Isotopic assessment of marine food consumption by natural‐foraging chacma baboons on the Cape Peninsula, South Africa
Bibliographic Data
| ID | 8317892 |
|---|---|
| Authors | Matthew C Lewis (0000-0002-3460-7180, Department of Biological Sciences University of Cape Town, Rondebosch, 7701 South Africa, corresponding author), Adam G West (0000-0002-9352-9282, Department of Biological Sciences University of Cape Town, Rondebosch, 7701 South Africa), M Justin O''Riain (0000-0001-5233-8327, Institute for Communities and Wildlife in Africa, Department of Biological Sciences, University of Cape Town Rondebosch, 7701 South Africa) |
| Year | 2018 |
| Volume | 165 |
| Issue | 1 |
| Pages | 77-93 |
| Publication date | 2018-01-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | American Journal of Physical Anthropology (JOURNAL) |
| Journal identifiers | ISSN: 0002-9483 • E-ISSN: 1096-8644 |
| Publisher | Wiley (PUBLISHER • GB) |
| DOI | 10.1002/ajpa.23332 |
| PMID | 29076130 |
| OpenAlex | W2766604583 |
| Language | EN |
| Citations received | 4 |
| References cited | 158 |
Objectives Stable isotope analysis has been used to investigate consumption of marine resources in a variety of terrestrial mammals, including humans, but not yet in extant nonhuman primates. We sought to test the efficacy of stable isotope analysis as a tool for such studies by comparing isotope‐ and observation‐based estimates of marine food consumption by a troop of noncommensal, free‐ranging chacma baboons. Materials and methods We determined δ 13 C and δ 15 N values of baboon hair ( n = 9) and fecal samples ( n = 144), and principal food items ( n = 362). These values were used as input for diet models, the outputs of which were compared to observation‐based estimates of marine food consumption. Results Fecal δ 13 C values ranged from −29.3‰ to −25.6‰. δ 15 N values ranged from 0.9‰ to 6.3‰ and were positively correlated with a measure of marine foraging during the dietary integration period. Mean (± SD) δ 13 C values of adult male and female baboon hairs were −21.6‰ (± 0.1) and −21.8‰ (± 0.3) respectively, and corresponding δ 15 N values were 5.0‰ (± 0.3) and 3.9‰ (± 0.2). Models indicated that marine contributions were ≤10% of baboon diet within any season, and contributed ≤17% of dietary protein through the year. Discussion Model output and observational data were in agreement, both indicating that despite their abundance in the intertidal region, marine foods comprised only a small proportion of baboon diet. This suggests that stable isotope analysis is a viable tool for investigating marine food consumption by natural‐foraging primates in temperate regions
Archaeology · Biology · Cape · Consumption (sociology) · Fishery · Food consumption · Foraging · Geography · Natural (archaeology) · Natural food · Peninsula · Archaeology and ancient environmental studies · Ecology · Isotope Analysis in Ecology · Pacific and Southeast Asian Studies
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| Unique citing works | 4 |
|---|---|
| Citations per year | 0,57 |
| Citation span | 2019 - 2024 (6) |
| Citation velocity | recent |
| Highly cited | No |
| Citation types | Neutral: 3 |