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  • 2020-2024  (17)
  • 2015-2019
  • 1960-1964
  • 2023  (17)
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  • 2020-2024  (17)
  • 2015-2019
  • 1960-1964
Jahr
  • 1
    Publikationsdatum: 2024-04-14
    Beschreibung: Wheat blast is caused by the fungus Pyricularia oryzae Triticum pathotype (PoT). Significantly damaging wheat blast epidemics are sporadic and limited to tropical wheat growing areas in South America. Unexpectedly, wheat blast was reported in Bangladesh and Zambia in 2016 and 2020, respectively. The urgent need to deal with a poorly studied disease has mobilized the scientific community. Original research and reviews have been published in various venues. Nevertheless, disease control is still a difficult task. Much less research has, however, focused on crucially important and complex ecological interactions at the field, landscape, or regional levels. This chapter reviews aspects of the epidemiology of wheat blast, mainly those related to inoculum and its role for the epidemics. It then describes the models that have been developed by the authors as well as the decision support system. Examples of the implementation of a warning system in Bangladesh and Brazil are also illustrated.
    Schlagwort(e): Magnaporthe oryzae ; disease modelling ; disease forecast ; wheat blast ; pathogens ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVK Agronomy and crop production ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVF Sustainable agriculture ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVP Pest control / plant diseases
    Sprache: Englisch
    Format: image/jpeg
    Format: image/jpeg
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 2024-01-09
    Beschreibung: The TEX86 paleothermometer has been extensively used to reconstruct past sea water temperatures, but it remains unclear which export depths the proxy represents. Here we used a novel approach to better constrain the proxy recording depths by investigating paleotemperature proxies (TEX86, UK'37, RI-OH and RI-OH') from two pairs of proximal (〈 12 km apart) cores from Chilean and Angola margin, respectively. These cores are from steep continental slopes and lower shelves, which leads to a substantial difference in water depth between them despite being closely located. Surprisingly, the deep and the shallow UK'37 records at the Chilean margin shows dissimilarities, in contrast to the similar records from the Angola margin, which may be due to post-depositional alteration at the former sites. In contrast, the TEX86 records were statistically indistinguishable between the sites at both the locations, even though the GDGT [2]/[3] ratio suggests GDGTs derived from potentially different archaeal communities residing at different depths. A short-lived difference between the TEX86 records is observed during the last glacial period at the Angola margin, possibly due to a contribution of Antarctic Intermediate Waters to the deep site. Modelling suggests that the TEX86 source signal at our core sites reaches its peak abundance at water depths shallower than 350 m. The RI-OH and RI-OH' records show similar variability as the TEX86 records, although regional differences in their absolute temperature estimates exist. Our approach using proximal sediment cores at steep slopes appears useful to constrain the export depth of organic proxy signals for paleoreconstructions.
    Schlagwort(e): Alkenones; GDGTs; NIOZ_UU; NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University; Ocean Drilling Program; ODP; OH-GDGTs; SST
    Materialart: Dataset
    Format: application/zip, 4 datasets
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Publikationsdatum: 2024-01-29
    Beschreibung: To compare the neighboring cores ODP Leg 202 Site 1235 and Site 1234, ca. 12 km apart from each other, we constructed an age-depth model with the statistical package Bacon (Blaauw & Christeny, 2011). It is based on the published benthic foraminifera radiocarbon measurements from Muratli et al. 2010 and supplemented here with three new benthic foraminifera 14C data for Site 1235 and the Laschamp event at 41.000 years BP based on correlating magnetic susceptibility (Mix et al., 2003). Radiocarbon ages were converted to calendar years using Marine09 data set (Reimer et al., 2009) with the reservoir age correction given by Muratli et al. 2010.
