IJBPAS, July, 2015, 4(7): 5004-5012 ISSN: 2277–4998

COMPOSITIONANDDISTRIBUTIONOFMACROBENTHIC INVERTEBRATESOFSHAPOURRIVER, FARSSOUTH-WEST, IRAN

ALIREZA GOLCHINMAN SHADI1*AND SAKINEHMIR GHAFARI 2 1: Department of Aquatic Health, Faculty of Veterinary Medicine, Kazerun Branch, Islamic Azad University, Kazerun, Iran. 2: Gratuated from Faculty of Basic sciences, Kazerun Branch, Islamic Azad University, Kazerun, Iran *Corresponding Author: E Mail: [email protected]; Tel: 987142230506 ABSTRACT Macrobenthic invertebrates’ fauna of Shapour River at Kezerun, Fars south-west, Iran was conducted from October, 2014 to January, 2015. Benthic samples were collected from three different stations along the river. Three phyla of macrobenthic invertebrates were encountered in the river. They were Arthropoda, represented by fortheen genera, Chironomus, Dixa,Culiseta (Diptera), Argia, Coenagrion,Epitheca (Odonata), Tricorythodes (Ephemeroptera), Notonecta (Hemiptera), Hydrobius,Ochthebius, Ancyronyx (Coleoptera), Hydropsyche (Trichoptera), Potamon, Caridina (Decapoda) Annelida represented by three genera, Erpobdella (Arhynchobdellida), Uncinais (Haplotaxida), Lumbriculus (Lumbriculida) and represented by five genera of gastropods including Melanopsis, lymnaea, Radix, Gyraulus and Melanoides. Arthropoda dominated the macrobenthic invertebrates with a total relative abundance of 58.15% while Annelida were the least abundant, 5.62% by number. Also the abundant of Mollusca were 36.21% by number. Keywords: Benthic Macroinvertebrates, Composition, Shapour River, Kazerun

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Alireza Golchinmanshadi et al Research Article

INTRODUCTION spatial distribution and of Benthic organisms are those organisms that macrobenthic in vertebrate communities of live on or inside the deposit at the bottom of a Iranian rivers [8-13]. Researchers established water body [1]. These organisms play a vital a pattern of relationship between role in the circulation and recirculation of macrobenthic invertebrate fauna, depth, nutrients in aquatic environments. They substrate type and organic contents of constitutethe link between the unavailable sediment. They reported that areas with high nutrients in detritus and useful protein accumulation of sediment and high organic materials in fish. Most benthic organisms feed flux rates from river in e sources supported for a wide range of fishes [2][3].Macro high macro infauna, abundance and biomass. benthic invertebrates are also those organisms Other studies using macrobenthic invertebrate often retained by mesh sizes of 0.05m2 [4] as bio-indicator of anthropogenic impact although the earlystages of many macro onaquatic ecosystem have shown general benthic invertebrates species are smaller than decrease in macrobenthic invertebrate this size. Several benthic species are population and reduction in speciesdiversity relativelylong lived, with life spans ranging and richness [13] and they possess higher from weeks for some opportunistic worms to ability to tolerate pollution-induced months or years for larger taxa [5]. environmental stress thanplankton [14]. Macrobenthic invertebrate are biological The Shapour River has been subjected to quality element require for the classification domestic, agricultural and Industrial of biological status of thewater bodies [6]. activities. The river is the major source Benthic in faunal community studies provide ofdrinking water to the inhabitants of these the ‘golden standard’ in terms of determining communities. This study provides a baseline whetheror not alterations in benthic data on the composition,distribution, communities are occurring and together with abundance and diversity of macrobenthic sediment, toxicity and chemistry, whetheror invertebrates of the ShapourRiver. not such changes are due to toxic MATERIALS AND METHODS contaminants in the sediments [7]. Over the Description of Study area last decades there has been aconsiderable The study was carried out in the effort to document the ecology, composition, ShapourRiver which is one of the major rivers

