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Isolation and Characterization of Mercury Resistant Trichoderma Strains from Soil with High Levels of Mercury and Its Effects on Arabidopsis thaliana Mercury Uptake

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Advances in Microbiology 2018年第7期8卷 600-613页

作者： JoséLuis Hernández-flores JoséGerardo Bernal Melo Andrés Cruz Hernández Miguel A.Ramos López Carlos Saldana Gutiérrez sergio Romero Gomez Victor Pérez Moreno Rosa P.Calvillo Medina JoséHumberto Valenzuela Soto sergio Pacheco Hernández George H.Jones sergio casas flores Juan Campos-Guillen Laboratorio de Bioseguridad y Análisis de Riesgo Departamento de Ingeniería Genética de PlantasCentro de Investigación y de Estudios Avanzados del IPNIrapuatoGto.México Facultad de Química Universidad Autónoma de QuerétaroCerro de las Campanas s/nQuerétaroQro.México Escuela de Agronomía Universidad De La Salle Bajíocampus Campestre.LeónGto.México Facultad de Ciencias Naturales Universidad Autónoma de QuerétaroAv.De las Ciencias S/NQuerétaroQro.México Centro de Investigación en Química Aplicada Blvd.Enrique Reyna Hermosillo No.140SaltilloCoahuilaMéxico Department of Biology Emory UniversityAtlantaGeorgiaUSA IPICYT División de Biología Molecular.Camino a la presa San JoséNo.2055Colonia Lomas 4a sección.C.P.San Luis PotosíMexico

Traditional mining activities are usually correlated with high levels of soil pollution, which is a major environmental concern. Extensive mining activities have taken place in the San Joaquin region in the State of Querétaro, México resulting in high levels of mercury soil pollution (up to 1532 ± 300 mg/kg). We isolated mercury-resistant fungal strains from the San Joaquin region soils and identified them through morphologic characteristics and ITS rDNA region sequence analysis. We determined that fungi isolated belong to the genus Trichoderma. All the isolates selected showed the ability to catalyze the volatilization of Hg. For air sampling, an active sampling device was constructed and using acid KMnO4 as an absorbent, the concentration of mercury in solution was determined through the cold vapor atomic absorption method. The results show mercury volatilization from the fungal species assay, with a maximum of 213.04 ± 32.6 μg/m3 while mycelium accumulation ranged from less than 17.5 ± 2.9 to 20.0 ± 3.4 μg/g. The fungal isolates were also evaluated for their ability to reduce mercury uptake in Arabidopsis thaliana. These observations suggest the utility of Trichoderma for the mobilization of mercury in those contaminated soils.

关键词： Volatilization Mercury Trichoderma Soil Bioremediation

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Effect of Ultraviolet Radiation on Hsp70 Protein Expression in HaCaT Cells

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World Journal of Nuclear Science and Technology 2024年第1期14卷 59-71页

作者： sergio Hugo Sánchez Rodríguez Jesús Rodríguez Vergil Manuel Venancio Muñoz Juárez Kevin Said Ramírez Dávila Luis Martín García Ortiz Germán flores Cortés Luz Elena Vidales Rodríguez Jesús Adrián López David Alejandro García López Laboratorio de Biología Celular y Neurobiología Unidad Académica de Ciencias Biológicas Universidad Autónoma de Zacatecas Zacatecas México Laboatorio de Bacterias y Hongos Filamentosos Unidad Académica de Ciencias Biológicas Universidad Autónoma de Zacatecas Zacatecas México Laboratorio de MicroRNAs Unidad Académica de Ciencias Biológicas Universidad Autónoma de Zacatecas Zacatecas México

