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Статті в журналах з теми "Plant-water relationships Western Australia"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 27 січня 2023

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1

Kew, G. A., R. J. Gilkes, and D. Evans. "Relationships between fabric, water retention, and strength of hard subsoils in the south of Western Australia." Soil Research 48, no. 2 (2010): 167. http://dx.doi.org/10.1071/sr09080.

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Crop yield in the sandy soils of the Western Australian wheatbelt is influenced strongly by the plant-available water (PAW) and strength of subsoils. The fabric of hard subsoils of fluvial and aeolian origin has been compared with that of in situ saprolite materials that also occur as subsoils in Western Australia. A fabric classification was developed and relationships between, fabric, water retention, and strength were examined. The clay matrix of hard subsoils is denser and is less porous than in saprolite. Hard subsoils contain rounded quartz grains and transported, rounded aggregates of c

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2

Coates, Fiona, and J. B. Kirkpatrick. "Is Geographic Range Correlated with Climatic Range in Australian Spyridium Taxa?" Australian Journal of Botany 47, no. 5 (1999): 755. http://dx.doi.org/10.1071/bt97066.

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The major centres of local endemism and richness at the species level and below in Spyridium Fenzl are located on the southern coast of Western Australia and in south-eastern South Australia. There are only a few Spyridium taxa with ranges that transgress the boundaries of the following four regions: south- western Western Australia; south-eastern South Australia and western Victoria; eastern Victoria, New South Wales and southern Queensland; Tasmania. Synthetic climatic variables were generated for all recorded populations of Spyridium taxa. Variabilities in these were related to the maximum

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3

TINERELLA, PAUL P. "Taxonomic revision and systematics of continental Australian pygmy water boatmen (Hemiptera: Heteroptera: Corixoidea: Micronectidae)." Zootaxa 3623, no. 1 (March 11, 2013): 1–121. http://dx.doi.org/10.11646/zootaxa.3623.1.1.

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The pygmy water boatmen (Hemiptera: Heteroptera: Micronectidae) of continental Australiaare revised. The two genera and 17 species occurring in Australiaare fully described and keyed. The following species are transferred to Austronecta gen. nov.: Micronecta australiensis Chen, M. micra Kirklady, and M. carinata Chen. Austronecta bartzarum, sp. nov., is newly described. Within Micronecta Kirkaldy, thirteen species are recorded, including M. paragoga sp. nov. The following new synonymies are proposed: Micronecta illiesi Wróblewski, Micronecta concordia King and Micronecta dixonia King are junio

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4

Tibby, J., and D. Tiller. "Climate–water quality relationships in three Western Victorian (Australia) lakes 1984–2000." Hydrobiologia 591, no. 1 (October 2007): 219–34. http://dx.doi.org/10.1007/s10750-007-0804-5.

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5

MACFARLANE, TERRY D., GALINA V. DEGTJAREVA, TAHIR H. SAMIGULLIN, CARMEN M. VALIEJO-ROMAN, CONSTANTIN I. FOMICHEV, and DMITRY D. SOKOLOFF. "Althenia tzvelevii (Potamogetonaceae), a new species from SW Western Australia with bilocular anthers: morphology and molecular phylogenetic relationships." Phytotaxa 471, no. 3 (November 17, 2020): 193–207. http://dx.doi.org/10.11646/phytotaxa.471.3.2.

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A new species Althenia tzvelevii is described from south western Australia. This is the second species after A. bilocularis described with bilocular anthers. Illustrations of plant morphology are provided by means of SEM images and habitat photographs are included. The phylogenetic relationships of the new species were investigated using five plastid DNA markers (matK, ndhF, rbcL, rpoB, and rpoC1), with published sequences augmented by several new sequences resulting in coverage of all described species in the genus. Althenia tzvelevii forms a clade with A. patentifolia and A. bilocularis and

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6

Tindale, MD, and LA Craven. "Three new species of Glycine (Fabaceae: Phaseolae) from north-western Australia, with notes on amphicarpy in the genus." Australian Systematic Botany 1, no. 4 (1988): 399. http://dx.doi.org/10.1071/sb9880399.

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Three new species of Glycine Willd., viz. G. albicans, G. Lactovirens and G. hirticaulis from north-western Australia are described and illustrated. Their putative relationships are presented. A key is provided to the species of Glycine in north-western Australia. Two forms of amphicarpy occur within the genus Glycine.

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7

Perrie, Leon R., Daniel J. Ohlsen, Lara D. Shepherd, Michael Garrett, Patrick J. Brownsey, and Michael J. Bayly. "Tasmanian and Victorian populations of the fern Asplenium hookerianum result from independent dispersals from New Zealand." Australian Systematic Botany 23, no. 6 (2010): 387. http://dx.doi.org/10.1071/sb10028.

