نتایج جستجو برای: isolation distanc

تعداد نتایج: 130938  

2016
Yuma Takahashi Koh-ichi Takakura Masakado Kawata

Understanding the mechanisms shaping the spatiotemporal distribution of species has long been a central concern of ecology and evolutionary biology. Contemporary patterns of plant assemblies suggest that sexual interactions among species, i.e., reproductive interference, lead to the exclusive distributions of closely related species that share pollinators. However, the fitness consequences and ...

Journal: :Decision Support Systems 2013
Ming Lei Xinna Zhao Honghui Deng Keah-Choon Tan

Available online 6 November 2012

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2010
David W Pfennig Matthew McGee

A major goal of evolutionary biology is to identify the causes of diversification and to ascertain why some evolutionary lineages are especially diverse. Evolutionary biologists have long speculated that polyphenism--where a single genome produces alternative phenotypes in response to different environmental stimuli--facilitates speciation, especially when these alternative phenotypes differ in...

Journal: :Evolution; international journal of organic evolution 1989
Diane M B Dodd

Your use of the JSTOR archive indicates your acceptance of JSTOR's Terms and Conditions of Use, available at http://www.jstor.org/about/terms.html. JSTOR's Terms and Conditions of Use provides, in part, that unless you have obtained prior permission, you may not download an entire issue of a journal or multiple copies of articles, and you may use content in the JSTOR archive only for your perso...

2014
Yan Ruth Xia Haiping Wang Shen Qin Anh Do

The Chinese family policies are shaped by the country’s political, socioeconomic, and cultural contexts and have evolved over the years. China has passed its most significant family policies and laws in marriage; child rearing; child, women, and elderly protection; family planning; and health care in the past 60 years. This chapter will cover the most important laws and policies that affect Chi...

Journal: :Collegium antropologicum 2008
Ana Malnar

This research on the basic demographic processes and marital migrations of the population on Ugljan Island in the period from 1857 to 2001 was conducted within the context of the long-term anthropological research of the population structure of Croatia's islands. The analysis was based on the study of the origin of 5 244 married couples from Preko, Kali, Kukljica, Lukoran and Ugljan and carried...

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