Hippopotamus (H. amphibius) diet change indicates herbaceous plant encroachment following megaherbivore population collapse Article Swipe
Kendra L. Chritz
,
Scott A. Blumenthal
,
Thure E. Cerling
,
Hans Klingel
·
YOU?
·
· 2016
· Open Access
·
· DOI: https://doi.org/10.1038/srep32807
YOU?
·
· 2016
· Open Access
·
· DOI: https://doi.org/10.1038/srep32807
Megaherbivores (>1000 kg) are critical for ecosystem health and function, but face population collapse and extinction globally. The future of these megaherbivore-impoverished ecosystems is difficult to predict, though many studies have demonstrated increasing representation of C 3 woody plants. These studies rely on direct observational data, however, and tools for assessing decadal-scale changes in African ecology without observation are lacking. We use isotopic records of historical common hippopotamus ( Hippopotamus amphibius ) canines to quantify herbaceous vegetation change in Queen Elizabeth National Park, Uganda following a period of civil unrest and poaching. This poaching event led to population collapse of two threatened African megaherbivore species: hippopotamus and African elephants ( Loxodonta africana ). Serial carbon isotope ratios (δ 13 C) in canine enamel from individuals that lived between 1960–2000 indicated substantial increases in C 3 herbaceous plants in their diet (<20% C 3 in the 1960s to 30–45% C 3 in the 80s and 90s), supported by other observational and ecological data. These data indicate megaherbivore loss results in succession of both woody and herbaceous C 3 vegetation and further reaching effects, such as decreased grazing capacity and herbivore biodiversity in the area. Given multiple lines of evidence, these individuals appear to accurately capture herbaceous vegetation change in Mweya.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1038/srep32807
- https://www.nature.com/articles/srep32807.pdf
- OA Status
- gold
- Cited By
- 22
- References
- 52
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W2518907975
All OpenAlex metadata
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https://openalex.org/W2518907975Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1038/srep32807Digital Object Identifier
- Title
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Hippopotamus (H. amphibius) diet change indicates herbaceous plant encroachment following megaherbivore population collapseWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2016Year of publication
- Publication date
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2016-09-12Full publication date if available
- Authors
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Kendra L. Chritz, Scott A. Blumenthal, Thure E. Cerling, Hans KlingelList of authors in order
- Landing page
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https://doi.org/10.1038/srep32807Publisher landing page
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https://www.nature.com/articles/srep32807.pdfDirect link to full text PDF
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
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https://www.nature.com/articles/srep32807.pdfDirect OA link when available
- Concepts
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Hippopotamus, Ecology, Population, Vegetation (pathology), Biology, Ecosystem, Herbaceous plant, Geography, Demography, Medicine, Sociology, PathologyTop concepts (fields/topics) attached by OpenAlex
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22Total citation count in OpenAlex
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2025: 3, 2024: 3, 2023: 5, 2022: 2, 2021: 1Per-year citation counts (last 5 years)
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52Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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