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Environmental and seasonal correlates of capercaillie movement traits in a Swedish wind farm

Kaemmerle, Jim-Lino and Taubmann, Julia and Andren, Henrik and Fiedler, Wolfgang and Coppes, Joy (2021). Environmental and seasonal correlates of capercaillie movement traits in a Swedish wind farm. Ecology and Evolution. 11 , 11762-11773
[Research article]

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Abstract

Animals continuously interact with their environment through behavioral decisions, rendering the appropriate choice of movement speed and directionality an important phenotypic trait. Anthropogenic activities may alter animal behavior, including movement. A detailed understanding of movement decisions is therefore of great relevance for science and conservation alike. The study of movement decisions in relation to environmental and seasonal cues requires continuous observation of movement behavior, recently made possible by high-resolution telemetry. We studied movement traits of 13 capercaillie (Tetrao urogallus), a mainly ground-moving forest bird species of conservation interest, over two summer seasons in a Swedish windfarm using high-resolution GPS tracking data (5-min sampling interval). We filtered and removed unreliable movement steps using accelerometer data and step characteristics. We explored variation in movement speed and directionality in relation to environmental and seasonal covariates using generalized additive mixed models (GAMMs). We found evidence for clear daily and seasonal variation in speed and directionality of movement that reflected behavioral adjustments to biological and environmental seasonality. Capercaillie moved slower when more turbines were visible and faster close to turbine access roads. Movement speed and directionality were highest on open bogs, lowest on recent clear-cuts (<5 y.o.), and intermediate in all types of forest. Our results provide novel insights into the seasonal and environmental correlates of capercaillie movement patterns and supplement previous behavioral observations on lekking behavior and wind turbine avoidance with a more mechanistic understanding.

Authors/Creators:Kaemmerle, Jim-Lino and Taubmann, Julia and Andren, Henrik and Fiedler, Wolfgang and Coppes, Joy
Title:Environmental and seasonal correlates of capercaillie movement traits in a Swedish wind farm
Series Name/Journal:Ecology and Evolution
Year of publishing :2021
Volume:11
Page range:11762-11773
Number of Pages:12
Publisher:WILEY
ISSN:2045-7758
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
Keywords:GPS telemetry, grouse, HMM, movement speed, step analysis, step length, Tetrao urogallus
URN:NBN:urn:nbn:se:slu:epsilon-p-113270
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-113270
Additional ID:
Type of IDID
DOI10.1002/ece3.7922
Web of Science (WoS)000681394400001
ID Code:25349
Faculty:S - Faculty of Forest Sciences
Deposited By: SLUpub Connector
Deposited On:15 Sep 2021 12:25
Metadata Last Modified:15 Sep 2021 12:31

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