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Статті в журналах з теми "Pseudomys australis Anatomy":

1
Wong, Y. C., W. G. Breed, and P. H. Chow. "Ultrastructural Features of the Ventral Prostate Epithelial Cells in the Australian Plains Rat, Pseudomys australis." Cells Tissues Organs 133, no. 4 (1988): 289–96. http://dx.doi.org/10.1159/000146656.
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2
Flaherty, Sean P. "Further ultrastructural observations on the sperm head of the plains mouse,Pseudomys australis (Rodentia: Muridae)." Anatomical Record 217, no. 3 (March 1987): 240–49. http://dx.doi.org/10.1002/ar.1092170304.
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3
Brandle, R., K. E. Moseby, and M. Adams. "The distribution, habitat requirements and conservation status of the plains rat, Pseudomys australis (Rodentia : Muridae)." Wildlife Research 26, no. 4 (1999): 463. http://dx.doi.org/10.1071/wr97060.
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Species in the Pseudomys australis complex were historically widely distributed in a variety of habitats over southern Australia. By 1990 the group had apparently declined to a single species in the centre of its former range in the north-western Lake Eyre Basin, in gibber plain areas. In the past, the species has been collected only after exceptional annual rainfall. This study sought to define the current distribution of P. australis and to determine its preferred habitats during the usual prolonged dry periods. Allozyme electrophoresis on blood and tissue samples were used to investigate the genetic distinctiveness of geographically separated populations. The known distribution has been extended along a belt of gibber habitats running from north-west of Lake Eyre on the Northern Territory border to south of Lake Eyre South, and a discrete population inhabiting gibber tableland west of Lake Torrens. Pseudomys australis was extant in low-lying patches of deep cracking clay associated with minor drainage features and small depressions of cracking clay ‘gilgai’ common on some gibber plains. The former type sustained significantly denser populations, which we suggest represent ‘source’ habitats or ‘refugia’ during droughts. Many of the 16 localities at which the species was recorded are geographically separated; however, electrophoretic analyses showed high levels of allozyme heterozygosity and no evidence of speciation.
4
Leggett, Keith E. A., Thanuri Welaratne, Michael Letnic, Steven McLeod, and Terence Dawson. "Rediscovery of the plains mouse (Pseudomys australis) (Rodentia : Muridae) in New South Wales." Australian Mammalogy 40, no. 1 (2018): 127. http://dx.doi.org/10.1071/am16046.
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We report the rediscovery of the rare and endangered native rodent, the plains mouse (Pseudomys australis) in New South Wales (NSW). Two plains mice were trapped in the far west of the state at Fowlers Gap Arid Zone Research Station and another in the NSW section of the Strzelecki Desert. Until these captures, the plains mouse was thought to have been extinct in NSW. Subfossil records indicate that these observations are within the pre-European settlement range of the species. It is uncertain whether these captures represent a range expansion from known populations in northern South Australia or reflect a local refuge population. Ensuring the conservation of P. australis in NSW requires further study to determine its distribution and the factors influencing its abundance.
5
Brandle, R., and K. E. Moseby. "Comparative ecology of two populations of Pseudomys australis in northern South Australia." Wildlife Research 26, no. 4 (1999): 541. http://dx.doi.org/10.1071/wr97049.
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Two disparate populations of Pseudomys australis, in the southern and north-western Lake Eyre Basin of South Australia, were studied over a 3-year period using trapping and radio-tracking techniques. Various aspects of the species’ ecology were investigated. Past records of the species were almost always associated with population irruptions following exceptionally wet years. Aspects of population dynamics, fine-scale habitat use, activity ranges and burrows were studied and related to habitat condition during three dry seasons following a good season. Both areas were associated with floodout plains in a gibber desert environment but differed in soils and vegetation structure. The population dynamics and structure and home-range activity also differed. These differences appeared to relate to the availability and distribution of food and shelter in the respective locations. The differences between populations in the two areas are discussed with reference to the source/sink and refugia concepts.
6
Pollanen, P., and WG Breed. "Transillumination patterns of seminiferous tubules in two species of Australian rodents, Pseudomys australis and Notomys alexis." Reproduction, Fertility and Development 3, no. 3 (1991): 303. http://dx.doi.org/10.1071/rd9910303.
