Roles of species-preferential seed dispersal by ants and endozoochory in Melampyrum(Orobanchaceae)
作者机构：University of South BohemiaFaculty of ScienceBranišovská3137005ČeskéBudějoviceCzech Republic
出 版 物：《Journal of Plant Ecology》 (植物生态学报（英文版）)
年 卷 期：2013年第6卷第3期
页 面：232-239页
核心收录：
学科分类：07[理学] 0701[理学-数学] 070101[理学-基础数学]
基 金：Grant Agency of the University of South Bohemia(164/2010/P and 04-138/2010/P)
主 题：endozoochory Melampyrum myrmecochory Orobanchaceae seed dispersal
摘 要：Aims Melampyrum pratense and *** are two myrmeco-chorous species,which possess similar habitat requirements and frequently occur *** this,their population sizes differ *** pratense populations are usually very large,whereas *** has rather small and isolated *** suggest that such an imbalance might be partially influenced by the difference in ant-mediated seed-removal *** Melampyrum is considered to be exclusively myrme-cochorous,though to achieve the recent distribution of some Melampyrum species during the Holocene myrmecochory would be highly *** suggest that endozoochory takes place in the long-distance migration,whereas myrmecochory is important for the removal of seeds on a local *** For seed-preference analysis,*** and *** mixed seed samples were placed around Formica polyctena *** a period of time,the remaining seeds of both species were counted for each *** results were analysed by analysis of variance and generalized linear mixed-effect *** test myrmecochorous removal distances,*** seeds were covered with fluorescent dactyloscopic powder and placed in the vicinity of a large ant *** area around the starting plot was searched in the dark using uV lED torchlight 7 h after the *** distance from the starting plot was measured for each seed ***,rodents,leporine and a ruminant were fed with *** seeds and fresh plants to test the possibility of endozoochorous dispersal of the *** droppings were searched for intact *** Findingsour field studies show that from mixed seed samples,containing both species,ants significantly preferred the seeds of *** may be one of factors that has positive influence on ***-ense success in seed dispersal on mixed stands and consequently in the colonization of favourable *** focusing on ant-mediated dispersal distance reveal
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