    Schlagwort(e): age depth model; chilean margin; Foraminifera; NIOZ_UU; NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University; Ocean Drilling Program; ODP; radiocarbon age model
    Materialart: Dataset
    Format: application/zip, 4 datasets
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Publikationsdatum: 2024-01-29
    Schlagwort(e): 202-1234; Age, dated; Age, dated standard deviation; age depth model; Age model, Bacon (Blaauw & Christen, 2011); calculated, 1 sigma; chilean margin; COMPCORE; Composite Core; DEPTH, sediment/rock; Foraminifera; Joides Resolution; Laboratory code/label; Leg202; NIOZ_UU; NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University; Ocean Drilling Program; ODP; radiocarbon age model; rbacon calibration curve choice; Reference/source; Reservoir age; Reservoir age, standard deviation; South Pacific Ocean; Student's t-test
    Materialart: Dataset
    Format: text/tab-separated-values, 215 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Publikationsdatum: 2024-01-29
    Schlagwort(e): 202-1235; Age, dated; Age, dated standard deviation; age depth model; Age model, Bacon (Blaauw & Christen, 2011); calculated, 1 sigma; chilean margin; COMPCORE; Composite Core; DEPTH, sediment/rock; Foraminifera; Joides Resolution; Laboratory code/label; Leg202; NIOZ_UU; NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University; Ocean Drilling Program; ODP; radiocarbon age model; rbacon calibration curve choice; Reference/source; Reservoir age; Reservoir age, standard deviation; South Pacific Ocean; Student's t-test
    Materialart: Dataset
    Format: text/tab-separated-values, 233 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Publikationsdatum: 2024-01-29
    Schlagwort(e): 202-1234; age depth model; Age model, Bacon (Blaauw & Christen, 2011); Calendar age, maximum/old; Calendar age, mean; Calendar age, median; Calendar age, minimum/young; chilean margin; COMPCORE; Composite Core; DEPTH, sediment/rock; Foraminifera; Joides Resolution; Leg202; NIOZ_UU; NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University; Ocean Drilling Program; ODP; radiocarbon age model; South Pacific Ocean
    Materialart: Dataset
    Format: text/tab-separated-values, 10752 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Publikationsdatum: 2024-01-29
    Schlagwort(e): 202-1235; age depth model; Age model, Bacon (Blaauw & Christen, 2011); Calendar age, maximum/old; Calendar age, mean; Calendar age, median; Calendar age, minimum/young; chilean margin; COMPCORE; Composite Core; DEPTH, sediment/rock; Foraminifera; Joides Resolution; Leg202; NIOZ_UU; NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University; Ocean Drilling Program; ODP; radiocarbon age model; South Pacific Ocean
    Materialart: Dataset
    Format: text/tab-separated-values, 20344 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Publikationsdatum: 2024-01-19
    Schlagwort(e): 175-1079A; Acyclic glycerol dialkyl glycerol tetraether (peak area); AGE; Alkenone, C37, di-unsaturated (peak area); Alkenone, C37, tri-unsaturated (peak area); Alkenone, unsaturation index UK'37; Alkenones; Benguela Current, South Atlantic Ocean; Branched and isoprenoid tetraether index; Calculated according to Hopmans et al. (2004); De Jonge et al. (2015); Calculated according to Lü et al. (2015); Calculated according to Schouten et al. (2002); Calculated from UK'37 (Müller et al, 1998); Calculated from UK'37 (Prahl and Wakeham, 1987); Crenarchaeol (peak area); Crenarchaeol isomer (peak area); DEPTH, sediment/rock; Dicyclic glycerol dialkyl glycerol tetraether (peak area); DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Gas chromatography - Flame Ionization Detection (GC-FID); GDGTs; Hydroxylated acyclic glycerol dialkyl glycerol tetraether (peak area); Hydroxylated dicyclic glycerol dialkyl glycerol tetraether (peak area); Hydroxylated monocyclic glycerol dialkyl glycerol tetraether (peak area); Joides Resolution; Leg175; Monocyclic glycerol dialkyl glycerol tetraether (peak area); NIOZ_UU; NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University; Ocean Drilling Program; ODP; OH-GDGTs; Ring index of hydroxylated glycerol dialkyl glycerol tetraethers; Sample code/label; Sea surface temperature, annual mean; SST; SST, from Ri OH, Lü et al. (2015); SST, from Ri OH-GDGTs, Fietz et al. (2020); SST, from TEXH86, BAYSPAR (BAYesian SPAtially-varying Regression) (Tierney and Tingley, 2014, 2015); Tetraether index of 86 carbon atoms; Tricyclic glycerol dialkyl glycerol tetraether (peak area); Ultra high performance liquid chromatography mass spectrometer (UHPLC-MS)
