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Letteratura scientifica selezionata sul tema "Small mammals"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 10 marzo 2023

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Articoli di riviste sul tema "Small mammals"

1

Miwa, Yasutsugu, e Kurt K. Sladky. "Small Mammals". Veterinary Clinics of North America: Exotic Animal Practice 19, n. 1 (gennaio 2016): 205–44. http://dx.doi.org/10.1016/j.cvex.2015.09.001.

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Grant, Robyn A., Vicki Breakell e Tony J. Prescott. "Whisker touch sensing guides locomotion in small, quadrupedal mammals". Proceedings of the Royal Society B: Biological Sciences 285, n. 1880 (13 giugno 2018): 20180592. http://dx.doi.org/10.1098/rspb.2018.0592.

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All small mammals have prominent facial whiskers that they employ as tactile sensors to guide navigation and foraging in complex habitats. Nocturnal, arboreal mammals tend to have the longest and most densely packed whiskers, and semi-aquatic mammals have the most sensitive. Here we present evidence to indicate that many small mammals use their whiskers to tactually guide safe foot positioning. Specifically, in 11, small, non-flying mammal species, we demonstrate that forepaw placement always falls within the ground contact zone of the whisker field and that forepaw width is always smaller than whisker span. We also demonstrate commonalities of whisker scanning movements (whisking) and elements of active control, associated with increasing contact with objects of interest, across multiple small mammal species that have previously only been shown in common laboratory animals. Overall, we propose that guiding locomotion, alongside environment exploration, is a common function of whisker touch sensing in small, quadrupedal mammals.

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Whitehead, Tegan, Miriam Goosem e Noel D. Preece. "Use by small mammals of a chronosequence of tropical rainforest revegetation". Wildlife Research 41, n. 3 (2014): 233. http://dx.doi.org/10.1071/wr14082.

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Context The conversion of tropical rainforest to grazing pasture results in a drastic change in small-mammal community composition. Restoring the landscape through ecological revegetation is thus an increasingly important management technique to conserve rainforest mammals. Aims This study aimed to determine the habitat ages at which species of small mammals recolonised revegetated habitats on the southern Atherton Tablelands, north-eastern Queensland, Australia. We focussed on changes in rainforest mammal abundance and diversity with increasing habitat age. Methods Small-mammal trapping and mark–recapture techniques investigated mammal diversity, abundance and community composition within remnant rainforest, three age classes of ecological revegetation and abandoned grazing pasture. Key results Small-mammal community composition differed between remnant rainforest and abandoned grazing pasture. The pasture and 3-year old revegetated sites were similar in composition, both lacking rainforest small mammals. Six- and 7-year old revegetation plantings provided suboptimal habitat for both rainforest and grassland mammals, whereas 16- and 22-year old revegetated habitats were dominated by rainforest species, with some individuals being frequently recaptured. Conclusions As revegetated habitats aged, the small-mammal community composition transitioned from a grassland-like composition to a community dominated by rainforest species. Implications Although rainforest small mammals were very occasionally captured within the 6- and 7-year old habitats, revegetated plantings were not dominated by rainforest species until the habitat was 16 years old. This highlights the importance of commencing revegetation as early as possible to minimise future population declines and maximise the conservation of rainforest mammals.

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Stoddart, D. M. "Urban small mammals". Journal of Zoology 191, n. 3 (20 agosto 2009): 403–6. http://dx.doi.org/10.1111/j.1469-7998.1980.tb01466.x.

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Webster, Wm David. "Small Mammals Rule!" Journal of Mammalian Evolution 18, n. 4 (30 luglio 2011): 289–90. http://dx.doi.org/10.1007/s10914-011-9167-9.

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Asher, S. C., e V. G. Thomas. "Analysis of temporal variation in the diversity of a small mammal community". Canadian Journal of Zoology 63, n. 5 (1 maggio 1985): 1106–9. http://dx.doi.org/10.1139/z85-166.

