Nasrin Sakhaei

• PhD
• Khorramshahr University of Marine Science and Technology

Phytoplankton is considered the primary producer of any ecosystem and is sensitive to environmental changes. Therefore, phytoplankton is a suitable indicator for evaluating river water quality. Change of the environment leads to changes in abundance, diversity, and dominance of phytoplankton communities. Six stations were selected from beginning of...

The high volume of plastic waste, especially microplastics (MPs), has caused a global concern in the last decades. The present study aims to investigate the presence of MPs in two zooplankton groups in the southwest of the Caspian Sea due to the importance of zooplankton populations in the bottom levels of the marine food pyramid and the probabilit...

Black corals are known as deep-water creatures; however, members of the family Antipathidae are also found in shallow waters. Considering that the Persian Gulf is home to the northernmost coral species of the Indian Ocean, only species of genus Antipathes have been reported from the Persian Gulf so far. This paper is the first record of Cirrhipathe...

Planktonic crustaceans are of specific importance in energy transfer due to their location in the middle links of the food chain of aquatic ecosystems. Therefore, they directly affect the abundance and diversity of the higher categories of the food pyramid, especially stocks and fishery resources. In this study, the impact of a tidal cycle on the z...

This study investigated the molecular phylogeny, prevalence, and intensity of infestation by symbiotic barnacle, Chelonibia genus, occurring on blue crab, P. segnis, from the Persian Gulf. More than 237 individual crabs were collected for analysis. Two molecular markers (28S rRNA and COI mtDNA) were applied for species delineation. Two species, Che...

Polychaetes are the most abundant taxon in benthic communities. The polychaete assemblages on the Iranian Caspian Sea coast were studied during the summer of 2016 and winter of 2017 to examine the spatial-temporal variability in diversity and community structure, as well as their relationships with the main environmental variables. As a representat...

The planktonic protozoa belong to microzooplankton group, which comprise an essential group within the food chains of aquatic ecosystems. In the present work, diversity in planktonic protozoan is explored in the coastal waters of Qeshm Island. Samples were collected using a conical plankton net with a mesh size of 20 μm seasonally during 2017. Phys...

Studies concerning octocoral species from the Persian Gulf coral reefs are few. This study documents the diversity and abundance of octocoral communities from three islands in the north Persian Gulf, namely, Larak Island, Hengam Island and Qeshm Island. Belt transects were used to survey the octocoral communities at these islands. We used a rapid e...

Studies concerning octocoral species from the Persian Gulf coral reefs are few. This study documents the diversity and abundance of octocoral communities from three islands in the north Persian Gulf, namely, Larak Island, Hengam Island and Qeshm Island. Belt transects were used to survey the octocoral communities at these islands. We used a rapid e...

Octocorals (Octocorallia, Alcyonacea) are distributed worldwide and their taxonomy in the Persian Gulf has been a subject of controversy among experts due to their cryptic features. Here, we present a primary review of the Alcyonacea in the Iranian Persian Gulf with molecular documentation to provide insight into the real diversity within this orde...

Nayband Bay is a unique protected area located on the Iranian coast of the Persian Gulf. The bay supports a diverse macrobenthic assemblage; studying the biomass and secondary production of such a habitat can offer insights into the ecosystem’s patterns and processes. In total, 18 benthic sampling sites were taken from six sites along the bay betwe...

Monitoring of benthic communities is important factor in ecosystem health studies. The Caspian Sea is considered as an independent zoogeographical region due to its diversity, specificity and endemism of its fauna. For studying frequency and distribution patterns of macrobenthic community, 5 transects along the Southern Coasts of Caspian Sea from A...

Medusae play an important role in energy transfer in marine ecosystems. The research community structure features have medals of the order Leptomedusae from Cnidaria in coastal waters of Bandar Abbas (Persian Gulf). Sampling was conducted in spring and autumn of 2016 at six stations. Sampling was conducted with a 300μm mesh size plankton net. The h...