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The transillumination-assisted isolation of segments of seminiferous tubules in defined stages of the wave of the seminiferous epithelium was investigated in Pseudomys australis and Notomys alexis. In P. australis, three different transillumination patterns (pale, spotty and dark) of the seminiferous tubules could be isolated. They corresponded to histological stages 1-2, 3-5 and 6-8 of the wave of the seminiferous epithelium. The dark pattern made up about 40% of the wave, the pale pattern about 31%, and the spotty pattern about 24%. In N. alexis, no such isolation of segments with particular cell associations was possible. In a comparison of P. australis with the laboratory rat, the dark, pale and spotty transillumination patterns of seminiferous tubule segments corresponded to the same cell associations in both species, but the length of the spotty segments in the laboratory rat made it possible to subdivide the spotty region into pale spotty and dark spotty areas and thus to isolate four different transillumination patterns. Further separation into other subgroups to isolate additional types of segments could not be performed repeatedly in any of the studied species because of the gradual change of one subgroup of transillumination pattern into another and the short length of some of the subgroups.
7
Seebeck, John, and Peter Menkhorst. "Status and conservation of the rodents of Victoria." Wildlife Research 27, no. 4 (2000): 357. http://dx.doi.org/10.1071/wr97055.
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Nineteen species of rodents, in two families, have been recorded from Victoria in the modern era. Eighteen are of the family Muridae, represented by 15 native and 3 introduced species. The other species, now extinct in Victoria, was the introduced Sciurus carolinensis. Six of the native species are extinct, one is classified Critically Endangered, one Endangered and four Lower Risk – near threatened. Four of the extinct species were restricted to the semi-arid far north-west; these were Leporillus apicalis, L. conditor, Pseudomys bolami and P. desertor. The two other extinct species, Conilurus albipes and Pseudomys australis, inhabited open forest/woodland, and grassy ecosystems. Extant species include Rattus fuscipes and R. lutreolus, both in the sub-family Murinae; both are widespread and common, particularly in southern Victoria. The remaining seven species are in the sub-family Hydromyinae. Hydromys chrysogaster is widespread in waterbodies throughout the state. Notomys mitchellii and Pseudomys apodemoides occur in dry habitats in the north-west of Victoria; they are uncommon, but most of their habitat is reserved. Mastacomys fuscus, found in higher-rainfall areas of southern and eastern Victoria, from coastal dunes to alpine snowfields, is uncommon. The distribution of Pseudomys fumeus is disjunct, in four widely separated areas. It is classified as Endangered. P. shortridgei is restricted to the Grampians and south-western Victoria, where it may be locally common. The most geographically restricted rodent species in Victoria, Pseudomys novaehollandiae, is Critically Endangered and is the subject of special conservation measures. The most critical threats to rodent populations in Victoria are considered to be (1) the lack of active habitat management for those species that require early seral stages in vegetation, (2) predation by introduced carnivores, and (3) the fragmentation of species into small genetically isolated populations.
8
Crisp, Helen, Reece Pedler, and Katherine Moseby. "The use of hair tubes in detecting irruptive arid-zone rodents." Australian Mammalogy 40, no. 2 (2018): 230. http://dx.doi.org/10.1071/am15025.
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Populations of many arid-zone rodents are known to fluctuate dramatically in response to the boom–bust cycles of the dynamic landscapes in which they occur. This constrains their study, particularly efforts to determine the location and functioning of important refuge areas. The nationally vulnerable plains mouse (Pseudomys australis) undergoes dramatic population changes in response to rainfall and associated resource abundance. At low population density during resource shortages, the species can be present yet undetectable by conventional trapping methods. We piloted the use of hair tubes as an alternative to trapping, trialling designs effective in detecting P. australis. Baited 25-mm- or 32-mm-diameter × 200-mm-long tubes with double-sided cloth tape in the entrance were effective in collecting P. australis hair. Each of the 21 detections of the species’ presence through hair tubes was confirmed using other methods. Hair tubes effectively detected the species, including during times when Elliott trapping yielded low capture rates and observational techniques failed to detect them. Hair tubes may present a time- and cost-efficient tool for determining the presence of P. australis and other cryptic small mammals in remote arid landscapes.
9
Allen, B., J. L. Read, and G. Medlin. "Additional records of small mammals in northern South Australia." Australian Mammalogy 33, no. 1 (2011): 68. http://dx.doi.org/10.1071/am10032.
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Analysis of prey remains found in predator scats is a valuable tool for assessing the distribution and status of small mammal populations. As part of a large-scale dingo research project in northern South Australia, the prey remains found in 1845 dingo scats were analysed. A range of species were identified as expected, though, of particular interest, additional records of Rattus villosissimus, Notomys fuscus and Pseudomys australis were obtained. Our R. villosissimus records confirm the contemporary range of this species in the north-eastern pastoral zone, while our N. fuscus records support other recent records of this species in the same area. Our P. australis record indicates that an isolated population of this species exists in the Strzelecki Desert, ~400 km east of the nearest known population. The status of these populations remains unknown, including the risk of dingo predation to them.