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The validity of using single-sample surveys to measure small mammal diversity was assessed by measuring the effect of short-term, temporal variation in species diversity on the spatial diversity of small mammals occupying fencerow habitats. The diversity of small mammals varied seasonally. Interaction between changes in richness and evenness accounted for the temporal variation in diversity. Temporal variation was attributed to the response of the small mammals to seasonal changes in the vegetation, to the fluctuation in meadow vole (Microtus pennsylvanicus) captures among seasons, and to the appearance of small numbers of several mammal species during the summer. Significant spatial variation in species diversity existed, but was masked by the effect of seasonal changes in habitat on the small mammals. Erroneous conclusions could therefore be drawn from the pooling of many single-sample surveys of small mammal diversity.

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Paglia, Adriano P., Maria Olímpia G. Lopes, Fernando A. Perini e Heitor M. Cunha. "Mammals of the Estação de Preservação e Desenvolvimento Ambiental de Peti (EPDA-Peti), São Gonçalo do Rio Abaixo, Minas Gerais, Brazil". Lundiana: International Journal of Biodiversity 6, sup. (4 novembre 2005): 89–96. http://dx.doi.org/10.35699/2675-5327.2005.22129.

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This study presents the results of an inventory of the mammal fauna of the Estação de Preservação e Desenvolvimento Ambiental de Peti (EPDA-Peti) a reserve in the transition between the Atlantic Forest and the Cerrado. Eight field campaigns (including trapping for small mammals and mist-netting for bats) were conducted between May 2002 and July 2004. Forty-six mammals belonging to eight orders were recorded. Fifteen species not recorded in previous inventories at the Station were identified; on the other hand, 14 mammals listed in previous studies were not recorded now. The most abundant small mammals at the EPDAPeti were Oligorizomys flavescens, Akodon cursor, Trinomys setosus and Bolomys lasiurus. The small mammal community from the campo rupestre (high altitude, rocky grassland) habitat is distinct from that found in the forest. In spite of the reserve’s small size, mammal species’ richness is relatively high. Possible reasons for this are the diversity of habitats and the fact that EPDA-Peti is located in a transitional zone between the Atlantic Forest and the Cerrado. Key words - Mammals, conservation, diversity, ecology, small mammals, Atlantic Forest, Cerrado.

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Kuiper, T. R., e D. M. Parker. "Grass height is the determinant of sheep grazing effects on small mammals in a savanna ecosystem". Rangeland Journal 35, n. 4 (2013): 403. http://dx.doi.org/10.1071/rj13063.

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Small mammals play an important role in many ecosystems; hence, the factors that influence their community structure are of interest. Ungulate grazing is one such factor, and this study focussed on the effect of sheep (Ovis aries) grazing in a savanna ecosystem on small-mammal community structure. In a landscape-scale assessment, small-mammal community structure was compared at three different levels of grazing on a sheep farm in the Sub-Escarpment Savanna of the Eastern Cape, South Africa. In total, 97 small-mammal individuals across seven species were trapped. Of these individuals, 81.4% were trapped on the no-grazing control, whereas 15.5% and 3.1% were trapped on the medium- and high-grazing treatments, respectively. The results showed that the only significant differences in abundance, diversity, evenness, and richness of small mammals among grazing treatments were those mediated by the effect of grazing on grass height. It is proposed that the reduction in grass height associated with grazing is the primary mechanism by which sheep adversely affect small mammals in this ecosystem. This could be explained by the increased exposure of small mammals to predators after grazing of grass by sheep, and food competition between sheep and small mammals. The data also suggest that small mammals may persist in small and isolated patches of suitable habitat (long grass) within heavily grazed pastures subjected to rotational grazing. In the broader context of community ecology, this study sheds light on cryptic and dynamic interactions between two quite different grazing guilds. Experimental work of this kind may help to determine the role of introduced sheep in biodiversity loss of small mammals across the globe.

