Marine and Fishery Sciences (MAFIS)最新文献

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Ecología trófica del congrio de profundidad Bassanago albescens en el Atlántico Sudoccidental y sus implicancias para el manejo ecosistémico de las pesquerías 西南大西洋深海海螺Bassanago albescens的营养生态学及其对渔业生态系统管理的影响
Marine and Fishery Sciences (MAFIS) Pub Date : 2021-07-01 DOI: 10.47193/MAFIS.3422021010605
Gabriela Blasina, Luciano Izzo, Agustín María de Wysiecki, D. E. Figueroa
{"title":"Ecología trófica del congrio de profundidad Bassanago albescens en el Atlántico Sudoccidental y sus implicancias para el manejo ecosistémico de las pesquerías","authors":"Gabriela Blasina, Luciano Izzo, Agustín María de Wysiecki, D. E. Figueroa","doi":"10.47193/MAFIS.3422021010605","DOIUrl":"https://doi.org/10.47193/MAFIS.3422021010605","url":null,"abstract":"En el presente estudio se determina la composición de la dieta y estrategia alimentaria del congrio de profundidad Bassanago albescens en el Atlántico Sudoccidental (35° S-45° S), a partir del análisis del contenido estomacal de 222 individuos. La dieta consistió de cefalópodos, seguidos por isópodos, anfípodos, ofiuroideos, braquiuros y poliquetos. Los resultados mostraron diferencias significativas en la composición de la dieta entre sexos, zonas y clases de tallas que se vieron reflejadas en los cambios de la estrategia de forrajeo. Se registró un aumento progresivo en el consumo de Illex argentinus con el aumento del tamaño de B. albescens, donde los individuos más grandes mostraron una especialización en el consumo de esta presa. Estos cambios alimentarios estarían relacionados a limitaciones morfológicas y habilidades asociadas al tamaño corporal de B. albescens, teniendo los individuos más grandes acceso a presas de mayor tamaño. Nuestros resultados ayudan a comprender la biología de una especie que tiene una distribución simpátrica con dos especies clave en las pesquerías de la Argentina: Merluccius hubbsi e I. argentinus, con evidencias de una fuerte interacción trófica entre ellas. Esta nueva información sobre los recursos involucrados permitiría una optimización del manejo pesquero bajo un criterio ecosistémico.","PeriodicalId":112376,"journal":{"name":"Marine and Fishery Sciences (MAFIS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131202004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New record and range extension of the primnoid octocoral Verticillata castellviae in the Southwest Atlantic Ocean 西南大西洋初生八珊瑚虫Verticillata castellviae的新记录及其范围扩展
Marine and Fishery Sciences (MAFIS) Pub Date : 2021-07-01 DOI: 10.47193/MAFIS.3422021010608
L. Schejter, Cecilia Mauna, C. Pérez
{"title":"New record and range extension of the primnoid octocoral Verticillata castellviae in the Southwest Atlantic Ocean","authors":"L. Schejter, Cecilia Mauna, C. Pérez","doi":"10.47193/MAFIS.3422021010608","DOIUrl":"https://doi.org/10.47193/MAFIS.3422021010608","url":null,"abstract":"In this study we report the presence of the soft coral Verticillata castellviae at 947 m deep, off Buenos Aires Province, Argentina, which constitutes the northernmost record for this species. The specimen was collected as a bycatch species with a troncopyramidal trap during an experimental cruise devoted to the study of the red crab Chaceon notialis and the Patagonian lobsterette Thymops birsteini.","PeriodicalId":112376,"journal":{"name":"Marine and Fishery Sciences (MAFIS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134071800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Addendum to: Polychaetes as biological indicators in Latin America and the Caribbean 《在拉丁美洲和加勒比作为生物指示物的多毛类》增编
Marine and Fishery Sciences (MAFIS) Pub Date : 2021-06-30 DOI: 10.47193/mafis.3422021010606
R. Elías, N. Méndez, P. Muniz, Rossana Cabanillas, Carlos Gutiérrez-Rojas, N. Rozbaczylo, Mario H. LONDOÑO-MESA, Paulina Javiera Gárate Contreras, M. Cárdenas-Calle, Francisco Villamar, J. J. Laverde-Castillo, K. Brauko, Mariana Araki Braga, P. Lana, O. Díaz-Díaz