10
Flaherty, Sean P., and William G. Breed. "Formation of the ventral hooks on the sperm head of the plains mouse,Pseudomys australis." Gamete Research 17, no. 2 (June 1987): 115–29. http://dx.doi.org/10.1002/mrd.1120170204.
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Дисертації з теми "Pseudomys australis Anatomy":

1
Idriss, Dina. "The sperm head cytoskeleton of the Plains rat, Pseudomys australis, a developmental and comparative study." Electronic thesis or dissertation, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ63313.pdf.
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2
Machado, Alex Sander Dias. "Estudo do sistema reprodutor masculino do Lobo-Marinho-do- Sul (Arctocephalus australis)." PublishedVersion, Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/10/10132/tde-05042007-122702/.
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O Lobo-Marinho-do-Sul (Arctocephalus australis), carnívoro, caniforme, membro da superfamília dos Focóides, família Otaridae, é o mais comum mamífero marinho pertencente à fauna brasileira. É freqüentemente avistado, nos meses de outono e inverno na costa do Brasil, desde o Rio de Janeiro até o Rio Grande do Sul. Ainda é discutido se algum dia este animal já possuiu colônias reprodutivas neste país. É histórica a grande pressão antrópica que esta espécie recebeu, sendo explorado pelas populações litorâneas, para aproveitamento de sua pele, óleo e carne desde a antiguidade. No Uruguai, foram por muitos séculos abatidos em números que variavam em torno de 10 mil animais por ano, com o intuito de aproveitamento de sua pele para a confecção de casacos e testículos, para confecção de elixires no Oriente. Porém, deixou de ser explorado comercialmente naquele país na década de 80 e desde então seu número vem aumentando, e por isso especula-se sobre o surgimento de novos sítios reprodutivos em ilhas pedregosas, típicas de sua preferência. É possível até que estuários como o de Cananéia no litoral sul do Estado de São Paulo - BR, possam receber esta espécie nos meses de verão, o que, de acordo com a sazonalidade de sua reprodução, ocorre nesta época. Esse novo "pólo reprodutivo" pode representar um desbravamento de novas áreas (ou mesmo retorno a antigas áreas) pela espécie. É ainda muito escassa a literatura sobre esta espécie e poucos pesquisadores brasileiros a conhecem. Este trabalho buscou através da coleta de indivíduos (cinco jovens e um adulto) em óbito recente, por causas naturais, contribuir com conhecimentos anatômicos, histológicos, ultraestruturais e imuno-histoquímicos do sistema reprodutor masculino do Arctocephalus australis de animais jovens e adultos. Os resultados demonstraram muitas vezes a singularidade da espécie estudada: expressiva queratinização da camada córnea do epitélio escrotal e forte coloração negra nesta região; diferença estrutural existente entre as túnicas albugínea do testículo e do pênis: na primeira observaram-se fibras elásticas bem distribuídas e ausência destas fibras na segunda; ausência de ampolas nos ductos deferentes; uretra pélvica pequena; bulbo do pênis ventral aos pilares penianos e posicionamento singular do seu osso peniano; glande do pênis petaliforme. Encontramos um grande grau de adaptação do sistema reprodutor do macho ao da fêmea, nas duas idades estudadas, demonstrando que a evolução foi direcionada para o ciclo reprodutivo do tipo monoéstrico-estacional, de modo a otimizar a cópula e o volume do ejaculado, garantindo a deposição do sêmem o mais próximo possível do óstio uterino externo da fêmea, e conseqüentemente uma maior taxa de concepção.
