Search Results - "Van Dyke, James U."

Paternal nutrient provisioning during male pregnancy in the seahorse Hippocampus abdominalis by Skalkos, Zoe M. G., Van Dyke, James U., Whittington, Camilla M.

“…Vertebrates that incubate embryos on or within the body cavity exhibit diverse strategies to provide nutrients to developing embryos, ranging from…”
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Ineffectiveness of plastic mesh for protecting artificial freshwater turtle nests from red fox (Vulpes vulpes) predation by Terry, Regan, Robert, Kylie A., Simms, Angela, Stockfeld, Graham, Van Dyke, James U.

“…Invasive mammalian predators are efficient at driving native animal declines. The red fox (Vulpes vulpes) kills millions of endemic reptiles in Australia each…”
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Understanding the evolution of viviparity using intraspecific variation in reproductive mode and transitional forms of pregnancy by Whittington, Camilla M., Van Dyke, James U., Liang, Stephanie Q. T., Edwards, Scott V., Shine, Richard, Thompson, Michael B., Grueber, Catherine E.

“…ABSTRACT How innovations such as vision, flight and pregnancy evolve is a central question in evolutionary biology. Examination of transitional (intermediate)…”
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The evolution of viviparity: molecular and genomic data from squamate reptiles advance understanding of live birth in amniotes by Van Dyke, James U, Brandley, Matthew C, Thompson, Michael B

“…Squamate reptiles (lizards and snakes) are an ideal model system for testing hypotheses regarding the evolution of viviparity (live birth) in amniote…”
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Effects of wetland connectivity on overwintering and movement behaviours of Australian freshwater turtles by Van Dyke, James U., McPhan, Luke M., Howard, Katie, Hamilton, Tracy, Ross, Liticia, Watts, Robyn J.

“…Abstract Freshwater turtles are important consumers in Australian freshwater ecosystems. They serve as scavengers, nutrient regulators, and as food sources and…”
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Different Genes are Recruited During Convergent Evolution of Pregnancy and the Placenta by Foster, Charles S.P., Van Dyke, James U., Thompson, Michael B., Smith, Nicholas M.A., Simpfendorfer, Colin A., Murphy, Christopher R., Whittington, Camilla M.

“…Abstract The repeated evolution of the same traits in distantly related groups (convergent evolution) raises a key question in evolutionary biology: do the…”
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Turtles in trouble. Conservation ecology and priorities for Australian freshwater turtles by Petrov, Kristen, Sutcliffe, Sarah, Truscott, Helen, Kutay, Cat, Eisemberg, Carla C., Spencer, Ricky J., Lawler, Ivan, Bower, Deborah S., Van Dyke, James U., Georges, Arthur

“…The Australian freshwater turtle fauna is dominated by species in the family Chelidae. The extant fauna comprises a series of distinct lineages, each of…”
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Bioenergetic components of reproductive effort in viviparous snakes: Costs of vitellogenesis exceed costs of pregnancy by Van Dyke, James U., Beaupre, Steven J.

“…Reproductive effort has been defined as the proportion of an organism's energy budget that is allocated to reproduction over a biologically meaningful time…”
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Ancestral state reconstructions require biological evidence to test evolutionary hypotheses: A case study examining the evolution of reproductive mode in squamate reptiles by Griffith, Oliver W., Blackburn, Daniel G., Brandley, Matthew C., Van Dyke, James U., Whittington, Camilla M., Thompson, Michael B.

“…To understand evolutionary transformations it is necessary to identify the character states of extinct ancestors. Ancestral character state reconstruction is…”
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Opportunities for research and conservation of freshwater turtles in Australia by Bower, Deborah S., McKnight, Donald T., Sullivan, Kyra, Macdonald, Stewart L., Georges, Arthur, Clulow, Simon, Mathwin, Rupert, Connell, Marilyn J., Nelson, Holly V., Santoro, Anthony, Nordstrom, Bethany, Van Dyke, James U., Kidman, Rosie A., Streeting, Louise M., Dillon, Martin L., Spencer, Ricky‐John, Thompson, Michael B., Nordberg, Eric J.

“…Abstract Australia's freshwater turtles have high endemicity and many are threatened by extinction. Following a symposium held at the 2022 conference of the…”
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Structure and permeability of the egg capsule of the placental Australian sharpnose shark, Rhizoprionodon taylori by Buddle, Alice L., Van Dyke, James U., Thompson, Michael B., Simpfendorfer, Colin A., Murphy, Christopher R., Day, Margot L., Whittington, Camilla M.