Mangrove is one of the most significant ecosystem of the coastal wetland from both ecological and biodiversity point of view. Many physicochemical parameters like tidal fluctuation, temperature, salinity etc. controls this ecosystem dynamic. Monitoring of benthic communities is important factor in ecosystem health studies. 6 transects along north c...

n this study, Padina pavonica used as a biological monitor of heavy metals on the coast of Bushehr. For this purpose, four stations of Helileh, Lian, Rafael (burned ship) and Naftkesh were selected as sampling sites and sampling of sediment and Algae were done in the summer and winter of 2016. Powdered samples of sediments and algae were digested a...

The purpose of this study was to identify and investigate the density and distribution of copepoda and cladosera and the structural analysis of their dominant species in the Arvand river by SEM (scanning electron microscope). Sampling was conducted with 50 μm mesh size plankton net at 6 stations and four times (in different seasons) with three repu...

The aim of this study was to evaluate the risk of carcinogenesis and non-carcinogenicity of heavy metals of mercury, cadmium and lead in the muscle of Liza abu, Acanthopagrus latus and Pennahia anea in the winter from Bahmanshir River. 90 specimens of pseudo-sharked, coarse, dark-skinned, and yellow-white-skinned specimens were prepared completely...

Coastal waters of Khuzestan and Hormozgan provinces are very important in the fisheries industry. Due to of direct and indirect impacts of the Jellyfish on the dynamic of fish larvae and zooplankton, study of their population is very important. So that in this study scyphomedusae were collected in summer and winter of 2015 from 6 stations of coasta...

This paper presents the first record of Viminella Gray 1870 from the Persian Gulf. This genus has a global distribution and its largest distribution is in the Indo-Pacific region. A single specimen was collected by a local fisherman from south Hengam Island (the north Persian Gulf) from 60-70 m depth. Colony morphology characteristics were examined...

In this study, Identification of Chiromantes boulengeri was carried out in 2014 in two parts of the Arvand River in Minoo Island (Minoo City Bridge and Omm ol Ejaj region) based on the characteristics of its mtDNA gene. In order to investigate the molecular analyzes of this species with the species close to the NCBI gene bank, DNA was extracted fro...

This research took place to study to measure the total lipids and total protein content in a dominant razor clam of Solen dactyls. In the Gabon tidal channel situated in the north west of the Persian Gulf, 10 specimens of Jack knife clam S. dactylus were collected randomly in autumn 2016 and spring 2017 from 4 stations. The clam is one of the most...

This study, conducted in 2014, made attempts to determine and compare the amount of the heavy metals mercury, cadmium, lead, cobalt and vanadium in water and sediments of 5 stations of the Bahmanshir River in the middle months of summer and winter. This river has been an estuary area subject to the ebb and flow of the tide, hence rich in ecological...

Polychaetes assemblages were studied in the south Caspian Sea shallow waters. The sediment samples collected by a Van-Veen grab (0.0625 m2) from Gomishan, Gorgan bay, Tonekabon, Kiashahr and Astara coastal areas (Depts 1, 3 and 5 m) in winter & summer, 2017. The sediments were screened by sieves (mesh sizes: 0.5, 1 and 2 mm), and the worm specimens...

Environmental quality assessments recommend use of sessile invertebrates. Because, they are unable to escape from environmental deterioration. In addition, the ability of adaptive responses to such environmental change, would determine its survival and reproduction potential. The organism adaptability may therefore be defined by its capacity to adj...

The purpose of the current study is the histomorphologic survey of Litopenaeus vannamei shrimps ovarian development is different stages of the reproductive cycle.30 female L. vannamei shrimps from ChoebdehsCultivation and Breeding Center in Abadan city were examined. Sampling was done in the spring (May 2013). The samples were transfered to the his...

Taxonomic studies on the Anomura larvae of the Persian Gulf are relatively few. This research has been done on larval stage of Diogenes sp. (Anomura: Diogenidae)on coastal waters of Bahmanshir River. Anomura is a group of decapod crustaceans, including hermit crabsthat are cosmopolitan and could be found from coastal waters to 5000 m in depth. The...

arge head hair tail lives in warm waters around the world and around the Persian Gulf and Oman Sea. In this study, 310 samples from four populations of this species in the waters of Chabahar, East and West of Strait of Hormuz and waters of Bushehr were collected using trawl fishing method. The morphological and microsatellite analysis were performe...

