scholarly journals The Effect of Climate Change on Linolenic Fatty Acid in Oilseed Rape

Agronomy ◽  
2020 ◽  
Vol 10 (12) ◽  
pp. 2003
Author(s):  
Marek Wójtowicz ◽  
Andrzej Wójtowicz
Keyword(s):  
Climate Change ◽  
Linolenic Acid ◽  
Oilseed Rape ◽  
Acid Content ◽  
Climate Model ◽  
Dominant Role ◽  
Meteorological Data ◽  
Linolenic Acid Content ◽  
Direct Influence ◽  
Simulation Results

Linolenic acid content plays a significant role in the quality of oilseed rape oil. With the use of a model developed to calculate linolenic acid content depending on temperature, we performed simulations focused on the predicted changes of linolenic acid content triggered by expected climate change. The aim of the study was realized with the use of meteorological data recorded at 16 locations, representing 16 provinces in Poland, in the period of 1986–2005, and values obtained after the transformation of the recorded data to reflect temperature changes in four different representative concentration pathway scenarios (RCP2.6, RCP4.5, RCP6.0, RCP8.5) according to the gfdl_esm2m climate model. The results of the simulations performed under all tested scenarios (RCP2.6, RCP4.5, RCP6.0, RCP8.5) for all analyzed periods (2020–2039, 2040–2059, 2060–2079, 2080–2099) indicate a reduction of linolenic acid content as an effect of climate change. The comparison of simulation results obtained with and without allowing for the influence of temperature on oilseed rape development revealed the dominant role of direct influence in modifying the linolenic acid content. An analysis of the results also indicated how indirect influence of climate change, as expressed in changes of linolenic acid content generated by the acceleration of oilseed rape maturation, reduces the direct influence of climate change, expressed in changes of linolenic acid content caused by temperature. Additionally, simulation results point to opportunities, triggered by climate change, for a diversity of regions in terms of linolenic acid content in comparison to the years of 1986–2005.

scholarly journals α-Linolenic acid content of adipose breast tissue: a host determinant of the risk of early metastasis in breast cancer

1994 ◽  
Vol 70 (2) ◽  
pp. 330-334 ◽  
Author(s):  
P Bougnoux ◽  
S Koscielny ◽  
V Chajès ◽  
P Descamps ◽  
C Couet ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Linolenic Acid ◽  
Acid Content ◽  
Breast Tissue ◽  
Linolenic Acid Content ◽  
Early Metastasis

scholarly journals Evaluating quantile-based bias adjustment methods for climate change scenarios

2021 ◽  
Author(s):  
Fabian Lehner ◽  
Imran Nadeem ◽  
Herbert Formayer
Keyword(s):  
Climate Change ◽  
Climate Models ◽  
Climate Model ◽  
Meteorological Data ◽  
Climate Change Signal ◽  
Historical Period ◽  
Climate Change Scenarios ◽  
Statistical Bias ◽  
Bias Adjustment ◽  
Direct Model

Abstract. Daily meteorological data such as temperature or precipitation from climate models is needed for many climate impact studies, e.g. in hydrology or agriculture but direct model output can contain large systematic errors. Thus, statistical bias adjustment is applied to correct climate model outputs. Here we review existing statistical bias adjustment methods and their shortcomings, and present a method which we call EQA (Empirical Quantile Adjustment), a development of the methods EDCDFm and PresRAT. We then test it in comparison to two existing methods using real and artificially created daily temperature and precipitation data for Austria. We compare the performance of the three methods in terms of the following demands: (1): The model data should match the climatological means of the observational data in the historical period. (2): The long-term climatological trends of means (climate change signal), either defined as difference or as ratio, should not be altered during bias adjustment, and (3): Even models with too few wet days (precipitation above 0.1 mm) should be corrected accurately, so that the wet day frequency is conserved. EQA fulfills (1) almost exactly and (2) at least for temperature. For precipitation, an additional correction included in EQA assures that the climate change signal is conserved, and for (3), we apply another additional algorithm to add precipitation days.

Inheritance of Reduced Linolenic Acid Content in Soybean Genotypes A16 and A17

Crop Science ◽  
1992 ◽  
Vol 32 (4) ◽  
pp. 903-906 ◽  
Author(s):  
Walter R. Fehr ◽  
Grace A. Welke ◽  
Earl G. Hammond ◽  
Daniel N. Duvick ◽  
Sylvia R. Cianzio
Keyword(s):  
Linolenic Acid ◽  
Acid Content ◽  
Linolenic Acid Content ◽  
Soybean Genotypes

Effect of transplanting date on the fatty acid composition, oil content and yield of evening primrose (Oenothera biennis L.) seed

1994 ◽  
Vol 74 (1) ◽  
pp. 129-131 ◽  
Author(s):  
Robert C. Roy ◽  
Peter H. White ◽  
Alex F. More ◽  
John G. Hendel ◽  
Robert Pocs ◽  
...  
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Key Words ◽  
Linolenic Acid ◽  
Acid Content ◽  
Oil Content ◽  
Linolenic Acid Content ◽  
Oenothera Biennis ◽  
Evening Primrose ◽  
One Year

The influence of transplanting time on the growth of evening primrose (Oenothera biennis L.) was investigated for 3 yr. Delaying transplanting reduced the yield of seed in two of these years. The amount of oil in the seed was not influenced by time of transplanting, and only in one year did the γ-linolenic acid content of the oil decrease with delays in transplanting. Key words: Evening primrose, transplanting date, oil content, γ-linolenic acid

scholarly journals The Alpha Linolenic Acid Content of Flaxseed is Associated with an Induction of Adipose Leptin Expression

Lipids ◽  
2011 ◽  
Vol 46 (11) ◽  
pp. 1043-1052 ◽  
Author(s):  
Richelle S. McCullough ◽  
Andrea L. Edel ◽  
Chantal M. C. Bassett ◽  
Renée K. LaVallée ◽  
Elena Dibrov ◽  
...  
Keyword(s):  
Linolenic Acid ◽  
Acid Content ◽  
Linolenic Acid Content ◽  
Alpha Linolenic Acid ◽  
Leptin Expression

Analysis of genetic effects and heritabilities for linoleic andα-linolenic acid content ofBrassica napus L. across Chinese environments

2004 ◽  
Vol 106 (8) ◽  
pp. 518-523 ◽  
Author(s):  
Haizhen Zhang ◽  
Chunhai Shi ◽  
Jianguo Wu ◽  
Yuling Ren ◽  
Changtao Li ◽  
...  
Keyword(s):  
Linolenic Acid ◽  
Acid Content ◽  
Genetic Effects ◽  
Linolenic Acid Content
Sign in / Sign up

Export Citation Format

Share Document