ABSTRACT Seed dispersion is a critical process to vegetation dynamics which is particularly complex in mosaic-like landscapes as the Pantanal wetlands. We analyzed some aspects of ichthyochory in the Pantanal flooded grasslands. The fish were collected and had their whole intestinal contents removed and submitted to suitable germination conditions for 179 days. We collected 661 specimens belonging to 40 species. Feces from Astyanax lacustris, Poptela paraguayensis, Moenkhausia sanctafilomena and Moenkhausia bonita produced 15 seedlings of herbaceous plant of the species Ludwigia inclinata, Ludwigia leptocarpa and a non-identified monocotyledon. A total of 30.4 g of fecal mass was recovered with a rate of 0.49 seedling.gram−1. There is a positive relation between the number of seedlings obtained and the amount of fish fecal mass (g). Currently, Pantanal landscape dynamics is under rising pressure of field compartmentalization due to man-made roads which restrains fish transit.

中文翻译：

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小型鱼作为可能的种子传播者：揭示潘塔纳尔湿地中新型鱼类和植物物种的相互作用

摘要 种子扩散是植被动态的关键过程，在潘塔纳尔湿地等马赛克状景观中尤为复杂。我们分析了潘塔纳尔湿地草原中鱼藻的某些方面。收集鱼并去除其整个肠道内容物并置于合适的发芽条件下 179 天。我们收集了属于 40 个物种的 661 个标本。来自 Astyanax lacustris、Poptela paraguayensis、Moenkhausia sanctafilomena 和 Moenkhausia bonita 的粪便产生了 15 株草本植物的幼苗，包括 Ludwigia inclinata、Ludwigia leptocarpa 和一种未鉴定的单子叶植物。以 0.49 幼苗.克-1 的速率回收了总共 30.4 克粪便。获得的幼苗数量与鱼粪质量 (g) 之间存在正相关关系。现在，