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Raphela, Tlou D., e Kevin J. Duffy. "Effects of the Density of Invasive Lantana camara Plants on the Biodiversity of Large and Small Mammals in the Groenkloof Nature Reserve (GNR) in South Africa". Biology 12, n. 2 (13 febbraio 2023): 296. http://dx.doi.org/10.3390/biology12020296.

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Multi-scale approaches have been used to determine scales at which mammal species are responding to habitat destruction due to invasion, but the impacts of weeds on mammals have not been extensively studied, especially in Africa. Inside the Groenkloof Nature Reserve (GNR), we assessed how mammals are affected by an invasive weed Lantana camara. A series of models were applied to determine the differences in species abundance as well as richness, separated for large and small mammals. When diversity indices were used, an Analysis of Variance (ANOVA) revealed no statistically significant difference between treatments (F5 = 0.233, p = 0.945) for large mammals. The results of a Generalised Linear Mixed Model (GLMM) showed that vegetation type (Wald χ22 = 120.156; p < 0.01) and foraging guilds (Wald χ23 = 76.771; p < 0.01) were significant predictors of large mammal species richness. However, for small mammals, the results of a GLMM showed that only treatment type (Wald χ25 = 10.62; p = 0.050) was a significant predictor of the number of small mammals trapped. In addition, the ANOVA revealed statistically significant differences in species diversity between treatments (F5 = 0.934; p < 0.001) and by season (F1 = 9.122 p = 0.003) for small mammals. The presence of L. camara coupled with other predictors was associated with differences in large mammal abundances and diversity, and differences in how these large mammals were distributed across the landscape. Furthermore, the highest species diversity was found in the spring for small mammals. Therefore, for all the mammals studied, the presence of L. camara negatively affected species abundance, richness, and diversity, as well as how these species were distributed across the invaded and cleared areas.

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Meulman, EP, e NI Klomp. "A New Holding-Cage for Small Mammals." Wildlife Research 23, n. 2 (1996): 245. http://dx.doi.org/10.1071/wr9960245.

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A new type of holding-cage is described that can be used to hold, weigh and examine small mammals caught in Elliott traps without the need for handling the animal, thus reducing the risk of disease transmission (e.g. of leptospirosis) from animal to researcher. The holding-cage is light, robust and easily carried in the field. The design includes a drawer to hold the equipment usually required by field researchers of small mammals. This new holding-cage is reported to be particularly useful for studies of mammal populations involving marked individuals that are repeatedly trapped, weighed and released.

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Tesi sul tema "Small mammals"

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Pearch, Malcolm J. "Small mammal biodiversity in Nepal". Available from the University of Aberdeen Library and Historic Collections Digital Resources. Restricted: no access until June 2, 2014, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=26193.

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Mohamed, H. A. "Studies on protozoan parasites of small mammals". Thesis, University of Salford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374504.

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Al, Jothery Aqeel Handil Tarish. "Lactation and oxidative stress in small mammals". Thesis, University of Aberdeen, 2014. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=215095.

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During peak lactation female mammals reach a limit in their maximal sustained energy intake (SusEI). The causes of such limits is disputed. In this thesis, I examined the causes of the limits on SusEI at peak lactation, and then explored the consequences of such limits for reproductive performance. Finally I tested a possible physiological mechanism that may underpin the trade-off between reproduction and somatic protection (the oxidative stress theory). To answer these questions, I studied reproductive performance and oxidative stress in two lines of mice previously selected for high and low food intake (MH and ML, respectively). I found that these mice reached a plateau in their food intake around day 13 of lactation. In support of the heat dissipation limits theory, reproductive performance in the MH mice was significantly higher than that of the ML mice. Oxidative damage is expected to be higher among lactating individuals. Moreover, lactating mice with greater reproductive performance are also predicted to experience more oxidative damage. By measuring multiple-markers of oxidative damage and protection in different tissues, I found that lactation resulted in reduced oxidative damage in both brain and serum. Additionally, it did not increase oxidative damage to proteins and DNA in liver. Moreover, multiple measures of oxidative stress in the mammary gland were not significantly different between mice with different reproductive effort. Furthermore, I found that lactating mice with greater reproductive performance (litter size and litter mass) had reduced protein damage in their livers and upregulated protection (HSP70) in their brains. These results were inconsistent with the oxidative stress theory. Finally, I employed a novel approach to assess oxidative stress differences with metabolomics analysis. I found that lactation resulted in significant differences in the metabolome. By focusing on the metabolites that are related to vi oxidative stress, I found that most of these metabolites measured in livers and brains were not affected by lactation which provides more evidence against the oxidative stress theory. My results provide support for the heat dissipation theory as a mechanism explaining the limits on reproductive performance. Moreover it provides comprehensive information against oxidative stress as a mediator of life history trade-offs.

