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  • Biology  (220)
  • Chemistry
  • Tehran, Iran  (184)
  • Cell Press
  • Islamic Azad University, Science and Research Branch, Tehran, Fisheries
  • 1
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    Hydroxyapatite catalyzed hydrothermal liquefaction transforms food waste from an environmental liability to renewable fuel (2023)
    Cell Press
    Details
    Publication Date: 2023-03-08
    Description: © The Author(s), 2022. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in LeClerc, H., Tompsett, G., Paulsen, A., McKenna, A., Niles, S., Reddy, C., Nelson, R., Cheng, F., Teixeira, A., & Timko, M. Hydroxyapatite catalyzed hydrothermal liquefaction transforms food waste from an environmental liability to renewable fuel. IScience, 25(9), (2022): 104916, https://doi.org/10.1016/j.isci.2022.104916.
    Description: Food waste is an abundant and inexpensive resource for the production of renewable fuels. Biocrude yields obtained from hydrothermal liquefaction (HTL) of food waste can be boosted using hydroxyapatite (HAP) as an inexpensive and abundant catalyst. Combining HAP with an inexpensive homogeneous base increased biocrude yield from 14 ± 1 to 37 ± 3%, resulting in the recovery of 49 ± 2% of the energy contained in the food waste feed. Detailed product analysis revealed the importance of fatty-acid oligomerization during biocrude formation, highlighting the role of acid-base catalysts in promoting condensation reactions. Economic and environmental analysis found that the new technology has the potential to reduce US greenhouse gas emissions by 2.6% while producing renewable diesel with a minimum fuel selling price of $1.06/GGE. HAP can play a role in transforming food waste from a liability to a renewable fuel.
    Description: This work was funded by the DOE Bioenergy Technology Office (DE-EE0008513), a DOE DBIR (DE-SC0015784) and the MassCEC. The authors thank WenWen Yao, Department of Environmental Science at WPI, for TOC analysis, Mainstream Engineering for heating value characterization of the oil and solid samples, Wei Fan for assistance in obtaining SEM images and, Julia Martin and Ronald Grimm for their assistance in collecting XPS data, and Jeffrey R. Page for his assistance with oil upgrading and analysis. HOL was partially funded for this work by NSF Graduate Research Fellowship award number 2038257. A portion of this work was performed at the National High Magnetic Field Laboratory Ion Cyclotron Resonance user facility, which is supported by the NSF Division of Materials Research and Division of Chemistry through DMR 16-44779 and the State of Florida.
    Keywords: Chemistry ; Chemical engineering ; Catalysis
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 2
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    Population genetic structure of silver pomfret, Pampus argenteus, in Persian Gulf and Oman Sea in Iran and Kuwait waters by using10 Microsatellite Markers (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25257 | 18721 | 2018-09-07 06:57:02 | 25257 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: The silver pomfret, Pampus argenteus, is distributed in Indo-western pacific ocean, especially in Persian Gulf and Oman sea, and although is widely commercially exploited, the genetics structure of this species is not clear completely. In the present study, the genetic diversity and population structure of Pampus argentus in the Persian Gulf and Oman Sea were investigated using microsatellite DNA markers. Genomic DNA from 125 specimens was extracted and PCR amplification performed. Seven loci with reasonable polymorphism were amplified. The results showed that average of observed heterozygosity was ranged from 0.54 while expected heterozygosity was 0.67. After applying the Hardy-Weinberg Equilibrium (HWE) test, some loci were found to be significantly deviated from HWE in some populations in which deficiency of heterozygotes was apparent. Population differentiation observed among all populations (P〈0.01). The population differentiation (Fst) value between Kuwait and bushehr was the highest and significant (0.087) and between Chabahar and Bushehr (0.021) was the lowest and significant. Genetic distance analysis showed that the largest distance (0.269) was between Khuzestan and Chabahar and the smallest distance (0.075) was between Bushehr and Chabahar. The reported results could be of interest for management and conservation programmes of this species in the Persian Gulf and Oman Sea.
