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Cooke R, Sayol F, Andermann T, Blackburn TM, Steinbauer MJ, Antonelli A, Faurby S. Undiscovered bird extinctions obscure the true magnitude of human-driven extinction waves. Nat Commun 2023; 14:8116. [PMID: 38114469 PMCID: PMC10730700 DOI: 10.1038/s41467-023-43445-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 11/09/2023] [Indexed: 12/21/2023] Open
Abstract
Birds are among the best-studied animal groups, but their prehistoric diversity is poorly known due to low fossilization potential. Hence, while many human-driven bird extinctions (i.e., extinctions caused directly by human activities such as hunting, as well as indirectly through human-associated impacts such as land use change, fire, and the introduction of invasive species) have been recorded, the true number is likely much larger. Here, by combining recorded extinctions with model estimates based on the completeness of the fossil record, we suggest that at least ~1300-1500 bird species (~12% of the total) have gone extinct since the Late Pleistocene, with 55% of these extinctions undiscovered (not yet discovered or left no trace). We estimate that the Pacific accounts for 61% of total bird extinctions. Bird extinction rate varied through time with an intense episode ~1300 CE, which likely represents the largest human-driven vertebrate extinction wave ever, and a rate 80 (60-95) times the background extinction rate. Thus, humans have already driven more than one in nine bird species to extinction, with likely severe, and potentially irreversible, ecological and evolutionary consequences.
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Affiliation(s)
- Rob Cooke
- UK Centre for Ecology & Hydrology, Maclean Building, Crowmarsh Gifford, Wallingford, Oxfordshire, OX10 8BB, UK.
- Department of Biological and Environmental Sciences, University of Gothenburg, Box 463, SE-405 30, Göteborg, Sweden.
- Gothenburg Global Biodiversity Centre, Box 461, SE-405 30, Göteborg, Sweden.
| | - Ferran Sayol
- Department of Biological and Environmental Sciences, University of Gothenburg, Box 463, SE-405 30, Göteborg, Sweden
- Gothenburg Global Biodiversity Centre, Box 461, SE-405 30, Göteborg, Sweden
- CREAF, E08193 Bellaterra (Cerdanyola del Vallès), Catalonia, Spain
| | - Tobias Andermann
- Department of Organismal Biology, SciLifeLab, Uppsala University, Uppsala, Sweden
| | - Tim M Blackburn
- Centre for Biodiversity and Environment Research, Department of Genetics, Evolution and Environment, University College London, London, WC1E 6BT, UK
- Institute of Zoology, Zoological Society of London, Regent's Park, London, NW1 4RY, UK
| | - Manuel J Steinbauer
- Bayreuth Center of Ecology and Environmental Research (BayCEER) & Bayreuth Center of Sport Science (BaySpo), University of Bayreuth, 95447, Bayreuth, Germany
| | - Alexandre Antonelli
- Department of Biological and Environmental Sciences, University of Gothenburg, Box 463, SE-405 30, Göteborg, Sweden
- Gothenburg Global Biodiversity Centre, Box 461, SE-405 30, Göteborg, Sweden
- Royal Botanic Gardens Kew, Richmond, Surrey, TW9 3AE, UK
- Department of Biology, University of Oxford, Oxford, OX1 3RB, UK
| | - Søren Faurby
- Department of Biological and Environmental Sciences, University of Gothenburg, Box 463, SE-405 30, Göteborg, Sweden
- Gothenburg Global Biodiversity Centre, Box 461, SE-405 30, Göteborg, Sweden
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Verry AJF, Lubbe P, Mitchell KJ, Rawlence NJ. Thirty years of ancient DNA and the faunal biogeography of Aotearoa New Zealand: lessons and future directions. J R Soc N Z 2022. [DOI: 10.1080/03036758.2022.2093227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Alexander J. F. Verry
- Otago Palaeogenetics Laboratory, Department of Zoology, University of Otago, Dunedin, New Zealand
- Centre for Anthropobiology and Genomics of Toulouse, Faculté de Médecine Purpan, Université de Toulouse, Université Paul Sabatier, Toulouse, France
| | - Pascale Lubbe
- Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - Kieren J. Mitchell
- Otago Palaeogenetics Laboratory, Department of Zoology, University of Otago, Dunedin, New Zealand
| | - Nicolas J. Rawlence
- Otago Palaeogenetics Laboratory, Department of Zoology, University of Otago, Dunedin, New Zealand
