▪ Abstract Floral evolution has often been associated with differences in pollination
syndromes. Recently, this conceptual structure has been criticized on the grounds that …

Background Co-flowering plant species frequently share pollinators. Pollinator sharing is
often detrimental to one or more of these species, leading to competition for pollination …

One view of pollination systems is that they tend toward specialization. This view is implicit in
many discussions of angiosperm evolution and plant—pollinator coevolution and in the long …

摘要植物繁育系统是当今进化生物学研究中最为活跃的领域. 繁育系统是指代表所有影响后代
遗传组成的有性特征的总和, 主要包括花形态特征, 花的开放式样, 花各部位的寿命 …

How strong is phenotypic selection on quantitative traits in the wild? We reviewed the
literature from 1984 through 1997 for studies that estimated the strength of linear and …

Bateman's principle states that male fitness is usually limited by the number of matings
achieved, while female fitness is usually limited by the resources available for reproduction …

Ecological research and the way that ecologists use statistics continues to change rapidly.
This second edition of the best-selling Design and Analysis of Ecological Experiments leads …

The proceeding chapters discuss the best ways to design and analyze the results of
individual experiments. In this chapter, we will examine methods to statistically combine the …

Summary 599I. Introduction 599II. Concepts and terminology 600III. Historical background
600IV. Studies of experimental hybrids 6011. Isolating mechanisms 6012. Prezygotic …

Even before the publication of Darwin's Origin of Species, the perception of evolutionary
change has been a tree-like pattern of diversification-with divergent branches spreading …