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Moon, Derek. "Small mammals in disturbed tallgrass prairie landscapes". Thesis, Kansas State University, 2012. http://hdl.handle.net/2097/13345.

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Master of Science
Department of Biology
Jack Cully, Jr.
Disturbance is defined as any discrete event that disrupts ecosystem, community, or population structure and changes resources, substrate availability, or the physical environment. Habitat use by an organism is based on its perception of where to maximize its own fitness, and can be altered in response to disturbance-induced changes in resources, substrate, or physical features modified by disturbance. Disturbance-induced changes to vegetation structure reshape a small mammal’s surrounding physical environment and/or resources, and may influence its utilization of an area. Effective wildlife and resource management is dependent on a thorough understanding of how individual species and communities utilize their surroundings and how disturbance affects a species’ response to changes in its surroundings. We investigated seasonal habitat associations of three small mammal species and for overall species diversity across a gradient of military combat-vehicle disturbance intensities at the Fort Riley Military Reservation, Kansas. Deer mouse (Peromyscus maniculatus) abundance did not vary across a categorical gradient of disturbance created by military-combat vehicles, regardless of season. Western harvest mouse (Reithrodontomys megalotis) abundance was associated with more highly disturbed areas irrespective of season. Prairie vole (Microtus ochrogaster) abundance was associated with habitat that was less disturbed in the spring but more highly disturbed in the fall. Shannon diversity of the small mammal community was higher in the more highly disturbed areas regardless of season. This research shows that small mammals respond to disturbances created by military training with combat vehicles in a species-specific manner, and indicates that there may be differences in the effects of military training versus natural or agricultural disturbances on the abundance and diversity of small mammals. This is an important consideration given that the Department of Defense manages more than 12 million ha of land in the United States, and is charged under the Sikes Act with conserving natural resources on these lands, including biological diversity. Thus, the findings of other ecological research on the effects of disturbance on small mammals may not be directly applicable to the types of disturbances that occur on military lands, which underscores the need for further research on the specific effects of military-training activities on species’ responses.

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Peacock, Wendy Lorraine. "Adaptive aspects of fat storage in small mammals". Thesis, University of Aberdeen, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288387.

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This thesis examines the effect of diet, photoperiod and perceived predation risk on the body composition and energy balance of voles (Clethrionomys sp and Microtus sp). These rodents are able to regulate their fat mass in response to the changeable environment in which they live by adjusting components of their energy intake and expenditure; thus making them potential candidates for the study of obesity. Throughout, body composition was determined using both destructive (dissections, Soxhlet) and non-destructive techniques (total body electrical conductivity (TOBEC), morphometrics), whilst energetic variables measured included food intake, assimilation efficiency, resting metabolic rate and daily energy expenditure (DEE). In addition, the usefulness of four non-destructive methods of measuring body composition in voles was assessed and compared to chemical analysis. When fed a diet high in fat (45 %), bank voles (Clethrionomys glareolus) reduced their food intake such that the amount of energy assimilated was equal to that on the control diet and increased fat oxidation to match intake almost immediately. On a standard diet, these voles gained approximately 10% body mass when switched from short to long photoperiod without corresponding adjustments in energy intake or expenditure, even during the period of most weight gain. When weasel (Mustela nivalis) faeces was introduced to simulate predation risk, male bank voles reduced the amount of body mass gained in response to photoperiod change, concurrent with a reduction in food intake and an increase in DEE. Both male and female voles exhibited elevated levels of faecal corticosterone when exposed to weasel faeces, indicating increased stress. In a field experiment, male field voles (Microtus agrestis) from sites with low weasel activity were heavier than those from sites with high weasel activity. There were no differences in body mass between sites with differing vole density.