Ultraviolet radiation by its wavelength is divided into: UVA, UVB and UVC. Only UVA and UVB manage to penetrate the ozone layer, but due to anthropological activities, all of them are capable of interacting with humans to a greater or lesser extent, and can generate adverse effects such as cellular stress when interacting with intra-and extracellular biomolecules. The skin is the first organ in contact with UV radiation, and the stress it generates can be analyzed by the expression of a bioindicator of cellular damage such as Hsp70. Therefore, the objective of the project was: to determine the effect of UVA, UVB and UVC radiation on HaCaT epithelial cells, by analyzing the expression of Hsp70. Materials and methods: HaCaT cells were cultured in vitro, which were irradiated with UVA, UVB and UVC light at different doses, to subsequently determine the degree of Hsp70 expression by Immunodetection by PAGE-SDS and Western Blot. Results: Basal expression of Hsp70 was observed in no irradiated HaCaT cells. When HaCaT cells were irradiated with UVA, UVB, UVC, an increase in this Hsp70 protein was observed. With UVA, a higher degree of expression was observed at a time of 30 minutes of irradiation. With UVB the highest expression shifted to a time of 20 minutes. With UVC, overexpression was observed after 10 minutes. Conclusion: UV radiation generates cellular stress on HaCaT cells, evaluated by the stress bioindicator Hsp70. According to the wavelength of UV radiation, those that have a shorter wavelength have a greater potential for cellular damage, such as UVC.

关键词： Ultraviolet A Light (UVA) Ultraviolet B Light (UVB) Ultraviolet C Light (UVC) Heat Shock Protein 70 (Hsp70) HaCaT

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Lignin in storage and renewable energy applications： A review

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Journal of Energy Chemistry 2018年第5期27卷 1422-1438页

作者： Jose Luis Espinoza-Acosta Patricia I. Torres-Chavez Jorge L. Olmedo-Martinez Alejandro Vega-Rios sergio flores-Gallardo E. Armando Zaragoza-Contreras Department of Engineering and Materials Chemistry Centro de Investigacion en Materiales Avanzados Miguel de Cervantes # 120. Complejo Industrial Chihuahua Chihuahua Mexico Departamento de Investigacion y Posgrado en Alimentos (DIPA) Universidad de Sonora Hermosillo Sonora Mexico

Lignin is a cheap, abundant and non-toxic group of complex phenolic polymers obtained in large amounts from the papermaking and cellulosic biofuel industries. Although the application of lignin has been ex- plored in these and several more industries, there are limited applications of lignin in the energy industry. However, numerous research revealed a great interest in the exploration of this renewable biopolymer in storage energy devices. Some of these applications include the use of lignin as an expander for lead-acid batteries, electrodes for primary and rechargeable batteries, electrodes for electronic double layer capac- itors and electrochemical pseudocapacitors, and to feed different types of fuel cells. The use of lignin in energy storage devices improves not only the performance of these devices but also decreases the price and toxicity, contributing to obtaining greener energy devices. Based on the above, this review provides an overview of the main research work related to the use of lignin as a renewable component, suitable to replace some synthetic and toxic compounds used in the fabrication of energy storage devices with particular emphasis on batteries, advanced supercapacitors, and solar and fuel cells.

关键词： Lignin Batteries Lithium-ion batteries Supercapacitors Solar cells Fuel cells

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Exploring the adjustment to parasite pressure hypothesis: differences in uropygial gland volume and haemosporidian infection in palearctic and neotropical birds

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Current Zoology 2021年第2期67卷 147-156页

作者： sergio MAGALLANES Anders Pape MøLLER Charlene LUJÁN-VEGA Esteban FONG Daniel VECCO Wendy flores-SAAVEDRA Luz GARCÍA-LONGORIAA Florentino DE LOPE JoséA.IANNACONE Alfonso MARZAL Department of Anatomy Cellular Biology and ZoologyUniversity of ExtremaduraAvda.de Elvas S/NBadajoz ES-06006Spain Ecologie Systématique Evolution UniversitéParis-SudOrsay 91400France Key Laboratory for Biodiversity Science and Ecological Engineering of Ministry of Education College of Life SciencesBeiing Normal UniversityBeiing 100875China Pharmacology and Toxicology Graduate Group University of CaliforniaDavisDavisCA 95616USA EverGreen Institute-San Rafael Distrito de IndianaLoreto 16200Perú Centro Urku de Estudios Amazónicos Tarapoto 22202Perú Universidad Nacional Agraria La Molina Lima 15024Perú Molecular Ecology and Evolution Lab Department of BiologyLund UniversityLund 22100Sweden Laboratorio de Ingenieria Ambiental Universidad Cientifica del Sur-Villa el SalvadorLima 15067Perú Laboratorio de Invertebrados Universidad Ricardo PalmaSantiago de Surco 15039Perú