    Keywords: Biology ; Iran ; Persian Gulf ; Oman Sea ; Kuwait waters ; Bushehr Province ; Khuzestan province ; Chabahar ; Population ; Genetic ; Structure ; Silver pomfret ; Pampus argenteus ; Microsatellite markers ; Species ; Diversity ; DNA ; PCR ; Heterozygosity ; Equilibrium
    Repository Name: AquaDocs
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  • 3
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    An investigation of some biological aspects of three species: tiger toothed croaker, Otolithes ruber, Javelin grunter, Pomadasys kaakan and black pomfret, Parastromateus niger in the Oman Sea for optimizing fishing season (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25105 | 18721 | 2018-08-23 05:49:02 | 25105 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: During the years 1382-83, some biological aspects of three species Tiger-toothed Croaker, Otolithes ruber, Javelin grunter, Pomadasys kaakan, Black Pomfret, Parastromateus niger, have been investigated in the Oman Sea along Sistan-O-Baluchistan province. Based on the frequency of developed maturity stages (IV, V), a prologed spawning activity extending from August to March was determined for O.ruber, and the Gonadosomatic Index (GSI) suggests two peaks:the minor one in October and the major one in March-April. Comparison of Hepatosomatic Index (HI) and Condition factor (Kn) with the peak spawning indicated a reverse relationship. According to length at first maturity (Lm50%= 40cm) and exploitation of fish at length 42cm above, the stretched optimum mesh size of nets was calculated to be 100mm. On analysis of stomach food item, fish group dominated (80%), which of them Anchovy accounted for 40% of the total frequency. Comparison of mean length between the years 1374-75 and 1382-83 showed 4cm in decrees. Population dynamics parameters were determined through length based modals and the exploitation rate was estimated to be E=0.6, suggesting high level exploitation. The usal streched mesh size of nets(constructed from multifilament webbing) for capturing O.ruber were less than the proposed optimum mesh size of nets, indicating 78% of the total landings were smaller than Lm50%. Total landings in 1381 have increased up to 15% when compared to those of the year 1376. Despite the decrease of total efforts (Panel.day) by 37%, the mean value CPUE has increased up to 82%. Regarding Pomadasys kaakan species, a year-round spawning activity has been observed, with two peaks: A major one in April and an aminor one in September. As those of O.ruber species, there was an inverse relationship between HI and Kn with the peak spawning activity. Based on the length at first maturity (Lm50% = 44cm) and capturing fish of the length at 46cm and above, the stretched optimum mesh size of nets was calculated to be 149.6mm. According to analysis of stomach contents, fish group accounted for 35% of the groups studied, which of them , Largehead hairtail, Trichiurus lepturus linnaeus, constituted 52% of the total frequency. In addition to estimation of population dynamics, the exploitation rate was estimated to be E= 0.49. Majority of the species catch was made by mesh size of nets used for O.ruber of which 133mm mesh size accounted for the level (30%). Information on length distribution showed that 60% of the total fish landed was below Lm50%. Total landings in 1381 decreased to 10% in comparison to 1376.Total fishing efforts and CPUE also decreased to 33% and 24% respectively. For parastromateus Niger, There was a long period spawning activity from March to December, with two peaks: A major one in August and a minor one in March. According to Lm50% (39cm) and catching of fish 39cm above, the stretched optimum mesh size of nets was calculated as 167.7mm. Based on stomach contents, ring-shaped worms and larval shrimp equally made 29% of the total frequency showing the highest contribution. Comparison of mean length indicated 3cm in decrease in 1382-83 when compared to 1374-75. Population dynamics parameters were estimated and the exploitation rate was estimated to be E = 0.54. The usual stretched mesh size of nets for P. niger was 146mm and 81% of the total fish landed were smaller than Lm50%.In 1381,total catch of the species increased four and a half-fold in comparison to 1376, while total efforts decreased up to 28% and CPUE increased two and a half-fold.
