ECOLOGY AND EVOLUTION OF THE PITCHER‐PLANT MOSQUITO: 1. POPULATION DYNAMICS AND LABORATORY RESPONSES TO FOOD AND POPULATION DENSITY
ECOLOGY AND EVOLUTION OF THE PITCHER‐PLANT MOSQUITO: 1. POPULATION DYNAMICS AND LABORATORY RESPONSES TO FOOD AND POPULATION DENSITY
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猪笼草的生态学和进化： 1. 种群动态以及实验室对食物和人口密度的反应
DOI：
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发表时间：
1975
期刊：
影响因子：
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通讯作者：
Harold Zimmer
中科院分区：
文献类型：
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作者：
C. Istock;S. Wasserman;Harold Zimmer
强调生态过程和进化过程是相关的，应该一起研究，这是司空见惯的，但是对自然种群的分析揭示了历史进化因素，当前种群过程和自然选择的普遍影响的相互关系并不常见。这是我们对猪笼草蚊的研究方向。在本文中，我们提出：该物种在单一沼泽中的自然历史和种群动态;一项实验，以确定种群的幼虫部分是否在变态前的关键时刻饱和其资源;以及该物种对食物和种群密度的实验室反应研究。现场数据显示，幼虫丰度受到更严格的调控（即，比生命周期中其他部分的丰度更高）。我们的实验室数据显示，不同的食物水平和幼虫密度的健身组件的影响。这些研究的核心是完成生命周期。我们试图了解在不同生态环境下，鼓励或阻碍生命周期完成的因素，以及影响个体平均适合度的因素。研究W.进行smithii是出于各种概念和实际原因。一个复杂的生命周期（两个或多个不同的生态阶段）的生态和进化后果是一些利益（Istock，1967年，1970年）。物种
It is commonplace to emphasize that ecological and evolutionary processes are related and ought to be studied together, but analyses of natural populations which unravel the interrelations of historical evolutionary factors, current population processes, and the prevailing effects of natural selection are not common. This is the direction of our studies of the pitcher-plant mosquito, Wyeomyia smithii. In this paper we present: the natural history and population dynamics of this species in a single bog; an experiment to determine if the larval part of the population saturates its resources at a critical time preceding metamorphosis; and studies of laboratory responses of the species to food and population density. The field data show that larval abundance is more tightly regulated (i.e., steadier) than the abundance of other parts of the life cycle. Our laboratory data show how the components of fitness are influenced by different food levels and larval density. Central in these studies is completion of the life cycle. We are trying to understand the factors which encourage or discourage completion of the life cycle and influence the average fitness of individuals under different ecological circumstances. Study of W. smithii was undertaken for a variety of conceptual and practical reasons. The ecological and evolutionary consequences of a complex life cycle (two or more distinct ecological stages) are of some interest (Istock, 1967, 1970). The species