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Crumpton, Nicholas John. "Osteological correlates of sensory systems in small mammals". Thesis, University of Cambridge, 2014. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.707958.

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Spicer, Julie. "Small mammals of Point Pelee National Park, protecting biodiversity in small reserves". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq21892.pdf.

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Mamone, Mario Salvatore. "A comparative study of small mammal communities in riparian and upland mixed-conifer forest habitats /". View full-text version online through Southern Oregon Digital Archives, 1994. http://soda.sou.edu/awdata/040308a1.pdf.

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Thesis (M.S.)--Southern Oregon State College, 1994.
Typescript. Includes bibliographical references (leaves 73-80). Also available via Internet as PDF file through Southern Oregon Digital Archives: http://soda.sou.edu. Search Bioregion Collection.

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Gelling, Merryl. "Health and welfare in reintroductions : Lessons from small mammals". Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.525311.

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Rogers, Lucy Margaret. "The ecology of small mammals in set-aside land". Thesis, University of Aberdeen, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366123.

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The ecology of small mammal communities found in set-aside and adjacent farm land was investigated to determine the ecological consequences of set-aside land to small mammals. Field work was carried out for two years at three study sites in NE Scotland. First Aldroughty farm, a mosaic of set-aside, crop and semi-natural land. The two remaining study sites; Ythan Lodge at Newburgh, and Fraser's farm near Aldroughty, were whole fields of set-aside. Wood mice Apodemus sylvaticus, bank voles Clethrionomys glareolus and field voles Microtus agrestis were trapped in the habitat mosaic at Aldroughty, and wood mice and field voles in the set-aside at Newburgh. Wood mice had higher densities, greater survival, heavier weights, longer breeding seasons and more juveniles at Aldroughty than Newburgh. These differences were thought to be due to a difference in habitat productivity between the two sites. Field voles showed less of a difference in population dynamics between Aldroughty and Newburgh, and both species of vole maintained populations at low density. The home range size of 33 wood mice was measured using radiotelemetry. At both study sites home range size was smaller than in other habitats revealed by other studies. The apparently anomalous results obtained, of low population densities and small home range sizes of wood mice in the set-aside at Newburgh, may have been due to predation from cats Felis catus. Wood mice showed no clear habitat preference, nesting and foraging in all habitat types, while both vole species showed almost exclusive preference for rough grassland. An assessment of the habitat characteristics of the study sites showed that there was heterogeneity in the vegetation communities found in set-aside.

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Libri sul tema "Small mammals"

1

J, Jennings Terry. Small mammals. Mankato, Minn: QEB Pub., 2010.

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Ganeri, Anita. Small mammals. New York: F. Watts, 1993.

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Costain, Meredith. Mammals great and small. New York: PowerKids Press, 2015.

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Halle, Stefan, e Nils Christian Stenseth, a cura di. Activity Patterns in Small Mammals. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-18264-8.

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Barrett, Gary W., e John D. Peles, a cura di. Landscape Ecology of Small Mammals. New York, NY: Springer New York, 1999. http://dx.doi.org/10.1007/978-0-387-21622-5.

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Degen, A. Allan. Ecophysiology of Small Desert Mammals. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-60351-8.

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Degen, A. Allan. Ecophysiology of small desert mammals. Berlin: Springer, 1997.

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The biology of small mammals. Baltimore: Johns Hopkins University Press, 2009.

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W, Barrett Gary, e Peles John D, a cura di. Landscape ecology of small mammals. New York: Springer, 1999.

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Somervill, Barbara A. Small indian mongoose. Ann Arbor, Mich: Cherry Lake Pub., 2010.