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The fern Asplenium hookerianum Colenso (Aspleniaceae) is indigenous to New Zealand and Australia. In New Zealand, it is widespread and genetically diverse, with 26 haplotypes previously identified for the chloroplast trnL–trnF locus. In Australia, A. hookerianum is currently known only from two small populations in Victoria and two in Tasmania. The present study assessed the diversity, relationships and biogeographic history of the Australian populations. A single trnL–trnF haplotype was identified in Tasmanian populations, and it was shared with populations in south-western New Zealand. The s

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8

Itzstein-Davey, Freea. "The representation of Proteaceae in modern pollen rain in species-rich vegetation communities in south-western Australia." Australian Journal of Botany 51, no. 2 (2003): 135. http://dx.doi.org/10.1071/bt02048.

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The Proteaceae family is a large Gondwanan plant family with a major centre of richness in south-western Australia. Modern pollen–vegetation relationships in the two areas of species richness in the northern and southern sandplains of south-western Australia were investigated to calibrate fossil-pollen studies concurrently conducted on Eocene, Pliocene and Quaternary sediment. Results indicated that the Proteaceae component in modern pollen rain can be quite high, contributing up to 50% of the count. Some sites showed a dominant type (such as Banksia–Dryandra), whilst others had up to six diff

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9

Moller, Andersen N. "Cladistic biogeography of marine water striders (Insecta, Hemiptera) in the Indo-Pacific." Australian Systematic Botany 4, no. 1 (1991): 151. http://dx.doi.org/10.1071/sb9910151.

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More than 120 species of marine water striders (Hemiptera, Gerromorpha), representing three families and eight genera, are distributed throughout the lndo-Pacific region. They live in marine habitats such as mangroves, intertidal coral reef flats and the sea surface near coral and rocky coasts. Five species of sea skaters, Halobates (Gerridae), have colonised the surface of the open ocean. Adult marine water striders are wingless but may disperse along coasts, chains of islands and possibly across wider stretches of open sea. Although some species of coral bugs, Halovelia (Veliidae) and Haloba

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10

Merritt, D. J., D. H. Touchell, T. Senaratna, K. W. Dixon, and K. Sivasithamparam. "Water sorption characteristics of seeds of four Western Australian species." Australian Journal of Botany 51, no. 1 (2003): 85. http://dx.doi.org/10.1071/bt02040.

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The relationship between storage temperature, relative humidity and seed water content was investigated for four species native to Western Australia: Acacia bivenosa DC., Anigozanthos manglesii D.Don., Banksia ashbyi E.G.Baker and Mesomelaena tetragona (R.Br.) Benth. Water sorption isotherms were constructed at 5, 23 and 50�C and the enthalpy of water sorption was calculated by van�t Hoff analysis. Seeds of three species, A. manglesii, B.�ashbyi and M. tetragona, showed a sigmoidal relationship between seed water content and relative humidity. Intact seeds of Acacia bivenosa maintained a const

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11

Rawlings, Lesley H., David Barker, and Stephen C. Donnellan. "Phylogenetic relationships of the Australo-Papuan Liasis pythons (Reptilia : Macrostomata), based on mitochondrial DNA." Australian Journal of Zoology 52, no. 2 (2004): 215. http://dx.doi.org/10.1071/zo03030.

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The genus Liasis comprises two groups of pythons, the olive python, Liasis olivaceus, and the water pythons L. fuscus and L. mackloti. We used partial mitochondrial control region DNA sequences to examine (a) the phylogeography of water pythons from five Indonesian Lesser Sunda islands, New Guinea, and northern Australia, (b) the relationships of the two subspecies of olive pythons, and (c) the relationship of the Papuan python, Apodora papuana, with the species of Liasis. Maximum likelihood, parsimony and distance analyses showed that A. papuana is the sister lineage to all Liasis and that Li

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12

Wong, M. T. F., R. J. Corner, and S. E. Cook. "A decision support system for mapping the site-specific potassium requirement of wheat in the field." Australian Journal of Experimental Agriculture 41, no. 5 (2001): 655. http://dx.doi.org/10.1071/ea00191.

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The intensely weathered nature of Western Australian cropping soils and the long history of potassium depletion by the farming system has resulted in increased incidence of potassium deficiency in wheat. There is currently no scientifically based method for potassium recommendation in Western Australia. This paper describes the use of site-specific plot-scale field trials carried out in 1995–98 and a crop response model to develop a generally applicable potassium recommendation system. Geographic information system technology was used to extend the uniform potassium recommendation system into

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13

Stephens, D. J., and T. J. Lyons. "Rainfall-yield relationships across the Australian wheatbelt." Australian Journal of Agricultural Research 49, no. 2 (1998): 211. http://dx.doi.org/10.1071/a96139.