This research was conducted to assess the Bahmanshir river health and biodiversity using Nygard-Palmer index. Phytoplankton sampling was performed monthly by the use of a 30-micrometer mesh size plankton net at 6 different stations along the river since September 2013 to August 2014. A total of 109 species of microalgae (phytoplankton) were identif...

The present study aimed at evaluating the biodiversity of planktonic rotifers in a horizontal salinity gradient in both summer and winter 2014 at the Bahmanshir river estuary. Planktonic rotifers were sampled using 100 μm mesh size plankton net from six stations with three replications. In this study, 14 species of rotifers belong to 6 genera and 3...

This investigation carried out to study of foraminifers’ communities in the eastern part of Qeshm Island during the hot and the cold seasons. Samples were collected with 3.3 cm diameter corer from the first 5 cm surface of sediments in 9 stations with 3 replicates. In the study 44 specimens were identified specifically, and 31 specimens were typifi...

Rotifers are an important group of zooplankton in aquatic ecosystems that contain relatively high amounts of unsaturated fatty acids, proteins and peptides. Rotifers, especially Brachionus plicatilis species, are one of the important live food sources for maine fish larvae in aquaculture. The aim of this study was to evaluate the antioxidant activi...

In the present study, energy budget of dominant bivalve of the Oman Sea, Azumapecten ruschenbergerii, was evaluated at Chabahar Bay subjected to changes of temperature and food, before and after monsoon. Scope for growth (SFG) is used to indicate ecophysiological condition of animals. It is determined in studying energy budget. SFG values were calc...

The aim of this study was to investigate Genetic diversity and population structure of big head cutlass fish (Trichiuruslepturus) using morphological and molecular methods in the Persian Gulf and Oman Sea. The research method was descriptive-monitoring. To achieve the aims of research, sampling was performed from two regions of the Persian Gulf and...

Background: This study was carried out to determine the oil fatty acids from two special species of microalgae; Spirulina sp.,Chlorella sp. and also Chaetoceros sp. collected from Bahmanshir River. Materials and Methods: Sampling of microalgae Chaetoceros sp. from Bahmanshir River was under taken using bottle samplers during spring season of 2013....

This research have been conducted to investigate pelagic fish larval disperse, biodiversity and morphological features around Hengam Island. The island is located in south coast of Qeshm island in Strait of Hormoz. The bottom of vicinity water of Hengam Island is covered with coral reefs. Sampling carried out from late winter 2012 until late autumn...

Abstract The aim of this study was to investigate benthic invertebrate community and application of AMBI (AZTI's Marine Biotic Index) for determining quality of health status in Bahmanshir River in vicinity of Abadan City. Sampling was done to collect macrobenthose from six stations seasonally through March 2011 to Septambre 2011. Totally, 67 speci...

Background: Marine algae are shown to contain a wide range of bioactive compounds, which have commercial application in pharmaceutical, medical, cosmetic, nutraceutical, food and agricultural industries. The biological activity of the natural bio-active compounds in algae has wide effects on bacteria, tumors and antioxidant activities. The purpose...

The purpose of study was to evaluate the anti-oxidant and anti-bacterial activities of three species of green, brown and red algae from northern coast of the Persian Gulf, The study was performed using DPPH, FRAP, PMD and RP tests for anti-oxidant capability and disk diffusion and plate methods of ethanol extraction for anti-bacterial ability. In t...

This study was done on Hydromedusae in Bahrakan coasts due to identification and calculated of Hydromedusae density. Zooplankton samples collected by plankton net (300μm) from six stations in July, August, October of 2010 and December, February, April of 2011. Environmental parameters such as salinity, pH, temperature and dissolved oxygen were meas...

The study describes the temporal and spatial distribution of larval stages of two species of Alpheidae from the Bahmanshir and Arvand estuaries in north of the Persian Gulf. Planktonic larvae were collected using 0.45 m diameter plankton net with 300μm mesh size monthly horizontal towing from February 2011 to October 2012. The larval stages illustr...

This study was carried out aiming to identify and evaluate the diversity and abundance of rounded crab larvae in Hengam Island coastal waters from winter to autumn 2011. Planktonic larvae of brachyuran crabs were sampled using 300 μm mesh net. Environmental factors such as temperature, salinity and dissolved oxygen were also measured. Seven species...

