Sentence examples for contributing to levels from inspiring English sources

A good example of this effect is seen in the importance of weedy species in contributing to levels of Fusarium spp. in agricultural soil (Jenkinson and Parry 1994; Hennessy et al. 2005).

Food portions getting bigger, whether in restaurants or ready meals, is known to contribute to levels of obesity.

Moreover, parasites with the same pfcrt and pfmdr1 alleles exhibit a wide range of drug sensitivity, suggesting that additional genes contribute to levels of CQ resistance (CQR).

Then, skimmed milk contributes to level 0 as 0.1%, while semi-skimmed milk contributes to level 1 as 0.13%.

This, they argued, could be contributing to rising levels of overweight and obesity.

"This could be contributing to high levels of chemical contamination in large predators, as in pilot whales.

Rising temperatures are also contributing to higher levels of ozone.

Changes in pension policy are boosting public spending and contributing to rising levels of debt.

The American Psychological Association began surveying the general public in 2007 to determine the biggest factors contributing to stress levels.

It also highlights endemic poverty and HIV and AIDS as contributing to high levels of vulnerability.

Also contributing to high levels of diarrhoea are poor feeding practices and lack of sanitation.