Reference - Detail
| RRC ID | 81609 |
|---|---|
| Author | Jin L, Jiang Y, Han L, Luan X, Liu X, Liao W. |
| Title | Big-brained alien birds tend to occur climatic niche shifts through enhanced behavioral innovation. |
| Journal | Integr Zool |
| Abstract |
Identifying climatic niche shift and its influencing factors is of great significance in predicting the risk of alien species invasions accurately. Previous studies have attempted to identify the factors related to the niche shift of alien species in their invaded ranges, including changes in introduction history, selection of exact climate predictors, and anthropogenic factors. However, the effect of species-level traits on niche shift remains largely unexplored, especially those reflecting the species' adaptation ability to new environments. Based on the occurrence data of 117 successful alien bird invaders at a global scale, their native and invaded climatic niches were compared, and the potential influencing factors were identified. Our results show the niche overlap was low, with more than 75% of the non-native birds representing climatic niche shift (i.e. >10% niche expansion). In addition, 85% of the species showed a large proportion (mean ± SD, 39% ± 21%) of niche unfilling. Relative brain size (RBS) after accounting for body size had no direct effect on niche shift, but path analysis showed that RBS had an indirect effect on niche shift by acting on behavioral innovation primarily on technical innovation rather than consumer innovation. These findings suggested the incorporation of species' important behavioral adaptation traits may be promising to develop future prediction frameworks of biological invasion risk in response to the continued global change. |
| Published | 2024-6-13 |
| DOI | 10.1111/1749-4877.12861 |
| Description | J-OBIS data were referenced. NIES data were referenced. BiodiC-J data were referenced. |
| PMID | 38872346 |
| MeSH | Animals Behavior, Animal* / physiology Birds* / anatomy & histology Birds* / physiology Brain* / anatomy & histology Climate* Climate Change* Ecosystem* Introduced Species* |
| Resource | |
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