Fertility subsidies can have ambiguous effects on birth timing

Marine subsidies have multiple effects on coastal food webs.

The effect of resource subsidies on recipient food webs has received much recent attention. The purpose of this study was to measure the effects of significant seasonal seaweed deposition events, caused by hurricanes and other storms, on species inhabiting subtropical islands. The seaweed represents a pulsed resource subsidy that is consumed by amphipods and flies, which are eaten by lizards an...

Fertility can have different effects on single and nonsingle women: reply to Harris and Mickes (2014).

Birth-cohort effects in the association between personality and fertility.

The present study investigated whether associations between individuals' personality traits and whether they have children have been modified by birth-cohort effects in the 20th-century United States. Participants were from the Midlife Development in the United States study (n = 6,259) and the Wisconsin Longitudinal Study (n = 3,994) and were born between 1914 and 1974. Data on personality trai...

Does a legal ban on sex selective abortion have any impact on fertility and birth spacing decision of women

This paper investigates whether a legal ban on sex selective abortion can be used as an effective policy instrument to cure the problem of a skewed sex ratio against girl children. Sex ratio in India has been increasingly skewed against girls since 1940's and the biggest policy instrument undertaken by the Indian Government to address this issue is to implement the PNDT Act that bans the detect...

Effects of radio waves on male fertility

In recent years, male fertility has changed due to the effects of environmental, health and lifestyle factors and the infertility rate has increased, to the extent that male fertility may be affected by extreme heat, exposure to pesticides, radiation, substances Changes in radioactivity, lifestyle, stress and occupation. In the environment, there are ionizing and non-ionizing rays whose effect...