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Cited by 98Wildlife Ecology and ConservationWildlife-Road Interactions and ConservationRangeland and Wildlife Management

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Temporal variation in resource selection of African elephants follows long‐term variability in resource availability

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Tsalyuk, Miriam, Kilian, Werner, Reineking, Björn, Getz, Wayne Marcus·2019·Ecological Monographs
DOI 10.1002/ecm.1348
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Abstract

The relationship between resource availability and wildlife movement patterns is pivotal to understanding species behavior and ecology. Movement response to landscape variables occurs at multiple temporal scales, from sub‐diurnal to multiannual. Additionally, individuals may respond to both current and past conditions of resource availability. In this paper, we examine the temporal scale and variation of current and past resource variables that affect movement patterns of African elephants ( Loxodonta africana ) using sub‐hourly movement data from GPS ‐ GSM collared elephants in Etosha National Park, Namibia. We created detailed satellite‐based spatiotemporal maps of vegetation biomass, as well as distance from surface water, road and fence. We used step selection functions to measure the relative importance of these landscape variables in determining elephants’ local movement patterns. We also examined how elephants respond to information, in locations they have previously visited, on productivity integrated over different temporal scales: from current to historical conditions. Our results demonstrate that elephants choose patches with higher than average annual productivity and grass biomass, but lower tree biomass. Elephants also prefer to walk close to water, roads, and fences. These preferences vary with time of day and with season, thereby providing insights into diurnal and seasonal behavioral patterns and the ecological importance of the landscape variables examined. We also discovered that elephants respond more strongly to long‐term patterns of productivity than to immediate forage conditions, in familiar locations. Our results illustrate how animals with high cognitive capacity and spatial memory integrate long‐term information on landscape conditions. We illuminate the importance of long‐term high temporal resolution satellite imagery to understanding the relationship between movement patterns and landscape structure.

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  • The only three studies that directly investigate memory in wild elephants were conducted on African savanna elephants.

    “Indeed, to our knowledge, the only three studies that directly investigate memory in wild elephants were conducted on African savanna elephants (Polansky et al., 2015; Presotto et al., 2019; Tsalyuk et al., 2019).”

    From Do elephants really never forget? What we know about elephant memory and a call for further investigation (2025) · cites this paper as Tsalyuk et al., 2019

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Metadata

Authors
Tsalyuk, M., Kilian, W., Reineking, B., & Getz, W. M.
Affiliations
  • University of California, Berkeley (US)
  • Etosha Ecological Institute (NA)
  • Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (FR)
  • University of KwaZulu-Natal (ZA)
Corresponding author
Tsalyuk, Miriam
ORCID
Venue
Ecological Monographs
Publisher
Wiley
Published
2019-01-29
Volume
89
Issue
2
Pages
19
ISSN
  • 0012-9615 (ISSN-L)
  • 1557-7015
DOI
10.1002/ecm.1348
OpenAlex
W2905657534
Cited by
98
References
113
Citations by year
2026: 7 · 2025: 28 · 2024: 15 · 2023: 10 · 2022: 12 · 2021: 16 · 2020: 7 · 2019: 3
FWCI
6.03
Type
journal article
Language
en
Open access
Licence
onlinelibrary.wiley.com/termsAndConditions#vor (vor)
Locations
  • Ecological Monographs (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
  • HAL (submittedVersion)
  • Cemadoc (Cemagref / IRSTEA) (submittedVersion)
Funders
  • Center for Emerging and Neglected Diseases
  • Andrew and Mary Thomson Rocca Dissertation Research Fellowship
Topics
  • Physical Sciences › Environmental Science › Ecology › Wildlife Ecology and Conservation
  • Physical Sciences › Environmental Science › Ecology › Wildlife-Road Interactions and Conservation
  • Physical Sciences › Environmental Science › Ecology › Rangeland and Wildlife Management
Keywords
Loxodonta africana, resource selection, animal movement, temporal variation, plant biomass, step selection function, seasonal movement, spatial memory, landscape variables, Etosha National Park

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