The Southern-Fur-Seal (Arctocephalus australis) Carnivora, Caniform, member of the Superfamily Focoidae, Family Otaridae, is the most common marine mammal in brazilian sees, frequently seen in the months of autumn and winter in the coast from Rio de Janeiro until Rio Grande do Sul. There are controversies if some day A. australis already possessed reproductive colonies in this country. The great antropic pressure over the species is historical, being explored by cost populations because of its skin, oil, and meat. In Uruguay, it was slaughtered for many centuries in numbers that reached 10 000 animals per year: the skin was used for the confection of coats and testis, for elixir in the East. However, since the beginning of the decade of 80, commercial exploitation stopped and its number started increasing. Therefore one speculates on the sprouting of new reproductive places in stony islands, typical of its preference, and it is possible that estuaries like Cananéia, in the south coast of the State of São Paulo - BR, started to receiving this species in the summer months, what is in accordance with the reproductive season, which occurs at this time of the year. It can represent an opening of new areas (or even a return the old areas) for the species. Literature is still very scarce on this species and few brazilian researchers know about it. For developing this work, six recent dead for natural causes individuals (five young and one adult) were collected and the reproductive tract was submitted to anatomical, histological, ultrastructural and immunohistochemistry approaches aiming to improve the knowledge about the male reproductive system of the Arctocephalus australis of two ages. Results pointed towards peculiarities of the studied species: expressive keratinization of scrotal epithelium; structural differences between the tunica albuginea in the testis and penis: only in the testis elastic fibers could be observed; no ductus deferens ampulae, small pelvic urethra; glans penis in flower shape. We found a great degree of adaptation of the reproductive system of the male to the one of the female, in the two ages studied, demonstrating that the evolutive orientation was in direction of sazonal-monoestric reproductive cycle, in order to optimize copulation and the volume of the semen, guaranteeing the deposition of the semen as next as possible to the external female uterine ostium and consequently a bigger tax of conception.
3
Machado, Alex Sander Dias. "Órgãos genitais femininos do Lobo-marinho-sul-americano (Arctocephalus australis): uma abordagem morfofuncional." PublishedVersion, Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/10/10132/tde-10022011-085003/.
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O Lobo-marinho-sul-americano (A. australis) apresenta particularidades em seu ciclo reprodutivo que revelam sua interação com o ecossistema onde habita. Dentre estas podemos citar o intervalo entre partos de 12 meses, a sincronização dos partos e cópulas no início do verão, umlongo período de diapausa e uma implantação do blastocisto no inicio do inverno, que ocorre 4 a 5 meses após a cópula. A anatomia e fisiologia reprodutivas desta espécie ainda não foram profundamente estudadas. O presente trabalho tem como objetivo, a partir do emprego de métodos não invasivos de pesquisa, descrever a anatomia, histologia, quando possível a ultraestrutura, e a vascularização arterial dos órgãos genitais femininos, bem como investigar proteínas e RNAs mensageiros de fatores de crescimento relacionados à vascularização nestes tecidos. Os dados morfológicos foram correlacionados com dados ambientais, oriundos de estações climatológicas próximas à área da colônia estudada. O A. australis apresenta especializações morfológicas passíveis de correlação com o ambiente, hábitos reprodutivos e ciclo reprodutivo sazonal. Estas estruturas foram identificadas como importantes em momentos específicos da biologia reprodutiva e auxiliam na manutenção do status de conservação da espécie. Análises dos dados climatológicos e sua relação com as variações durante o ano revelam que os eventos do parto, cópula e implantação embrionária, ocorrem em momentos onde as maiores variações ambientais acontecem. Os dados morfológicos revelam que existe uma interação entre o ciclo reprodutivo e as especializações anatômicas dos órgãos genitais femininos
The South-American-fur-seal (A.australis) presents unique features in its reproductive cycle, which reflect their interaction with the ecosystem where it lives. The parturition interval of 12 months, synchronization of parturition and copulation in the beginning of the summer, long diapause and implantation of the blastocyst in the beginning of the winter, which occurs 4 to 5 months after copulation are some of these features. The anatomy and reproductive physiology of this species have not been widely studied. This work describes the anatomy, histology, some ultrastructural characteristics, and the main arterial vascularization of the female genital organs using non invasive methods. Moreover, this study investigates the proteins and messenger RNAs of growth factors which are related to vascularization in these tissues. An association between morphological and environmental data from climatology stations near the area of the studied colony was investigated. A. australis presented morphological specialization in genital organs, which might be related to the environment, reproductive habits and seasonal reproductive cycle. Some of these identified structures are essential in specific stages of A. australis reproductive biology, and play an important role in the maintenance and conservation status of this species. Analysis of climatological data and their relation with changes over the year showed that parturition, copulation and embrionary implantation occur in time periods where the highest environmental variations take place. Morphological data revealed an interaction between the reproductive cycle and the anatomic specialization of female genital organs
4
Byrne, Amanda J. "Effects of population bottlenecks on the South Island robin, Petroica australis australis." Electronic thesis or dissertation, University of Canterbury. Zoology, 1999. http://hdl.handle.net/10092/6897.
