Academic literature on the topic 'Dunnarts'

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Journal articles on the topic "Dunnarts"

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Bleicher, Sonny S., and Christopher R. Dickman. "On the landscape of fear: shelters affect foraging by dunnarts (Marsupialia, Sminthopsis spp.) in a sandridge desert environment." Journal of Mammalogy 101, no. 1 (February 15, 2020): 281–90. http://dx.doi.org/10.1093/jmammal/gyz195.

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Abstract Disturbances such as fire reduce the structural complexity of terrestrial habitats, increasing the risk of predation for small prey species. The postfire effect of predation has especially deleterious effects in Australian habitats owing to the presence of invasive mammalian predators, the red fox (Vulpes vulpes) and feral cat (Felis catus), that rapidly exploit burned habitats. Here, we investigated whether the provision of artificial shelter could alleviate the risk of predation perceived by two species of small marsupial, the dunnarts Sminthopsis hirtipes and S. youngsoni, in open
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Read, John L., Matthew J. Ward, and Katherine E. Moseby. "Factors that influence trap success of sandhill dunnarts (Sminthopsis psammophila) and other small mammals in Triodia dunefields of South Australia." Australian Mammalogy 37, no. 2 (2015): 212. http://dx.doi.org/10.1071/am14020.

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Optimised detection and sensitivity of fauna-monitoring programs is essential for the adaptive management of threatened species. We describe the influence of trap type, trapping duration and timing on the detection rates of small vertebrates, in particular the nationally endangered sandhill dunnart (Sminthopsis psammophila) in its two primary populations in South Australia. A total of 118 and 155 sandhill dunnarts were captured from the Middleback and Yellabinna regions, respectively, from five trapping sessions between 2008 and 2012. Wide deep pitfall traps (225 mm diameter × 600–700 mm deep)
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Haythornthwaite, Adele S. "Microhabitat use and foraging behaviour of Sminthopsis youngsoni (Marsupialia:Dasyuridae) in arid central Australia." Wildlife Research 32, no. 7 (2005): 609. http://dx.doi.org/10.1071/wr04126.

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In this study, fluorescent pigment tracking was used to determine the microhabitat use and foraging behaviour of a small insectivorous marsupial, Sminthopsis youngsoni (the lesser hairy-footed dunnart), in the dunefields of the Simpson Desert, south-western Queensland. In total, 25 successful trails were traced over the duration of this study, between March 1996 and April 1998. Nocturnal foraging trails were identified, then the distance travelled by the dunnart through each microhabitat type (nine in all) was measured and accumulated for each trail and compared with surrounding available micr
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Langman, C., S. Orgeig, and C. B. Daniels. "Alterations in composition and function of surfactant associated with torpor in Sminthopsis crassicaudata." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 271, no. 2 (August 1, 1996): R437—R445. http://dx.doi.org/10.1152/ajpregu.1996.271.2.r437.

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Cold profoundly influences lung compliance in homeothermic mammals. Much of this effect has traditionally been attributed to the inactivation of the surfactant system. However, many mammals undergo large fluctuations in body temperature (heterothermic mammals). Here, the surfactant lipid composition and lung compliance of warm-active dunnarts (Sminthopsis crassicaudata) and the homeothermic mouse (Mus musculus) [body temperature (Tb) = 35-37 degrees C] were compared with those of dunnarts killed after 1,4 or 8 h of torpor (Tb < 20 degrees C). Lung compliance was measured before and after th
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Lopatko, Olga V., Sandra Orgeig, Christopher B. Daniels, and David Palmer. "Alterations in the surface properties of lung surfactant in the torpid marsupial Sminthopsis crassicaudata." Journal of Applied Physiology 84, no. 1 (January 1, 1998): 146–56. http://dx.doi.org/10.1152/jappl.1998.84.1.146.

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Lopatko, Olga V., Sandra Orgeig, Christopher B. Daniels, and David Palmer. Alterations in the surface properties of lung surfactant in the torpid marsupial Sminthopsis crassicaudata. J. Appl. Physiol. 84(1): 146–156, 1998.—Torpor changes the composition of pulmonary surfactant (PS) in the dunnart Sminthopsis crassicaudata [C. Langman, S. Orgeig, and C. B. Daniels. Am. J. Physiol. 271 ( Regulatory Integrative Comp. Physiol. 40): R437–R445, 1996]. Here we investigated the surface activity of PS in vitro. Five micrograms of phospholipid per centimeter squared surface area of whole lavage (from mi
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Lang, Carol J., Anthony D. Postle, Sandra Orgeig, Fred Possmayer, Wolfgang Bernhard, Amiya K. Panda, Klaus D. Jürgens, William K. Milsom, Kaushik Nag, and Christopher B. Daniels. "Dipalmitoylphosphatidylcholine is not the major surfactant phospholipid species in all mammals." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 289, no. 5 (November 2005): R1426—R1439. http://dx.doi.org/10.1152/ajpregu.00496.2004.

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Pulmonary surfactant, a complex mixture of lipids and proteins, lowers the surface tension in terminal air spaces and is crucial for lung function. Within an animal species, surfactant composition can be influenced by development, disease, respiratory rate, and/or body temperature. Here, we analyzed the composition of surfactant in three heterothermic mammals (dunnart, bat, squirrel), displaying different torpor patterns, to determine: 1) whether increases in surfactant cholesterol (Chol) and phospholipid (PL) saturation occur during long-term torpor in squirrels, as in bats and dunnarts; 2) w
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Knight, K. "DUNNARTS' DEVELOPMENT ADAPTS." Journal of Experimental Biology 215, no. 9 (April 11, 2012): iii. http://dx.doi.org/10.1242/jeb.073072.

