An experimental analysis of the relationship between species combination and community persistence
An experimental analysis of the relationship between species combination and community persistence
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物种组合与群落持续性关系的实验分析
DOI：
10.1007/pl00011987
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发表时间：
1999
期刊：
影响因子：
--
通讯作者：
K. Fujii
中科院分区：
文献类型：
--
作者：
T. Mitsunaga;K. Fujii
在群落动态的许多稳定因素中，非线性生物相互作用（如III型功能反应）被广泛认为是主要特征。然而，迄今为止，大多数实验生物群落的结构都很简单。因此，早期研究中的结论依赖于简单群落结构的可能性是不可否认的。在这项研究中，使用多物种的实验社区，我们评估了哪些组合的组成物种和什么样的种间相互作用允许社区持续存在，以及这些如何有助于社区的持久性。我们用两种豆类进行了实验社区，（Vigna angularis）和红芸豆（菜豆），两种豆象鼻虫，墨西哥豆象鼻虫（Zabrotes subfasciatus，鞘翅目：豆象科）和小豆象甲（鞘翅目：豆象科）和两种寄生蜂，分别为：红背异斑蜂（膜翅目：茧蜂科）和红背异翅蜂（膜翅目：金小蜂科）。多代实验群落的结果解释了短期实验中获得的组成物种的特征。在我们的两种资源-两种食草动物-一种食肉动物系统中，一种寄生蜂（A。calcium）导致C.中国。另一方面，其他寄生蜂种（H。prosopathy）导致系统持久性。我们的总体结果表明，在多物种的社会，物种本身的组合是更重要的社区持久性比特定物种的特征。
Among many stabilizing factors for community dynamics, nonlinear biological interactions such as type III functional response have been widely considered to be major characteristics. However, most experimental biological communities employed so far had quite simple structures. Therefore, the possibility that the conclusions in earlier studies were dependent on simple community structure is undeniable. In this study, using a multiple-species experimental community, we evaluated which combinations of component species and what kinds of interspecific interactions allow communities to persist and how these contribute to community persistence. We conducted experimental communities using two species of beans, the adzuki bean (Vigna angularis) and the red kidney bean (Phaseolus vulgaris), two species of bean weevils, the Mexican bean weevil (Zabrotes subfasciatus, Coleoptera: Bruchidae) and adzuki bean weevil (Callosobruchus chinensis, Coleoptera: Bruchidae), and two species of parasitic wasp,Heterospilus prosopidis(Hymenoptera: Braconidae) andAnisopteromalus calandrae(Hymenoptera: Pteromalidae). The outcome of multiple-generation experimental communities was explained by the characteristics of component species obtained from short-term experiments. In our two resources–two herbivores–one carnivore system, the strong density-dependent attack ability of one parasitic wasp species (A. calandrae) led to the extinction ofC. chinensis. On the other hand, the weak density-dependent attack ability of the other parasitic wasp species (H. prosopidis) led to system persistence. Our overall results show that, in a multiple-species community, the combination of species itself is more important for community persistence than are the characteristics of the particular species.