Search Results - "Nelson, Nicola J."

Initial collection, characterization, and storage of tuatara (Sphenodon punctatus) sperm offers insight into their unique reproductive system by Lamar, Sarah K

“…Describes characteristics of mature semen collected from male tuatara, both during mating and from urine after courting, for analysis of motility and…”
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Predicting the fate of a living fossil: how will global warming affect sex determination and hatching phenology in tuatara? by Mitchell, Nicola J, Kearney, Michael R, Nelson, Nicola J, Porter, Warren P

“…How will climate change affect species' reproduction and subsequent survival? In many egg-laying reptiles, the sex of offspring is determined by the…”
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Sex ratio bias and extinction risk in an isolated population of Tuatara (Sphenodon punctatus) by Grayson, Kristine L, Mitchell, Nicola J, Monks, Joanne M, Keall, Susan N, Wilson, Joanna N, Nelson, Nicola J

“…Understanding the mechanisms underlying population declines is critical for preventing the extinction of endangered populations. Positive feedbacks can hasten…”
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Gut microbiome of the sole surviving member of reptile order Rhynchocephalia reveals biogeographic variation, influence of host body condition and a substantial core microbiota in tuatara across New Zealand by Hoffbeck, Carmen, Middleton, Danielle M. R. L., Lamar, Sarah K., Keall, Susan N., Nelson, Nicola J., Taylor, Michael W.

“…Tuatara are the sole extant species in the reptile order Rhynchocephalia. They are ecologically and evolutionarily unique, having been isolated geographically…”
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Investigating the link between morphological characteristics and diet in an island population of omnivorous reptiles ( Sphenodon punctatus ) by Lamar, Sarah K., Altobelli, Joseph T., Nelson, Nicola J., Ormsby, Diane K.

“…ABSTRACT The morphological characteristics that impact feeding ecology in ectotherms, particularly reptiles, are poorly understood. We used morphometric…”
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Social network structure and parasite infection patterns in a territorial reptile, the tuatara ( Sphenodon punctatus) by Godfrey, Stephanie S., Moore, Jennifer A., Nelson, Nicola J., Bull, C. Michael

“…■■■ We investigated whether the parasite load of an individual could be predicted by its position in a social network. Specifically, we derived social networks…”
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Public willingness to engage in backyard conservation in New Zealand: Exploring motivations and barriers for participation by Woolley, Christopher K., Hartley, Stephen, Nelson, Nicola J., Shanahan, Danielle F.

“…Citizen science and participatory conservation offer benefits to urban wildlife and help foster human–nature relationships in cities. To optimize conservation…”
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De novo sequence assembly and characterisation of a partial transcriptome for an evolutionarily distinct reptile, the tuatara (Sphenodon punctatus) by Miller, Hilary C, Biggs, Patrick J, Voelckel, Claudia, Nelson, Nicola J

“…The tuatara (Sphenodon punctatus) is a species of extraordinary zoological interest, being the only surviving member of an entire order of reptiles which…”
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Influence of major histocompatibility complex genotype on mating success in a free-ranging reptile population by Miller, Hilary C, Moore, Jennifer A, Nelson, Nicola J, Daugherty, Charles H

“…Major histocompatibility complex (MHC) genes are highly polymorphic components of the vertebrate immune system, which play a key role in pathogen resistance…”
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Postfledging dispersal of red‐fronted parakeets (Cyanoramphus novaezelandiae) from a fenced mainland sanctuary by Irwin, Ellen T., Kikillus, K. Heidy, Gray, Richard S., Empson, Raewyn A., Nelson, Nicola J.

“…Translocations are an important tool for conserving species at risk of extinction from a range of threats. However, an understanding of the life history of…”
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Novel mating behaviours in male tuatara ( Sphenodon punctatus ) expand our understanding of reptile courtship by Lamar, Sarah K., Ormsby, Diane K., Nelson, Nicola J.

“…Abstract Observations of reptile courting and mating behaviour are relatively scant in the literature. Here, using the largest sample of observed courting…”
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16S rRNA gene-based meta-analysis of the reptile gut microbiota reveals environmental effects, host influences and a limited core microbiota by Hoffbeck, Carmen, Middleton, Danielle M R L, Nelson, Nicola J, Taylor, Michael W

“…An animal's gut microbiota plays an important role in host health, reproduction and digestion. However, many studies focus on only a few individuals or a…”
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Support for a rare pattern of temperature-dependent sex determination in archaic reptiles: evidence from two species of tuatara (Sphenodon) by Mitchell, Nicola J, Nelson, Nicola J, Cree, Alison, Pledger, Shirley, Keall, Susan N, Daugherty, Charles H

“…The sex of many reptiles is determined by the temperature an embryo experiences during its development. Three patterns of temperature-dependent sex…”
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Immune stress and diet influence reproductive fitness in male tuatara ( Sphenodon punctatus ) by Lamar, Sarah K, Ormsby, Diane K, Nelson, Nicola J

“…Abstract The theoretical trade-off between immune and endocrine investment in mating animals has received mixed empirical support, particularly in reptiles. We…”
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Cryptic inbreeding depression in a growing population of a long‐lived species by Taylor, Helen R., Colbourne, Rogan M., Robertson, Hugh A., Nelson, Nicola J., Allendorf, Fred W., Ramstad, Kristina M.

“…Genetic effects are often overlooked in endangered species monitoring, and populations showing positive growth are often assumed to be secure. However, the…”
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Modelling three‐dimensional space to design prey refuges using video game software by Lennon, Ox, Wittmer, Heiko U., Nelson, Nicola J.

“…Refuges can be ecologically important, allowing access only to some species or individuals and providing prey protection from predators. Creation of refuges…”
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Characterization of sperm and implications for male fertility in the last of the Rhynchocephalians by Lamar, Sarah K, Nelson, Nicola J, Ormsby, Diane K

“…We identified considerable variation in male fertility in wild tuatara, an evolutionarily unique reptile. Our findings show that tuatara sperm morphology is…”
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Conservation of skinks in New Zealand cities by Woolley, Christopher K., Hartley, Stephen, Innes, John G., Shanahan, Danielle F., van Heezik, Yolanda, Wilson, Deborah J., Nelson, Nicola J.

“…Urbanisation dramatically alters ecosystems, disrupting key processes and threatening species persistence. Despite growing knowledge of the impacts of cities…”
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Kaitiakitanga, place and the urban restoration agenda by Walker, Erana T., Wehi, Priscilla M., Nelson, Nicola J., Beggs, Jacqueline R., Whaanga, Hēmi

“…Ko te oranga o te tangata kei roto i tōna tūhono ki tōna taiao. Mō te hunga Māori o Aotearoa, ko te whakapapa ki a Ranginui rāua ko Papatūānuku te ara whakaū i…”
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Geostatistical interpolation can reliably extend coverage of a very high-resolution model of temperature-dependent sex determination by Carter, Anna L., Kearney, Michael R., Hartley, Stephen, Porter, Warren P., Nelson, Nicola J.

“…Aim: Recognition that statistical models do not always reliably predict habitat suitability under future climate scenarios is leading increasingly to explicit…”
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