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Yousef, A., and L. Selwood. "Embryonic development in culture of the marsupials Antechinus stuartii (Macleay) and Sminthopsis macroura (Spencer) during preimplantation stages." Reproduction, Fertility and Development 5, no. 4 (1993): 445. http://dx.doi.org/10.1071/rd9930445.

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Forty-nine blastocysts from 11 brown antechinus, Antechinus stuartii, and 96 blastocysts from 17 stripe-faced dunnarts, Sminthopsis macroura, were used to develop a culture system for embryos during preimplantation stages. Blastocysts of brown antechinus were collected on Days 6-9 for unilaminar stages, Days 16-21 for bilaminar stages and Days 20 and 21 for trilaminar stages. Blastocysts of stripe-faced dunnarts were collected on Day 6 for unilaminar stages, Days 6-8 for bilaminar stages and Day 8 for trilaminar stages. Culture media were Dulbecco's modified Eagle's medium (DMEM) with 4.5% glu
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Webb, Jonathan K., David Pearson, and Richard Shine. "A small dasyurid predator (Sminthopsis virginiae) rapidly learns to avoid a toxic invader." Wildlife Research 38, no. 8 (2011): 726. http://dx.doi.org/10.1071/wr10206.

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Context Invasive species are a leading cause of extinctions, yet predicting their ecological impacts poses a formidable challenge for conservation biologists. When native predators are naïve to invaders, they may lack appropriate behaviours to deal with the invader. In northern Australia, the invasion of the highly toxic cane toad (Rhinella marina) has caused serious population declines of reptilian and mammalian predators that are ill equipped to deal with toad toxins. Cane toads recently invaded the Kimberley region of Western Australia, where they potentially threaten several species of sma
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Woolley, P. A. "Diurnal resting sites of the nocturnal dasyurid marsupial Sminthopsis douglasi in Bladensburg National Park, Queensland." Australian Mammalogy 39, no. 1 (2017): 121. http://dx.doi.org/10.1071/am16013.

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An attempt has been made to determine where Julia Creek dunnarts (Sminthopsis douglasi), small nocturnal dasyurid marsupials, rest during the day under differing seasonal conditions. A short-term study was carried out in Bladensburg National Park, near the southern edge of its known distribution on the Mitchell grass downs in Queensland. Radio-collared individuals were located in cracks and holes. None of the males and females (including one with young in the pouch) were found to use the same resting site over periods of up to nine days, suggesting that they may be nomadic. Climatic factors ma
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Dissertations / Theses on the topic "Dunnarts"

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Bjursell, Alice. "Identifying the reproductive state of female Julia Creek dunnarts (Sminthopsis douglasi) by behavioural observations." University of Southern Queensland, Faculty of Sciences, 2006. http://eprints.usq.edu.au/archive/00004243/.

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[Abstract]: The Julia Creek dunnart (Sminthopsis douglasi) is an endangered carnivorous marsupial. A recovery plan for the species has been initiated by Queensland Parks and Wildlife Service, which includes captive breeding.An important factor in breeding S. douglasi is the identification of oestrus. The current method to identify oestrus consists of examining urine samplesfor presence of cornified cells. To collect urine, the animals have to be removed from their cages and restrained. This method is stressful for theanimals, as well as time consuming. The aim of this study was to identify spe
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Hayter, Dawn. "Reproductive and social behaviour of the dunnart, sminthopsis crassicaudata /." Title page, contents and abstract only, 1994. http://web4.library.adelaide.edu.au/theses/09SB/09sbh426.pdf.

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Hocking, Michael. "Social interactions and reproductive behaviour of the fat-tailed dunnart, Sminthopsis crassicaudata, in captivity /." Title page, contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09SPS/09spsh685.pdf.

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Books on the topic "Dunnarts"

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Mitchell, Abbie, and Astred Hicks. Hollow Is a Home. CSIRO Publishing, 2019. http://dx.doi.org/10.1071/9781486308064.

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Do you know what a tree hollow is?
 To you and me, a tree hollow is just a hole, cavity or tunnel in a tree or branch. But to an animal, that hollow may be a bedroom, hiding place, nursery or shelter. It is the ultimate tree house!
 Come and take a peek inside the amazing world of tree hollows and discover more than 340 species of incredible Australian animals that call hollows home. With colour photos of glorious gliders, darting dunnarts, minute microbats and many more, this book is full of fun facts about animals that use tree hollows as places for resting, nesting or hiding.&#x0D
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Dunnas. Mustér, CH: Romania, 1993.

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Dunnan, Nancy. Dunnan's Guide To Your Investment$ 2001: The Year-Round Investment Sourcebook for Managing Your Personal Finances (Dunnan's Guide to Your Investments). Collins, 2000.

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Dunnan, Nancy. Dunnan's Guide To Your Investment$ 2001: The Year-Round Investment Sourcebook for Managing Your Personal Finances (Dunnan's Guide to Your Investments). Collins, 2000.

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Dunnan's Guide to Your Investment$ 2000: The Year-Round Investment Sourcebook for Managing Your Personal Finances (Dunnan's Guide to Your Investments, 2000). Collins, 2000.

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Dunnan, Nancy. Dun & Bradstreet Guide to $Your Investments$: 1995 (Dunnan's Guide to Your Investments). Perennial, 1995.

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Dunnan, Nancy. Dun & Bradstreet Guide to $Your Investments$: 1997 (Dunnan's Guide to Your Investments). HarperCollins Publishers, 1997.

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Book chapters on the topic "Dunnarts"

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Dwyer, Tim, Kim Marriott, and Michael Wybrow. "Dunnart: A Constraint-Based Network Diagram Authoring Tool." In Graph Drawing, 420–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00219-9_41.

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