Parasites are globally widespread pathogenic organisms,which impose im portant selective forces upon their ***,in accordance with the A djustm ent to parasite pressure hypothesis,it is expected that defenses among hosts vary relative to the selective pressure imposed by *** to the latitudinal gradient in diversity,species richness and abundance of parasites peak near the *** uropygial gland is an im portant defensive exocrine gland against pathogens in *** of the uropygial gland has been proposed to vary among species of birds because of divergent selection by pathogens on their ***,we should expect that bird species from the tropics should have relatively larger uropygial glands for their body size than species from higher ***,this hypothesis has not yet been ***,we analyze the size of the uropygial gland of 1719 individual birds belonging to 36 bird species from 3 Neotropical(Peru)and 3 temperate areas(Spain).Relative uropygial gland volum e was 12.52%larger in bird species from the tropics than from temperate *** finding is consistent w ith the relative size of this defensive organ being driven by selective pressures imposed by *** also explored the potential role of this gland as a means of avoiding haemosporidian infection,showing that species with large uropygial glands for their body size tend to have lower mean prevalence of haemosporidian infection,regardless o f their geographical *** result provides additional support for the assum ption that secretions from the uropygial gland reduce the likelihood of becoming infected with haemosporidians.

关键词： adjustment to parasite pressure hypothesis malaria Neotropical region preen oil temperate region

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Comparison between type-2 and type-1 myocardial infarction：clinical features, treatment strategies and outcomes

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Journal of Geriatric Cardiology 2016年第1期13卷 15-22页

作者： Angel Lopez-Cuenca Miriam Gomez-Molina Pedro J flores-Blanco Marianela Sanchez-Martinez Andrea Garcia-Narbon Ignacio De Las Heras-Gomez Maria J Sainchez-Galian Esther Guerrero-Perez Mariano Valdes sergio Manzano-Femandez Department of Internal Medicine Hospital de la Vega Lorenzo Guirao Cieza Spain Division of Cardiology University Hospital Virgen de la Arrixaca School of Medicine IMIB Murcia Spain Department of Biochemistry University Hospital Virgen de la Arrixaca School of Medicine IMIB Murcia Spain Department of lnternal Medicine University of Murcia Murcia Spain

ObjectiveTo 与尖锐心肌的梗塞(AMI ).MethodsWe 包括了的 type-2 对 type-1 在病人在发生，临床的特征，当前的治疗策略和结果估计差别有 type-1 或 type-2 AMI 的诊断的 824 个连续病人。在索引住院期间，临床的特征和治疗策略详细被... 详细信息

ObjectiveTo 与尖锐心肌的梗塞(AMI ).MethodsWe 包括了的 type-2 对 type-1 在病人在发生，临床的特征，当前的治疗策略和结果估计差别有 type-1 或 type-2 AMI 的诊断的 824 个连续病人。在索引住院期间，临床的特征和治疗策略详细被收集。在 1 年的后续，死亡，击，流血的非致命的心肌的梗塞和专业是 ***-1 AMI 在 707 是在场的(86%) 盒子当(14%) 117 作为 type-2 被分类时。有 type-2 AMI 的病人更经常是象糖尿病那样的女、有的更高的合作病态，以前的非圣片断举起急性冠的症候群，损害肾的功能，贫血症， atrial 纤维性颤动和恶意。然而，保存了左室的喷射部分，正常冠的动脉是经常看见的更多，侵略治疗是不太普通的，并且反血小板药， statins 和 beta-blockers 是在有 type-2 AMI 的病人规定的更少。在 1 年的后续， type-2 AMI 与更高粗略的死亡风险被联系(HR：1.75， 95% CI：1.14-2.68；P = 0.001 ) ，但是这个协会没在 multivariable 调整以后仍然保持重要(P = 0.785 ) 。而且，我们没发现 type-2 AMI 与另外的临床的 *** 被联系这张真实人口与 type-1 相比， type-2 AMI 是主要女人们并且有更多的合作病态。侵略治疗策略和 cardioprotective 药是在 type-2 使用的更少，当 1 年的临床的结果是类似的时。

