Ian Hutton
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View article: Island Syndrome in the Critically Endangered Lord Howe Island Cockroach <i>Panesthia lata</i>
Island Syndrome in the Critically Endangered Lord Howe Island Cockroach <i>Panesthia lata</i> Open
Following island colonisation, organisms experience a unique array of selective pressures, giving rise to a somewhat predictable suite of morphological, demographic and ecological adaptations known as the “island syndrome”. Studies of the …
View article: Island syndrome in the critically endangered Lord Howe Island cockroach <i>Panesthia lata</i>
Island syndrome in the critically endangered Lord Howe Island cockroach <i>Panesthia lata</i> Open
Following island colonisation, organisms experience a unique array of selective pressures, giving rise to a somewhat predictable suite of morphological, demographic and ecological adaptations known as the “island syndrome”. Studies of the …
View article: A colonial epiphyte with a twist: morphological differentiation and potential division of labour in the fern <i>Platycerium bifurcatum</i>
A colonial epiphyte with a twist: morphological differentiation and potential division of labour in the fern <i>Platycerium bifurcatum</i> Open
Division of labour, a hallmark of complex animal societies, remains poorly understood in plants. The staghorn fern (Platycerium bifurcatum, Polypodiaceae), a colonial epiphyte, offers a unique model to explore this phenomenon in plants inh…
View article: Pleistocene sea-level fluctuation shapes archipelago-wide population structure in the Endangered Lord Howe Island cockroach<i>Panesthia lata</i>
Pleistocene sea-level fluctuation shapes archipelago-wide population structure in the Endangered Lord Howe Island cockroach<i>Panesthia lata</i> Open
Studies of biogeographic processes have often centred islands as model systems, yet questions remain about the role of Pleistocene sea-level fluctuations in shaping islands’ biodiversity. One novel, potentially informative model system is …
View article: The Australian Museum and Friends of Lord Howe survey of large Coleoptera on Lord Howe Island, August 2022
The Australian Museum and Friends of Lord Howe survey of large Coleoptera on Lord Howe Island, August 2022 Open
A survey of large beetles, one centimetre or more in length, on Lord Howe Island, was conducted in August 2022 and the results are discussed. In total, 32 large species were found. This was the first survey made at least one beetle generat…
View article: Plio‐Pleistocene decline of mesic forest underpins diversification in a clade of Australian <i>Panesthia</i> cockroaches
Plio‐Pleistocene decline of mesic forest underpins diversification in a clade of Australian <i>Panesthia</i> cockroaches Open
The progressive aridification of the Australian continent, and coincident decline of mesic forest, has been a powerful driver of allopatric and environmental speciation in native species. The relictual mesic forests of the eastern seaboard…
View article: Guests in nests: A parallel between social plants and animals?
Guests in nests: A parallel between social plants and animals? Open
This study explores the relationship observed between ‘guests’—foreign inhabitants of social colonies—and the density and fecundity of eusocial‐like staghorn ferns ( Platycerium bifurcatum , Polypodiaceae). Our observations suggest that gu…
View article: Plio-Pleistocene decline of mesic forest underpins diversification in a clade of Australian<i>Panesthia</i>cockroaches
Plio-Pleistocene decline of mesic forest underpins diversification in a clade of Australian<i>Panesthia</i>cockroaches Open
The progressive aridification of the Australian continent, and coincident decline of mesic forest, has been a powerful driver of allopatric and environmental speciation in native species. The relictual mesic forests of the eastern seaboard…
View article: Harsh environmental conditions promote cooperative behavior in an epiphytic fern
Harsh environmental conditions promote cooperative behavior in an epiphytic fern Open
Harsh, unpredictable environments are known to favor cooperative groups in animals. Whether plants exhibit similar relationships is unknown. Staghorn ferns (Platycerium bifurcatum, Polypodiaceae) are epiphytes that form cooperative …
View article: Exploring the pathology of liver, kidney, muscle, and stomach of fledgling seabirds associated with plastic ingestion
Exploring the pathology of liver, kidney, muscle, and stomach of fledgling seabirds associated with plastic ingestion Open
There remain significant gaps in knowledge about 'sub-lethal' impacts of plastic ingestion, particularly chronic impacts on cells, tissues, or organs. Few studies have applied traditional animal health tools, such as histopathology, to ass…
View article: Temporal trends and interannual variation in plastic ingestion by Flesh-footed Shearwaters (Ardenna carneipes) using different sampling strategies
Temporal trends and interannual variation in plastic ingestion by Flesh-footed Shearwaters (Ardenna carneipes) using different sampling strategies Open
View article: Plastics in regurgitated Flesh-footed Shearwater (Ardenna carneipes) boluses as a monitoring tool
Plastics in regurgitated Flesh-footed Shearwater (Ardenna carneipes) boluses as a monitoring tool Open
View article: Seabird breeding islands as sinks for marine plastic debris
Seabird breeding islands as sinks for marine plastic debris Open
View article: The citizen scientist survey of large Coleoptera on Lord Howe Island, August 2019
The citizen scientist survey of large Coleoptera on Lord Howe Island, August 2019 Open
A survey of large beetles, 1 cm or more in length, on Lord Howe Island was conducted by the Australian Museum in August 2019, with the help of citizen scientist volunteers. Twelve areas were sampled and the results are discussed. The surve…
View article: Sympatric speciation in mountain roses (<i>Metrosideros</i>) on an oceanic island
Sympatric speciation in mountain roses (<i>Metrosideros</i>) on an oceanic island Open
Shifts in flowering time have the potential to act as strong prezygotic reproductive barriers in plants. We investigate the role of flowering time divergence in two species of mountain rose ( Metrosideros ) endemic to Lord Howe Island, Aus…
