نتایج جستجو برای: reproductive history

تعداد نتایج: 441343  

Journal: :Annals of the New York Academy of Sciences 2010

2016
Fabian M. Mollet Ulf Dieckmann Adriaan D. Rijnsdorp

Growing evidence suggests that fishing may induce rapid contemporary evolution in certain life-history traits. This study analyzes fisheries-induced changes in life-history traits describing growth, maturation, and reproduction, using an individual-based eco-genetic model that captures both the population dynamics and changes in genetic trait values. The model was successfully calibrated to mat...

2001
Farrah Bashey

Goal To improve understanding of life-history patterns in guppies by developing a model that predicts resource allocation decisions (interbrood interval, reproductive effort, and offspring size). Background The work of David Reznick and colleagues on life-history evolution in guppies (Poecilia reticulata) is viewed as strong support for age-specific demographic models for the evolution of repro...

2007
Suzanne Elizabeth Belinson Andrew Olshan Jennifer Smith

SUZANNE BELINSON: Association of Reproductive History with Human Papillomavirus and Cervical Intraepithelial Neoplasia Severity (Under the direction of Katherine Hartmann) Our objective was to uncover potential links between Human Papillomavirus infection, common reproductive outcomes and high-grade cervical pre-cancer. We evaluated common reproductive risk factors, by varied stratifications of...

2006
V. Sree Devi M. Hema Prasad V. Durga Rao G. Sandhya Devi P. P. Reddy

Adverse health effects and reproductive hazards at the workplace are an issue of increasing health concern and more than 1000 chemicals at workplace have been demonstrated to have adverse effects in animals. However such studies are limited in humans. Since data on reproductive epidemiology in traffic policemen exposed to automobile exhaust is limited, a study on the reproductive endpoints of t...

Journal: :Human reproduction 2006
David Benatar

It is widely recognized that one person's freedom may be limited to prevent harm to another (non-consenting) person. It is curious, therefore, that where a right to reproductive freedom is recognized, there is considerable reticence to limit or override it in cases where reproduction harms those people who are brought into existence. I argue that this is inappropriate. If there should be no rig...

Journal: :Social work 2008
Sarah Kye Price

An estimated one in four women experiences a pregnancy loss during her lifetime. Despite the pervasiveness of fetal mortality reflected by these numbers, social workers rarely initiate dialogues regarding reproductive loss history. Reproductive loss experiences are interwoven with typical themes emerging in everyday social work practice, including mental health, self-conceptualization, social r...

Journal: :Science 2010
L McKinnon P A Smith E Nol J L Martin F I Doyle K F Abraham H G Gilchrist R I G Morrison J Bêty

Quantifying the costs and benefits of migration distance is critical to understanding the evolution of long-distance migration. In migratory birds, life history theory predicts that the potential survival costs of migrating longer distances should be balanced by benefits to lifetime reproductive success, yet quantification of these reproductive benefits in a controlled manner along a large geog...

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