关键词：冠的容器后续学习心肌的梗塞

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Diversity and host assemblage of avian haemosporidians in different terrestrial ecoregions of Peru

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Current Zoology 2022年第1期68卷 27-40页

作者： Luz GARCIA-LONGORIA Jaime MURIEL sergio MAGALLANES Zaira Hellen VILLA-GALARCE Leonila RICOPA Wilson Giancarlo INGA-DIAZ Esteban FONG Daniel VECCO Cesar GUERRA-SALDANA Teresa SALAS-RENGIFO Wendy flores-SAAVEDRA Kathya ESPINOZA Carlos MENDOZA Blanca SALDANA Manuel GONZALEZ-BLAZQUEZ Henry GONZALES-PINEDO Charlene LUJAN-VEGA Carlos Alberto Del AGUILA Yessica VILCA-HERRERA Carlos Alberto PINEDA Carmen REATEGUI Jorge Manuel CARDENAS-CALLIRGOS JoseAlberto IANNACONE Jorge Luis MENDOZA Ravinder NMSEHGAL Alfonso MARZAL Departamento de Anatomia Biologia Celular y ZoologiaUniversidad de ExtremaduraBadajoz E-506071Spain Molecular Ecology and Evolution Lab Department of BiologyLund UniversitySolvegatan 37SE-22362 LundSweden Instituto Pirenaico de Ecologıa-IPE(CSIC) Avda.Nuestra Senora de la Victoria 16Jaca 22700Spain DIRESA Direccion Regional de SaludLoreto 16001Peru Departamento Academico de Microbiologia y Parasitologia.Facultad de Ciencias Biologicas Universidad Nacional de la Amazonia PeruanaIquitos 16001Peru Facultad de Ciencias Agropecuarias Universidad Alas PeruanasLima 15823Peru EverGreen Institute-San Rafael Distrito de IndianaLoreto 16200Peru Observatorio de Aves Loreto(LBO) Distrito de San JuanLoreto 16008Peru Centro Urku de Estudios Amazonicos Tarapoto 22200Peru Servicio Nacional de Areas Naturales Protegidas por el Estado 15036Peru Sanidad Animal-Facultad de Zootecnia Universidad Nacional Agraria La MolinaLima 15012Peru Laboratorio de Microbiologia Facultad de Medicina Veterinaria y ZootecniaUniversidad CientUfica del SurLima 15067Peru Laboratorio de Analisis Clinico Moraleslab SAC MoralesSan Martin 22201Peru Asociacion Ecosistemas Andinos(ECOAN) Cuzco 08002Peru Pharmacology and Toxicology Graduate Group University of CaliforniaDavisDA 95616USA Global Health Initiative Wabash CollegeCrawfordsvilleIN 47933USA Facultad de Ciencias Biologicas Universidad Nacional Mayor de San MarcosLima 15081Peru Facultad de Medicina Veterinaria Universidad Nacional Hermilio ValdizanHuanuco10160Peru Asociacion Peruana de Helmintologia e Invertebrados Afines Lima 15054Peru Laboratorio de Ecologia y Biodiversidad Animal Universidad Nacional Federico VillarrealEl AgustinoLima 15007Peru Laboratorio de Invertebrados Universidad Ricardo Palma-Santiago de SurcoLima 15537Peru Department of Biology San Francisco State UniversitySan FranciscoCA 94132USA

Characterizing the diversity and structure of host–parasite communities is crucial to understandingtheir eco-evolutionary *** and related haemosporidian parasites are responsible forfitness loss and mortality in bird species ***,despite exhibiting the greatest ornithologicalbiodiversity,avian haemosporidians from Neotropical regions are quite ***,we analyze the genetic diversity of bird haemosporidian parasites(Plasmodium andHaemoproteus)in 1,336 individuals belonging to 206 bird species to explore for differences in diversityof parasite lineages and bird species across 5 well-differentiated Peruvian *** 70 different haemosporidian lineages infecting 74 bird *** showed that 25 out ofthe 70 haplotypes had not been previously ***,we also identified 81 new host–parasite interactions representing new host records for these haemosporidian *** outcomesrevealed that the effective diversity(as well as the richness,abundance,and Shannon–Weaver index)for both birds and parasite lineages was higher in Amazon basin ***,we also showed that ecoregions with greater diversity of bird species also had highparasite richness,hence suggesting that host community is crucial in explaining parasite *** parasites were found in ecoregions with lower bird diversity,implying that the abundanceand richness of hosts may shape the exploitation strategy followed by haemosporidian *** outcomes reveal that Neotropical region is a major reservoir of unidentified *** studies analyzing host distribution and specificity of these parasites inthe tropics will provide important knowledge about phylogenetic relationships,phylogeography,and patterns of evolution and distribution of haemosporidian parasites.