    Keywords: Biology ; Fisheries ; Iran ; Oman Sea ; Investigation ; Biological ; Tiger toothed Croaker ; Otolithes ruber ; Javelin grunter ; Pomadasys kaakan ; Black pomfret ; Parastromateus niger ; Season ; Fishing
    Repository Name: AquaDocs
    Type: monograph
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  • 4
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    Survey on parasitic infections of Barbus spp. from south-west of Iran (Khouzestan Province) (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25108 | 18721 | 2018-08-24 06:17:44 | 25108 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: A survey on parasitic infections on Barboid fishes of South- west of Iran (Khouzestan province) were done during Spring 2002 to Autumn 2004. Altogether 296 specimens from 5 different fish species were examined. The fishes were collected from five stations of Karoun River (Ahwaz-Goulestan, Molasani, Dez Dam), Karkheh River (Hamidia Dam) and Shadgan Lagoon. The fishes transported alive to the laboratory where they measured and weighted. Then they were killed by cutting the spinal cord. According to the results of this study 22 different parasites were revealed, 15 of then detected to the species level and 7 of them to the genus level. The metazoans are as follows: The monogenea, are Dactylogyrus onchoratus, D.persicus. Two digeneans: Diplostomum spathaceum, Asymphilodora sp. Five nematods: Rhabdochona denudata, Philometra karuensis, Philometra sp., Psudocapilaria tomentosa Contracecum larvae sp. and only one acanthocephalus, Neoechinorhynchus. Three protozoans are: Ichtyophthirius multifiliis, Trichodina sp., Goussia sp., Balantidium sp. And Myxozoans: Myxobolus persicus M. karuni M. nodulointestinalis, M iranicus, M.mesopotamia, M. pfief eri, Myxobolus sp., Myxidium rhodei, Myxidium pfiefferi. Histopathological investigation of some parasites was done as well. Pathologacal potential of M. nodulointestinalis and M. pfiefferi were revealed. According the results of this study three new parasites and eleven new hosts for Iranian freshwater fishes and three new host for three Myzoxoans were introduced.
    Keywords: Biology ; Ecology ; Fisheries ; Iran ; Khouzestan Province ; Barbus fishes ; Parasites ; Protozoa ; Metazoa ; Dactylogyrus onchoratus ; Rhabdochona denudata ; Philometra karuensis ; Species ; Fish
    Repository Name: AquaDocs
    Type: monograph
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  • 5
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    The effect of attractant on the growth factor and survival rate of Penaeus semisicatus (green Tiger) (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25109 | 18721 | 2018-08-23 05:41:58 | 25109 | Iranian Fisheries Science Research Institute
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    Publication Date: 2021-07-16
    Description: This project was carried out in 2000 to determine the effect of attractant diet on growth and survival rate of Penaeus semisulcatus in fifteen treatment each with three replication were applied for 45 days. The results indicate that 40I B, 40II and T foods had highest effect on mean weight which were 0.1556, 0.1492 and 0.1164 grams respectively. The yield data were compared with regression which showed us the positive correlation coefficient between yield and food consumption was 0.75.
    Keywords: Aquaculture ; Biology ; Iran ; Penaeus semisulcatus ; Food consumption ; Mean Weight and growth ; Survival rate ; Growth factors ; Green tiger
    Repository Name: AquaDocs
    Type: monograph
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  • 6
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    Determining nutritional requirements in Beluga (H.huso) from larval stage to marketable size (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25107 | 18721 | 2018-08-24 06:13:27 | 25107 | Iranian Fisheries Science Research Institute
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    Publication Date: 2021-07-16
    Description: Growth experiments were designed and conducted in several phases in order to determine the most suitable starter diet, to determine the effects of different levels of protein and energy and also to determine the effects of different ratios of carbohydrate to fat on growth and body composition in farmed Huso huso from the larval stage up to the marketing stage. Phase one Growth experiments were conducted in a random statistical design to compare growth trends in H. huso larvae (mean weight 105.02 ± 0,02 mg) without being adapted to formulated diets. Experiments were conducted in fibreglass tanks (500 litre capacity) under similar culture conditions. Four replicates were run for each experiment. Larvae were fed four types of formulated diets (Diet A=100 % formulated diet produced in the International sturgeon Research Institute, Diet B=formulated diet imported from Holland, Diet C= formulated diet imported from France, Diet D= a mixture of Diet A + 10% gammarus) 8 times a day to satiation for a period of 49 days. The results obtained were compared