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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 57 (1992), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The acetic acid uptake by turnips was studied during an acidification process in containers. The process was successfully described by a Fickian diffusion, using a correlation for the buffer effect. Diffusion coefficients (0.629 to 3.99 × 10-9 m2/sec) and partition coefficients (0.8 to 1.1) were obtained by optimization of the fit between experimental and theoretical values, using the simplex method. The partition coefficient did not show an evident dependence on temperature, while diffusivity followed an Arrhenius type behavior. The relationship between acid concentration and pH was described using a cubic model with parameters independent of temperature. Results showed that the combination of these models describing the acid diffusion into the food and the buffering effects of the food allowed accurate prediction of pH evolution in the acidification process.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 164 (1998), S. 0 
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Cellular fatty acid composition of eighteen species of Penicillium was studied to investigate its taxonomic usefulness. Many fungi included in this study displayed the same fatty acid composition but differed in relative concentration. Several test species presented the same fatty acid composition but differed in relative concentration. The principal fatty acids were palmitic (16:0), oleic (18:1) and linoleic (18:2). The amount of unsatured fatty acids varied between 68.5% and 78.5%. Multivariate analyses of data showed that it is possible to differentiate some species that belonged to different Penicillium groups. The level of agreement of long chain fatty acids with morphological taxonomy was acceptable.
    Type of Medium: Electronic Resource
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  • 3
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    Unknown
    PANGAEA
    In:  Supplement to: Giesta da Silva, Teresa Sofia; Gislason, Astthor; Astthorsson, Olafur S; Marteinsdóttir, Gudrún (2017): Distribution, maturity and population structure of Meganyctiphanes norvegica and Thysanoessa inermis around Iceland in spring. PLoS ONE, 12(11), e0187360, https://doi.org/10.1371/journal.pone.0187360
    Publication Date: 2023-03-07
    Description: This study aims to explain the distribution, maturity and population structure of Meganyctiphanes norvegica and Thysanoessa inermis in springtime in relation to main hydrographic regions around Iceland: Atlantic in the southwest, Atlantic-Arctic mixture in the north and Arctic in the east. Krill were collected 14-29 May 2013 using a macrozooplankton trawl. Biomass of both species combined was significantly higher in southwest than in north and east. M. norvegica clearly dominated in Atlantic waters, whereas T. inermis was more evenly distributed around the island, while the highest values were also observed in the southwest for this species. Simple linear regressions showed that the abundance of M. norvegica was positively related to temperature, salinity and phytoplankton concentration, while the abundance of T. inermis was negatively related to bathymetry. Multiple linear regression analyses did not add to this information of a positive relationship between abundance and temperature for M. norvegica, while T. inermis was shown to be negatively related to both temperature and bathymetry. During the latter half of May, the main spawning of both species was confined to the regions off the southwest coast. Sex ratio (males/females) of M. norvegica was higher in southwest than in the north and east, whereas T. inermis showed a similar sex ratio all around the island. In all regions, M. norvegica appears to have a life span of 2-years while T. inermis of 1-year in the southwest and possibly 2-years in north and east.