关键词： Amazonia avian malaria generalist parasite habitat specificity Haemoproteus Plasmodium specialist parasite

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Review of 500 single incision laparoscopic colorectalsurgery cases-Lessons learned

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World Journal of Gastroenterology 2016年第2期22卷 659-667页

作者： Deborah S Keller Juan R flores-Gonzalez sergio Ibarra Eric M Haas Colorectal Surgical Associates HoustonTX 77054United States Division of Colon and Rectal Surgery Houston Methodist HospitalThe University of Texas Medical School at HoustonHoustonTX 77054United States Division of Minimally Invasive Surgery Department of SurgeryThe University of Texas Medical School at HoustonHoustonTX 77054United States

Single incision laparoscopic surgery(SILS) is a minimally invasive platform with specific benefits over traditional multiport laparoscopic surgery. The safety and feasibility of SILS has been proven, and the applications continue to grow with experience. After 500 cases at a high-volume, single-institution, we were able to standardize instrumentation and operative steps, as well as develop adaptations in technique to help overcome technical and ergonomic challenges. These technical adaptations have allowed the successful application of SILS to technically difficult patient populations, such as pelvic cases, inflammatory bowel disease cases, and high body mass index patients. This review is a frame of reference for the application and wider integration of the single incision laparoscopic platform in colorectal surgery.

关键词： Laparoscopic colectomy Minimally invasivecolorectal surgery Single-incision laparoscopic surgery

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Schedule-Induced Polydipsia:Searching for the Endophenotype of Compulsive Behavior

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World Journal of Neuroscience 2014年第3期4卷 253-260页

作者： Pilar flores Ana Sanchez-Kuhn Ana Merchan Olga Vilches sergio Garcia-Martin Margarita Moreno Department of Psychology University of AlmeríaAgrifood Campus of International Excellence CeiA3La CanadaSpain

The development of excessive and persistent drinking under intermittent food-reinforcement schedules, known Schedule-induced polydipsia (SIP), has been proposed as a successful animal model to study compulsive behaviors. On the last decade, we have been working in our laboratory on the stratification of the compulsive rats on SIP in order to know whether differences in the acquisition of compulsive drinking behavior could predict alterations in other behavioral measures as well as in the neurochemical function typically associated with compulsive spectrum disorders. The aim of this review is to collate the main findings relevant to the characterization and use of the high compulsive drinking rats (HD) in SIP as a possible compulsive endophenotype. The review of the genetic, behavioral and neurochemical differences found in the selection allows us to conclude that HD rats could be a valid model for studying the compulsive phenotype and modelling psychopathology common to a variety of compulsivity spectrum disorders such as obsessivecompulsive disorder (OCD), schizophrenia and alcohol abuse.

关键词： Compulsivity Endophenotype Schedule-Induced Polydipsia Obsessive-Compulsive Disorder Schizophrenia

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Species richness and community structure of class Polyplacophora at the intertidal rocky shore on the marine priority region no.33,Mexico

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Open Journal of Ecology 2014年第2期4卷 43-52页

作者： Lizeth Galeana-Rebolledo Rafael flores-Garza Adriana Reyes-Gomez sergio Garcia-Ibanez Pedro flores-Rodriguez Carmina Torreblanca-Ramirez Arcadio Valdes-Gonzalez Unidad Academica de Ecologia Marina Universidad Autonoma de GuerreroAcapulcoMexico Universidad Autonoma de Nuevo Leon Laboratorio de AcuaculturaFacultad de Ciencias BiologicasCiudad UniversitariaSan Nicolas de los GarzaMexico

