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  • Biomass
  • Chemistry
  • Conductivity; CTD, SEA-BIRD SBE 37-SMP MicroCAT; CTM2008-04517; CTM2009-06269-E; CTM2010-11955-E/MAR; DATE/TIME; EMSODEV; EMSO implementation and operation: DEVelopment of instrument module; EMSO-Link; ES5110020; Fixed Point Open Ocean Observatories Network; FixO3; Implementation of the Strategy to Ensure the EMSO ERICs Long-term Sustainability; Instalació de sensors en observatorio submari expansible OBSEA; Instalacion de equipos en superfície para la ampliación de las prestaciones del observatorio submarino obsea; Instrumentación y tecnologías aplicadas al estudio, caracterización y explotación sostenible del medio marino; Integración de sensores para monitorización submarina en una red con sincronización temporal; Interoperabilidad e instrumentación de plataformas autónomas marinas para la monitorización sísmica; Interoperabilidad en redes de sensores marinos y ambientales; Interoperabilitat en xarxes de sensors marins i ambientals; INTIMAS; INTMARSIS; JERICO-NEXT; Joint European Research Infrastructure network for Coastal Observatory – Novel European eXpertise for coastal observaTories; MarInTech; MELOA; MeteoMet2; Metrology for essential climate variables; Multi-purpose/Multi-sensor Extra Light Oceanography Apparatua; NeXOS; Next generation, Cost-effective, Compact, Multifunctional Web Enabled Ocean Sensor Systems Empowering Marine, Maritime and Fisheries Management; Nuevas tecnologías para el seguimiento de la acidificación marina en el espacio natural Costa del Garraf; OBSEA:OBSEA:2009-05; Operatividad laboratorio submarino obsea; OPOBSEA; Pressure, water; PT2009-0080; Redes de sensores submarinos acústicos aplicados al seguimiento de especies de interes comercial; Redes de sensores submarinos autónomos y cableados aplicados a la monitorización remota de indicadores biológicos; RESBAC; RESBIO; Salinity; SARTI-MAR; SINEOS; Sismòmetre marí digital amb connexió per cable; Sistemas inalambricos para la extension de observatorios submarinos; Sistemes dAdquisició Remota de dades i Tractament de la Informació en el Medi Marí; Sound velocity in water; Temperature, water; VALTEC09-1-0059
  • Life and Medical Sciences
  • Polymer and Materials Science
  • 2010-2014  (4)
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Year
  • 1
    Publication Date: 2010-09-11
    Description: Fungal degradation of plant biomass may provide insights for improving cellulosic biofuel production. We show that the model cellulolytic fungus Neurospora crassa relies on a high-affinity cellodextrin transport system for rapid growth on cellulose. Reconstitution of the N. crassa cellodextrin transport system in Saccharomyces cerevisiae promotes efficient growth of this yeast on cellodextrins. In simultaneous saccharification and fermentation experiments, the engineered yeast strains more rapidly convert cellulose to ethanol when compared with yeast lacking this system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Galazka, Jonathan M -- Tian, Chaoguang -- Beeson, William T -- Martinez, Bruno -- Glass, N Louise -- Cate, Jamie H D -- New York, N.Y. -- Science. 2010 Oct 1;330(6000):84-6. doi: 10.1126/science.1192838. Epub 2010 Sep 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20829451" target="_blank"〉PubMed〈/a〉
    Keywords: *Biofuels ; Biological Transport ; Biomass ; Cellobiose/metabolism ; Cellulase/metabolism ; Cellulose/*analogs & derivatives/*metabolism ; Dextrins/*metabolism ; Ethanol/metabolism ; Fermentation ; Fungal Proteins/genetics/*metabolism ; Genetic Engineering ; Kinetics ; Membrane Transport Proteins/genetics/*metabolism ; Neurospora crassa/genetics/growth & development/*metabolism ; Saccharomyces cerevisiae/genetics/growth & development/*metabolism ; Saccharomyces cerevisiae Proteins/metabolism ; beta-Glucosidase/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2014-03-22
    Description: John H. Martin, who discovered widespread iron limitation of ocean productivity, proposed that dust-borne iron fertilization of Southern Ocean phytoplankton caused the ice age reduction in atmospheric carbon dioxide (CO2). In a sediment core from the Subantarctic Atlantic, we measured foraminifera-bound nitrogen isotopes to reconstruct ice age nitrate consumption, burial fluxes of iron, and proxies for productivity. Peak glacial times and millennial cold events are characterized by increases in dust flux, productivity, and the degree of nitrate consumption; this combination is uniquely consistent with Subantarctic iron fertilization. The associated strengthening of the Southern Ocean's biological pump can explain the lowering of CO2 at the transition from mid-climate states to full ice age conditions as well as the millennial-scale CO2 oscillations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Martinez-Garcia, Alfredo -- Sigman, Daniel M -- Ren, Haojia -- Anderson, Robert F -- Straub, Marietta -- Hodell, David A -- Jaccard, Samuel L -- Eglinton, Timothy I -- Haug, Gerald H -- New York, N.Y. -- Science. 2014 Mar 21;343(6177):1347-50. doi: 10.1126/science.1246848.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Geological Institute, ETH Zurich, 8092 Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24653031" target="_blank"〉PubMed〈/a〉
    Keywords: Antarctic Regions ; Atlantic Ocean ; Atmosphere ; Biomass ; *Carbon Dioxide/analysis ; *Climate ; Cold Temperature ; Foraminifera/chemistry/metabolism ; *Geologic Sediments/chemistry ; *Ice Cover ; *Iron/analysis ; Nitrates/analysis/metabolism ; Nitrogen Isotopes/analysis ; Phytoplankton/growth & development/metabolism ; Seawater/chemistry ; Time
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2021-05-19
    Description: Se determinó la biomasa del camarón rosado Farfantepenaeus notialis presente en el golfo de Ana María durante el periodo 1997-2010 mediante análisis estadístico de captura por edades (SCA). Esta se incrementó a partir del año 2008 como respuesta al aumento del reclutamiento, cuyo promedio anual presenta sus mayores valores en julio, noviembre y marzo. La entrada de reclutas (pre-adultos) al área de pesca ocurre por dos zonas principales, frente a los cayos de Ana María, y en Sta. Cruz Abajo, al norte de la porción sur de los cayos de las Doce Leguas. Una pesquería a finales del año puede provocar una sobrepesca del crecimiento y afectar la biomasa disponible para el siguiente año.
