a means of indirect selection for improvement of wood density was 87% at the family level. Results from this study suggest that the Resistograph could be used reliably and efficiently to assess relative wood density of live trees for selection in tree improvement programs. The method is rapid, nondestructive, and much cheaper than the traditional volumetric method.

scholarly journals Effect of Environmental Stressors on the Distribution and Abundance of Macroinvertebrates in Upper Awash River at Chilimo Forest, West Shewa, Ethiopia

2021 ◽  
Vol 2021 ◽  
pp. 1-8
Author(s):  
Misgana Dabessa ◽  
Aschalew Lakew ◽  
Prabha Devi ◽  
Hirpasa Teressa
Keyword(s):  
Dissolved Oxygen ◽  
Diversity Index ◽  
Environmental Parameters ◽  
Paper Mill ◽  
Organic Pollution ◽  
Environmental Stressors ◽  
Biotic Index ◽  
Average Score ◽  
Riverine Systems ◽  
The Impact

Ethiopia is experiencing deterioration in river quality resulting in adverse effects on human health and hydrobionts. This study aimed to analyse the effects of specific environmental stressors on the distribution and abundance of macroinvertebrates in the Upper Awash River. The study was conducted from January 2018 to March 2018. Macroinvertebrates were collected from five sites using standard handheld nets. Physicochemical parameters including electrical conductivity, dissolved oxygen, total phosphorous, nitrate-nitrogen, pH, dissolved oxygen and water temperature that can affect the distribution and abundance of macroinvertebrates were assessed. A total of 14,465 individuals belonging to 33 families of insects and 5 families of the noninsect group were identified. Among all recorded taxa, Diptera was the most abundant and diversified order. Macroinvertebrates among the five sites showed variation in species evenness, richness, and Shannon Diversity Index. Values obtained from biotic indices and environmental parameters indicated the presence of organic pollution at different levels. The impacted downstream site paper mill waste (Walgata) had the relatively highest H-FBI index followed by Osole (more agricultural activities) indicating that Walgata and Osole were poorer in benthic faunal diversity than other sites. In addition, as habitat and water quality degradation increased, the number and percentage of Plecoptera, Ephemeroptera, and Trichoptera (EPT) decreased. The selected metrics will be also useful for the monitoring and assessment of the riverine systems and to access the impact of different stressors. As perturbation increased, species diversity, ETHbios index, Average Score Per Taxon, and family richness decreased, while the percentage of Chironomidae, Diptera, Dominant Taxa, and Hilsenhoff Family-Level Biotic Index increased indicating that tolerant species become abundant in degraded river bodies. Environmental protection agencies of governmental and nongovernmental organizations should make awareness for the local people so that they reduce activities that affect the river. Paper factory should also monitor its effluent from directly discharging into the Upper Awash River.

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