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Capitoli di libri sul tema "Small mammals"

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Aspinall, V., M. Cappello e C. Phillips. "Small exotic mammals." In Introduction to animal and veterinary anatomy and physiology, 171–85. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781789241150.0171.

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Chastain, C. B. "Other Small Mammals". In Concise Textbook of Small Animal Handling, 129–63. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003110927-5.

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Urban, Alexander. "Truffles and Small Mammals". In Soil Biology, 353–73. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-31436-5_21.

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Sinclair, A. R. E. "Do large mammals disperse like small mammals?" In Animal Dispersal, 229–42. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2338-9_10.

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Erkert, Hans G. "Bats — Flying Nocturnal Mammals". In Activity Patterns in Small Mammals, 253–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-18264-8_16.

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Girling, Simon J. "Common Diseases of Small Mammals". In Veterinary Nursing of Exotic Pets, 59–90. West Sussex, UK: Blackwell Publishing, Ltd,., 2013. http://dx.doi.org/10.1002/9781118782941.ch5.

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Mayer, Jörg, e Robert D. Ness. "Laser Therapy for Exotic Small Mammals". In Laser Therapy in Veterinary Medicine, 285–97. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119220190.ch26.

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Singh, Partap, R. S. Tripathi e B. K. Sharma. "Non-Volant Small Mammals of Rajasthan". In Faunal Heritage of Rajasthan, India, 549–61. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0800-0_22.

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Mehlhorn, Heinz. "Trichuridae of Carnivores and Small Mammals". In Encyclopedia of Parasitology, 2869–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43978-4_5073.

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Mehlhorn, Heinz. "Trichuridae of Carnivores and Small Mammals". In Encyclopedia of Parasitology, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-27769-6_5073-1.

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Atti di convegni sul tema "Small mammals"

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Luchnikova, E. M., V. B. Ilyashenko, N. S. Teplova, A. V. Kovalevskiy e K. S. Zubko. "IMPACT OF AGROCENOSES ON THE POPULATIONS OF SMALL MAMMALS OF RECREATIONAL PINE FORESTS IN THE TOM RIVER VALLEY". In STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS. DSTU-PRINT, 2020. http://dx.doi.org/10.23947/interagro.2020.1.688-692.

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The paper is devoted to studying the influence of agricultural lands on the formation of small mammal communities in the pine forests of the Tom River Valley. For the analysis, we took sites of natural and artificial pine forests of different areas experiencing various anthropogenic pressures. A relationship was found between the size of the pine forest and its resistance to invasive species. The creation of artificial pine forests in the forest-steppe does not lead to the formation of typical forest communities of small mammals, due to their limited ability to resettle.

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Vertyankin, Vladimir. "Hands Free: An on-boat device to conduct small boat-based surveys and photograph marine mammals for the purpose of their photoidentification". In Marine mammals of the Holarctic. RPO “Marine Mammal Council”, 2020. http://dx.doi.org/10.35267/978-5-9904294-7-5-2020-1-79-86.

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Shin, Bok-Suk, Yihui Zheng, James Russell e Reinhard Klette. "Improved segmentation for footprint recognition of small mammals". In the 27th Conference. New York, New York, USA: ACM Press, 2012. http://dx.doi.org/10.1145/2425836.2425890.

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4

Shim, Kyuwon, Andre Barczak, Napoleon Reyes e Nasim Ahmed. "Small mammals and bird detection using IoT devices". In 2021 36th International Conference on Image and Vision Computing New Zealand (IVCNZ). IEEE, 2021. http://dx.doi.org/10.1109/ivcnz54163.2021.9653430.

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5

Apolloni, Nadine, Bettina Almasi e Reto Spaar. "Large-scale sampling of small mammals throughout the year". In 5th European Congress of Conservation Biology. Jyväskylä: Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/107414.