    Materialart: Dataset
    Format: text/tab-separated-values, 567 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Publikationsdatum: 2024-01-19
    Schlagwort(e): 175-1078C; Acyclic glycerol dialkyl glycerol tetraether (peak area); AGE; Alkenone, C37, di-unsaturated (peak area); Alkenone, C37, tri-unsaturated (peak area); Alkenone, unsaturation index UK'37; Alkenones; Benguela Current, South Atlantic Ocean; Branched and isoprenoid tetraether index; Calculated according to Hopmans et al. (2004); De Jonge et al. (2015); Calculated according to Lü et al. (2015); Calculated according to Schouten et al. (2002); Calculated from UK'37 (Müller et al, 1998); Calculated from UK'37 (Prahl and Wakeham, 1987); Crenarchaeol (peak area); Crenarchaeol isomer (peak area); DEPTH, sediment/rock; Dicyclic glycerol dialkyl glycerol tetraether (peak area); DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Gas chromatography - Flame Ionization Detection (GC-FID); GDGTs; Hydroxylated acyclic glycerol dialkyl glycerol tetraether (peak area); Hydroxylated dicyclic glycerol dialkyl glycerol tetraether (peak area); Hydroxylated monocyclic glycerol dialkyl glycerol tetraether (peak area); Joides Resolution; Leg175; Monocyclic glycerol dialkyl glycerol tetraether (peak area); NIOZ_UU; NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University; Ocean Drilling Program; ODP; OH-GDGTs; Ring index of hydroxylated glycerol dialkyl glycerol tetraethers; Sample code/label; Sea surface temperature, annual mean; SST; SST, from Ri OH, Lü et al. (2015); SST, from Ri OH-GDGTs, Fietz et al. (2020); SST, from TEXH86, BAYSPAR (BAYesian SPAtially-varying Regression) (Tierney and Tingley, 2014, 2015); Tetraether index of 86 carbon atoms; Tricyclic glycerol dialkyl glycerol tetraether (peak area); Ultra high performance liquid chromatography mass spectrometer (UHPLC-MS)
    Materialart: Dataset
    Format: text/tab-separated-values, 588 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Publikationsdatum: 2024-01-19
    Schlagwort(e): 202-1235A; 202-1235B; 202-1235C; Acyclic glycerol dialkyl glycerol tetraether (peak area); AGE; Alkenone, C37, di-unsaturated (peak area); Alkenone, C37, tri-unsaturated (peak area); Alkenone, unsaturation index UK'37; Alkenones; Branched and isoprenoid tetraether index; Calculated according to Hopmans et al. (2004); De Jonge et al. (2015); Calculated according to Lü et al. (2015); Calculated according to Schouten et al. (2002); Calculated from UK'37 (Müller et al, 1998); Calculated from UK'37 (Prahl and Wakeham, 1987); Crenarchaeol (peak area); Crenarchaeol isomer (peak area); Depth, composite; DEPTH, sediment/rock; Dicyclic glycerol dialkyl glycerol tetraether (peak area); DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Gas chromatography - Flame Ionization Detection (GC-FID); GDGTs; Hydroxylated acyclic glycerol dialkyl glycerol tetraether (peak area); Hydroxylated dicyclic glycerol dialkyl glycerol tetraether (peak area); Hydroxylated monocyclic glycerol dialkyl glycerol tetraether (peak area); Joides Resolution; Leg202; Monocyclic glycerol dialkyl glycerol tetraether (peak area); NIOZ_UU; NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University; Ocean Drilling Program; ODP; OH-GDGTs; Ring index of hydroxylated glycerol dialkyl glycerol tetraethers; Sample code/label; Sea surface temperature, annual mean; South Pacific Ocean; SST; SST, from Ri OH-GDGTs, Fietz et al. (2020); SST, from TEXH86, BAYSPAR (BAYesian SPAtially-varying Regression) (Tierney and Tingley, 2014, 2015); Tetraether index of 86 carbon atoms; Tricyclic glycerol dialkyl glycerol tetraether (peak area); Ultra high performance liquid chromatography mass spectrometer (UHPLC-MS)
    Materialart: Dataset
    Format: text/tab-separated-values, 854 data points
    Standort Signatur Erwartet Verfügbarkeit
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