“…Shark placentae are derived from modifications to the fetal yolk sac and the maternal uterine mucosa. In almost all placental sharks, embryonic development…”
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Distinguishing Between Embryonic Provisioning Strategies in Teleost Fishes Using a Threshold Value for Parentotrophy by Skalkos, Zoe M G, Van Dyke, James U, Whittington, Camilla M

“…The source of embryonic nutrition for development varies across teleost fishes. A parentotrophy index (ratio of neonate: ovulated egg dry mass) is often used…”
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Hatchling short-necked turtles (Emydura macquarii) select aquatic vegetation habitats, but not after one month in captivity by Santori, Claudia, Spencer, Ricky-John, Thompson, Michael B., Whittington, Camilla M., Van Dyke, James U.

“…Knowledge of turtle hatchling ecology is fundamental for managing wild populations. Information on habitat selection by turtle hatchlings is particularly…”
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Changes in participant behaviour and attitudes are associated with knowledge and skills gained by using a turtle conservation citizen science app by Santori, Claudia, Keith, Ryan J., Whittington, Camilla M., Thompson, Michael B., Van Dyke, James U., Spencer, Ricky‐John, Wehi, Priscilla

“…Citizen science has become a popular way to collect biodiversity data and engage the wider public in scientific research. It has the potential to improve the…”
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Prey-switching does not protect a generalist turtle from bioenergetic consequences when its preferred food is scarce by Petrov, Kristen, Spencer, Ricky-John, Malkiewicz, Natasha, Lewis, Jessica, Keitel, Claudia, Van Dyke, James U

“…Optimal foraging theory explains how animals make foraging decisions based on the availability, nutritional content, and handling times of different food…”
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Mechanisms of reproductive allocation as drivers of developmental plasticity in reptiles by Dyke, James U., Griffith, Oliver W.

“…Developmental plasticity in offspring phenotype occurs as a result of the environmental conditions embryos experience during development. The nutritional…”
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Prevalence of ingested fish hooks in freshwater turtles from five rivers in the southeastern United States by Steen, David A, Hopkins, Brittney C, Van Dyke, James U, Hopkins, William A

“…Freshwater turtles may ingest baited fish hooks because many are opportunistic scavengers. Although the ingestion of fish hooks is known to be a source of…”
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Turtles and Tortoises Are in Trouble by Stanford, Craig B., Iverson, John B., Rhodin, Anders G.J., Paul van Dijk, Peter, Mittermeier, Russell A., Kuchling, Gerald, Berry, Kristin H., Bertolero, Alberto, Bjorndal, Karen A., Blanck, Torsten E.G., Buhlmann, Kurt A., Burke, Russell L., Congdon, Justin D., Diagne, Tomas, Edwards, Taylor, Eisemberg, Carla C., Ennen, Josh R., Forero-Medina, Germán, Frankel, Matt, Fritz, Uwe, Gallego-García, Natalia, Georges, Arthur, Gibbons, J. Whitfield, Gong, Shiping, Goode, Eric V., Shi, Haitao T., Hoang, Ha, Hofmeyr, Margaretha D., Horne, Brian D., Hudson, Rick, Juvik, James O., Kiester, Ross A., Koval, Patricia, Le, Minh, Lindeman, Peter V., Lovich, Jeffrey E., Luiselli, Luca, McCormack, Timothy E.M., Meyer, George A., Páez, Vivian P., Platt, Kalyar, Platt, Steven G., Pritchard, Peter C.H., Quinn, Hugh R., Roosenburg, Willem M., Seminoff, Jeffrey A., Shaffer, H. Bradley, Spencer, Ricky, Van Dyke, James U., Vogt, Richard C., Walde, Andrew D.

“…Turtles and tortoises (chelonians) have been integral components of global ecosystems for about 220 million years and have played important roles in human…”
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Emergence of an evolutionary innovation: Gene expression differences associated with the transition between oviparity and viviparity by Foster, Charles S. P., Thompson, Michael B., Van Dyke, James U., Brandley, Matthew C., Whittington, Camilla M.

“…Our understanding of the evolution of complex biological traits is greatly advanced by examining taxa with intermediate phenotypes. The transition from…”
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Paternal protein provisioning to embryos during male seahorse pregnancy by Skalkos, Zoe M G, Van Dyke, James U, Dowland, Samson N, Whittington, Camilla M

“…Seahorses exhibit male pregnancy and are thus valuable comparative models for the study of the physiology and evolution of pregnancy. This study shows that…”
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