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Scarsbrook L, Verry AJF, Walton K, Hitchmough RA, Rawlence NJ. Ancient mitochondrial genomes recovered from small vertebrate bones through minimally destructive DNA extraction: phylogeography of the New Zealand gecko genus
Hoplodactylus. Mol Ecol 2022; 32:2964-2984. [DOI: 10.1111/mec.16434] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 03/04/2022] [Accepted: 03/14/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Lachie Scarsbrook
- Otago Paleogenetics Laboratory Department of Zoology University of Otago Dunedin New Zealand
| | - Alexander J. F. Verry
- Otago Paleogenetics Laboratory Department of Zoology University of Otago Dunedin New Zealand
| | - Kerry Walton
- Otago Paleogenetics Laboratory Department of Zoology University of Otago Dunedin New Zealand
| | | | - Nicolas J. Rawlence
- Otago Paleogenetics Laboratory Department of Zoology University of Otago Dunedin New Zealand
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Greig K, Rawlence NJ. The Contribution of Kurī (Polynesian Dog) to the Ecological Impacts of the Human Settlement of Aotearoa New Zealand. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.757988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
The pre-human Aotearoa New Zealand fauna was dominated by avian and reptilian species. Prior to first human settlement by East Polynesian colonists, the top predators were two giant raptorial birds. Aside from humans themselves, colonisation also resulted in the simultaneous introduction of two novel mammalian predators into this naive ecosystem, the kiore (Pacific rat) and kurī (Polynesian dog). While the ecological impacts of kiore are relatively well understood, those of kurī are difficult to assess, and as such kurī have frequently been disregarded as having any meaningful impact on New Zealand’s biodiversity. Here we use the archaeological and palaeoecological record to reassess the potential impacts of kurī on this ecosystem. We argue that far from being confined to villages, kurī could have had a significant widespread but relatively localised impact on New Zealand’s avian, reptilian and marine mammal (seals and sea lions) fauna as a novel predator of medium-sized species. In this way, kurī potentially amplified the already significant impacts of Polynesian colonists and their descendants on New Zealand’s ecosystem, prior to European arrival. As such, kurī should be included in models of human impact in addition to over-hunting, environmental modification and predation by kiore.
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Scarsbrook L, Sherratt E, Hitchmough RA, Rawlence NJ. Skeletal variation in extant species enables systematic identification of New Zealand's large, subfossil diplodactylids. BMC Ecol Evol 2021; 21:67. [PMID: 33906608 PMCID: PMC8080345 DOI: 10.1186/s12862-021-01808-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 04/23/2021] [Indexed: 11/17/2022] Open
Abstract
New Zealand’s diplodactylid geckos exhibit high species-level diversity, largely independent of discernible osteological changes. Consequently, systematic affinities of isolated skeletal elements (fossils) are primarily determined by comparisons of size, particularly in the identification of Hoplodactylus duvaucelii, New Zealand’s largest extant gecko species. Here, three-dimensional geometric morphometrics of maxillae (a common fossilized element) was used to determine whether consistent shape and size differences exist between genera, and if cryptic extinctions have occurred in subfossil ‘Hoplodactylus cf. duvaucelii’. Sampling included 13 diplodactylid species from five genera, and 11 Holocene subfossil ‘H. cf. duvaucelii’ individuals. We found phylogenetic history was the most important predictor of maxilla morphology among extant diplodactylid genera. Size comparisons could only differentiate Hoplodactylus from other genera, with the remaining genera exhibiting variable degrees of overlap. Six subfossils were positively identified as H. duvaucelii, confirming their proposed Holocene distribution throughout New Zealand. Conversely, five subfossils showed no clear affinities with any modern diplodactylid genera, implying either increased morphological diversity in mainland ‘H. cf. duvaucelii’ or the presence of at least one extinct, large, broad-toed diplodactylid species.