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A network of rainfall stations was selected across the Australian wheatbelt and monthly rainfall regressed with wheat yields from the surrounding shires for the period 1976-87. Yields were found to be strongly related to fluctuations in total rainfall amount and the seasonal distribution of rainfall through the year. These temporal relationships vary spatially and appear to be regulated by the water-holding capacity of regional soils. Sixteen agrometeorological zones were defined with similar rainfall-yield relationships. In all these, autumn rains that permit an early sowing, and finishing ra

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14

Pate, J. S., W. H. Verboom, and P. D. Galloway. "Co-occurrence of Proteaceae, laterite and related oligotrophic soils: coincidental associations or causative inter-relationships?" Australian Journal of Botany 49, no. 5 (2001): 529. http://dx.doi.org/10.1071/bt00086.

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This communication presents the hypothesis that certain Australian lateritic and related oligotrophic soils may have been partly derived biotically from soluble iron-rich complexes generated following secretion of low-molecular weight organic acids by phosphate-absorbing specialised proteoid (cluster) roots of proteaceous plants. Subsequent precipitation of the iron is then pictured as occurring onto the oxide rinds of developing laterite after consumption of the organic components of the complexes by soil bacteria. The hypothesis is f irst examined in relation to current theories of origins o

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15

Norman, MD. "Ameloctopus litoralis, gen. et sp. nov. (Cephalopoda : Octopodidae), a new shallow-water octopus from tropical Australian waters." Invertebrate Systematics 6, no. 3 (1992): 567. http://dx.doi.org/10.1071/it9920567.

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A new genus of octopus is described from northern Australian waters. Ameloctopus litoralis, gen. et sp. nov., is a shallow-water octopus characterised by the absence of an ink sac, vestigial funnel organ, terminal organ without a diverticulum, marked elongation of the arms and arm autotomy. It is found across northern Australia from southern Queensland to north-west Western Australia, primarily on coastal mudflats and intertidal reefs. This species occupies lairs in shallow and intertidal coastal habitats, feeding by extending arms from the safety of the lair or by foraging at night during low

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16

Young, Diana. "Water as Country on the Pitjantjatjara Yankunytjatjara Lands South Australia." Worldviews: Global Religions, Culture, and Ecology 10, no. 2 (2006): 239–58. http://dx.doi.org/10.1163/156853506777965839.

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AbstractAnangu, Pitjantjatjara and Yankunytjatjara people living in the north-western areas of South Australia conceptualize changes in the surface of land as evincing the presence of ancestral power. Rain is one such catalyst of change, though it is by no means a certainty on the Pitjantjatjara Yankunytjatjara Lands. When it does appear, water does not stay long on the surface: it is shimmering and unstable. This paper examines the nature of various water sources in contemporary indigenous life, the spatial relationships between earth and sky and the dialectic between life and death that they

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17

Wong, M. T. F., and R. J. Harper. "Use of on-ground gamma-ray spectrometry to measure plant-available potassium and other topsoil attributes." Soil Research 37, no. 2 (1999): 267. http://dx.doi.org/10.1071/s98038.

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The incidence of potassium (K) deficiency is increasing in crops, pastures, and forestry in south-western Australia. Although soil K can be measured using soil sampling and analysis, γ-ray spectrometry offers a potentially cheaper and spatially more precise alternative. This could be particularly useful in precision agriculture, where inputs are applied according to need rather than by general prescription. In a study of topsoils near Jerramungup, Western Australia, strong relationships (r2 = 0·9) were found between on-ground counts of γ-rays derived from 40K (γ-K) and both total K and plant-a

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18

Powell, Jocelyn M., David A. Morrison, Paul A. Gadek, Darren M. Crayn, and Christopher J. Quinn. "Relationships and Generic Concepts within Styphelieae (Epacridaceae)." Australian Systematic Botany 10, no. 1 (1997): 15. http://dx.doi.org/10.1071/sb95044.

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A morphological data base of 30 characters has been assembled for 33 terminal taxa in the tribe Styphelieae sensu Powell et al. (1996), as well as four outgroup taxa representing the other major affinity groups previously identified within the Epacridaceae on morphological and molecular data. Heuristic and bootstrap analyses provided strong support for the tribe, but indicated a need to modify several long-established generic concepts. Four genera are shown here to be polyphyletic. Six new monotypic genera should be segregated from Astroloma. Brachyloma should be divided into three segregates.

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19

McKissock, I., R. J. Gilkes, R. J. Harper, and D. J. Carter. "Relationships of water repellency to soil properties for different spatial scales of study." Soil Research 36, no. 3 (1998): 495. http://dx.doi.org/10.1071/s97071.

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In order to predict the occurrence of water repellency, which is a labile property, from field survey data obtained throughout the year, it is necessary to identify predictive relationships between water repellency and commonly measured soil properties. This paper evaluates these relationships for diverse soil assemblages. These soil assemblages include a set of reference soils from the south-west of Western Australia (an area of 250 000 km2), more intensively sampled suites of soils in several smaller soil{landscape associations within the south-west of Western Australia (≅1000 km2), soils fr

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20

Kaur, Parwinder, Krishnapillai Sivasithamparam, and Martin J. Barbetti. "Host Range and Phylogenetic Relationships of Albugo candida from Cruciferous Hosts in Western Australia, with Special Reference to Brassica juncea." Plant Disease 95, no. 6 (June 2011): 712–18. http://dx.doi.org/10.1094/pdis-10-10-0765.