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Alireza Golchinmanshadi et al Research Article inKazrrun, Fars south-west, Iran .The poured into a white enamel tray, stained with ShapourRiver has a length of 220 RoseBenger Solution and sorted using kmoriginated from the highlands of forceps. They were sorted out into different Kazeroon. This is followed by the western groups and preserved in 4% formalin. They region Kazeroon after a mountain path and were then identified under a compound connect multiple branches flows through microscope using the key guide of theBushehrprovince and connects to Environmental Protection Agency [16] and theDalakiriverwhich flows into the Persian counted. Gulf. Data analysis Sampling stations The statistical analyses were carried out with Three sampling stations (1-3) were chosen SPSS version 19.0 for windows. along the river course. The co-ordinates of the RESULT sampling stations weretaken using The examination of samples resulted in a total Geographic Positioning System (GPS) and number of 21 families representing 4 classes approximate distances of the stations were and 13 orders of benthic macroinvertebrates calculated, eachstation was 1000m apart from (Table 1).All families found during the the other [15]. monthly sampling from October to Januaryat Sampling procedure all stations(S1,S2 and S3)(Table 2).Overall, Benthic samples were collected monthly from the benthic macroinvertebrate communities of the November, 2014 to January, 2015 at three the Shapour River were dominated by different stations of thestudy area (Figure 1) Melanopnis (15.33%). Frequency percentage using a van Veen grab, usually between of Macrobenthic invertebrate genus in three 7:00am and 10:00am. For each sampling stations is shown in figure 2. Three phyla of station, 3 or 4hauls were made by sending the macrobenthic invertebrates were encountered grab down into the buttom. The sediment in the river. They were Arthropoda, collected were poured into polythenebags, represented by fortheen genera, Chironomus, labeled and brought to the laboratory for Dixa, Culiseta (Diptera), Argia, Coenagrion, analysis. The sediments were passed through Epitheca (Odonata) ,Tricorythodes 3 sieved of 2mm, 1mmand 0.5mm mesh sizes (Ephemeroptera), Notonecta (Hemiptera), to collect the benthos. The benthos were Hydrobius, Ochthebius, Ancyronyx

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Alireza Golchinmanshadi et al Research Article

(Coleoptera), Hydropsyche (Trichoptera), Gyraulus and Melanoides (Table 1). Potamon, Caridina (Decapoda) Annelida Arthropoda dominated the macrobenthic represented by three genera, Erpobdella invertebrates with a total relative abundance (Arhynchobdellida), Uncinais (Haplotaxida), of 58.15% while Annelida were the least Lumbriculus (Lumbriculida) and Mollusca abundant, 5.62% by number. Also the represented by five genera of gastropods abundant of Mollusca were 36.21% by including Melanopsis, lymnaea, Radix, number (Figure 1). Table 1-Taxonomical list of benthic macroinvertebrates which were determined in theShapour River number Genus Family Order Class Phylum 1 Argia Coenagrionidae Odonata Insecta Arthropoda 2 Coenagrion Coenagrionidae Odonata Insecta Arthropoda 3 Epitheca Corduliidae Odonata Insecta Arthropoda 4 Tricorythodes Leptohyphidae Ephemeroptera Insecta Arthropoda 5 Notonecta Notonectidae Hemiptera Insecta Arthropoda 6 Hydrobius Hydrophilidae Coleoptera Insecta Arthropoda 7 Ochthebius Hydraenidae Coleoptera Insecta Arthropoda 8 Ancyronyx Elmidae Coleoptera Insecta Arthropoda 9 Hydropsyche Hydropsychidae Trichoptera Insecta Arthropoda 10 Dixa. Dixidae Diptera Insecta Arthropoda 11 Culiseta Culicidae Diptera Insecta Arthropoda 12 Chironomus Chironomidae Diptera Insecta Arthropoda 13 Potamon Potamidae Decapoda Malacostraca Arthropoda 14 Caridina Atyidae Decapoda Malacostraca Arthropoda 15 Melanopsis Melanopsidae Basommatophora Mollusca 16 lymnaea Lymnaeidae Basommatophora Gastropoda Mollusca 17 Farsithyra Stenothyridae Gastropoda Mollusca 18 Gyraulus Planorbidae Basommatophora Gastropoda Mollusca 19 Melanoides Thiaridae Neotaenioglossa Gastropoda Mollusca 20 Erpobdella Erpobdellidae Arhynchobdellida Clitellata Annelida 21 Uncinais Naididae Haplotaxida Clitellata Annelida 22 Lumbriculus Lumbriculidae Lumbriculida Clitellata Annelida