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6

Rerucha, Simon, Petr Jedlicka, Jan Hrabina, Martin Cizek, Bretislav Mikel, Ondrej Cip, Tomas Bartonicka e Radek Helan. "Miniaturized GPS position logger for tracking of small mammals". In 2017 6th Mediterranean Conference on Embedded Computing (MECO). IEEE, 2017. http://dx.doi.org/10.1109/meco.2017.7977242.

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7

Malikov, D. G., e S. E. Golovanov. "STRATIGRAPHIC DISTRIBUTION OF NEOPLEISTOCENE SMALL MAMMALS OF THE PREDALTAI PLAIN". In PALEONTOLOGY, STRATIGRAPHY AND PALEOGEOGRAPHY OF THE MESOZOIC AND CENOZOIC IN BOREAL REGIONS. Trofimuk Institute of Petroleum Geology and Geophysics (SB RAS), 2021. http://dx.doi.org/10.18303/b978-5-4262-0104-0-340.

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8

Guzas, Emily L., Stephen E. Turner, Matthew Babina, Brandon Casper, Thomas N. Fetherston e Joseph M. Ambrico. "Validation of a Surrogate Model for Marine Mammal Lung Dynamics Under Underwater Explosive Impulse". In ASME 2019 Verification and Validation Symposium. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/vvs2019-5143.

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Abstract (sommario):

Abstract Primary blast injury (PBI), which relates gross blast-related trauma or traces of injury in air-filled tissues or those tissues adjacent to air-filled regions (rupture/lesions, contusions, hemorrhaging), has been documented in a number of marine mammal species after blast exposure [1, 2, 3]. However, very little is known about marine mammal susceptibility to PBI except in rare cases of opportunistic studies. As a result, traditional techniques rely on analyses using small-scale terrestrial mammals as surrogates for large-scale marine mammals. For an In-house Laboratory Independent Research (ILIR) project sponsored by the Office of Naval Research (ONR), researchers at the Naval Undersea Warfare Center, Division Newport (NUWCDIVNPT), have undertaken a broad 3-year effort to integrate computational fluid-structure interaction techniques with marine mammal anatomical structure. The intent is to numerically simulate the dynamic response of a marine mammal thoracic cavity and air-filled lungs to shock loading, to enhance understanding of marine mammal lungs to shock loading in the underwater environment. In the absence of appropriate test data from live marine mammals, a crucial part of this work involves code validation to test data for a suitable surrogate test problem. This research employs a surrogate of an air-filled spherical membrane structure subjected to shock loading as a first order approximation to understanding marine mammal lung response to underwater explosions (UNDEX). This approach incrementally improves upon the currently used one-dimensional spherical air bubble approximation to marine mammal lung response by providing an encapsulating boundary for the air. The encapsulating structure is membranous, with minimal simplified representation not accounting for marine mammal species-specific and individual animal differences in tissue composition, rib mechanics, and mechanical properties of interior lung tissue. NUWCDIVNPT partnered with the Naval Submarine Medical Research Laboratory (NSMRL) to design and execute a set of experiments to investigate the shock response of an air-filled rubber dodgeball in a shallow underwater environment. These tests took place in the 2.13 m (7-ft) diameter pressure tank at the University of Rhode Island, with test measurements including pressure data and digital image correlation (DIC) data captured with high-speed cameras in a stereo setup. The authors developed 3-dimensional computational models of the dodgeball experiments using Dynamic System Mechanics Advanced Simulation (DYSMAS), a Navy fluid-structure interaction code. DYSMAS models of a variety of different problems involving submerged pressure vessel structures responding to hydrostatic and/or UNDEX loading have been validated against test data [4]. Proper validation of fluid structure interaction simulations is quite challenging, requiring measurements in both the fluid and structure domains. This paper details the development of metrics for comparison between test measurements and simulation results, with a discussion of potential sources of uncertainty.

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Aminian, K., X. Thouvenin, Ph Robert, J. Seydoux e L. Girardier. "A piezoelectric belt for cardiac pulse and respiration measurements on small mammals". In 1992 14th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1992. http://dx.doi.org/10.1109/iembs.1992.5761499.