with those obtained for the control group that was fed live food (Daphnia and Artemia). Mean water temperature during the experimental period was 18.52 ± 0.48 °C and mean dissolved oxygen was 7.35 ± 0.18 mg/l. The first signs of food granules were observed in the guts of the larvae after 12 h of the first feeding. All experimental groups were adapted to granulated diets on day 3 to day 5. In the beginning of the experimental period the larvae showed a no normal distribution (P 0.05) in terms of weight and length. However significant differences were observed in the end of the experimental period among the different groups studied in terms of growth, specific growth rate and food efficiency (P 0.05). Growth in group B and D were significantly higher than that in other groups except for the control group (P 0.05). It may thus be concluded that the olfactory organs of larvae took to Diet B (may be due to its composition) and to the diet D (because of its odour, texture and suitable flavour) more readily than other diets. At the end of the experimental period, maximum survival (98%) belonged to the control group. Survival rate in Group B and Group D was 90 % and 86.5%, respectively (P 0.05). Minimum survival belonged to fish fed Diet A (29.7%) and Diet C (45.5%). With regard to the adaptability of larvae to formulated diets, survival rates and growth and development in larvae we may conclude that the effects of different formulated diets on growth in larvae can be conducted on larvae with a mean body weight between 100 to 120 mg. In this weight class the digestive system and olfactory organ are fully developed and play a vital role in searching for food particles.
    Keywords: Aquaculture ; Biology ; Iran ; Huso huso ; Protein to energy ratio ; Carbohydrate to fat ratio ; Body composition ; SGR
    Repository Name: AquaDocs
    Type: monograph
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  • 7
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    The survey of feeding and reproduction of cetenophora Mnemiopsis leidyi in the southern of Caspian Sea (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25112 | 18721 | 2018-08-23 05:48:23 | 25112 | Iranian Fisheries Science Research Institute
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    Publication Date: 2021-07-16
    Description: Menmiopsis leidyi was entered into Caspian Sea from Black Sea and mass population constitutes in the southern Caspian Sea. In this surveys, the relationship between length and wet weight measured and length and weight followed by this equation: n=384, R^2=0.87 w=0.003L^9005 . The relationship of dry and wet weight calculated, in this surveys, the ratio of dry weight to wet weight was equal to 1.615% in 12 salinity. In vitro, the clearance rate at 12 and 27 C were 52.48 and 107.33 ml/h, respectively, daily ration at above temperatures were 1.98 and 16.65 respectively. Mnemiopsis leidyi can feed Acartia in accordance to 16.5 mg/1gbw (body weight) at 27 C in one day. The average digestive time in 12 C and 27 C were 77.50 min and 36 min respectively. The digestive value in 27 C was 2.5 fold than 12 C. The result indicated that clearance rate, daily ration and digest were increased in high temperature. Stomach content of Mnemiopsis leidyi was shown that this organism utilized from Acartia and Balanus, in addition, stomach content of kilka including two species of zooplankton from the southern Caspian Sea. Stomach contents of clupeonella cultiventris contain more than 54 percent of Acartia and its nauplii. This frequency observed in cluponella engrauliformis and clupeonella grimmi. On basis of zooplankton sampling in the sea, over 90 percentage of zooplankton populations contain Acartia.
    Keywords: Biology ; Iran ; Caspian Sea ; Menmiopsis leidyi ; Zooplankton ; Population ; Survey ; Feeding ; Cetenophora
    Repository Name: AquaDocs
    Type: monograph
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  • 8
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    Identification of native fishes of western Azarbaijan province - phase 1: northern water source (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25116 | 18721 | 2018-08-24 06:19:54 | 25116 | Iranian Fisheries Science Research Institute
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    Publication Date: 2021-07-16
    Description: The aim of this research was to identify fish species distributed in the water resources located at West- Azarbaijan province. Sampling was done seasonally, from 14 sampling sites in main branches of different rivers including Aras, Zangmar, and Ghator. Fish samples caught with different tools, fixed in 10 % formalin, and finally transferred to the laboratory for biological investigations. The identified fish were 25 species belonging to 8 fish family comprising of Cyprinidae, Balitoridae, Cobitidae, Siluridae, percidae, poecilliidae, Gobiidae, Salmonidae. Among them, cyprinidae family had the highest percentage of diversity. There were 2 species from Balitoridae and 1 species from the rest of other family.
