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DOI: 10.1371/journal.pone.0126274
Title:
Lineage Range Estimation Method Reveals Fine-Scale Endemism Linked to Pleistocene Stability in Australian Rainforest Herpetofauna
Author: Dan F. Rosauer; Renee A. Catullo; Jeremy VanDerWal; Adnan Moussalli; Craig Moritz
Source Publication: PLOS ONE
ISSN: 1932-6203
Indexed By: SCI-E
Publishing Year: 2015
Date Published: 2015-5-28
Volume: 10, Issue:5
Language: 英语
Keyword: Rainforests ; Paleoclimatology ; Phylogeography ; Ecological niches ; Paleobiology ; Paleoenvironments ; Frogs ; Species diversity
English Abstract: Areas of suitable habitat for species and communities have arisen, shifted, and disappeared with Pleistocene climate cycles, and through this shifting landscape, current biodiversity has found paths to the present. Evolutionary refugia, areas of relative habitat stability in this shifting landscape, support persistence of lineages through time, and are thus crucial to the accumulation and maintenance of biodiversity. Areas of endemism are indicative of refugial areas where diversity has persisted, and endemism of intraspecific lineages in particular is strongly associated with late-Pleistocene habitat stability. However, it remains a challenge to consistently estimate the geographic ranges of intraspecific lineages and thus infer phylogeographic endemism, because spatial sampling for genetic analyses is typically sparse relative to species records. We present a novel technique to model the geographic distribution of intraspecific lineages, which is informed by the ecological niche of a species and known locations of its constituent lineages. Our approach allows for the effects of isolation by unsuitable habitat, and captures uncertainty in the extent of lineage ranges. Applying this method to the arc of rainforest areas spanning 3500 km in eastern Australia, we estimated lineage endemism for 53 species of rainforest dependent herpetofauna with available phylogeographic data. We related endemism to the stability of rainforest habitat over the past 120,000 years and identified distinct concentrations of lineage endemism that can be considered putative refugia. These areas of lineage endemism are strongly related to historical stability of rainforest habitat, after controlling for the effects of current environment. In fact, a dynamic stability model that allows movement to track suitable habitat over time was the most important factor in explaining current patterns of endemism. The techniques presented here provide an objective, practical method for estimating geographic ranges below the species level, and including them in spatial analyses of biodiversity.
Related Link: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0126274&type=printable
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Document Type: 期刊论文
Identifier: http://119.78.100.177/globalchange/handle/2HF3EXSE/20637
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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Affiliation: Research School of Biology & Centre for Biodiversity Analysis, Australian National University, Canberra, Australian Capital Territory, Australia;Research School of Biology & Centre for Biodiversity Analysis, Australian National University, Canberra, Australian Capital Territory, Australia;CSIRO Land and Water Flagship, Canberra, Australian Capital Territory, Australia;Centre for Tropical Biodiversity & Climate Change, College of Marine and Environmental Sciences, James Cook University, Townsville, Queensland, Australia;eResearch Centre, Division of Research and Innovation, James Cook University, Townsville, Queensland, Australia;Sciences Department, Museum Victoria, Melbourne, Victoria, Australia;Research School of Biology & Centre for Biodiversity Analysis, Australian National University, Canberra, Australian Capital Territory, Australia;CSIRO Land and Water Flagship, Canberra, Australian Capital Territory, Australia

Recommended Citation:
Dan F. Rosauer,Renee A. Catullo,Jeremy VanDerWal,et al. Lineage Range Estimation Method Reveals Fine-Scale Endemism Linked to Pleistocene Stability in Australian Rainforest Herpetofauna[J]. PLOS ONE,2015-01-01,10(5)
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