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White rust, caused by Albugo candida, is a serious pathogen of Brassica juncea (Indian mustard) worldwide and poses a potential hazard to the presently developing canola-quality B. juncea industry in Australia. Nine isolates of A. candida, representing strains collected from B. juncea, B. rapa, B. oleracea, B. tournefortii, Raphanus raphanistrum, R. sativa, Eruca vesicaria subsp. sativa, Capsella bursa-pastoris and Sisymbrium irio, from different locations in Western Australia (W.A.), were tested on cruciferous host differentials to characterize their pathogenicity. In particular, these studie

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21

McLaughlin, M. J., N. A. Maier, R. L.Correll, M. K. Smart, L. A. Sparrow, and A. McKay. "Prediction of cadmium concentrations in potato tubers (Solanum tuberosum L.) by pre-plant soil and irrigation water analyses." Soil Research 37, no. 1 (1999): 191. http://dx.doi.org/10.1071/s98031.

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Potato tubers can accumulate high concentrations of cadmium (Cd) in edible portions, so that techniques to determine high risk Cd environments are required by growers. The use of combined soil and irrigation water analyses prior to crop planting was investigated as a means to predict risks of Cd accumulation in tubers. Soils and irrigation waters were analysed at 134 sites in the major potato production areas in Western Australia, South Australia, Tasmania, Victoria, and New South Wales. Irrigation waters were analysed for electrical conductivity (EC), major cations, and anions. Cadmium was ex

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22

Franklin, Donald C., and Richard A. Noske. "Nectar sources used by birds in monsoonal north-western Australia: a regional survey." Australian Journal of Botany 48, no. 4 (2000): 461. http://dx.doi.org/10.1071/bt98089.

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We document the flora that provides nectar for birds in monsoonal north-western Australia, and examine the relationship between floral morphology and bird morphology in the region. Twenty-four regular nectarivores (21 honeyeaters, two lorikeets, one white-eye) and 29 opportunist species have been observed probing the flowers of 116 species of plants from 28 families. Amongst the nectar sources, the Myrtaceae is dominant in both the number of species and frequency of use, followed distantly by the Proteaceae and Loranthaceae. Variation between bird species in patterns of use of different floral

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23

Braaten, Christine C., P. Brandon Matheny, Debra L. Viess, Michael G. Wood, Joseph H. Williams, and Neale L. Bougher. "Two new species of Inocybe from Australia and North America that include novel secotioid forms." Botany 92, no. 1 (January 2014): 9–22. http://dx.doi.org/10.1139/cjb-2013-0195.

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The secotioid form of fruit bodies of mushroom-forming fungi may be an intermediate evolutionary modification of epigeous agaricoid or pileate–stipitate forms (i.e., with pileus, spore-bearing tissues, and stipe) and typically hypogeous, gasteroid- or truffle-forming species, in which the fruit bodies have been reduced to enclosed structures containing modified spore-producing tissues. To date, only a single secotioid species (Auritella geoaustralis Matheny & Bougher ex Matheny & Bougher) has been described in the ectomycorrhizal family Inocybaceae, a hyperdiverse clade of ca. 500–700

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24

Garkaklis, Mark J., J. S. Bradley, and R. D. Wooller. "The relationship between animal foraging and nutrient patchiness in south-west Australian woodland soils." Soil Research 41, no. 4 (2003): 665. http://dx.doi.org/10.1071/sr02109.

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The woylie (Bettongia penicillata) was once common and abundant over the southern third of the Australian continent. Since European settlement the range of this rat-kangaroo has become reduced by more than 97%, and until the early 1990s, only 3 small natural populations remained, all in south-western Australia. These medium-sized (c. 1 kg) marsupials create a large number of diggings as they forage for the hypogeous fruiting bodies of ectomycorrhizal fungi upon which they feed. The effect of such foraging activity on the availability of plant nutrients in the vicinity of such diggings was eval

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25

Zhang, Heping, Neil C. Turner, Narelle Simpson, and Michael L. Poole. "Growing-season rainfall, ear number and the water-limited potential yield of wheat in south-western Australia." Crop and Pasture Science 61, no. 4 (2010): 296. http://dx.doi.org/10.1071/cp09288.

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Knowledge of the contribution of ear number per unit area, grains per ear, and kernel weight to grain yield is important in understanding the limits to the water-limited potential yield of wheat in rain-fed agricultural regions. This paper analyses the relationships between grain yield, yield components and growing-season rainfall using data from the low-, medium-, and high-rainfall zones of the cropping region of south-western Australia. The aim of the paper is to quantify the contribution of ear number, grains per ear and kernel weight to grain yield and define the yield components of wheat

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26

Butcher, Ryonen. "New taxa of 'leafless' Tetratheca (Elaeocarpaceae, formerly Tremandraceae) from Western Australia." Australian Systematic Botany 20, no. 2 (2007): 139. http://dx.doi.org/10.1071/sb06015.

