Journal
CURRENT ZOOLOGY
Volume 61, Issue 6, Pages 966-971Publisher
CURRENT ZOOLOGY
DOI: 10.1093/czoolo/61.6.966
Keywords
Animal personality; Biological invasion; Climate change; Crawfish; Invasive species
Categories
Funding
- Talent Introduction Fund of Tianjin Normal University of China [5RL115]
- More Than One Thousand Talents Introduction within Three Years Fund of Tianjin City of China [5KQM110002]
Ask authors/readers for more resources
Climate change, such as elevated temperatures, may facilitate biological invasion. Aquatic animal systems are more vulnerable to biological invasion when the temperature rises. Animal personality also plays an important role in the possibility of successful establishment of invasive species. However, it is still unclear how personality traits of invasive species will respond to global warming. This study focuses on juveniles of red swamp crawfish Procambarus clarkii, an invasive poikilothermic species with wide distribution throughout the world, and explores how slight temperature increases influence three personality traits (activity, boldness and aggressiveness) of P. clarkii. For each personality, individual variation is to be presented in condition of the same temperature. Individual personality values can significantly increase with the subtle rising of water temperature. Significant correlations among activity, boldness and aggressiveness are found at any temperature stage, and such relationships are maintained at a similar level in the face of different temperatures. It is most likely that significant expressions of personality traits may be an ecological compensation strategy to offset increased metabolic costs when faced with small temperature increases. Aggression syndromes are formed due to stable linkages between personality traits, in order to acquire allopatric resources efficiently and establish a new population in this species.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available