View article: The heterobranch sea slugs of Lord Howe Island, NSW, Australia (Mollusca: Gastropoda)
The heterobranch sea slugs of Lord Howe Island, NSW, Australia (Mollusca: Gastropoda) Open
The distribution of heterobranch sea slugs is generally poorly documented at a regional scale. Thus, it is currently difficult to quantify biodiversity, identify endemic and invasive species, and track range shifts at scales relevant to co…
View article: Supplementary tables from Sympatric speciation in mountain roses (<i>Metrosideros</i>) on an oceanic island
Supplementary tables from Sympatric speciation in mountain roses (<i>Metrosideros</i>) on an oceanic island Open
Shifts in flowering time have the potential to act as strong prezygotic reproductive barriers in plants. We investigate the role of flowering time divergence in two species of mountain rose (Metrosideros) endemic to Lord Howe island…
View article: Ecological speciation in sympatric palms: 4. Demographic analyses support speciation of <i>Howea</i> in the face of high gene flow
Ecological speciation in sympatric palms: 4. Demographic analyses support speciation of <i>Howea</i> in the face of high gene flow Open
The idea that populations must be geographically isolated (allopatric) to evolve into separate species has persisted for a long time. It is now clear that new species can also diverge despite ongoing genetic exchange, but few accepted case…
View article: Clinical Pathology of Plastic Ingestion in Marine Birds and Relationships with Blood Chemistry
Clinical Pathology of Plastic Ingestion in Marine Birds and Relationships with Blood Chemistry Open
Pollution of the environment with plastic debris is a significant and rapidly expanding threat to biodiversity due to its abundance, durability, and persistence. Current knowledge of the negative effects of debris on wildlife is largely ba…
View article: Ecological speciation in sympatric palms: 3. Genetic map reveals genomic islands underlying species divergence in <i>Howea</i>
Ecological speciation in sympatric palms: 3. Genetic map reveals genomic islands underlying species divergence in <i>Howea</i> Open
Although it is now widely accepted that speciation can occur in the face of continuous gene flow, with little or no spatial separation, the mechanisms and genomic architectures that permit such divergence are still debated. Here, we examin…
View article: Speciation in Howea Palms Occurred in Sympatry, Was Preceded by Ancestral Admixture, and Was Associated with Edaphic and Phenological Adaptation
Speciation in Howea Palms Occurred in Sympatry, Was Preceded by Ancestral Admixture, and Was Associated with Edaphic and Phenological Adaptation Open
Howea palms are viewed as one of the most clear-cut cases of speciation in sympatry. The sister species Howea belmoreana and H. forsteriana are endemic to the oceanic Lord Howe Island, Australia, where they have overlapping distributions a…
View article: Detection of ultrafine plastics ingested by seabirds using tissue digestion
Detection of ultrafine plastics ingested by seabirds using tissue digestion Open
View article: Citizen science and the art of discovery: new records of large Coleoptera from Lord Howe Island, July 2018
Citizen science and the art of discovery: new records of large Coleoptera from Lord Howe Island, July 2018 Open
A citizen science event was held on Lord Howe Island, 22–28 July 2018, with the objective of training non-scientist volunteers in basic search methods for large beetles. The survey was conducted to obtain baseline data on the distribution …
View article: Trace element concentrations in feathers of seven petrels (Pterodroma spp.)
Trace element concentrations in feathers of seven petrels (Pterodroma spp.) Open
View article: Uncovering the sub-lethal impacts of plastic ingestion by shearwaters using fatty acid analysis
Uncovering the sub-lethal impacts of plastic ingestion by shearwaters using fatty acid analysis Open
Marine plastic pollution is increasing exponentially, impacting an expanding number of taxa each year across all trophic levels. Of all bird groups, seabirds display the highest plastic ingestion rates and are regarded as sentinels of poll…
View article: Changes in technology and imperfect detection of nest contents impedes reliable estimates of population trends in burrowing seabirds
Changes in technology and imperfect detection of nest contents impedes reliable estimates of population trends in burrowing seabirds Open
View article: The Australian Museum Lord Howe Island Expedition 2017—Balls Pyramid Survey for Phasmids
The Australian Museum Lord Howe Island Expedition 2017—Balls Pyramid Survey for Phasmids Open
The Australian Museum in partnership with Melbourne Zoo, the New South Wales Office of Environment and Heritage (NSW OEH), the Lord Howe Island (LHI) Board and the LHI Museum along with a team of experienced climbers, landed on the remote …
View article: Ingestion of marine debris by Wedge-tailed Shearwaters (Ardenna pacifica) on Lord Howe Island, Australia during 2005–2018
Ingestion of marine debris by Wedge-tailed Shearwaters (Ardenna pacifica) on Lord Howe Island, Australia during 2005–2018 Open
View article: Developing a new variety of kentia palms (<i>Howea forsteriana</i>): up-regulation of cytochrome b561 and chalcone synthase is associated with red colouration of the stems
Developing a new variety of kentia palms (<i>Howea forsteriana</i>): up-regulation of cytochrome b561 and chalcone synthase is associated with red colouration of the stems Open
The kentia palm (Howea forsteriana) is endemic to a 12 km2 volcanic island in the Tasman Sea, Lord Howe Island. It is one of the most traded houseplants in the world. The typical kentia palm presents a dark green-coloured stem. Note that t…
View article: Arbuscular mycorrhizal fungi promote coexistence and niche divergence of sympatric palm species on a remote oceanic island
Arbuscular mycorrhizal fungi promote coexistence and niche divergence of sympatric palm species on a remote oceanic island Open
Summary Microbes can have profound effects on their hosts, driving natural selection, promoting speciation and determining species distributions. However, soil‐dwelling microbes are rarely investigated as drivers of evolutionary change in …