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Affiliation(s)
- Lachie Scarsbrook
- Otago Paleogenetics Laboratory, Department of Zoology, University of Otago, Dunedin, New Zealand.
| | - Emma Sherratt
- School of Biological Sciences, The University of Adelaide, Adelaide, South Australia, Australia
| | | | - Nicolas J Rawlence
- Otago Paleogenetics Laboratory, Department of Zoology, University of Otago, Dunedin, New Zealand
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Ancient and contemporary DNA reveal a pre-human decline but no population bottleneck associated with recent human persecution in the kea (Nestor notabilis). PLoS One 2015; 10:e0118522. [PMID: 25719752 PMCID: PMC4342260 DOI: 10.1371/journal.pone.0118522] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 11/19/2014] [Indexed: 12/02/2022] Open
Abstract
The impact of population bottlenecks is an important factor to consider when assessing species survival. Population declines can considerably limit the evolutionary potential of species and make them more susceptible to stochastic events. New Zealand has a well documented history of decline of endemic avifauna related to human colonization. Here, we investigate the genetic effects of a recent population decline in the endangered kea (Nestor notabilis). Kea have undergone a long-lasting persecution between the late 1800s to 1970s where an estimated 150,000 kea were culled under a governmental bounty scheme. Kea now number 1,000–5,000 individuals in the wild and it is likely that the recent population decline may have reduced the genetic diversity of the species. Comparison of contemporary (n = 410), historical (n = 15) and fossil samples (n = 4) showed a loss of mitochondrial diversity since the end of the last glaciation (Otiran Glacial) but no loss of overall genetic diversity associated with the cull. Microsatellite data indicated a recent bottleneck for only one population and a range-wide decline in Ne dating back some 300 – 6,000 years ago, a period predating European arrival in NZ. These results suggest that despite a recent human persecution, kea might have experienced a large population decline before stabilizing in numbers prior to human settlement of New Zealand in response to Holocene changes in habitat distribution. Our study therefore highlights the need to understand the respective effects of climate change and human activities on endangered species dynamics when proposing conservation guidelines.
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Holdaway RN, Allentoft ME, Jacomb C, Oskam CL, Beavan NR, Bunce M. An extremely low-density human population exterminated New Zealand moa. Nat Commun 2014; 5:5436. [PMID: 25378020 DOI: 10.1038/ncomms6436] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2014] [Accepted: 10/01/2014] [Indexed: 11/09/2022] Open
Abstract
New Zealand moa (Aves: Dinornithiformes) are the only late Quaternary megafauna whose extinction was clearly caused by humans. New Zealand offers the best opportunity to estimate the number of people involved in a megafaunal extinction event because, uniquely, both the Polynesian settlement of New Zealand and moa extinction are recent enough to be dated with a high degree of precision. In addition, the founding human population can be estimated from genetic evidence. Here we show that the Polynesian population of New Zealand would not have exceeded 2,000 individuals before extinction of moa populations in the habitable areas of the eastern South Island. During a brief (<150 years) period and at population densities that never exceeded ~0.01 km(-2), Polynesians exterminated viable populations of moa by hunting and removal of habitat. High human population densities are not required in models of megafaunal extinction.
