The DOI matches its Crossref record; 41 of the 44 references it cites were found in a registry or an index.
FOOD AVAILABILITY AND TIGER SHARK PREDATION RISK INFLUENCE BOTTLENOSE DOLPHIN HABITAT USE
Abstract
Although both food availability and predation risk have been hypothesized to affect dolphin habitat use and group size, no study has measured both factors concurrently to determine their relative influences. From 1997 to 1999, we investigated the effect of food availability and tiger shark (Galeocerdo cuvier) predation risk on bottlenose dolphin (Tursiops aduncus) habitat use and group size in Shark Bay, Western Australia. Food availability was measured by fish trapping, while predation risk was assessed by shark catch rates, acoustic tracks, and Crittercam deployments. Dolphin habitat use was determined using belt transects. The biomass of dolphin prey did not vary seasonally and was significantly greater in shallow habitats than in deeper ones. Tiger sharks were virtually absent during cold months of 1997 and 1998, abundant in warm months of all years, and found at an intermediate density during cold months of 1999. When present, shark density was highest in shallow habitats. Decreased echolocation efficiency in very shallow water and poor visual detection of tiger sharks (camouflaged over seagrass) probably further enhance the riskiness of such habitats, and the relative riskiness of shallow habitats is supported by the observation that dolphins select deep waters in which to rest. The observed dolphin group sizes were consistent with a food–safety trade‐off. Groups were larger in more dangerous shallow habitats and larger during resting than during foraging. Foraging dolp…
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“Many prey species alter their use of habitats in response to predation risk, trading a reduction in forage quality or quantity for increased security (Abramsky 1996, Heithaus andDill 2002).”
From ELK ALTER HABITAT SELECTION AS AN ANTIPREDATOR RESPONSE TO WOLVES (2005) · cites this paper as Heithaus and Dill 2002
Citations
Cites
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Self-citationPredation, apparent competition, and the structure of prey communities
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BackgroundOntogenetic Habitat Shifts in Bluegill: The Foraging Rate‐Predation Risk Trade‐off
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3 of the 44 references couldn’t be matched to a known paper.
Research works printed but not linked: 2
- G. J. Marshall, 1998 .Crittercam: an animal-borne imaging and data logging system .Marine Technology Society Journal,32:11 -17 .
- K. S. Norris, and T. P. Dohl .1980a.Behavior of the Hawaiian spinner dolphin,Stenella longirostris.U.S .Fishery Bulletin,77:821 -849 .
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Predator interactions, mesopredator release and biodiversity conservation.
Ritchie, E. G., & Johnson, C. N. (2009) · Ecology Letters · doi:10.1111/j.1461-0248.2009.01347.x · Cited by 1,375
Predicting ecological consequences of marine top predator declines
Heithaus, M. R., Frid, A., Wirsing, A. J., & Worm, B. (2008) · Trends in Ecology & Evolution · doi:10.1016/j.tree.2008.01.003 · Cited by 1,428
Self-citationELK ALTER HABITAT SELECTION AS AN ANTIPREDATOR RESPONSE TO WOLVES
Creel, S., Winnie, J., Maxwell, B., Hamlin, K., & Creel, M. (2005) · Ecology · doi:10.1890/05-0032 · Cited by 774
Nagelkerken, I., & Munday, P. L. (2015) · Global Change Biology · doi:10.1111/gcb.13167 · Cited by 411
Creel, S., & Winnie, J. A. (2005) · Animal Behaviour · doi:10.1016/j.anbehav.2004.07.022 · Cited by 338
Metadata
- Authors
- Heithaus, M. R., & Dill, L. M.
- Affiliations
- Simon Fraser University (CA)
- Corresponding author
- Heithaus, Michael R.
- ORCID
- Heithaus, Michael R.
- Venue
- Ecology
- Publisher
- Wiley
- Published
- 2002-02
- Volume
- 83
- Issue
- 2
- Pages
- 480-491
- ISSN
- 0012-9658 (ISSN-L)
- OpenAlex
- W2124577949
- Cited by
- 544
- References
- 44
- Citations by year
- 2026: 9 · 2025: 12 · 2024: 20 · 2023: 15 · 2022: 24 · 2021: 31 · 2020: 35 · 2019: 36 · 2018: 29 · 2017: 30 · 2016: 35 · 2015: 29 · 2014: 37 · 2013: 26 · 2012: 38
- FWCI
- 10.22
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Ecology (publishedVersion)
- Funders
- National Geographic Society
- Topics
- Physical Sciences › Environmental Science › Ecology › Marine animal studies overview
- Physical Sciences › Environmental Science › Ecology › Wildlife Ecology and Conservation
- Physical Sciences › Environmental Science › Nature and Landscape Conservation › Ichthyology and Marine Biology
- Keywords
- Tursiops truncatus, Tursiops aduncus, tiger shark, habitat use, predation risk, food availability, group size, Shark Bay, foraging behavior, resting behavior, predator-prey interactions, seasonal variation, seagrass habitat, echolocation
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