The study on aquatic larval stages backgrounds of ecological and evaluation of their reserves in our offers. This research has been done on morphology and abundance characteristics of larval stage of Xanthidae's family on coastal waters of Hengam Island (The Persian Gulf). Sampling was done by plankton net with 300 μm mesh size by method of diagona...

Abstract This study was done to identify larval stages and biodiversity of Dendrobranchiata planktonic communites in artificial reefs of Khuzestan coasts(Bahrekan area in Northwest Persian gulf) for one year from May 2011 to April 2012 monthly basis.Sampling was conducted using a plankton net with a spring 300 micrometers. Totally, from two superfa...

میکروزئوپلانکتون ها نقش مهمی را در زنجیره غذایی اکوسیستم های آبی دارند که به عنوان حلقه ی واسطه زنجیره غذایی بین فیتوپلانکتون ها و سطوح غذایی بالاتر عمل می کنند. هدف از این مطالعه، بررسی وضعیت اکولوژیک آب های بهمنشیر بر اساس محاسبه شاخص های تنوع زیستی است. در این تحقیق شاخص های زیستی زئوپلانکتونی در منطقه بهمنشیر مورد بررسی قرار گرفت. نمونه برداری...

The present investigation is based on separation and identification of Planktonic Acartidae in Hendijan Harbor during 2010-2011. Zooplankton samples collected by plankton net (100μm) from six stations in July, August, October of 2010 and December, February, April of 2011. In this study family of Acartidae was represented by 5 species: Acartia ohtsu...

This research has been done on larval stage of two species of Epialtidae's Family on coastal waters of Hengam Island (The Persian Gulf) in 2011. Sampling is done by plankton net with 300 μm mesh size by a method of diagonal traction from bottom to surface in 6 stations for a year from winter 2011 to autumn 2012. This research is done based on morph...

The survey on distribution of family Palaemonidae was taken place from March 2011 to October 2012 in vicinity of Bahmanshir and Arvand estuaries in north of the Persian Gulf. Planktonic larvae of palaemonidae were collected using 0.45 m diameter plankton net with 300μm mesh size monthly horizontal towing 100 meter. The larval stages illustrated and...

The purpose of this investigation was to study the density and diversity of Eirenidae in Bahrakan waters (Northwestern Persian Gulf). The Sampling was conducted in 6 stations, during July, August and October in 2010 and December, February and April in 2011, using 300μm mesh size plankton net. Environmental parameters such as salinity, pH, temperatu...

Microzooplankton plays an important role in aqutic food web And They act as trophic intermediates between the phytoplankton and higher trophic levels. Biological indexes of zooplankton in coastal region of Bahmanshir waters were investigated. samples were collected using plankton net (45 cm and mesh size of 100 μm) during spring, summer, autumn and...

This study was done to identify larval stages and biodiversity of Dendrobranchiata planktonic communities in artificial reefs of Khuzestan coasts (Bahrekan area in Northwest Persian Gulf) for one year from May 2011 to April 2012 monthly basis. Sampling was conducted using a plankton net with a spring 300 micrometers. Totally, from two superfamily:...

In order to study of Cnidarian medusae populatiopn dynamic in Bahrakan waters (Northwestern Persian Gulf), planktonic samples were collected from 6 stations during July, August, October of 2010 and December, February, April of 2011. Sampling was conducted with 300µm mesh size plankton net. Water quality parameters such as salinity, pH, temperature...

The present investigation is based on separation and identification of Planktonic Poecilostomatoida in Bahrakan waters during July, August, October of 2010 and December, February, April of 2011. In this study The order of Poecilostomatida was represented by 3 species, Corycaeus andrewsi and Sapphirina nigromaculata andSaphirella- like copepodid. Ab...

Abstract The aim of this investigation was to study the Calanoid Copepods density and diversity in Bahrakan waters (Hendijan Harbor, Persian Gulf, Iran). Sampling was conducted during July, August and October 2010 and December, February and April 2011. Zooplankton were collected with plankton tows using 100μm mesh net. Environmental parameters incl...

