Aster-like nanoparticles (ALNs) are newly described femto-entities. Their ecology (e.g., geographic distribution, spatial dynamic, preferences, forcing factors) is still unknown. Here, we report that these entities, which have largely been ignored until now, can develop or maintain themselves in most aquatic environments in the Loire River catchment, France. We observed a significant influence of the trophic state on ALN ecological distributions. A positive relationship between prokaryotic abundance and ALN (r² = 0.72, p < 0.01) has been identified, but its exact nature remains to be clarified. Combined with their ubiquitous distribution and high abundances (up to 7.9 × 10⁶ ALNs mL⁻¹) recorded in our samples, this probably makes ALNs an overlooked functional component in aquatic ecosystems.

翠菊样纳米颗粒（ALN）是新描述的毫微微实体。它们的生态学（例如地理分布，空间动态，偏好，强迫因素）仍然未知。在这里，我们报告说，这些实体直到现在仍在很大程度上被忽略，它们可以在法国卢瓦尔河流域的大多数水生环境中发育或维持自身。我们观察到营养状态对ALN生态分布有重大影响。 已经确定了原核生物丰度与ALN之间呈正相关（r ²  = 0.72，p <0.01），但其确切性质仍有待阐明。结合其无处不在的分布和高丰度（高达7.9×10 ⁶  ALNs mL ^-1）记录在我们的样本中，这可能使ALNs成为水生生态系统中被忽视的功能组件。