Improving wheat productivity reveals an emerging yield gap associated with short-term change in atmospheric humidity

2022 ◽  
Vol 312 ◽  
pp. 108710
Author(s):  
Seiji Shimoda ◽  
Yohei Terasawa ◽  
Zenta Nishio
Cancers ◽  
2021 ◽  
Vol 13 (13) ◽  
pp. 3245
Author(s):  
Emma C. Atakpa ◽  
Adam R. Brentnall ◽  
Susan Astley ◽  
Jack Cuzick ◽  
D. Gareth Evans ◽  
...  

We evaluated the association between short-term change in body mass index (BMI) and breast density during a 1 year weight-loss intervention (Manchester, UK). We included 65 premenopausal women (35–45 years, ≥7 kg adult weight gain, family history of breast cancer). BMI and breast density (semi-automated area-based, automated volume-based) were measured at baseline, 1 year, and 2 years after study entry (1 year post intervention). Cross-sectional (between-women) and short-term change (within-women) associations between BMI and breast density were measured using repeated-measures correlation coefficients and multivariable linear mixed models. BMI was positively correlated with dense volume between-women (r = 0.41, 95%CI: 0.17, 0.61), but less so within-women (r = 0.08, 95%CI: −0.16, 0.28). There was little association with dense area (between-women r = −0.12, 95%CI: −0.38, 0.16; within-women r = 0.01, 95%CI: −0.24, 0.25). BMI and breast fat were positively correlated (volume: between r = 0.77, 95%CI: 0.69, 0.84, within r = 0.58, 95%CI: 0.36, 0.75; area: between r = 0.74, 95%CI: 0.63, 0.82, within r = 0.45, 95%CI: 0.23, 0.63). Multivariable models reported similar associations. Exploratory analysis suggested associations between BMI gain from 20 years and density measures (standard deviation change per +5 kg/m2 BMI: dense area: +0.61 (95%CI: 0.12, 1.09); fat volume: −0.31 (95%CI: −0.62, 0.00)). Short-term BMI change is likely to be positively associated with breast fat, but we found little association with dense tissue, although power was limited by small sample size.


1975 ◽  
Vol 23 (4) ◽  
pp. 511 ◽  
Author(s):  
PJM Greenslade

A population of the mound-building meat ant, Iridomyrmex purpureus s. s., was studied from 1971 to 1974 near the cool, wet end of its South Australian range. Seasonal variation in the numbers of nest mounds, and in number of nest entrance holes used by the population, indicate that it is under climatic stress in winter and summer. It is also subject to human interference and many mounds have been damaged; the fate of such colonies suggests that the mounds affect nest temperatures and are important in reducing winter stress. Comparison of parts of the population from areas differing in aspect and drainage shows that colony size and structure are controlled by rates of growth and survival of nests, depending largely on summer and winter stress respectively. The latter appears to be the critical factor in this population.


2021 ◽  
Vol 51 (2) ◽  
pp. 175-183
Author(s):  
Mitsuharu Yagi

To study the effects of a typhoon on a temperate, coastal bay community, the species composition, catch amount, and diversity of epipelagic fish assemblages were investigated. Fish samples were taken from catches of a purse seine fishery in Tachibana Bay, Japan between May and July 2011, covering before and after the passage of a typhoon in the area. Although major changes in total catch amount were not observed before and after the passage of the typhoon, the abundance of the Japanese anchovy, Engraulis japonicus Temminck et Schlegel, 1846, markedly decreased and bycatch of species increased, accompanied by increasing levels of diversity of the fish assemblage. Multivariate analysis showed that community differences before and after the passage were quantitative rather than qualitative. Comparisons in total length frequencies between the two periods indicated that specimens of the species compared were bigger in size for Trachurus japonicus (Temminck et Schlegel, 1844) and smaller for E. japonicus in the “after” period. These results suggest that the passage of the typhoon triggered not only interspecific faunal change but also intraspecific recruitment shifts in and around the bay.


1994 ◽  
Vol 36 (1) ◽  
pp. 34A-34A
Author(s):  
Beate Pietschnig ◽  
Karin Wiberg ◽  
Ferdinand Haschke ◽  
Christopher Rappe ◽  
Ernst Schuster

1995 ◽  
Vol 109-110 ◽  
pp. 75-109 ◽  
Author(s):  
Paul Lennon

Abstract This paper presents four case studies to demonstrate developments in oral proficiency made by advanced learners of English during two months in England. The data base consists of picture story oral narratives. Performance shortly after arrival in Britain is compared with that at the end of the two months. Assessment was by: subjective reactions of a panel of experienced native-speaker EFL teachers quantitative analysis of transcriptions of recordings. An attempt is made to apply VORSTER’s (1980) components of proficiency developed for use with children mother tongue speakers. The main findings were as follows: There was considerable dissension among teachers, so that the reliability of subjective teacher assessment in such cases must be seriously questioned. Results on the objective quantitative measures were very chequered, suggesting that the variables chosen did not, in many cases, function well to identify developments over so short a period. Nevertheless, there were clear trends towards improvements in productivity and modality (co-verbs). There were signs of individual differences among subjects in route of development.


Obesity ◽  
2020 ◽  
Vol 28 (2) ◽  
pp. 347-352
Author(s):  
Zachary A. Weber ◽  
Abigail Shoben ◽  
Sarah E. Anderson

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