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Peer-reviewedCC BYGlobal ecology and conservation

Climate sensitivity effects on tropical bat ecology

  • Prateep Duengkae1,2
  • Luis E. Escobar3
  • Warong Suksavate1
  • Aingorn Chaiyes2,4
  • Kornsorn Srikulnath1,2
  • Supaporn Wacharapluesadee5
  • Somchai Panphuangkaew6
  • Kevin J. Olival7
  • Emma V. Willcox8
  • Praewa Mahaphol1
  • Paanwaris Paansri3
8 affiliations
  1. 1Special Research Unit for Wildlife Genomics (SRUWG), Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok, 10900, Thailand
  2. 2Animal Genomics and Bioresource Research Unit (AGB Research Unit), Faculty of Science, Kasetsart University, Bangkok, 10900, Thailand
  3. 3Department of Fish and Wildlife Conservation, Virginia Tech, Blacksburg, VA, 24061, United States
  4. 4The International Undergraduate Program in Bioscience and Technology, Faculty of Science, Kasetsart University, Bangkok, 10900, Thailand
  5. 5Thai Red Cross Emerging Infectious Diseases Clinical Center, King Chulalongkorn Memorial Hospital, Bangkok, 10330, Thailand
  6. 6Department of National Parks, Wildlife and Plant Conservation, Bangkok, 10900, Thailand
  7. 7College of Tropical Agriculture and Human Resilience, University of Hawaiʻi at Mānoa, Honolulu, HI, 96822, United States
  8. 8School of Natural Resources, University of Tennessee, Knoxville, TN, 37996, United States
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Abstract

Tropical ecosystems are highly sensitive to climatic variation, yet biological responses to climate fluctuations often emerge after substantial temporal lags. Insectivorous bats are useful sentinels of climatic dynamics due to their high metabolic demands and reliance on weather-sensitive insect prey. We quantified the extent to which weather variation correlated with the short-term behavioral and long-term foraging responses of a large wrinkle-lipped free-tailed bat (Mops plicatus) colony in Thailand. As response variables, we used a nine-year dataset (2013–2021) of daily bat evening emergence times and a 22-year dataset (1998–2019) of monthly guano yields. As predictor variables, we used ERA5-Land reanalysis estimates of temperature and precipitation extracted from concentric ring buffers (0–10, 10–20, and 20–30 km) surrounding the bat colony. Sliding-window analysis showed that bat evening emergence time tracked sub-seasonal weather variation at lags of a few days to about three months. Preceding temperature and precipitation were associated with shifts in bat evening emergence timing. Monthly guano yield declined with elevated temperatures at lags of up to three months. Guano yield showed a sustained long-term decline of 56.62% over two decades (seasonal Mann-Kendall Z = −11.585, p < 0.001). Behavioral response alone appeared insufficient to offset the decline in guano yield, which suggests that alternative factors influence guano production, including declines in prey availability, bat abundance, or foraging time. Our results show that increasing temperatures correlated with seasonally contrasting shifts in bat evening emergence time (later in April-May, earlier in September-October) and reduced guano production up to three months after warming periods occurred.

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Cite

BibTeXRIS
BibTeX
@article{duengkae2026climate,
  title = {{Climate sensitivity effects on tropical bat ecology}},
  author = {Prateep Duengkae and Luis E. Escobar and Warong Suksavate and Aingorn Chaiyes and Kornsorn Srikulnath and Supaporn Wacharapluesadee and Somchai Panphuangkaew and Kevin J. Olival and Emma V. Willcox and Praewa Mahaphol and Paanwaris Paansri},
  journal = {Global ecology and conservation},
  year = {2026},
  month = oct,
  doi = {10.1016/j.gecco.2026.e04471},
  url = {https://europepmc.org/article/PMC/PMC13730196},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Climate sensitivity effects on tropical bat ecology
AU  - Prateep Duengkae
AU  - Luis E. Escobar
AU  - Warong Suksavate
AU  - Aingorn Chaiyes
AU  - Kornsorn Srikulnath
AU  - Supaporn Wacharapluesadee
AU  - Somchai Panphuangkaew
AU  - Kevin J. Olival
AU  - Emma V. Willcox
AU  - Praewa Mahaphol
AU  - Paanwaris Paansri
PY  - 2026
DA  - 2026/10/13
JO  - Global ecology and conservation
DO  - 10.1016/j.gecco.2026.e04471
UR  - https://europepmc.org/article/PMC/PMC13730196
AB  - Tropical ecosystems are highly sensitive to climatic variation, yet biological responses to climate fluctuations often emerge after substantial temporal lags. Insectivorous bats are useful sentinels of climatic dynamics due to their high metabolic demands and reliance on weather-sensitive insect prey. We quantified the extent to which weather variation correlated with the short-term behavioral and long-term foraging responses of a large wrinkle-lipped free-tailed bat (Mops plicatus) colony in Thailand. As response variables, we used a nine-year dataset (2013–2021) of daily bat evening emergence times and a 22-year dataset (1998–2019) of monthly guano yields. As predictor variables, we used ERA5-Land reanalysis estimates of temperature and precipitation extracted from concentric ring buffers (0–10, 10–20, and 20–30 km) surrounding the bat colony. Sliding-window analysis showed that bat evening emergence time tracked sub-seasonal weather variation at lags of a few days to about three months. Preceding temperature and precipitation were associated with shifts in bat evening emergence timing. Monthly guano yield declined with elevated temperatures at lags of up to three months. Guano yield showed a sustained long-term decline of 56.62% over two decades (seasonal Mann-Kendall Z = −11.585, p < 0.001). Behavioral response alone appeared insufficient to offset the decline in guano yield, which suggests that alternative factors influence guano production, including declines in prey availability, bat abundance, or foraging time. Our results show that increasing temperatures correlated with seasonally contrasting shifts in bat evening emergence time (later in April-May, earlier in September-October) and reduced guano production up to three months after warming periods occurred.
SN  - 2351-9894
ER  -