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Affiliation(s)
- Richard N Holdaway
- 1] Palaecol Research Ltd, PO Box 16569, Christchurch 8042, New Zealand [2] School of Biological Sciences, University of Canterbury, Christchurch 8140, New Zealand
| | - Morten E Allentoft
- 1] School of Biological Sciences, University of Canterbury, Christchurch 8140, New Zealand [2] Centre for Geogenetics, Natural History Museum, University of Copenhagen, Copenhagen DK-1350, Denmark
| | - Christopher Jacomb
- Southern Pacific Archaeological Research, Department of Anthropology and Archaeology, University of Otago, PO Box 56, Dunedin 9054, New Zealand
| | - Charlotte L Oskam
- School of Veterinary and Life Sciences, Murdoch University, Perth, Western Australia 6150, Australia
| | - Nancy R Beavan
- School of Medical Sciences, University of Otago, PO Box 913, Dunedin 9054, New Zealand
| | - Michael Bunce
- Trace and Environmental DNA Laboratory, Department of Environment and Agriculture, Curtin University, Bentley, Western Australia 6102, Australia
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Resolving lost herbivore community structure using coprolites of four sympatric moa species (Aves: Dinornithiformes). Proc Natl Acad Sci U S A 2013; 110:16910-5. [PMID: 24082104 DOI: 10.1073/pnas.1307700110] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Knowledge of extinct herbivore community structuring is essential for assessing the wider ecological impacts of Quaternary extinctions and determining appropriate taxon substitutes for rewilding. Here, we demonstrate the potential for coprolite studies to progress beyond single-species diet reconstructions to resolving community-level detail. The moa (Aves: Dinornithiformes) of New Zealand are an intensively studied group of nine extinct herbivore species, yet many details of their diets and community structuring remain unresolved. We provide unique insights into these aspects of moa biology through analyses of a multispecies coprolite assemblage from a rock overhang in a montane river valley in southern New Zealand. Using ancient DNA (aDNA), we identified 51 coprolites, which included specimens from four sympatric moa species. Pollen, plant macrofossils, and plant aDNA from the coprolites chronicle the diets and habitat preferences of these large avian herbivores during the 400 y before their extinction (∼1450 AD). We use the coprolite data to develop a paleoecological niche model in which moa species were partitioned based on both habitat (forest and valley-floor herbfield) and dietary preferences, the latter reflecting allometric relationships between body size, digestive efficiency, and nutritional requirements. Broad ecological niches occupied by South Island giant moa (Dinornis robustus) and upland moa (Megalapteryx didinus) may reflect sexual segregation and seasonal variation in habitat use, respectively. Our results show that moa lack extant ecological analogs, and their extinction represents an irreplaceable loss of function from New Zealand's terrestrial ecosystems.
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10
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Smith I. Pre-European Maori exploitation of marine resources in two New Zealand case study areas: species range and temporal change. J R Soc N Z 2013. [DOI: 10.1080/03036758.2011.574709] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Rawlence NJ, Scofield RP, Wood JR, Wilmshurst JM, Moar NT, Worthy TH. New palaeontological data from the excavation of the Late Glacial Glencrieff miring bone deposit, North Canterbury, South Island, New Zealand. J R Soc N Z 2011. [DOI: 10.1080/03036758.2011.559663] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Moa's Ark or volant ghosts of Gondwana? Insights from nineteen years of ancient DNA research on the extinct moa (Aves: Dinornithiformes) of New Zealand. Ann Anat 2011; 194:36-51. [PMID: 21596537 DOI: 10.1016/j.aanat.2011.04.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2011] [Revised: 04/06/2011] [Accepted: 04/06/2011] [Indexed: 11/23/2022]
Abstract
The moa (Aves: Dinornithiformes) of New Zealand represent one of the extinct iconic taxa that define the field of ancient DNA (aDNA), and after almost two decades of genetic scrutiny of bones, feathers, coprolites, mummified tissue, eggshell, and sediments, our knowledge of these prehistoric giants has increased significantly. Thanks to molecular and morphological-based research, the insights that have been obtained into moa phylogenetics, phylogeography, and palaeobiology exceeds that of any other extinct taxon. This review documents the strengths of applying a multidisciplinary approach when studying extinct taxa but also shows that cross-disciplinary controversies still remain at the most fundamental levels, with highly conflicting interpretations derived from aDNA and morphology. Moa species diversity, for example, is still heavily debated, as well as their relationship with other ratites and the mode of radiation. In addition to increasing our knowledge on a lineage of extinct birds, further insights into these aspects can clarify some of the basal splits in avian evolution, and the evolutionary implications of the breakup of the prehistoric supercontinent Gondwana. Did a flightless moa ancestor drift away on proto New Zealand (Moa's Ark) or did a volant ancestor arrive by flight? Here we provide an overview of 19 years of aDNA research on moa, critically assess the attempts and controversies in placing the moa lineage among palaeognath birds, and discuss the factors that facilitated the extensive radiation of moa. Finally, we identify the most obvious gaps in the current knowledge to address the future potential research areas in moa genetics.
