Sentences with phrase «where high fertility»

Not exact matches

Professor Don Levitan, chair of the Department of Biological Science, writes in the latest issue of Marine Ecology Progress Series that bleaching — a process where high water temperatures or UV light stresses the coral to the point where it loses its symbiotic algal partner that provides the coral with color — is also affecting the long - term fertility of the coral.

The rapidly accumulating evidence of soil depletion over wide agricultural areas, the reduction in crop yields on improperly fertilized or unfertilized areas and on others, the reduction of fertility levels to the point where fertilizer applications represent the minimum subsistence diet, combined with an aroused public consciousness of the importance of soil fertility conservation and restoration, will inevitably lead to a demand that the chemical industry provide here the same high order of service which it offers elsewhere in meeting man's aspirations for more abundance and greater efficiency.

Countries where fertility rates are higher, such as France, Norway and Sweden, have more progressive governments, which provide generous maternity benefits, subsidized daycare and child tax deductions that make it easier for women to have both kids and jobs.

In male dogs being used for stud, or bite work where higher levels of testosterone are needed for fertility or drive, drug supplementation can be safely administered to shrink down the size of the prostate gland without affecting the levels of testosterone needed for sperm counts or working drive.

I chatted with one of the authors, Hans - Peter Kohler of the University of Pennsylvania, and he explained that this finding doesn't appear to influence the global trajectory toward a population peak of more or less 9 billion because the level of development where the uptick in fertility occurs is very high.

Fertility as more N is applied more residue is produced and more carbon is sequestered, Janzen (1987); Rasmusson and Rohde (1988); Campbell et al. (1991a); Ismail et al. (1994); Solberg et al. (1995); except where soil organic C is already high, Campbell et al. (1991 a, b); Nyborg et al. (1995).

Population cluster bombs are in areas where you have persistent high fertility rates and deep poverty, such as many parts of sub-Saharan Africa and parts of south Asia.

This number would likely be higher in most other European countries, where the contribution of childlessness to low fertility is much lower than in Germany (Billari and Kohler 2004; Sobotka 2004, 2008).

In contrast with fertility, the relationship between women's neuroticism and child quality seems to be less context - specific: Neuroticism in women predicts poorer child condition both in the studied population and in modern settings where high neuroticism has been associated with inadequate parenting practices and the creation of a stressful family environment (37).