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The relationships among rare ‘leafless’ species of Tetratheca Sm. occurring on banded ironstone ranges near Koolyanobbing, Western Australia, and allied, unclassified, populations from Eneabba, Newdegate and the Die Hardy Range have been assessed by molecular characters. These findings, in conjunction with morphological investigations, have identified a new species and two new subspecies from within the ‘T. aphylla group’ and these are formally described here. Tetratheca nephelioides R.Butcher, is geographically restricted to the Eneabba area and has close morphological affinity to T. aphylla

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27

Hall, D. J. M., R. A. Sudmeyer, C. K. McLernon, and R. J. Short. "Characterisation of a windbreak system on the south coast of Western Australia. 3. Soil water and hydrology." Australian Journal of Experimental Agriculture 42, no. 6 (2002): 729. http://dx.doi.org/10.1071/ea02009.

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This paper describes changes in soil water and ground water at various distances from a Pinus pinaster windbreak in south-western Australia. Soil water contents were measured by neutron moisture meter and time domain reflectometry at distances from a windbreak ranging from 1 to 20 tree heights (H). Within 3 H of the windbreak, soil water storage was reduced by 100–153 mm/1.8 m when compared to unsheltered conditions (20 H) over the 4 years of the experiment. Beyond 3 H, no significant differences in soil water storage were found which could be related to microclimate modification. Relationship

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28

Paynter, B. H., P. E. Juskiw, and J. H. Helm. "Leaf development in two-row spring barley under long-day and short-day field conditions." Canadian Journal of Plant Science 84, no. 2 (April 1, 2004): 477–86. http://dx.doi.org/10.4141/p02-154.

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To gain an understanding of the adaptation of Australian and Canadian barley (Hordeum vulgare L.) cultivars to the environments of western Canada and Western Australia, phyllochron and number of leaves on the mainstem in eight cultivars of two-row, spring barley were examined when sown at two dates in two locations. The locations were a short-day environment at Northam, Western Australia, Australia in 1997 and a long-day environment at Lacombe, Alberta, Canada in 1998. At each location highly significant relationships between leaf number on the mainstem and thermal time were found (r2 > 0.9

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29

Holmes, Gareth D., Peter H. Weston, Daniel J. Murphy, Carolyn Connelly, and David J. Cantrill. "The genealogy of geebungs: phylogenetic analysis of Persoonia (Proteaceae) and related genera in subfamily Persoonioideae." Australian Systematic Botany 31, no. 2 (2018): 166. http://dx.doi.org/10.1071/sb16052.

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Proteaceae subfamily Persoonioideae, as presently circumscribed, consists of the monogeneric tribe Placospermeae (Placospermum) and the tribe Persoonieae. The latter comprises the diverse genus Persoonia and monospecific genera found in New Zealand (Toronia), New Caledonia (Garnieria) and south-western Western Australia (Acidonia). Persoonia has 101 species distributed across Australia and has been classified into 11 informal groups. Using data derived from plastid DNA (trnL–trnF region), nuclear rDNA (ITS) and morphological characters, we constructed a phylogeny of Persoonioideae and compared

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30

Oliver, Paul M., Paul Doughty, and Russell Palmer. "Hidden biodiversity in rare northern Australian vertebrates: the case of the clawless geckos (Crenadactylus, Diplodactylidae) of the Kimberley." Wildlife Research 39, no. 5 (2012): 429. http://dx.doi.org/10.1071/wr12024.

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Context The phylogenetic diversity and biogeography of most animal and plant lineages endemic to the Australian Monsoonal tropics remains poorly understood. Of particular note (and in contrast to many other tropical regions in both Australia and elsewhere) is the current paucity of evidence for diverse endemic radiations of restricted-range taxa. Aims To use recently collected material from major surveys of the Kimberley Islands, Western Australia, to expand on a previous study that provided preliminary evidence of very high levels of geographically structured phylogenetic diversity in a linea

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31

O'Rourke, Tiernan A., Tim T. Scanlon, Megan H. Ryan, Len J. Wade, Alan C. McKay, Ian T. Riley, Hua Li, Krishnapillai Sivasithamparam, and Martin J. Barbetti. "Severity of root rot in mature subterranean clover and associated fungal pathogens in the wheatbelt of Western Australia." Crop and Pasture Science 60, no. 1 (2009): 43. http://dx.doi.org/10.1071/cp08187.