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The Origin, Early History and Diversification of Lepidosauromorph Reptiles. NEW ASPECTS OF MESOZOIC BIODIVERSITY 2010. [DOI: 10.1007/978-3-642-10311-7_2] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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Rawlence NJ, Wood JR, Armstrong KN, Cooper A. DNA content and distribution in ancient feathers and potential to reconstruct the plumage of extinct avian taxa. Proc Biol Sci 2009; 276:3395-402. [PMID: 19570784 DOI: 10.1098/rspb.2009.0755] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Feathers are known to contain amplifiable DNA at their base (calamus) and have provided an important genetic source from museum specimens. However, feathers in subfossil deposits generally only preserve the upper shaft and feather 'vane' which are thought to be unsuitable for DNA analysis. We analyse subfossil moa feathers from Holocene New Zealand rockshelter sites and demonstrate that both ancient DNA and plumage information can be recovered from their upper portion, allowing species identification and a means to reconstruct the appearance of extinct taxa. These ancient DNA sequences indicate that the distal portions of feathers are an untapped resource for studies of museum, palaeontological and modern specimens. We investigate the potential to reconstruct the plumage of pre-historically extinct avian taxa using subfossil remains, rather than assuming morphological uniformity with closely related extant taxa. To test the notion of colour persistence in subfossil feathers, we perform digital comparisons of feathers of the red-crowned parakeet (Cyanoramphus novaezelandiae novaezelandiae) excavated from the same horizons as the moa feathers, with modern samples. The results suggest that the coloration of the moa feathers is authentic, and computer software is used to perform plumage reconstructions of moa based on subfossil remains.
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Affiliation(s)
- Nicolas J Rawlence
- Australian Centre for Ancient DNA (ACAD), School of Earth and Environmental Sciences, University of Adelaide, South Australia 5005, Australia
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RAMSEY DAVIDSL, NORBURY GRANTL. Predicting the unexpected: using a qualitative model of a New Zealand dryland ecosystem to anticipate pest management outcomes. AUSTRAL ECOL 2009. [DOI: 10.1111/j.1442-9993.2009.01942.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Wood JR. Moa (Aves: Dinornithiformes) nesting material from rockshelters in the semi‐arid interior of South Island, New Zealand. J R Soc N Z 2008. [DOI: 10.1080/03014220809510550] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Young LM, Marris JWM, Pawson SM. Back from extinction: Rediscovery of the Canterbury knobbled weevilHadramphus tuberculatus(Pascoe 1877) (Coleoptera: Curculionidae), with a review of its historical distribution. NEW ZEALAND JOURNAL OF ZOOLOGY 2008. [DOI: 10.1080/03014220809510129] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Worthy TH, Scofield P. Skeletal and dental variation within and betweenMystacinaspecies in southern New Zealand. NEW ZEALAND JOURNAL OF ZOOLOGY 2004. [DOI: 10.1080/03014223.2004.9518388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Holdaway RN, Jones MD, Athfield NRB. Establishment and extinction of a population of South Georgian diving petrel(Pelecanoides georgicus)at Mason Bay, Stewart Island, New Zealand, during the late Holocene. J R Soc N Z 2003. [DOI: 10.1080/03014223.2003.9517748] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Worthy TH, Grant‐Mackie JA. Late‐Pleistocene avifaunas from Cape Wanbrow, Otago, South Island, New Zealand. J R Soc N Z 2003. [DOI: 10.1080/03014223.2003.9517738] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Holdaway RN, Jones MD, Athfield NRB. Late Holocene extinction of the New Zealand owlet‐nightjarAegotheles novaezealandiae. J R Soc N Z 2002. [DOI: 10.1080/03014223.2002.9517714] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Holdaway RN, Roberts RG, Beavan‐Athfield NR, Olley JM, Worthy TH. Optical dating of quartz sediments and accelerator mass spectrometry14C dating of bone gelatin and moa eggshell: A comparison of age estimates for non‐archaeological deposits in New Zealand. J R Soc N Z 2002. [DOI: 10.1080/03014223.2002.9517705] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Holdaway RN, Worthy TH, Tennyson AJD. A working list of breeding bird species of the New Zealand region at first human contact. NEW ZEALAND JOURNAL OF ZOOLOGY 2001. [DOI: 10.1080/03014223.2001.9518262] [Citation(s) in RCA: 85] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Holdaway RN, Beavan NR. Reliable14C AMS dates on bird and Pacific ratRattus exulansbone gelatin, from a CaCO3‐rich deposit. J R Soc N Z 1999. [DOI: 10.1080/03014223.1999.9517592] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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