    Keywords: Biology ; Fisheries ; Iran ; Western Azarbaijan province ; Identification ; Native fishes ; Water
    Repository Name: AquaDocs
    Type: monograph
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  • 9
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    A survey of some biological aspects of cobia (Rachycentron canadum) (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25125 | 18721 | 2018-08-26 13:28:59 | 25125 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: Biology aspects of cobia (Rachycentron canadum) were investigated from October 2005 to December 2006 in Northern waters of Persian Gulf (Hormozgan province).The reproduction cycle, sexual maturity, sex ratio, Fecundity, Lm50, feeding, length frequency, growth parameters and mortality of cobia were studied from total of 509 specimens ranged from 19 to 159 fork length. Gonadosomatic index peaked during spring and summer with main peak in June. Spontaneous spawning occurs around the year with peak in June. The overall female to male ratio was significantly 1 : 1.49 (P〈0.05). Batch fecundity were estimated 1684954±118990 in 15 females. Relationship between total length and fecundity were calculated F=1.3717TL 2.9567 (r^2= 0.82). Feeding studies indicated that the bony fishes were main food of cobia (76%) and followed by crustaceans (25%) and mollusks (11%). Rays were least food items (22%). Maximum and Minimum GaSI were observed in March (33%) and August (0.07%) respectively. Females reached 50% sexual maturity at 81.25 cm TL. The total length -weight relationship was W=0.0042L3.1162 (r^2=0.9852). Thetotal length-fork length relationship was TL= 1.1561FL-2.533 (r^2= 0.9933). Growth parameters K, L, and t_0 were calculated by von bertalanfy growth equation: 0.11 (year1), 168.65 cm, 3.49 and -0.97 respectively. The instantons rate of total mortality (z), natural mortality (M) and fishing mortality estimated by catch curve analysis were 0.30, 0.25, 0.14 (year1). Exploitation rate and Tmax were 0.36 and 28 year respectively.
    Keywords: Biology ; Iran ; Persian Gulf ; Hormozgan province ; Rachycentron canadum ; Cobia ; Sex ratio ; Fecundity ; Lm50 ; Feeding ; Mortality ; Growth ; Parameters ; Biology ; Maturity ; Spawning ; Fecundity
    Repository Name: AquaDocs
    Type: monograph
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  • 10
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    Recognition of fishes in rivers and basin of Qom (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25143 | 18721 | 2018-08-26 16:50:02 | 25143 | Iranian Fisheries Science Research Institute
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    Publication Date: 2021-07-16
    Description: This study was carried out on rivers, basins & qanat of Qom region during the 1376-1378and Fish samples were taken from 2 permanent rivers (Qomrood ,Ghara_chag)& from some seasonal ones (Tagharood, Zavarian, Vesva, Biraghan). Also local fishes was followed in 100 qanats in the region and Random fish sampling was done in permanent river extension out of province. This study aimed to recognize different fish species in the province water reservoir and estimating the fisheries potential in the province. For fish sampling nets such as mashk, salik, hook and hand tailored were used. Electroshoker was not used at all. Results of fish recognition showed that fish samples belong to 12 species & 4 family of "cyprinidae", "Balitoridae", "cyprinodontidae" and "poecilidae".The qanat fishes of the montain (kahak, Khagestan) and pastora area (Ghanavat,jafarabad) included by two families of "cyprinid", "Balitoridea".In some qanat which were connected to rivers more species of fish and anotherAquatic animal were observed & sampled.At the and map of geographical distribution of local fishes was planned.
    Keywords: Biology ; Iran ; Qom province ; Qomrood ; Ghara_chag ; Tagharood ; Fish ; Samples ; Species ; Fisheries ; Electroshoker ; Cyprinidae ; Balitoridae ; Cyprinodontidae ; Poecilidae ; Aquatic ; Recognation
    Repository Name: AquaDocs
    Type: monograph
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