Stressing food plants by altering water availability affects grasshopper performance

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Stressing food plants by altering water availability affects grasshopper performance

Extreme weather events like drought and heavy rain are likely to increase with climate change in Central Europe and may affect nutrient content in plants. They may therefore influence the performance (growth rate, developmental time, mortality, body size/mass, fecundity) and population dynamics of herbivorous insects. We conducted a common-garden experiment on food plants to investigate effects...

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Water availability affects reproduction in deer mice.

Water restriction impaired sperm production in deer mice, a seasonally breeding mammal that encounters aperiodic droughts in its natural habitat throughout North America. Water-induced spermatogenic responses were sorted into three categories based upon epididymal sperm numbers: aspermic, oligospermic, and euspermic. Average gonadal mass was reduced after 10 wk of limited water consumption. Int...

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Fatty acid oxidation affects food intake by altering hepatic energy status.

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Altering substrate availability profoundly affects left ventricular function in the normal heart

Background Although altered cardiac substrate selection has been proposed to be the cause for many cardiac diseases and has been suggested to be a target to improve cardiac function, the effect of modulating substrate availability on global LV function in the normal heart has not been investigated. Our aim was to use CMR to investigate global cardiac function and strain before and after modulat...

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Use of Tensiometers in Measuring Availability of Water to Plants.

Efforts by several investigators to measure availability of water to plants by vapor pressure (2, 12) and other methods (10, 14) have indicated that the potential of water at the permanent wilting percentage is approximately 16 x 106 ergs per gram, whereas others (1, 11) have obtained results which indicate somewhat lower values. A great many experiments (3, 4, 5, 6, 13) have demonstrated that ...

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ژورنال

عنوان ژورنال: Ecosphere

سال: 2011

ISSN: 2150-8925

DOI: 10.1890/es11-00095.1