Cover image: Photos are an often-overlooked source of data in ecology. They can for instance be used to monitor possible mismatches between flowering time of spring geophytes (Galanthus nivalis) and pollinators (Bombus lapidarius) due to climate change (Nature reserve Meirdam – Dendermonde, Belgium). Photograph by Robin Bosteels. For full details see pages 1220–1236.

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封面图片及发行信息

封面图片：照片是生态学中经常被忽视的数据来源。例如，它们可用于监测由于气候变化（自然保护区 Meirdam – Dendermonde，比利时）导致的春季地球植物 ( Galanthus nivalis ) 和授粉媒介 ( Bombus lapidarius ) 的开花时间之间可能存在的不匹配。罗宾·博斯蒂尔斯摄。详细信息请参见第 1220–1236 页。