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In New Zealand, birds and other endangered animals are routinely transferred to offshore islands for conservation purposes. Such transfers typically involve only a small number of individuals and thus the effects of a population bottleneck on the 'fitness' of these organisms is of great interest to conservation biologists. In 1973, two populations of the South Island robin, Petroica australis australis, were established on Motuara and Allports Islands from outbred populations on Nukuwaiata Island and Kaikoura, respectively. The effect of these population bottlenecks on fitness related traits in the South Island robin is the subject of this thesis. Reproductive success is an important measure of individual fitness. I measured hatch rate, number of fledged young, and in some instances, number of young that reach independence. The inbred robin population on Motuara Island was found to have lower clutch size, fewer clutches per season, and lower hatching success compared to mainland outbred populations. The study of fluctuating asymmetry has generated increased enthusiasm over the last few decades as a potential tool for examining the overall stability of a population. Numerous studies have found that individuals exhibiting a higher level of heterozygosity usually have lower fluctuating asymmetry. The results of my study provide no evidence to support this association. Thus, the application of fluctuating asymmetry measurements as an easily interpretable conservation tool may not be useful in all situations. There are two main theories on how bird song might evolve in island populations. First, founder effects may constrain song structure and lead to a reduction in song variation. Second, weaker selective pressures for species-specific signals may lead to an increase in song variation. Song variation in the inbred robin population on Motuara Island seems to support the predictions of the second hypothesis. Since the initial transfer, robins on Motuara Island have increased their song variability. Overall, the low hatching success obtained from the South Island robin population on Motuara Island shows that population bottlenecks have a detrimental effect on individual fitness in the robin. However, fluctuating asymmetry measures, which might provide a quick estimate of the 'health' of a population, offered no evidence of detrimental effects. Consequently, there is a need to examine more than one population parameter when drawing conclusions about the effects of population bottlenecks and inbreeding.
5
Korkashvili, Tamar. "Steroidal Glycosides of Cordyline australis." The University of Waikato, 2006. http://hdl.handle.net/10289/2237.
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The n-butanol extract of aerial parts of Cordyline australis demonstrated antifungal activity. n-Butanol and chloroform extracts of dried or fresh leaves of C. australis afforded a steroidal glycoside, which was identified as 5α-spirost-25(27)-en-3β-ol 3-O{O-α-L-rhamnopyranosyl-(1→2)-β-D-glucopyranoside}, saponin 1. This spirostanol glycoside showed strong antifungal activity towards Trichophyton mentagrophytes and some aspecific activity and cytotoxicity against MRC5 cell. The chloroform extract of fresh leaves of C. australis yielded a second new spirostanol glycoside which was identified as 5α-spirost-25(27)-ene-1β,3β-diol 1-{O-α-L-rhamnopyranosyl-(1→2)-β-D-fucopyranoside}, saponin 2. The n-butanol extracts of senescent leaves of C. australis afforded a third new spirostanol glycoside that was identified as 5α-spirost-25(27)-ene-1β,3β-diol 1-{O-β-D- fucopyranoside, saponin 3. A mixture of two isomeric flavonoid glycosides was isolated from dried leaves of C. australis and shown to be a ca 1:1 mixture of isorhamnetin-3-O-{O-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside}, 4 and isorhamnetin-3-O-{O-α-L-rhamnopyranosyl-(1→6)-β-D-galactopyranoside}, 5. Three other known steroidal glycosides, β-sitosterol glucoside, 6, prosapogenin A of dioscin, 7, and trillin, 8 were also isolated from the leaves of C. australis. The n-butanol extract of dried stems of C. australis afforded (25S)-5α-spirostane-1β,3α-diol 1-{O-β-D-glucopyranoside}, 9. This spirostanol glycoside showed moderate cytotoxicity against Herpes simplex type I virus (ATCC VR733) and Polio Virus Type I (Pfiser vaccine strain).
6
Zawawi, Mouafaq Abbas. "Biology of Phragmites australis (Cav.) Trin. ex Steudel." Electronic Thesis or Dissertation, Bangor University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315009.
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7
Colville, Sonia University of Ballarat. "Community response to shading a Phragmites australis reedbed." University of Ballarat, 2005. http://archimedes.ballarat.edu.au:8080/vital/access/HandleResolver/1959.17/12753.
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The consequences of introducing riparian shade on in-stream community structure has not been well explored in south-eastern Australia. With catchment managers focusing on revegetation of riparian zones, there is a need to understand, monitor, and predict changes in ecological patters and processes that may take place as a system shifts from an open to a shaded stream community. Presented in this thesis is a conceptual model portraying possible responses of a macrophyte community to light reduction as a result of the introduction of riparian vegetation. This model was tested in the field by artificially shading sites (three shade treatments) to observe the direct effects of light reduction on Phragmites australis growth and structure and flow-on effects to associated in-stream biota."