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Aminian, Thouvenin, Robert, Seydoux e Girardier. "A Piezoelectric Belt For Cardiac Pulse And Respiration Measurements On Small Mammals". In Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1992. http://dx.doi.org/10.1109/iembs.1992.592940.

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Rapporti di organizzazioni sul tema "Small mammals"

1

Yunger, John A. Predation, Competition, and Abiotic Disturbance: Population Dynamics of Small Mammals. Office of Scientific and Technical Information (OSTI), gennaio 1996. http://dx.doi.org/10.2172/1415802.

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2

Yunger, John A. Predation, Competition, and Abiotic Disturbance: Population Dynamics of Small Mammals. Office of Scientific and Technical Information (OSTI), gennaio 1996. http://dx.doi.org/10.2172/971009.

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3

Huijser, M. P., Robert J. Ament, M. Bell, A. P. Clevenger, E. R. Fairbank, K. E. Gunson e T. McGuire. Animal Vehicle Collision Reduction and Habitat Connectivity Pooled Fund Study – Literature Review. Nevada Department of Transportation, dicembre 2021. http://dx.doi.org/10.15788/ndot2021.12.

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This report contains a summary of past research and new knowledge about the effectiveness of mitigation measures aimed at reducing animal-vehicle collisions and at providing safe crossing opportunities for wildlife. The measures are aimed at terrestrial large bodied wild mammal species, free roaming large livestock species (e.g. cattle, horses), free roaming large feral species (e.g. “wild” horses and burros), and small animal species (amphibians, reptiles, and small mammals). While mitigation is common, it is best to follow a three-step approach: avoidance, mitigation, and compensation or “off-site” mitigation. If reducing collisions with large wild mammals is the only objective, the most effective measures include roadside animal detection systems, wildlife culling, wildlife relocation, anti-fertility treatments, wildlife barriers (fences),and wildlife fences in combination with wildlife crossing structures. If the objectives also include maintaining or improving connectivity for large wild mammals, then wildlife barriers (fences) in combination with wildlife crossing structures are most effective. Measures for large domestic mammal species are largely similar, though for free roaming livestock there are legal, moral and ethical issues. For small animal species, temporary or permanent road closure and road removal are sometimes implemented, but barriers in combination with crossing structures are the most common.

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4

Rumble, Mark A., e John E. Gobeille. Small mammals in successional prairie woodlands of the northern Great Plains. Ft. Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2001. http://dx.doi.org/10.2737/rmrs-rp-28.

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5

Biggs, J., K. Bennett e P. Fresquez. Radionuclide contaminant analysis of small mammals at Area G, TA-54, 1994. Office of Scientific and Technical Information (OSTI), settembre 1995. http://dx.doi.org/10.2172/106543.

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6

Kendall, Ronald J. Ecological Risk Assessment of Ammonium Perchlorate on Fish, Amphibians, and Small Mammals. Fort Belvoir, VA: Defense Technical Information Center, febbraio 2003. http://dx.doi.org/10.21236/ada469870.

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7

Jannik, T., K. Minter, W. Kuhne e W. Kubilius. Biota dose assessment of small mammals sampled near uranium mines in northern Arizona. Office of Scientific and Technical Information (OSTI), gennaio 2018. http://dx.doi.org/10.2172/1418129.

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8

Landeen, D. S. Comparison of radionuclide levels in soil, sagebrush, plant litter, cryptogams, and small mammals. Office of Scientific and Technical Information (OSTI), settembre 1994. http://dx.doi.org/10.2172/10189845.

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9

Pearson, Dean E. Small mammals of the Bitterroot National Forest: A literature review and annotated bibliography. Ft. Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 1999. http://dx.doi.org/10.2737/rmrs-gtr-25.

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10

Kirk, Gayle. A Survey of Small Mammals on Islands in the Columbia and Willamette Rivers. Portland State University Library, gennaio 2000. http://dx.doi.org/10.15760/etd.2359.

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