Anu Tiitsaar, Daniel Valdma, Erki Õunap, J. Remm, T. Teder, T. Tammaru
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引用次数: 4
Abstract
The distribution of butterflies was mapped throughout entire Estonia in 2016 and 2017. Butterflies were surveyed during three phenologically targeted visits at more than 1200 pre-selected sites. In total, over 180 000 individuals belonging to 97 species were recorded. We compare the resulting distribution maps with historical records, and discuss changes in the species' distribution. We conclude that, within the time frame of century, the changes in the Estonian butterfly fauna were moderate. For about 75% of species, there was no conclusive evidence of a change in distribution or abundance. In case of the remaining 25%, there were more butterfly species with an increasing rather than a decreasing trend in abundance and/or distribution. Some but not all of those changes could be associated with ongoing climate change. The decline of several dry-meadow specialists can be regarded as the most urgent conservation concern.
期刊介绍：
Annales Zoologici Fennici publishes mainly original research reports, but also in-depth reviews and commentaries on all aspects of animal ecology and evolution, and fields related to them. Our aim is to promote papers which focus on the interactions among various components in the past and present environments by using integrative and cross-disciplinary approaches. This may be achieved by employing tools from different fields of research, such as (but not restricted to):
ecology and paleoecology,
molecular ecology and phylogeography,
conservation biology, human-induced contemporary evolution and wildlife management,
animal behaviour and interactions (including recognition systems and mechanisms),
paleontology (except systematics and taxonomy) and evolution,
bioenergetics.
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