Doctor of Philosphy
8
Colville, Sonia. "Community response to shading a Phragmites australis reedbed." University of Ballarat, 2005. http://archimedes.ballarat.edu.au:8080/vital/access/HandleResolver/1959.17/14592.
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The consequences of introducing riparian shade on in-stream community structure has not been well explored in south-eastern Australia. With catchment managers focusing on revegetation of riparian zones, there is a need to understand, monitor, and predict changes in ecological patters and processes that may take place as a system shifts from an open to a shaded stream community. Presented in this thesis is a conceptual model portraying possible responses of a macrophyte community to light reduction as a result of the introduction of riparian vegetation. This model was tested in the field by artificially shading sites (three shade treatments) to observe the direct effects of light reduction on Phragmites australis growth and structure and flow-on effects to associated in-stream biota."
Doctor of Philosphy
9
Armstrong, Jean. "Pathways and mechanisms of aeration in Phragmites australis." Electronic Thesis or Dissertation, University of Hull, 1992. http://hydra.hull.ac.uk/resources/hull:11839.
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This thesis describes an investigation into the aeration pathways, resistances to gas-movement, mechanisms of internal aeration and the locations and quantities of oxygen efflux from the underground parts of the common reed Phragmites australis. The "ventilating pressure concept" was also tested and reappraised. Well-developed interconnecting gas-spaces within the culm, rhizome and roots offered relatively small resistance to either diffusive or convective gas transport, and the porosity of root-rhizome junctions was unusually high. Radial channels located at the nodes proved to be the only connecting points between cortex and pith in culms and rhizomes. Rhizome and old adventitious root surfaces were impermeable to oxygen but the young parts of adventitious roots and the numerous laterals readily released oxygen to anaerobic agar media and soil, markedly raising the redox potential of the rhizosphere. It was discovered that callus readily forms in Phragmites in response to wounding and senescence, blocking the gas-spaces of root-rhizome junctions, leaf-sheath-culm junctions, and rhizome nodal diaphragms. However, the culm-rhizome junctions normally remain callus-free despite senescence of the culms, and gaseous connexion between the underground parts and the atmosphere is thus maintained thoughout the year. A major discovery was that pressurised gas-flows are an important feature in Phragmites' aeration: Venturi- and/or Humidity-induced convections produced much higher rhizome oxygen concentrations and radial oxygen loss from the roots than when rhizome aeration was chiefly diffusive. Both experiments and mathematical modelling demonstrated that comparatively slow rates of convection are sufficient to achieve this. The humidity-induced convection, the first reported in a grass, was shown to be initiated chiefly in living leaf sheaths, the convected gases being transmitted via gas-spaces in the culm to those of the underground rhizome, and vented via old broken culms. The flows are particularly rapid at low atmospheric humidities and increase with increasing PAR. The major mechanism promoting the convection appears to be a humidity- induced diffusion or transitional Knudsen diffusion of atmospheric gases into the plant, the concentration gradient being maintained by the difference in humidity between the interior of the plant and the outer air. The process was mimicked and further investigated using Nuclepore membranes providing important insights into the mechanism and its modelling, and it was shown that pore diameters within the Knudsen regime are not essential to produce the static pressure differentials and convective flows found in Phragmites. The Venturi-induced convection, the first reported example in a plant, is created by the action of winds blowing across tall, dead, broken culms; air is drawn into the rhizome system via short broken culms in more sheltered positions. Mathematical models and polarographic measurements of radial oxygen loss from roots were used to estimate the quantities of oxygen which might be released by Phragmites in the root-zone process of sewage treatment. It was concluded that 5 to 12 g 02 m⁻² day⁻¹ would be a conservative estimate but that the amount could be greater or less depending upon root numbers and their physiological condition, as well as upon soil oxygen demand and diffusivities.
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Quéinnec, Eric. "Activités antioxydantes de l'hémocyanine du scorpion androctonus australis." Paris 6, 1991. http://www.theses.fr/1991PA066297.
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L'hémocyanine de scorpion est une cuproproteine oxyphorique et multimerique qui existe à l'état libre dans l'hémolymphe de l'animal sous sa forme native, ou monomérique elle présente des activités enzymatiques: de type catalase; de type sod ; oxyphorique. Les cinétiques de ces activités ont été quantifiées a l'électrode de Clark et en radiolyse pulsée. Ces propriétés biologiques résistent à des irradiations jusqu'a au moins 4000 gy. Une banque de cdna a été construite afin de cloner la partie active de la protéine

Книги з теми "Pseudomys australis Anatomy":

1
Gallo, Mario. Terra australis. Buenos Aires: La Luna Que, 2006.
