Fine-scale species distribution modelling and genotyping by sequencing to examine hybridisation between two narrow endemic plant species
Hybridization has an important and often positive role in plant evolution. However, it can also have negative consequences for species. Two closely related species of Ornduffia are endemic to the Porongurup Range in the South West Australian Global Biodiversity Hotspot. The rare Ornduffia calthifoli...
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| Format: | Journal Article |
| Language: | English |
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NATURE PORTFOLIO
2020
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| Online Access: | http://purl.org/au-research/grants/arc/IC150100041 http://hdl.handle.net/20.500.11937/88512 |
| _version_ | 1848765030758088704 |
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| author | Ball, J.W. Robinson, Todd Wardell-Johnson, Grant Bovill, J. Byrne, M. Nevill, Paul |
| author_facet | Ball, J.W. Robinson, Todd Wardell-Johnson, Grant Bovill, J. Byrne, M. Nevill, Paul |
| author_sort | Ball, J.W. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Hybridization has an important and often positive role in plant evolution. However, it can also have negative consequences for species. Two closely related species of Ornduffia are endemic to the Porongurup Range in the South West Australian Global Biodiversity Hotspot. The rare Ornduffia calthifolia is found exclusively on the summits, while O. marchantii is more widely dispersed across a greater range of elevation and is not considered threatened. Hybridisation in suitable overlapping habitat has been suspected between them for decades. Here we combine genotyping by sequencing to verify hybridisation genetically, and fine scale (2 m resolution) species distribution modelling (SDM) to test if hybrids occur in suitable intersecting habitat. From a study area of c. 4700 ha, SDM identified c. 275 ha and c. 322 ha of suitable habitat for O. calthifolia and O. marchantii, respectively. We identified range overlap between species of c. 59 ha), which enveloped 32 individuals confirmed to be hybrids. While the hybrids were at the margin of suitable habitat for O. marchantii, their preference for elevated habitat was closer to the more narrowly distributed O. calthifolia. The combination of genetic data and fine scale spatial modelling approaches enabled a better understanding of hybridisation among taxa of conservation significance. However, the level to which hybrid proliferation and competition for habitat presents as a threat to O. calthifolia is currently unknown and requires priority in conservation management given the threats from global warming and disturbance by tourism. |
| first_indexed | 2025-11-14T11:28:46Z |
| format | Journal Article |
| id | curtin-20.500.11937-88512 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T11:28:46Z |
| publishDate | 2020 |
| publisher | NATURE PORTFOLIO |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-885122022-09-23T05:55:59Z Fine-scale species distribution modelling and genotyping by sequencing to examine hybridisation between two narrow endemic plant species Ball, J.W. Robinson, Todd Wardell-Johnson, Grant Bovill, J. Byrne, M. Nevill, Paul Science & Technology Multidisciplinary Sciences Science & Technology - Other Topics AUSTRALIAN FLORISTIC REGION VILLARSIA MENYANTHACEAE PORONGURUP RANGE R-PACKAGE CONSERVATION EXTINCTION PATTERNS HYBRIDS RARE PREDICTION Hybridization has an important and often positive role in plant evolution. However, it can also have negative consequences for species. Two closely related species of Ornduffia are endemic to the Porongurup Range in the South West Australian Global Biodiversity Hotspot. The rare Ornduffia calthifolia is found exclusively on the summits, while O. marchantii is more widely dispersed across a greater range of elevation and is not considered threatened. Hybridisation in suitable overlapping habitat has been suspected between them for decades. Here we combine genotyping by sequencing to verify hybridisation genetically, and fine scale (2 m resolution) species distribution modelling (SDM) to test if hybrids occur in suitable intersecting habitat. From a study area of c. 4700 ha, SDM identified c. 275 ha and c. 322 ha of suitable habitat for O. calthifolia and O. marchantii, respectively. We identified range overlap between species of c. 59 ha), which enveloped 32 individuals confirmed to be hybrids. While the hybrids were at the margin of suitable habitat for O. marchantii, their preference for elevated habitat was closer to the more narrowly distributed O. calthifolia. The combination of genetic data and fine scale spatial modelling approaches enabled a better understanding of hybridisation among taxa of conservation significance. However, the level to which hybrid proliferation and competition for habitat presents as a threat to O. calthifolia is currently unknown and requires priority in conservation management given the threats from global warming and disturbance by tourism. 2020 Journal Article http://hdl.handle.net/20.500.11937/88512 10.1038/s41598-020-58525-2 English http://purl.org/au-research/grants/arc/IC150100041 http://creativecommons.org/licenses/by/4.0/ NATURE PORTFOLIO fulltext |
| spellingShingle | Science & Technology Multidisciplinary Sciences Science & Technology - Other Topics AUSTRALIAN FLORISTIC REGION VILLARSIA MENYANTHACEAE PORONGURUP RANGE R-PACKAGE CONSERVATION EXTINCTION PATTERNS HYBRIDS RARE PREDICTION Ball, J.W. Robinson, Todd Wardell-Johnson, Grant Bovill, J. Byrne, M. Nevill, Paul Fine-scale species distribution modelling and genotyping by sequencing to examine hybridisation between two narrow endemic plant species |
| title | Fine-scale species distribution modelling and genotyping by sequencing to examine hybridisation between two narrow endemic plant species |
| title_full | Fine-scale species distribution modelling and genotyping by sequencing to examine hybridisation between two narrow endemic plant species |
| title_fullStr | Fine-scale species distribution modelling and genotyping by sequencing to examine hybridisation between two narrow endemic plant species |
| title_full_unstemmed | Fine-scale species distribution modelling and genotyping by sequencing to examine hybridisation between two narrow endemic plant species |
| title_short | Fine-scale species distribution modelling and genotyping by sequencing to examine hybridisation between two narrow endemic plant species |
| title_sort | fine-scale species distribution modelling and genotyping by sequencing to examine hybridisation between two narrow endemic plant species |
| topic | Science & Technology Multidisciplinary Sciences Science & Technology - Other Topics AUSTRALIAN FLORISTIC REGION VILLARSIA MENYANTHACEAE PORONGURUP RANGE R-PACKAGE CONSERVATION EXTINCTION PATTERNS HYBRIDS RARE PREDICTION |
| url | http://purl.org/au-research/grants/arc/IC150100041 http://hdl.handle.net/20.500.11937/88512 |