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Pasture decline is considered to be a serious challenge to agricultural productivity of subterranean clover across southern Australia. Root disease is a significant contributing factor to pasture decline. However, root disease assessments are generally carried out in the early part of the growing season and in areas predominantly sown to permanent pastures. For this reason, in spring 2004, a survey was undertaken to determine the severity of root disease in mature subterranean clover plants in pastures located in the wheatbelt of Western Australia. DNA-based soil assays were used to estimate p

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32

Hurse, T. J., and M. A. Connor. "A contour plot approach that uses data accumulated during routine monitoring to obtain insights into lagoon behaviour." Water Science and Technology 42, no. 10-11 (November 1, 2000): 91–98. http://dx.doi.org/10.2166/wst.2000.0616.

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Regular monitoring of wastewater characteristics is undertaken on most wastewater treatment plants. The data acquired during this process are usually filed and forgotten. However, systematic analysis of these data can provide useful insights into plant behaviour. Conventional graphical techniques are inadequate to give a good overall picture of how wastewater characteristics vary, with time and along the lagoon system. An approach based on the use of contour plots was devised that largely overcomes this problem. Superimposition of contour plots for different parameters can be used to gain a qu

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33

Stukely, Michael JC. "New Phytophthoras in Western Australia’s natural ecosystems." Microbiology Australia 33, no. 1 (2012): 31. http://dx.doi.org/10.1071/ma12031.

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Phytophthora spp. are recognised as important plant pathogens. Ten new and genetically diverse species, not previously reported from elsewhere, have recently been described from natural ecosystems in Western Australia (WA): Phytophthora multivora1; P. elongata; P. thermophila, P. gregata, P. gibbosa, P. litoralis; P. arenaria, P. constricta; P. fluvialis; and P. amnicola. They were identified by DNA sequencing of recent and historical isolates from the WA Department of Environment and Conservation (DEC). Several additional new taxa await description. New records for WA of at least eight other

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34

Cochrane, Anne, Anne Kelly, Kate Brown, and Simone Cunneen. "Relationships between seed germination requirements and ecophysiological characteristics aid the recovery of threatened native plant species in Western Australia." Ecological Management and Restoration 3, no. 1 (April 2002): 47–60. http://dx.doi.org/10.1046/j.1442-8903.2002.00089.x.

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35

Sgherza, Ciaran, Louise E. Cullen та Pauline F. Grierson. "Climate relationships with tree-ring width and δ13C of three Callitris species from semiarid woodlands in south-western Australia". Australian Journal of Botany 58, № 3 (2010): 175. http://dx.doi.org/10.1071/bt09222.

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Proxy measures of climate based on tree rings can allow reconstruction of climate back past the limit of instrumental records, thereby improving understanding of natural climate variability. We assessed the dendroclimatic potential of tree-ring widths and δ13C of three broadly co-occurring species of Callitris in south-western Western Australia. Ring width chronologies of C. columellaris F.Muell., C. canescens (Parl.) S.T. Blake and C. preissii Miq. met standard measures of dendrochronological acceptability. For all three species, the Expressed Population Signal (EPS) was >0.93 and mean cor

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36

Baek, C. W., and N. Coles. "The influence of antecedent soil moisture conditions on the rainfall–runoff threshold value of a roaded catchment used for water harvesting." Water Supply 13, no. 5 (September 1, 2013): 1202–8. http://dx.doi.org/10.2166/ws.2013.128.

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A roaded catchment (RC) is a representative type of artificial catchment for rainwater harvesting. The rainfall–runoff threshold value of the RC is the main factor which influences the system efficiency and cost. Antecedent soil moisture condition is an important factor which impacts on the determination of the rainfall–runoff threshold value. In this study, rainfall–antecedent soil moisture condition–runoff relationships and the potential efficiency of RCs are presented. Rainfall and runoff data monitored at research sites in Merredin and Mount Barker are used to determine this relationship.

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37

Nagy, KA, AJ Bradley, and KD Morris. "Field Metabolic Rates, Water Fluxes, and Feeding Rates of Quokkas, Setonix-Brachyurus, and Tammars, Macropus-Eugenii, in Western-Australia." Australian Journal of Zoology 37, no. 5 (1989): 553. http://dx.doi.org/10.1071/zo9890553.

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Field metabolic rates (FMRS) and water influx rates were measured by means of doubly labelled water in free-ranging quokkas living on Rottnest I, and free-ranging tammar wallabies living on Garden I. Feeding rates were estimated from energy requirements. Quokkas ranging in body mass from 1.44 to 2.83 kg (mean 1.90 kg) had FMRS averaging 0.574 mL C02 (g.h)-', which is equivalent to 548 kJ d-'. Their rates of total water intake averaged 47.3 mL (kg.d)-', or 90.5 mL d-'. Estimated feeding rate was 54.8 g (dry matter) per day, and water ingested as part of the food (preformed and metabolically pro

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38

Mahmud, K., G. Mariethoz, A. Baker, P. C. Treble, M. Markowska, and E. McGuire. "Estimation of deep infiltration in unsaturated limestone environments using cave lidar and drip count data." Hydrology and Earth System Sciences 20, no. 1 (January 20, 2016): 359–73. http://dx.doi.org/10.5194/hess-20-359-2016.