    Keywords: Basin Scale Analysis, Synthesis and Integration; EURO-BASIN
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 4
    Publication Date: 2023-03-07
    Keywords: 224; 228; 230; 234; 238; 241; 243; 246; 252; 257; 258; 260; 265; 270; 273; 274; 282; 285; 289; 295; 300; 302; 307; 314; 315; 321; 324; 325; 330; 332; 334; 337; Abundance per volume; Basin Scale Analysis, Synthesis and Integration; Biomass, wet mass per volume; Bjarni Saemundsson; BS03-2013; BS03-2013_224-3; BS03-2013_228-3; BS03-2013_230-1; BS03-2013_234-3; BS03-2013_238-3; BS03-2013_241-1; BS03-2013_243-3; BS03-2013_246-3; BS03-2013_252-1; BS03-2013_257-1; BS03-2013_258-1; BS03-2013_260-3; BS03-2013_265-4; BS03-2013_270-3; BS03-2013_273-1; BS03-2013_274-3; BS03-2013_282-3; BS03-2013_285-3; BS03-2013_289-3; BS03-2013_295-3; BS03-2013_300-3; BS03-2013_302-1; BS03-2013_307-3; BS03-2013_314-1; BS03-2013_315-3; BS03-2013_321-3; BS03-2013_324-2; BS03-2013_325-3; BS03-2013_330-4; BS03-2013_332-3; BS03-2013_334-3; BS03-2013_337-3; Date/Time of event; EURO-BASIN; Event label; Iceland Sea; KN; Krill net; Latitude of event; Longitude of event; Species; Uniform resource locator/link to reference
    Type: Dataset
    Format: text/tab-separated-values, 364 data points
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  • 5
    Publication Date: 2023-03-07
    Keywords: 224; 228; 234; 238; 243; 246; 260; 265; 270; 274; 282; 285; 289; 295; 300; 307; 315; 321; 324; 325; 330; 332; 334; 337; Basin Scale Analysis, Synthesis and Integration; Bjarni Saemundsson; BS03-2013; BS03-2013_224-3; BS03-2013_228-3; BS03-2013_234-3; BS03-2013_238-3; BS03-2013_243-3; BS03-2013_246-3; BS03-2013_260-3; BS03-2013_265-4; BS03-2013_270-3; BS03-2013_274-3; BS03-2013_282-3; BS03-2013_285-3; BS03-2013_289-3; BS03-2013_295-3; BS03-2013_300-3; BS03-2013_307-3; BS03-2013_315-3; BS03-2013_321-3; BS03-2013_324-2; BS03-2013_325-3; BS03-2013_330-4; BS03-2013_332-3; BS03-2013_334-3; BS03-2013_337-3; Chlorophyll a; Date/Time of event; DEPTH, water; EURO-BASIN; Event label; Iceland Sea; KN; Krill net; Latitude of event; Longitude of event; Salinity; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 72 data points
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  • 6
    Publication Date: 2023-03-07
    Keywords: 224; 228; 230; 234; 238; 241; 243; 246; 252; 257; 258; 260; 265; 270; 273; 274; 282; 285; 289; 295; 300; 307; 314; 315; 321; 324; 325; 330; 332; 334; 337; Area; Basin Scale Analysis, Synthesis and Integration; Bjarni Saemundsson; BS03-2013; BS03-2013_224-3; BS03-2013_228-3; BS03-2013_230-1; BS03-2013_234-3; BS03-2013_238-3; BS03-2013_241-1; BS03-2013_243-3; BS03-2013_246-3; BS03-2013_252-1; BS03-2013_257-1; BS03-2013_258-1; BS03-2013_260-3; BS03-2013_265-4; BS03-2013_270-3; BS03-2013_273-1; BS03-2013_274-3; BS03-2013_282-3; BS03-2013_285-3; BS03-2013_289-3; BS03-2013_295-3; BS03-2013_300-3; BS03-2013_307-3; BS03-2013_314-1; BS03-2013_315-3; BS03-2013_321-3; BS03-2013_324-2; BS03-2013_325-3; BS03-2013_330-4; BS03-2013_332-3; BS03-2013_334-3; BS03-2013_337-3; Color description; Comment; Date/Time of event; Depth, bathymetric; Depth, bottom/max; Depth, top/min; DEPTH, water; EURO-BASIN; Event label; Gender; Iceland Sea; KN; Krill net; Latitude of event; Length, total; Longitude of event; Maturation stage; Mesh size; Method/Device of event; Occurrence; Preservation; Sample ID; Stage; Taxon/taxa; Type; Uniform resource locator/link to reference; Volume
    Type: Dataset
    Format: text/tab-separated-values, 123869 data points
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  • 7
    Publication Date: 2024-02-02
    Description: A systematic investigation of the extant coccolithophore community around Azores Archipelago was performed during the cruise M150 of FS Meteor between August, 27, and October, 2, 2018, in the scope of the project BIODIAZ - Controls in benthic and pelagic BIODIversity of the AZores. For the description of the spacial and vertical distribution of the extant coccolithophore community sampling was done at 50 stations along 9 transects including 3 islands, a seamount and islets from 5 to 8 water depths between surface and 150 m. A total of 306 samples were obtained, filtered onboard onto polycarbonate membranes and sections of these filters mounted in the laboratory on microscope slides for analysis by cross-polarized light microscopy. At least 400 coccospheres were counted through a randomly selected sequence of fields of view and the absolute abundances (Coccospheres/L) were estimated.
