Greater physiological resistance to heat may favour an invasive freshwater turtle, enabling it to outcompete native species in a changing climate
Bibliographic record
Abstract
Abstract Climate warming and biological invasion can interact to affect ecosystems, and the results of such interactions depend on whether invaders show physiological advantages in their responses to warming environments as compared with native species after the establishment and local adaptation. However, it has rarely been evaluated. The present study compared the heat tolerance of a globally invasive turtle, the red‐eared slider Trachemys scripta elegans, and two co‐occurring native turtle species in China, the Chinese soft‐shelled turtle Pelodiscus sinensis and Chinese pond turtle Mauremys reevesii, after acclimation in the same thermal environment. The expression patterns of heat shock factor 1 (HSF1), multiple heat shock proteins (HSPs) and telomere reverse transcriptase (TERT), and changes in relative telomere length (RTL) were then evaluated in liver and muscle of turtles under thermal stress. The results showed that T. scripta elegans had greater physiological resistance to heat than the co‐occurring native turtle species, and that this higher tolerance was accompanied by a higher temperature induction of the peak expression of inducible HSPs in liver and a higher onset temperature for the main inducible HSPs in muscle. During thermal stress, T. scripta elegans showed a better ability to maintain the expression levels of TERT under extremely hot conditions, whereas high temperatures inhibited TERT in muscles of native turtle species. Meanwhile, thermal stress did not cause telomere erosion in any of the three turtle species and some treatments can lead to slightly longer telomeres in T. scripta elegans or M. reevesii. Overall, the invasive turtle species showed higher heat tolerance and physiological advantages in enduring hot weather in comparison to the co‐occurring native turtle species. This may favour these invaders in situations of climate warming. Our study highlights the role of physiological adaptations displayed by invaders in achieving advantages over native species under climate change.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".