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Abstract. Limestone aeolianites constitute karstic aquifers covering much of the western and southern Australian coastal fringe. They are a key groundwater resource for a range of industries such as winery and tourism, and provide important ecosystem services such as habitat for stygofauna. Moreover, recharge estimation is important for understanding the water cycle, for contaminant transport, for water management, and for stalagmite-based paleoclimate reconstructions. Caves offer a natural inception point to observe both the long-term groundwater recharge and the preferential movement of wate

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39

Walker, E., M. Byrne, B. Macdonald, D. Nicolle, and J. McComb. "Clonality and hybrid origin of the rare Eucalyptus bennettiae (Myrtaceae) in Western Australia." Australian Journal of Botany 57, no. 3 (2009): 180. http://dx.doi.org/10.1071/bt08148.

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Clonality and hybrid origin influence the conservation status of rare and restricted species. Eucalyptus bennettiae Carr & Carr is a rare species known only from a few individuals that may be clonal and may have arisen through hybridisation between other co-occurring species. The hybrid status and clonality of E. bennettiae was investigated with analysis of microsatellite variation in E. bennettiae compared with its putative parents, E. lehmannii subsp. parallela, E. sporadica and E. astringens subsp. redacta, identified through morphological characteristics. Analysis of microsatellite var

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40

Carolin, R. "A Review of the Family Portulacaceae." Australian Journal of Botany 35, no. 4 (1987): 383. http://dx.doi.org/10.1071/bt9870383.

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A number of attributes that has proved useful to delimit subfamilial taxa within the Portulacaceae are critically assessed and some little used ones are introduced. The attributes are polarised by an outgroup comparison and a Wagner tree constructed. Some reversals which occur on this tree are considered unacceptable and branches are moved to eliminate this factor, although a longer tree, in terms of character state changes, is produced. A phylogenetic sequence is proposed on this basis and a new classification of the family attempted. On the basis of these results it is suggested that: (1) th

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41

Javidkar, Mohammad, Steven J. B. Cooper, Rachael A. King, William F. Humphreys, and Andrew D. Austin. "Molecular phylogenetic analyses reveal a new southern hemisphere oniscidean family (Crustacea : Isopoda) with a unique water transport system." Invertebrate Systematics 29, no. 6 (2015): 554. http://dx.doi.org/10.1071/is15010.

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A significant diversity of terrestrial oniscidean isopods was recently discovered in the subterranean ‘calcrete islands’ of Western Australia, but the species and higher-level systematic status of much of the fauna are currently uncertain. Here we focus on one group of species that was initially assigned to the genus Trichorhina (Platyarthridae), based on several shared characters, and investigate the phylogenetic relationships of these species to 21 oniscidean genera, including 13 known families, using 18S rDNA sequence data. We then present phylogenetic analyses using 28S-only and combined 1

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42

Lund, Mark A., and Jennifer A. Davis. "Seasonal dynamics of plankton communities and water chemistry in a eutrophic wetland (Lake Monger, Western Australia): implications for biomanipulation." Marine and Freshwater Research 51, no. 4 (2000): 321. http://dx.doi.org/10.1071/mf97081.

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In a large (70 ha) shallow (<2m deep) eutrophic wetland investigated between November 1988 and October 1989, there were marked seasonal changes in water quality and the composition of zooplankton, and to a lesser extent phytoplankton communities, with three distinct groupings evident: summer, winter–spring and autumn. Summer conditions were characterized by high levels of total P (689198 ˜g L –1 ), N limitation, blooms of Microcystis aeruginosa (mean chlorophyll a = 46630 ˜g L –1 ) and zooplankton communities dominated by cyclopoid copepods (Mesocyclops sp. and Microcyclops sp.). Winter–spr

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43

Perina, Giulia, Ana I. Camacho, Joel Huey, Pierre Horwitz, and Annette Koenders. "New Bathynellidae (Crustacea) taxa and their relationships in the Fortescue catchment aquifers of the Pilbara region, Western Australia." Systematics and Biodiversity 17, no. 2 (February 17, 2019): 148–64. http://dx.doi.org/10.1080/14772000.2018.1559892.

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44

Vincent, Brian J., Sarah Barrett, Anne Cochrane, and Michael Renton. "Germination characteristics and the relationship between population structure, soil seed bank density and fire response in the rare endemic Stachystemon vinosus (Halford & R.J.F.Hend.) (Euphorbiaceae) from southern Western Australia." Seed Science Research 29, no. 2 (June 2019): 124–34. http://dx.doi.org/10.1017/s0960258519000126.