{"title":"Addendum to: Polychaetes as biological indicators in Latin America and the Caribbean","authors":"R. Elías, N. Méndez, P. Muniz, Rossana Cabanillas, Carlos Gutiérrez-Rojas, N. Rozbaczylo, Mario H. LONDOÑO-MESA, Paulina Javiera Gárate Contreras, M. Cárdenas-Calle, Francisco Villamar, J. J. Laverde-Castillo, K. Brauko, Mariana Araki Braga, P. Lana, O. Díaz-Díaz","doi":"10.47193/mafis.3422021010606","DOIUrl":"https://doi.org/10.47193/mafis.3422021010606","url":null,"abstract":"Reason for addendum:\u0000During the preparation of the original manuscript, a scientific work that dealt precisely with Polychaeta as environmental indicators in Patagonia was not considered. This being the first and only work regarding this subject, it was reasonable and necessary to incorporate this information.","PeriodicalId":112376,"journal":{"name":"Marine and Fishery Sciences (MAFIS)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115762118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characterization of hydrocarbon degrading bacteria at EPEA Station (38º 28’ S – 57º 41’ O) Atlantic coast 大西洋沿岸EPEA站(38º28′S - 57º41′O)烃类降解细菌的特性
Marine and Fishery Sciences (MAFIS) Pub Date : 2020-12-28 DOI: 10.47193/mafis.3412021010304
S. Peressutti
{"title":"Characterization of hydrocarbon degrading bacteria at EPEA Station (38º 28’ S – 57º 41’ O) Atlantic coast","authors":"S. Peressutti","doi":"10.47193/mafis.3412021010304","DOIUrl":"https://doi.org/10.47193/mafis.3412021010304","url":null,"abstract":"Hydrocarbon degrading bacteria (HDB) were monitored since 2006 to 2018 at the Permanent Environmental Studies Station (EPEA), in order to analyze its abundance and the potentiality to metabolize these pollutants. The presence of HDB was detected with counts values ranging between 103 and 105 UFC ml-1. A slight increase was observed over time, which could be linked to changes in marine temperature reported within the last years. Thirty-six HDB were tested for growth on various hydrocarbons and some of them showed a broad biodegradation profile. Moreover, from phenanthrene (Phe) enrichment cultures, five strains were phylogenetically identified as Halomonas sp. E1, E2 and E3; Rhodococcus sp. E4 and Pseudomonas sp. E5. Complete Phe degradation was demonstrated for E4 and E5 strains, while E1, E2, E3 and E4 strains displayed surfactant production. This study contributed with the first knowledge about the intrinsic HC biodegradation potential by bacterial communities at EPEA. Some of the strains exhibited physiological properties that might have ecological significance on environmental alterations as the presence of pollutants. Particularly, Rhodococcus sp. E4 could be an alternative for microbial selection in the degradation of PAHs. Further studies are needed to evaluate the impact of the climate change on microbial-mediated detoxification processes.","PeriodicalId":112376,"journal":{"name":"Marine and Fishery Sciences (MAFIS)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130122170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sea grasses, a new unreported habitat for the heterobranch mollusk Umbraculum umbraculum in the Caribbean region 海草:加勒比海地区异枝软体动物小囊纲的新栖息地
Marine and Fishery Sciences (MAFIS) Pub Date : 2020-06-18 DOI: 10.47193/MAFIS.3312020061809
Erika García-Bonilla, Paula Andrea Villegas González, Laura Pirateque, J. Guerrero-Kommritz, M. Puyana, A. Acosta
{"title":"Sea grasses, a new unreported habitat for the heterobranch mollusk Umbraculum umbraculum in the Caribbean region","authors":"Erika García-Bonilla, Paula Andrea Villegas González, Laura Pirateque, J. Guerrero-Kommritz, M. Puyana, A. Acosta","doi":"10.47193/MAFIS.3312020061809","DOIUrl":"https://doi.org/10.47193/MAFIS.3312020061809","url":null,"abstract":"Herein, a new habitat for the heterobranch mollusk Umbraculum is described. One specimen was found on a Thalassia testudinum bed at Taganga Bay at 3 m depth, a buffer area of the Tayrona National Park, Colombian Caribbean. To the best of our knowledge, these mollusks have not been previously reported in this kind of habitat. Seagrasses may provide protection and possibly serve as areas for its reproduction.","PeriodicalId":112376,"journal":{"name":"Marine and Fishery Sciences (MAFIS)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123797164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Mating behavior of Patagonian octopus (Octopus tehuelchus) under laboratory conditions 实验室条件下巴塔哥尼亚章鱼的交配行为
Marine and Fishery Sciences (MAFIS) Pub Date : 2020-06-18 DOI: 10.47193/mafis.3312020061807
M. Berrueta, J. A. Desiderio, Florencia Agliano, Andrea V. López, E. A. Abud, N. Ortíz