Marine Priority Region No. 33 (MPR 33) lies in the State of Guerrero, where the National Commission for Knowledge and Use of Biodiversity has declared a lack of information on marine species, Class POLYPLACOPHORA among others. This program was carried out on the rocky intertidal zone of MPR 33 with the objectives to: 1) determine species richness, 2) community composition based on families represented, 3) estimate the density, 4) index of diversity, 5) analyze body proportions and 6) geographic distribution of species. Three surveys on five sites were conducted during 2009 and 2012, using one mt2 quadrant for systematic sampling procedure;collecting all POLYPLACOPHORA specimens found within the quadrants, then proceeding with their preservation. 441 organisms were analyzed where 17 species were identified, on nine genera within six families. Fifteen new species were recorded for the MPR 33. Family ISCHNOCHITONIDAE Dall, 1889 was the best represented in species richness and CHITONIDAE Rafinesque, 1815 in abundance. Density of 8.82 organisms/m2, the H′ index was 2.38 bits/individuals and J′ = 0.57. The species Chiton (Chiton) articulatus Sowerby, 1832 showed the highest density, greater size and was found in all five collection sites. Three species, (Chiton (C.) articulatus, Ischnochiton (Ischnochiton) muscarius (Reeve, 1847) and Chiton (Chiton) alboli-neatus Broderip & Sowerby, 1829), were considered wide. Intertidal species richness was associated with habitat stability and wave intensity;the more unstable sites had greater richness while most stable sites lower. Species inventory and understanding the communities’ interactions of the marine fauna of the State of Guerrero are important;therefore these efforts must be continued.

关键词： Polyplacophora New Records Methodology RMP 33 Guerrero

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Socioeconomic Aspects for Coastal Mollusk Commercial Fishing in Costa Chica,Guerrero,Mexico

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Natural Resources 2018年第6期9卷 229-241页

作者： Lizeth Galeana-Rebolledo Rafael flores-Garza Juan Violante-Gonzalez Pedro flores-Rodriguez sergio Garcia-Ibanez Victor Landa-Jaime Arcadio Valdes-Gonzalez Centro de Ciencias de Desarrollo Regional Pino s/n.Col.El RobleAcapulcoMéxico Facultad Ecologia Marina Gran Via TropicalN°20Fraccionamiento Las PlayasAcapulcoMexico Departamento de Estudios para el Desarrollo Sustentable de Zonas Costeras San Patricio-MelaqueMexico Facultad de Ciencias Biologicas Universidad Autonoma de Nuevo LeonCiudad UniversitariaSan Nicolas de los GarzaMexico

An important part of the fishing activity in Mexico is carried out in the coastal strip and has a strong social, economic and ecological importance. In the state of Guerrero, mollusks fishing is coastal and craftwork activity focused on a small number of species and without information on biology and reproductive or ecological aspects for most species caught. This research was carried out in the Costa Chica region, Guerrero, Mexico and the aims were: 1) To analyze the socioeconomic features of cooperative societies of fishing production;and 2) To know the diversity of mollusks caught by coastal fishing and the species that have the greatest importance in fishing. From February to April 2013-2015, seven fish coop units, four piers and places where seafood is sold were visited. For the socio-economic analysis and the determination of the species that have more importance in the coastal fishing, a total of 67 surveys were applied. In order to determine the cast of species, the specimens captured by the fishermen were used, which were identified and counted. A total of 67 interviews were analyzed and an average of $1806.00 was estimated as weekly economic income just as a product of fishing, it was also estimated that on average the fishermen work 4.3 days a week. Fisheries cooperatives market most of their produce directly to restaurateurs and locals on the piers. Replacement of older adults by young fishermen from the same region was observed, most are adults between 22 and 39 years old. 25 species of mollusks of economic importance were registered for the coastal fishermen of the Costa Chica. Six species were identified as the main target for catching fishermen. The fishing of mollusks in Costa Chica is not subject to any type of control, which has led to overfishing reflected in the decline sizes and banks in populations of commercial importance.

关键词： Molluscs Coastal Fishing Socioeconomic Fisherman

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