Table 2: Abundance of macroinvertebrates (indv/m2) in different stations in theShapour River Number per Month Numberpe Macroinvertebrates r Genus October November December January Argia 5 4 6 - 15 Coenagrion 6 5 1 2 14 Epitheca 1 4 3 - 8 Tricorythodes 23 6 8 12 49 Notonecta 2 3 6 - 11 Hydrobius 36 31 29 22 118 Ochthebius 24 29 17 15 85 Ancyronyx 4 1 2 - 7 Hydropsyche 43 47 33 32 155 Dixa 13 8 9 3 33 Culiseta 23 15 9 - 47 Chironomus 31 24 14 3 72 Potamon 9 8 3 36 56 Caridina 3 2 11 27 43

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Alireza Golchinmanshadi et al Research Article

Melanopsis 36 37 53 62 188 Melanoides 3 1 3 - 7 Lymnaea 11 12 15 20 58 Gyraulus 17 20 25 25 87 Farsithyra 26 25 27 26 104 Erpobdella 9 15 9 3 36 Uncinais 6 2 3 - 11 Lumbriculus 9 7 6 - 22 Total 340 306 292 288 1226

Arthropoda Mollusca Annelida

5.62 %

36.21 %

58.15 %

Figure1: Frequency percentage of Macrobenthic invertebrate phylum in three stations

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Alireza Golchinmanshadi et al Research Article

percent 18 16 15.33 14 12.64 12 9.62 10 8.48 8 6.93 7.09 5.87 6 4.56 4.73 3.99 3.83 3.5 4 2.69 2.93 1.22 1.79 2 1.140.65 0.89 0.57 0.57 0.89 0

Figure 2: Frequency percentage of Macrobenthic invertebrate genus in three stations DISCUSSION expected in ecosystems devoid of The number of recorded benthic significantanthropogenic impacts. macroinvertebrate’s population was generally Changes made in the composition of low because of some ecologicalimbalance Macrobenthic population are often in arising from alterations of some important response to environmental factors and factors governing the abundance and stressful conditions in the river to maintain distribution of thebenthic communities. Such ecological balance [21]. Researchers showed factors include water quality, immediate that the groups which are sensitive to substrates for occupation and food pollution (Ephemeroptera, Plecoptera, availability[17]. According to [18] cited by Trichoptera) in contaminated areas are [19], the bigger the size of a lotic water body reduced and vice versa, the resistant groups the poorer the macroinvertebraterichness. In Diptera (Chironomidae and Simullidae) are addition, high human activity around the increased [22].Results from the another study sampling stations which released wastes into showed that the most abundant macrobenthic the river couldalso be a possible explanation. invertebrate fauna throughout thestudy period [20] reported that high biodiversity is was Chironomuslarvae; could be attributed to the fact that this insect is known to thrive in

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Alireza Golchinmanshadi et al Research Article pollutedenvironment properly due to III. It could be concluded that Shapour River possession of haemogloblin a pigment that water is not under stress due to organic transport and store dissolved oxygen,also the pollutants from anthropogenic sources such as present of Tubifexlarvae and some gastropods the surrounding industries and water front recorded during this study attribute to the fact dwellers releasing raw human excreta, that they weretransported by water current detergents, wastewater and cleaning agents and were tolerant of the prevalent water from the industries but may when the path condition. However, the presence of goes and close to the sea the river be polluted theseindicator species suggests organic that further research is needed. pollution from anthropogenic REFERENCES source[23]However, such a case was found in [1] Odum EP. Fundamentals of ecology, Shapour river that seems to be due to the 3rd W.B. Saunders Company. proximity of the stations to the source of the Philadelphia, 1971; pp. 574. river and lake of the water pollution. [2] Imevbore AM, and Bakare O. Ed. Humans may have the ability to manipulate Studies, 1970, 7, 87-98. the environment to suit their needs, but this [3] AdebisiAA. A Report Prepared for requires a responsible approach. Our present Agro Team. Ibadan, Nigeria, 1989; pp. generation must therefore stand up and be 7-8. accountable for our actions focusing our [4] Mason CF. Biology of fresh water knowledge and intuition toward a better pollution. Longman International, future that includes the availability of clean, New York, 1981; pp. 23. freshwater for all the nations of the world. [5] BamikoleWA,NdubuisiAO, and CONCLUSION OlaronkeOO. Research journal of I.Arthropoda was the most abundant biological sciences, 2009, 4, 272-279. taxonomic group in terms of numerical [6] TimmH and Mois T.Verh. Int. Verein. abundance. Limnol, 2008, 30, 138-140. II.The benthic macro invertebrate [7] ChapmanPM and AndersonJ. communities of the Shapour River were Integrated Environ. Assess. Manage, dominated by Melanopnis. 2005, 1, 163-173.

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