{"title":"Mating behavior of Patagonian octopus (Octopus tehuelchus) under laboratory conditions","authors":"M. Berrueta, J. A. Desiderio, Florencia Agliano, Andrea V. López, E. A. Abud, N. Ortíz","doi":"10.47193/mafis.3312020061807","DOIUrl":"https://doi.org/10.47193/mafis.3312020061807","url":null,"abstract":"Patagonian octopus (Octopus tehuelchus) is a species that holds an artisanal fishery in the northern area of the Argentine Patagonian coast and has a potential for aquaculture development. This work aimed to characterize the mating behavior of four pairs of Patagonian octopuses under laboratory conditions. Results showed that this species has a complex reproductive behavior. Remarkably, female remained inside her shelter during pre-copula, copulation and intercourse events. Male and female faced by the oral face during sexual intercourse, which lasted 3 to 5 min. The observations will contribute to the better management of the reproductive specimens of the species in captivity.","PeriodicalId":112376,"journal":{"name":"Marine and Fishery Sciences (MAFIS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130784954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Nuevo registro de Mendosoma lineatum Guichenot, 1848 en Patagonia central, Argentina, con comentarios sobre la comunidad de peces de arrecife 阿根廷巴塔哥尼亚中部Mendosoma lineatum Guichenot的新记录,1848年,对礁鱼群落的评论
Marine and Fishery Sciences (MAFIS) Pub Date : 2020-06-18 DOI: 10.47193/mafis.3312020061808
M. Marcinkevicius
{"title":"Nuevo registro de Mendosoma lineatum Guichenot, 1848 en Patagonia central, Argentina, con comentarios sobre la comunidad de peces de arrecife","authors":"M. Marcinkevicius","doi":"10.47193/mafis.3312020061808","DOIUrl":"https://doi.org/10.47193/mafis.3312020061808","url":null,"abstract":"Se ha realizado un nuevo registro de Mendosoma lineatum en aguas centrales de la Patagonia. Este registro es la segunda mención después de que un espécimen fue capturado en el norte del Golfo San Jorge en 2012. Se propuso que el espécimen llegó de la Corriente Circumpolar Antártica y esta hipótesis ahora se refuerza con este nuevo registro. El número de especies que componen la comunidad de arrecifes rocosos de la Patagonia central también se extiende aquí. En la actualidad, ocho especies han sido reconocidas como parte de este entorno, y en este documento el número se extiende a quince con siete nuevas especies identificadas.","PeriodicalId":112376,"journal":{"name":"Marine and Fishery Sciences (MAFIS)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117321869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development morphology of Undaria pinnatifida sporophytes (Phaeophyceae, Alariaceae) in Caleta Cordova (Chubut, Argentina) 阿根廷Chubut, Caleta Cordova地区裙带菜孢子体的发育形态
Marine and Fishery Sciences (MAFIS) Pub Date : 2020-06-18 DOI: 10.47193/mafis.3312020061805
M. V. Alvarez, A. Boraso
{"title":"Development morphology of Undaria pinnatifida sporophytes (Phaeophyceae, Alariaceae) in Caleta Cordova (Chubut, Argentina)","authors":"M. V. Alvarez, A. Boraso","doi":"10.47193/mafis.3312020061805","DOIUrl":"https://doi.org/10.47193/mafis.3312020061805","url":null,"abstract":"Undaria pinnatifida is an invasive brown algae that has been found on the Argentine coast since 1992. This work aims to follow the ontogeny of sporophytes, from egg fecundation to thallus senility, and thereby contribute to information on the development of the species in San Jorge Gulf. Sporophytes obtained in the laboratory were used to study the first stages of development, while samples collected from field population were used to describe advanced stages. Morphological observations were carried out on fronds, stipes, midrib, sporophylls and holdfasts of thalli at different developmental stages, and they was interpreted related to its functionality. Sporophytes described as typical and distant forms were found, and their location in the coastal zone was determined. Primary growth of sporophyte begins in the intercalar meristoderm located between the frond and the stipe. The upper portion of the intercalar meristem produces a row of small pinnules, and its lower portion is the origin of the lateral stipe ribbons. The thallus area and growth in thickness occur through a meristoderm in the frond surface. Characteristic morphological structures such as gland cells, filaments and trumpet cells, and cryptostomata were observed. Some of the gland cells lead to the formation of hair-filled cryptostomata. This work contributed to increase the knowledge of anatomical characteristics of the thallus at different moments of development of this invasive species.","PeriodicalId":112376,"journal":{"name":"Marine and Fishery Sciences (MAFIS)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133742943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Efectos de la densidad de siembra y el desdoble sobre el crecimiento y la supervivencia en un cultivo suspendido experimental del mejillón Mytilus platensis d’Orbigny, 1842, en el Golfo San Jorge, Argentina 在阿根廷圣乔治湾1842年贻贝暂停养殖实验中,播种密度和脱粒对贻贝生长和存活的影响