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2
Bourgonje, Fleur. Aurora Australis. Amsterdam: De Arbeiderspers, 2006.
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3
Uribe, Victoria. Portus australis: Relatos. [Argentina?: s.n.], 1989.
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4
Seger, Juliane. Der Falklandkarakara: Phalcoboenus australis. Magdeburg: Westarp Wissenschaften, 1997.
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5
Eisler, William. Terra Australis: The furthest shore. Sydney: International Cultural Corporation of Australia, 1988.
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6
Eisler, William Lawrence. Terra Australis: The furthest shore. Sydney, N.S.W., Australia: International Cultural Corp. of Australia, 1988.
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7
Scott, Anne M. European perceptions of Terra Australis. Farnham, Surrey, England: Ashgate, 2012.
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8
Stoddart, D. Michael. The habitat and field biology of the Long-tailed mouse (Pseudomys higginsi. Hobart: Tasmanian Forest Research Council, 1991.
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9
Esson, Louis. Louis Esson: Plays 1 : Terra Australis. [Wollongong, N.S.W.]: Five Islands Press, 1999.
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10
Simpson, Philip. Dancing leaves: The story of New Zealand's cabbage tree, tī kōuka. Christchurch, N.Z: Canterbury University Press, 2000.
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Частини книг з теми "Pseudomys australis Anatomy":

1
Lim, T. K. "Citrus australis." In Edible Medicinal And Non-Medicinal Plants, 629–30. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4053-2_74.
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2
Bährle-Rapp, Marina. "Phragmites australis." In Springer Lexikon Kosmetik und Körperpflege, 425. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_7945.
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3
Barentine, John C. "Sagitta Australis." In The Lost Constellations, 357–62. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-22795-5_23.
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4
Bährle-Rapp, Marina. "Gleditsia Australis Extract." In Springer Lexikon Kosmetik und Körperpflege, 224. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_4270.
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5
Sastry, K. Subramanya, Bikash Mandal, John Hammond, S. W. Scott, and R. W. Briddon. "Acalypha australis (Asian copperleaf)." In Encyclopedia of Plant Viruses and Viroids, 20–21. New Delhi: Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3912-3_7.
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6
Sastry, K. Subramanya, Bikash Mandal, John Hammond, S. W. Scott, and R. W. Briddon. "Plectranthus australis (Swedish ivy)." In Encyclopedia of Plant Viruses and Viroids, 1898. New Delhi: Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3912-3_721.
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Sastry, K. Subramanya, Bikash Mandal, John Hammond, S. W. Scott, and R. W. Briddon. "Sicyos australis (Star cucumber)." In Encyclopedia of Plant Viruses and Viroids, 2210–11. New Delhi: Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3912-3_841.
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Sastry, K. Subramanya, Bikash Mandal, John Hammond, S. W. Scott, and R. W. Briddon. "Cotula australis (Annual buttonweed)." In Encyclopedia of Plant Viruses and Viroids, 657–58. New Delhi: Springer India, 2019. http://dx.doi.org/10.1007/978-81-322-3912-3_256.
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9
Perera, Suvendrini. "Introduction: Terra Australis Infirma." In Australia and the Insular Imagination, 1–14. New York: Palgrave Macmillan US, 2009. http://dx.doi.org/10.1057/9780230103122_1.
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10
Abbasi, Mehmood Arshad, Ripu M. Kunwar, Rainer W. Bussmann, and Narel Y. Paniagua-Zambrana. "Celtis australis L. Cannabaceae." In Ethnobotany of the Himalayas, 1–5. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45597-2_53-1.
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Тези доповідей конференцій з теми "Pseudomys australis Anatomy":

1
Paine, Garth, and Michael Atherton. "Cyberdidj Australis." In the 7th international conference. New York, New York, USA: ACM Press, 2007. http://dx.doi.org/10.1145/1279740.1279863.
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2
Niklaus, Th R., S. H. Sie, and G. F. Suter. "AUSTRALIS: A microbeam AMS beamline." In The fourteenth international conference on the application of accelerators in research and industry. AIP, 1997. http://dx.doi.org/10.1063/1.52560.