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AbstractThe regeneration niche defines the specific environmental requirements of the early phases of a plant's life cycle. It is critical for the long-term persistence of plant populations, particularly for obligate seeders that are highly vulnerable to stochastic events in fire-prone ecosystems. Here, we assessed germination characteristics and the relationship between population structure, soil seed bank density and fire response in Stachystemon vinosus (Euphorbiaceae), a rare endemic shrub from Western Australia, from burnt and long unburnt habitats. Many plants in long unburnt habitat wer

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45

McKirdy, S. J., R. A. C. Jones, and F. W. Nutter. "Quantification of Yield Losses Caused by Barley yellow dwarf virus in Wheat and Oats." Plant Disease 86, no. 7 (July 2002): 769–73. http://dx.doi.org/10.1094/pdis.2002.86.7.769.

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Grain yield data obtained from five field experiments in Western Australia from 1992 to 1994, in which insecticide applications suppressed the spread of Barley yellow dwarf virus (BYDV) in wheat and oats, were used to quantify the relationships between incidence of BYDV and yield gaps, 500-seed weight, and percent shriveled grain. Yield gaps ranged from 0 to 2,700 kg/ha, and the relationship between yield gap and incidence of BYDV was always linear. Single point yield loss models revealed that BYDV infection explained most of the variation in yield gaps. There was a significant linear relation

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46

Broadhurst, Linda, Margaret Byrne, Lyn Craven, and Brendan Lepschi. "Genetic congruence with new species boundaries in the Melaleuca uncinata complex (Myrtaceae)." Australian Journal of Botany 52, no. 6 (2004): 729. http://dx.doi.org/10.1071/bt04073.

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Uninformed management decisions have the potential to create significant problems for conservation programs. In the south-western corner of Australia where conservation initiatives are directed towards restoring large tracts of land degraded by broadscale clearing and increasing levels of dryland salinity, Melaleuca uncinata R.Br. (Myrtaceae) is a species complex of considerable interest for restoration. Although M. uncinata is morphologically uniform across most of southern mainland Australia, there is considerable variation in south-western Australia and a recent morphological evaluation has

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47

Byrne, M., and L. Broadhurst. "Genetic diversity and the utilisation of Acacia species complexes in agroforestry in Western Australia." Australian Systematic Botany 16, no. 1 (2003): 49. http://dx.doi.org/10.1071/sb01037.

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Dryland salinity is a major problem in the agricultural areas of Western Australia, having significant detrimental impacts in both agricultural and non-agricultural arenas. Development of new woody perennial tree crops is an option for recharge control in the management of salinity and there is a focus on development of native species that are adapted to low-rainfall areas, with potential for commercial production. Acacia is an important genus for utilisation of woody perennials as there is a large number of species occurring in a wide variety of habitats, and many Acacia species are utilised

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48

Gosper, Carl R., Suzanne M. Prober, Colin J. Yates, and Georg Wiehl. "Estimating the time since fire of long-unburnt Eucalyptus salubris (Myrtaceae) stands in the Great Western Woodlands." Australian Journal of Botany 61, no. 1 (2013): 11. http://dx.doi.org/10.1071/bt12212.

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Establishing the time since fire in infrequently burnt, yet fire-prone, communities is a significant challenge. Until this can be resolved for >50-year timeframes, our capacity to understand important ecological processes, such as the periods required for development of habitat features, will remain limited. We characterised the relationship between observable tree growth rings, plant age and plant size in Eucalyptus salubris F.Muell. in the globally significant Great Western Woodlands in south-western Australia. In the context of recent concerns regarding high woodland fire occurrence, we

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Bell, DT, S. Vlahos, and LE Watson. "Stimulation of Seed-Germination of Understorey Species of the Northern Jarrah Forest of Western-Australia." Australian Journal of Botany 35, no. 5 (1987): 593. http://dx.doi.org/10.1071/bt9870593.

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Glasshouse trials in trays of soil measured the germination response to high temperatures and the presence of charcoal in 40 non-leguminous understorey species of the northern jarrah (Eucalyptus marginata Donn ex Smith) forest. Species producing relatively low proportions of viable and germinable seeds tended to be the long-lived resprouting species where reproductive output may not be of major adaptive significance. Three species, Conostylis setosa, Trymalium ledifolium and T. spathulaturn, with seed stored in the soil, were stimulated to germinate by high temperatures. Bradysporous, obligate

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50

Pate, JS, NE Casson, J. Rullo, and J. Kuo. "Biology of Fire Ephemerals of the Sandplains of the Kwongan of South-Western Australia." Functional Plant Biology 12, no. 6 (1985): 641. http://dx.doi.org/10.1071/pp9850641.

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The growth, longevity, mineral relationships and reproductive biology of 18 species of fire ephemerals were examined in sclerophyllous shrubland, located mainly within the Jurien : Badgingarra region of the Northern Sandplains of the kwongan of SW. Australia. Ten of the species were monocarpic, completing their life cycle within the 6-8 month winter growing season after a summer or autumn fire. The remaining species were polycarpic, commencing reproduction in their second season and surviving and reproducing for a further two to eight seasons (depending on species). Detailed study was made of

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