Marine and Fishery Sciences (MAFIS) Pub Date : 2020-06-18 DOI: 10.47193/MAFIS.3312020061801
Bernardo G. Marques, Tomás E. Isola, Gabriela Soto, H. Zaixso
{"title":"Efectos de la densidad de siembra y el desdoble sobre el crecimiento y la supervivencia en un cultivo suspendido experimental del mejillón Mytilus platensis d’Orbigny, 1842, en el Golfo San Jorge, Argentina","authors":"Bernardo G. Marques, Tomás E. Isola, Gabriela Soto, H. Zaixso","doi":"10.47193/MAFIS.3312020061801","DOIUrl":"https://doi.org/10.47193/MAFIS.3312020061801","url":null,"abstract":"En los últimos años, ha habido un renovado interés en el desarrollo del cultivo de mejillones en la Argentina. Sin embargo, esta actividad todavía tiene lugar a pequeña escala o de forma experimental en la región patagónica. Conocer los efectos de las densidades iniciales y el desdoble sobre el crecimiento y la supervivencia en un cultivo experimental es información de base necesaria para el desarrollo de experiencias que permitan estudiar parámetros productivos en cultivos a mayor escala. Por estos motivos, este trabajo tuvo como objetivo analizar el efecto de las densidades iniciales y el desdoble sobre el crecimiento y la supervivencia del mejillón Mytilus platensis en un cultivo suspendido experimental en la región costera central del Golfo San Jorge, Argentina. Para ello, se estudiaron dos técnicas de cultivo, con y sin desdoble, durante un período de 9 meses, a dos densidades iniciales (400 y 700 ind. m-1). La semilla fue obtenida de un criadero artificial. Se monitorearon talla, peso y supervivencia de los mejillones. El mayor crecimiento en talla y peso, y la supervivencia más elevada se observaron en la estrategia sin desdoble con la densidad más baja. En esta estrategia, los animales alcanzaron una talla promedio mayor a 65 mm, llegando a la talla comercial en menos de un año. Estos resultados permiten concluir que, a pequeña escala, la estrategia sin desdoble es la recomendada para cultivar mejillones en la región a una densidad de 400 ind. m-1 durante un mínimo de 9 meses.","PeriodicalId":112376,"journal":{"name":"Marine and Fishery Sciences (MAFIS)","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132832249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Marcación y recaptura del gatuzo (Mustelus schmitti) en el Ecosistema Costero Bonaerense (Argentina) 布宜诺斯艾利斯海岸生态系统中长尾小鹦鹉(Mustelus schmitti)的标记和再捕获(阿根廷)
Marine and Fishery Sciences (MAFIS) Pub Date : 2020-06-18 DOI: 10.47193/MAFIS.3312020061802
Marcelo Pérez, Matías Braccini, M. B. Cousseau
{"title":"Marcación y recaptura del gatuzo (Mustelus schmitti) en el Ecosistema Costero Bonaerense (Argentina)","authors":"Marcelo Pérez, Matías Braccini, M. B. Cousseau","doi":"10.47193/MAFIS.3312020061802","DOIUrl":"https://doi.org/10.47193/MAFIS.3312020061802","url":null,"abstract":"El presente trabajo está referido a los primeros resultados obtenidos sobre marcado y recaptura en el gatuzo, Mustelus schmitti, como medio para reconocer sus desplazamientos y migraciones en el Ecosistema Costero Bonaerense (ECB). Este tiburón es relevante no sólo por su gran abundancia a lo largo del ECB sino también por su importancia comercial para la flota pesquera de arrastre argentina. Entre noviembre de 2010 y mayo 2011 se marcaron 2.483 ejemplares cerca de Monte Hermoso, dentro del sector marino conocido como “El Rincón”, utilizando como plataforma una embarcación de la flota artesanal. Se logró recuperar 43 individuos entre 2010 y 2013. A partir del análisis de los individuos recapturados se señalaron los patrones de movimientos, migración, distribución espacial y temporal en el ECB, y además se discutieron y relacionaron dichos patrones con el ciclo de vida. Los resultados pusieron en evidencia la utilización por parte del gatuzo de áreas extensas, mayoritariamente costeras, sin alta afinidad con áreas particulares. Este es el modelo tradicional propuesto para tiburones pequeños como el gatuzo. Sin embargo, la modalidad reproductiva indicaría un ajuste al modelo señalado para grandes tiburones. Por lo tanto, el gatuzo en su comportamiento parece contener aspectos correspondientes a ambas modalidades con fidelidad por los sitios de reproducción pero sin evidencias de filopatría.","PeriodicalId":112376,"journal":{"name":"Marine and Fishery Sciences (MAFIS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134120421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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