    Description: The biomass of the pink shrimp Farfantepenaeus notialis present in Ana María gulf during the period 1997-2010, was determined by means of statistical analysis of capture for ages (SCA). The biomass was increased from the year 2008 due to the increase of the recruitment, which shows its biggest average annual values in July, November and March. The recruitspre-adults arrival to the fishing area occurs by two main zones, in front of Ana María keys, and in Sta. Cruz Abajo, at North of the South portion of the Doce Leguas keys. A fishery at the end of the year may provoke an over fishing of the growth and to affect the available biomass for the following year.
    Description: Published
    Description: pre-adults, pink shrimp, Cuba
    Keywords: Biomass ; Recruitment ; Shrimp fisheries
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed , Article
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  • 4
    Publication Date: 2021-05-19
    Description: Para obtener una primera aproximación al conocimiento de las comunidades de macroalgas de los arrecifes de coral del archipiélago Sabana–Camagüey, se realizaron muestreos en 10 perfiles a lo largo del gradiente de profundidad, ubicados en los arrecifes de borde de plataforma de los cayos Sabinal, Guajaba, Confites, Coco, Paredón del Medio, Oeste de cayo Guillermo, Caimán Grande, Francés, Fragoso y Esquivel. En cada perfil se tomaron muestras de algas en cuatro estaciones situadas en la zona trasera del arrecife a 1 m de profundidad, y en el arrecife frontal a 5, 10 y 20 m de profundidad. Estas fueron tomadas con un colector hidroneumático circular de 0.07 m2 de área. Se encontraron 130 especies de algas. La mayor riqueza de especies se presentó en las estaciones de 5 m de profundidad del arrecife frontal. El predominio de las especies en la zona trasera y 20 m de profundidad del arrecife frontal fue heterogéneo, mientras que en 5 m de profundidad predominó la especie Cladophora catenata, y en 10 m Cladophora catenata y Microdictyon marinum. Las especies de mayor frecuencia de aparición en las cuatro profundidades fueron: Cladophora catenata, Anadyomene stellata, Microdictyon marinum, Halimeda tuna y Valonia ventricosa. La biomasa total varió con las localidades y la profundidad, pero fue mayor a los 5 m del arrecife frontal. Los altos valores de biomasa en toda la zona arrecifal parecen estar ocasionados por los altos niveles de nutrientes en el agua y la escasez de herbívoros.
    Description: With the purpose of obtaining a first approximation to the knowledge of coral reef macroalgae communities in Sabana-Camagüey Archipelago, 10 profiles along the depth gradients, located on the shelf border reefs were sampled in the keys Sabinal, Guajaba, Confites, Coco, Paredón del Medio, West of Guillermo, Gran Caimán, Francés, Fragoso and Esquivel. In each profile, algae samples were taken at four stations located in the rear zone at 1 m deep, and in the fore reef at 5, 10 and 20 m deep. A circular hydro-pneumatic collector with a 0.07 m2 area was used. A total of 130 algae species were found. The highest species richness was observed at 5 m deep on the fore reef. The predominant species in the rear zone and at 20 m deep on the fore reef varied among profiles; at 5 m depth the dominant species was Cladophora catenata, while at 10 m were Cladophora catenata and Microdictyon marinum. The most frequently occurring species in the four depths were: Cladophora catenata, Anadyomene stellata, Microdictyon marinum, Halimeda tuna and Valonia ventricosa. Total biomass varied with locations and depths, but was higher at 5 m deep on the fore reef. High biomass values in the whole reef zone seem to be caused by high levels of nutrients and herbivore scarcity.
    Description: Published
    Description: macroalgas, biomasa, estructura, zonación del arrecife
    Description: macroalgae, biomass, structure, coral reef zonation
    Keywords: Algae ; Biomass ; Coral reefs ; Algae ; Biomass ; Coral reefs
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed , Article
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