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3
Gulur, Nagendra, Mahesh Mehendale, Raman Manikantan, and Ramaswamy Govindarajan. "ANATOMY." In The 2014 ACM international conference. New York, New York, USA: ACM Press, 2014. http://dx.doi.org/10.1145/2591971.2591995.
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4
Evensen, Arthur Charles, Eddy Cadet, Eddy Cadet, Eddy Cadet, Jake Wood, Jake Wood, Jake Wood, et al. "PHRAGMITES AUSTRALIS CONTROL ON UTAH LAKE WATER QUALITY." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-284271.
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5
McGraw, Tim. "Fractal anatomy." In SIGGRAPH '18: Special Interest Group on Computer Graphics and Interactive Techniques Conference. New York, NY, USA: ACM, 2018. http://dx.doi.org/10.1145/3230744.3230748.
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6
Cai, Hongyuan, and Jiang Yu Zheng. "Video anatomy." In the 19th ACM international conference. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/2072298.2071939.
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7
Chiovitti, Anthony, Jo Burke, Antony Bacic, and Richard Wetherbee. "CHARACTERIZATION OF CARBOHYDRATES FROM THE BIOFOULING DIATOM CRASPEDOSTAUROS AUSTRALIS." In XXIst International Carbohydrate Symposium 2002. TheScientificWorld Ltd, 2002. http://dx.doi.org/10.1100/tsw.2002.499.
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8
Taylor, Keith, Matthew Colless, and Peter G. Conroy. "AUSTRALIS: a multifiber near-IR spectrograph for the VLT." In Astronomical Telescopes & Instrumentation, edited by Sandro D'Odorico. SPIE, 1998. http://dx.doi.org/10.1117/12.316792.
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9
Kapitonova, О. А. "Genus bladderwort (Utricularia L., Lentibulariaceae Rich.) in Western Siberia: species composition, distribution, ecological features." In Problems of studying the vegetation cover of Siberia. TSU Press, 2020. http://dx.doi.org/10.17223/978-5-94621-927-3-2020-16.
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The growth of 6 species of the genus Utricularia has been shown for the territory of Western Siberia: U. vulgaris, U. macrorhiza, U. australis, U. minor, U. intermedia and U. ochroleuca. The distribution of species in the region is discussed, and their habitats are characterized. Special attention is paid to the diagnostic signs of bladderworts. It was noted that three of the six species indicated for Western Siberia (U. macrorhiza, U. australis, U. ochroleuca) have single locations within the region.
10
Hurmusiadis, Vassili, Simon Barrick, and Chris Briscoe. "Interactive functional anatomy." In the SIGGRAPH 2003 conference. New York, New York, USA: ACM Press, 2003. http://dx.doi.org/10.1145/965400.965485.
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Звіти організацій з теми "Pseudomys australis Anatomy":

1
Nagarajan, Ganesh. Liver Anatomy. Touch Surgery Publications, September 2016. http://dx.doi.org/10.18556/touchsurgery/2016.s0131.
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2
Ethicon, Inc. Colorectal Anatomy. Touch Surgery Simulations, 2017. http://dx.doi.org/10.18556/touchsurgery/2017.s0103.
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3
Tollens, Tim. Hernia Anatomy. Touch Surgery Simulations, 2017. http://dx.doi.org/10.18556/touchsurgery/2017.s0104.
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4
Tollens, Tim. Hernia Anatomy. Touch Surgery Simulations, 2017. http://dx.doi.org/10.18556/touchsurgery/2018.s0104.
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5
Alseidi, Adnan. Pancreatic Anatomy. Touch Surgery Simulations, 2018. http://dx.doi.org/10.18556/touchsurgery/2018.s0111.
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6
Blackmon, Shanda. Thoracic Anatomy. Touch Surgery Publications, August 2018. http://dx.doi.org/10.18556/touchsurgery/2018.s0136.
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7
Demos, S. Micro-Anatomy Imager. Office of Scientific and Technical Information (OSTI), April 2013. http://dx.doi.org/10.2172/1078543.
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8
Touch Surgery. Upper Gastrointestinal Anatomy. Touch Surgery Publications, December 2018. http://dx.doi.org/10.18556/touchsurgery/2016.s0155.
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9
Touch Surgery. Female Pelvic Anatomy. Touch Surgery Publications, August 2018. http://dx.doi.org/10.18556/touchsurgery/2018.s0137.
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10
Taylor, Nathan L., Jonathan Lee, Ryan Beekman, and Melvin P. Rosenwasser. Arthroscopic Wrist Anatomy. Fort Belvoir, VA: Defense Technical Information Center, July 2004. http://dx.doi.org/10.21236/ada425011.
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