Woody encroachment of grasslands: Near‐surface thermal implications assessed through the lens of an astronomical event

Tanner, Evan P.; Fuhlendorf, Samuel D.; Polo, John A.; Peterson, Jacob M.

doi:10.1002/ece3.8043

Cited by 2 publications

(1 citation statement)

References 83 publications

(127 reference statements)

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“…To understand the thermal landscape, we used iButtons (model DS1925L) as thermal loggers to monitor near-surface temperatures across different vegetation cover types and in different locations across our time-since-fire gradient (Figure S7). iButtons were deployed on days without precipitation to avoid rain interfering with readings, and were not covered by any type of container so that temperature readings could be influenced by solar radiation and wind to a better approximate the operative temperature that an organism would experience (Tanner et al, 2021). We collected 11,031 iButton temperature readings at 15-min intervals during daylight hours from 94 total iButtons including 18 placed in eastern redcedar (2117 readings), 23 in deciduous forest (2536 readings), 29 in grasslands (3376 readings), and 24 in shrublands (3002 readings).…”

Section: Thermal Loggers On the Landscapementioning

confidence: 99%

Fire management alters the thermal landscape and provides multi‐scale thermal options for a terrestrial turtle facing a changing climate

Robertson

Tanner

Elmore

et al. 2021

Global Change Biology

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As effects of climate change intensify, there is a growing need to understand the thermal properties of landscapes and their influence on wildlife. A key thermal property of landscapes is vegetation structure and composition. Management approaches can alter vegetation and consequently the thermal landscape, potentially resulting in underappreciated consequences for wildlife thermoregulation. Consideration of spatial scale can clarify how management overlaid onto existing vegetation patterns affects thermal properties of landscapes relevant to wildlife. We examined effects of temperature, fire management, and vegetation structure on multi-scale habitat selection of an ectothermic vertebrate (the turtle Terrapene carolina triunguis) in the Great Plains of the central United States by linking time-since-fire data from 18 experimental burn plots to turtle telemetry locations and thermal and vegetation height data. Within three 60-ha experimental landscapes, each containing six 10-ha sub-blocks that are periodically burned, we found that turtles select time-since-fire gradients differently depending on maximum daily ambient temperature. At moderate temperatures, turtles selected sub-blocks with recent (<1 year) time-since-fire, but during relatively hot and cool conditions, they selected sub-blocks with later (2-3 year) time-since-fire that provided thermal buffering compared with recently burned sub-blocks. Within 10-ha sub-blocks, turtles selected locations with taller vegetation during warmer conditions that provided thermal buffering. Thermal performance curves revealed that turtle activity declined as temperatures exceeded ~24-29°C, and on "heat days" (≥29°C) 73% of turtles were inactive compared with 37% on non-heat days, emphasizing that thermal extremes may lead to opportunity costs (i.e., foregone benefits turtles could otherwise accrue if active). Our results indicate that management approaches that promote a mosaic of vegetation heights, like spatiotemporally dynamic fire, can provide thermal refuges at multiple spatial scales and thus be an actionable way to provide wildlife with multiple thermal options in the context of ongoing and future climate change.

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Section: Thermal Loggers On the Landscapementioning

confidence: 99%

Fire management alters the thermal landscape and provides multi‐scale thermal options for a terrestrial turtle facing a changing climate

Robertson

Tanner

Elmore

et al. 2021

Global Change Biology

Self Cite

View full text Add to dashboard Cite

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Using fiber-optic distributed temperature sensing in fisheries applications: An example from the Ozark Highlands

Wolf

Swedberg²,

Tanner³

et al. 2023

Fisheries Research

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Woody encroachment of grasslands: Near‐surface thermal implications assessed through the lens of an astronomical event

Abstract: This is an open access article under the terms of the Creat ive Commo ns Attri bution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 2 publications

References 83 publications

Fire management alters the thermal landscape and provides multi‐scale thermal options for a terrestrial turtle facing a changing climate

Fire management alters the thermal landscape and provides multi‐scale thermal options for a terrestrial turtle facing a changing climate

Using fiber-optic distributed temperature sensing in fisheries applications: An example from the Ozark Highlands

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