Causes and Consequences of Declining Sex Ratio in North India Causes and Consequences of Declining Sex Ratio
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Causes and consequences of spatial variation in sex ratios in a declining bird species
Male-biased sex ratios occur in many bird species, particularly in those with small or declining populations, but the causes of these skews and their consequences for local population demography are rarely known. Within-species variation in sex ratios can help to identify the demographic and behavioural processes associated with such biases. Small populations may be more likely to have skewed s...
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In many district of Haryana, there are many evidences that point out female birth is as burden on family. In Haryana result shows rapidly lowest child sex ratio report by the 2001&2011 census. Haryana is amongst the most affected state regarding declining and imbalance of child sex ratio. Therefore, this state is the main focus area of this study. Though there are the many reasons behind declin...
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Introduction: Earlier studies throughout the world show that the ratio of live male births to live female births is declining. There are several factors associated with the reduction of male births including environmental pollutions, exposure to chemicals and smoking. The aim of this study is to determine the relationship between paternal smoking and sex ratio of children at public maternity ho...
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Background and Aim: Fertility declining to a level too low for replacement and preventing its negative consequences have led to changes in the country's population policies. Understanding the causes of declining fertility and proper policymaking to increase it requires prompt action on the part of researchers and policymakers in different social and health fields. The purpose of this study was ...
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Stochastic variation of sex ratio has long been appreciated as a potential factor driving small populations to extinction, but it is not the only source of sex-ratio bias in small populations. We examined whether some consequences of sex allocation could affect extinction risk in small populations of size-dimorphic birds such as eagles. We report variations in sex ratio at fledging from a long-...
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