Did Panthera pardus (Linnaeus, 1758) become extinct in Sumatra because of competition for prey? Modeling interspecific competition within the Late Pleistocene carnivore guild of the Padang Highlands, Sumatra

Volmer, Rebekka; Hölzchen, Ericson; Wurster, Alexia; Ferreras, Maria Rebecca; Hertler, Christine

doi:10.1016/j.palaeo.2017.08.032

Cited by 10 publications

(8 citation statements)

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“…Abundance and diversity of suitable prey are important for the co-existence of tigers and leopards (Karanth & Sunquist, 1995; Andheria et al, 2007). Historical overhunting of prey in the forest complex could have driven competitive exclusion of leopards by tigers or other carnivores (Harihar et al, 2011; Volmer et al, 2017). Direct hunting by humans may have also driven population declines.…”

Section: Discussionmentioning

confidence: 99%

Opportunity for Thailand's forgotten tigers: assessment of the Indochinese tiger Panthera tigris corbetti and its prey with camera-trap surveys

Ash

Kaszta

Noochdumrong³

et al. 2020

Oryx

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Dramatic population declines threaten the Endangered Indochinese tiger Panthera tigris corbetti with extinction. Thailand now plays a critical role in its conservation, as there are few known breeding populations in other range countries. Thailand's Dong Phayayen-Khao Yai Forest Complex is recognized as an important tiger recovery site, but it remains poorly studied. Here, we present results from the first camera-trap study focused on tigers and implemented across all protected areas in this landscape. Our goal was to assess tiger and prey populations across the five protected areas of this forest complex, reviewing discernible patterns in rates of detection. We conducted camera-trap surveys opportunistically during 2008–2017. We recorded 1,726 detections of tigers in 79,909 camera-trap nights. Among these were at least 16 adults and six cubs/juveniles from four breeding females. Detection rates of both tigers and potential prey species varied considerably between protected areas over the study period. Our findings suggest heterogeneity in tiger distribution across this relatively continuous landscape, potentially influenced by distribution of key prey species. This study indicates that the Dong Phayayen-Khao Yai Forest Complex is one of the few remaining breeding locations of the Indochinese tiger. Despite limitations posed by our study design, our findings have catalysed increased research and conservation interest in this globally important population at a critical time for tiger conservation in South-east Asia.

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Section: Discussionmentioning

confidence: 99%

Opportunity for Thailand's forgotten tigers: assessment of the Indochinese tiger Panthera tigris corbetti and its prey with camera-trap surveys

Ash

Kaszta

Noochdumrong³

et al. 2020

Oryx

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“…Several researchers, including one present author, have treated each of the Sibrambang and Djambu assemblages as representing a single palaeocommunity for the purposes of palaeoecological analyses (e.g. Volmer et al 2017). On one hand, the results presented here do not invalidate this treatment-at each site, there is an assemblage of fauna that were found together over a finite period, even if that period cannot yet be precisely bracketed.…”

Section: Discussionmentioning

confidence: 99%

Quaternary Palaeontology and Archaeology of Sumatra

2024

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Work in the field would not have been possible without the support and cooperation of staff and students from Institut Teknologi Bandung, Indonesia, who have been instrumental in these projects' palaeontology field programs, which were initiated in 2015 and have continued ever since. In particular, deep gratitude is expressed to Drs Jahdi Zaim, Yan Rizal, Aswan, Mika Rizki Puspaningrum and Agus Tri Hascaryo for their assistance in the laboratory and the field. We also thank them for their valuable assistance in translating the chapter abstracts for this volume.Finally, we thank the following for their assistance in publishing this volume: the two anonymous reviewers, who provided detailed and constructive comments that helped improve all the chapters in this volume; Sue O'Connor, the editor of the Terra Australis series; the College of Asia and the Pacific; and ANU Press.

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“…Wilkinson and O'Regan (2003) suggested that life history traits, specifically the leopard's smaller litter size and shorter reproductive life relative to the tiger, were key factors explaining the absence of leopards on Indonesian islands such as Sumatra. Volmer et al (2017) used agent-based modelling to examine the extinction of the leopard on Sumatra, concluding that the leopard could have been driven to extinction by competition from other carnivores, specifically from two medium-sized cats and the Asiatic wild dog. Our data indicates that the leopard persisted on Sumatra from the Middle Pleistocene (>500 ka) until at least the MIS 4 (76-59 ka) deposits of Lida Ajer.…”

Section: Discussionmentioning

confidence: 99%

“…Several researchers, including one present author, have treated each of the Sibrambang and Djambu assemblages as representing a single palaeocommunity for the purposes of palaeoecological analyses (e.g. Bacon et al 2015;Louys 2012;Volmer et al 2017). On one hand, the results presented here do not invalidate this treatment-at each site, there is an assemblage of fauna that were found together over a finite period, even if that period cannot yet be precisely bracketed.…”

Section: Discussionmentioning

confidence: 99%

Geochronology and palaeoenvironments of Sibrambang and Djambu caves, western Sumatra

Louys,

Price,

Higgins

et al. 2024

Quaternary Palaeontology and Archaeology of Sumatra

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Fossils from Sibrambang and Djambu, two sites in the Padang Highlands, were collected by Dubois in the late 1880s. These collections, alongside the deposits from Lida Ajer, have for over 100 years been our only insights into the Pleistocene mammalian history of Sumatra. Despite their importance, their chronological context has remained elusive. Here, we provide the first direct dates of fossils from Sibrambang and Djambu. Uranium-thorium series dating indicates that it is likely that the fossils from Djambu were derived from at least three periods: (1) >500 ka (beyond or close to the limit of the applied dating technique); (2) close to 85 ka (but not younger); and (3) close to 38 ka (but not younger). Sibrambang, too, has a mix of fossils with different ages, and it is hard to say how many distinct time intervals may be present. Conservatively, there are at least two:(1) >149 ka; and (2) >55 ka (but not younger than that). Stable carbon and oxygen isotope analyses of fossils from both sites indicate largely rainforest conditions during this period, except for one elephant specimen (>500 ka), which is reconstructed here as a mixed feeder. These data, combined with previous studies, hint at more open environments in Sumatra during (periods of ) the Middle Pleistocene, although significantly more data will be required to confirm this. Our results have implications for previous palaeoecological analyses involving these sites, as well as for the taxonomy of fossil orangutan (Pongo).

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Did Panthera pardus (Linnaeus, 1758) become extinct in Sumatra because of competition for prey? Modeling interspecific competition within the Late Pleistocene carnivore guild of the Padang Highlands, Sumatra

Cited by 10 publications

References 72 publications

Opportunity for Thailand's forgotten tigers: assessment of the Indochinese tiger Panthera tigris corbetti and its prey with camera-trap surveys

Opportunity for Thailand's forgotten tigers: assessment of the Indochinese tiger Panthera tigris corbetti and its prey with camera-trap surveys

Quaternary Palaeontology and Archaeology of Sumatra

Geochronology and palaeoenvironments of Sibrambang and Djambu caves, western Sumatra

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