Siberian plants shift their phenology in response to climate change
نویسندگان
چکیده
Siberia has undergone dramatic climatic changes due to global warming in recent decades. Yet, the ecological responses these are still poorly understood a lack of data. Here, we use unique data set from Russian ‘Chronicles Nature’ network analyse long-term (1976–2018) phenological shifts leaf out, flowering, fruiting and senescence 67 common Siberian plant species. We find that boreal forest plants advanced their early season (leaf out flowering) mid-season (fruiting) phenology by −2.2, −0.7 −1.6 days/decade, delayed onset 1.6 days/decade during this period. These mean values, however, subject substantial intraspecific variability, which is partly explained plants' growth forms. Trees shrubs flowering (−3.1 −3.3. days/decade) faster than herbs (−1 day/decade), presumably more direct exposure flower buds ambient air for woody vegetation. For senescence, detected reverse pattern: stronger delays (2.1 (1.0–1.2 days/decade), effects autumn frosts on leaves herbs. Interestingly, timing all four forms at similar paces, 1.4 1.7 trees Our findings point strong, yet heterogeneous, response warming. Furthermore, results highlight species- form-specific differences among study species could be used identify particularly risk decline low adaptive capacity or loss synchronization with important interaction partners.
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ژورنال
عنوان ژورنال: Global Change Biology
سال: 2021
ISSN: ['1365-2486', '1354-1013']
DOI: https://doi.org/10.1111/gcb.15744