    Keywords: Acanthoica spp.; Algirosphaera robusta; Biodiversity; calcareous nannophytoplankton; Calcidiscus spp.; Calciosolenia spp.; Coronosphaera spp.; Cross-polarized light microscopy; CTD/Rosette; CTD-RO; DATE/TIME; DEPTH, water; Discosphaera tubifera; ecology; Emiliania huxleyi; Event label; Florisphaera profunda; Gephyrocapsa ericsonii; Gephyrocapsa muellerae; Gephyrocapsa oceanica; Gladiolithus flabellatus; Helicosphaera spp.; Heterococcolithophores; Holococcolithophore spp.; islands; LATITUDE; LONGITUDE; M150; M150_1-1; M150_113-1; M150_139-1; M150_14-1; M150_143-1; M150_155-1; M150_165-1; M150_169-1; M150_171-1; M150_179-1; M150_203-1; M150_2-1; M150_211-1; M150_230-1; M150_238-1; M150_272-1; M150_274-1; M150_291-1; M150_313-1; M150_315-1; M150_333-1; M150_347-1; M150_352-1; M150_393-1; M150_423-1; M150_426-1; M150_433-1; M150_465-1; M150_467-1; M150_486-1; M150_505-1; M150_508-1; M150_51-1; M150_511-1; M150_531-1; M150_537-1; M150_539-1; M150_549-1; M150_560-1; M150_563-1; M150_584-1; M150_587-1; M150_597-1; M150_605-1; M150_639-1; M150_647-1; M150_71-1; M150_87-1; M150_91-1; M150_94-1; Meteor (1986); Michaelsarsia spp.; Oolithotus spp.; Ophiaster spp.; Reticulofenestra sessilis; Rhabdosphaera spp.; Seamounts; Syracosphaera lamina; Syracosphaera spp.; Umbellosphaera spp.; Umbilicosphaera spp.
    Type: Dataset
    Format: text/tab-separated-values, 7344 data points
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  • 8
    Publication Date: 2024-03-21
    Keywords: Hymenoptera ; occurrence records ; species distributions ; peninsular Portugal ; peninsular ; Spain ; DNA barcode ; cytochrome c oxidase subunit I (COI) ; pollinator
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 9
    Publication Date: 2024-05-20
    Description: Bees are important actors in terrestrial ecosystems and are recognised for their prominent role as pollinators. In the Iberian Peninsula, approximately 1,100 bee species are known, with nearly 100 of these species being endemic to the Peninsula. A reference collection of DNA barcodes, based on morphologically identified bee specimens, representing 514 Iberian species, was constructed. The "InBIO Barcoding Initiative Database: DNA Barcodes of Iberian bees" dataset contains records of 1,059 sequenced specimens. The species of this dataset correspond to about 47% of Iberian bee species diversity and 21% of endemic species diversity. For peninsular Portugal only, the corresponding coverage is 71% and 50%. Specimens were collected between 2014 and 2022 and are deposited in the research collection of Thomas Wood (Naturalis Biodiversity Center, The Netherlands), in the FLOWer Lab collection at the University of Coimbra (Portugal), in the Andreia Penado collection at the Natural History and Science Museum of the University of Porto (MHNC-UP) (Portugal) and in the InBIO Barcoding Initiative (IBI) reference collection (Vairão, Portugal).
    Keywords: Hymenoptera ; occurrence records ; species distributions ; peninsular Portugal ; peninsular ; Spain ; DNA barcode ; cytochrome c oxidase subunit I (COI) ; pollinator
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 10
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