This study took place to survey the changes of diversity and distribution of the gastropods in an important fishing area in the northwest coasts of the Persian Gulf due to bottom trawling. Sampling carried out before the shrimp trawling season then repeated two weeks and three months after the end of the shrimpfishing season. Two set of nine sampli...

Mysida includes small planktonic Crustaceans that are cosmopolitan, this tiny animals could be found in variety of marine habitats and depts. In this investigation mysida populations were sampled and studied from Iranian costal waters of Persian Gulf (estuary of Arvand and Bahmanshir rivers) in monthly basis from March to October 2011. Sampling pro...

The study took place to survey the changes in diversity and distribution of Polychaetes in fishing area of Bahrakan, due to the trawling. Sampling was taken before (15 May) of trawling and two weeks (5 Sep) and three months (14 Nov) after trawling in 2010, in three period in Bahrakan coast. Therefore, eighteen stations placed with the depth of 6 me...

The present investigation is based on the study of density and identification of orders Cyclopoida and Harpacticoida in Bahrakan waters, Handijan Harbor (NW Persian Gulf). Sampling was conducted during July, August and October 2010 and December, February and April 2011. Zooplankton samples were collected by plankton net (100 - μm) from six stations...

To taxonomic identification and density determination of medusae in Bahrakan area (Persian Gulf), planktonic samples were collected from 6 stations in July, August, October in 2010 and December, February and April in 2011. Sampling was conducted with 300µm mesh size plankton net. Environmental parameters such as salinity, pH, temperature and dissol...

This is an attempt to study the larval stages of Portaunidae from the Iranian coastal waters. Samples were collected monthly with a 300 μm aperture net from the coastal waters of Khuzestan (North of the Persian Gulf) from May 2007 to April 2008. The larval stages are illustrated and described in detail for Portunus pelagicus and Thalamita prymna. S...

Biological indexes of zooplankton in coastal region of Bahrakan waters- Hendijan harbor were investigated. samples were collected using plankton net (45 cm and mesh size of 100 μm) during July, August, October of 2010 and December, February, April of 2011.Mean of Shannon diversity index was (1.95) over the year and the min of Margalef species richn...

True crabs (Brachyuran) on intertidal zones from the Gulf of Oman are not well known yet. In this study, brachyuran crabs of Iranian coasts of the Gulf of Oman have been studied. Five localities, each included three stations have been selected along Iranian coasts of the Gulf of Oman. Samples have been collected by trapping, mainly with hand, ident...

In our ecological study on Planktonic copepods of Bahrakan waters in August 2010, (Hendijan Harbor- NW Persian Gulf- Iran) a copepod species, Acartia (Acartiella) faoensis Khalaf, 1991 was collected. This current report is the first record of this species in Iranian waters of NW Persian Gulf.

Brachyura Ocypodidae Macrophthalmus depressus Serenella leachii Ilyoplax frater Tylodiplax indica Dotilla blanfordi Dotilla sulcata Uca annulipes Scopimera crabricauda Ocypodidae aesthetasc Macrophthalmus depressus M. depressus Ilyoplax frater sp1 Camptandrium

chthyoplankton data provide a base for research into population dynamics of major fishery species. Information on ichthyoplankton ecology forms an important component of stock assessment and fishery management plans. Also, nursery areas are important regions for the recruitment success of fishery stocks; and as such, conservation of these areas is...

Ichthyoplankton data provide a base for research into population dynamics of major fishery species. Information on ichthyoplankton ecology forms an important component of stock assessment and fishery management plans. Also, nursery areas are important regions for the recruitment success of fishery stocks; and as such, conservation of these areas is...

There have been relatively few taxonomic studies on the Brachyura of the Persian Gulf region, despite the recent ecological focus on the area due to its economic importance. Plankton samples were collected monthly from Coastal waters of Khuzestan (North of the Persian Gulf) from May 2007 to April 2008. The present descriptive study is based on the...

The present information is based on the study of the zoeal stages of Hexapus sexpes. A single ovigerous female of Hexapus sexpes was collected from the North West Persian Gulf (29°56'14"S,49°0288"W) in April 2009. Female was maintained in aquarium containing natural sea water at 25°C until the eggs hatched. The present study describes the zoeal sta...