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Artículos de revistas sobre el tema "Endangered plants – Western Australia"

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Publicado: 4 de junio de 2021

Última modificación: 19 de febrero de 2022

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1

Dixon, Kingsley W. "Towards integrated conservation of Australian endangered plants—the Western Australian model." Biodiversity and Conservation 3, no. 2 (March 1994): 148–59. http://dx.doi.org/10.1007/bf02291885.

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2

Cox, Brad. "Granite Outcrops Symposium." Pacific Conservation Biology 4, no. 3 (1998): 271. http://dx.doi.org/10.1071/pc98271a.

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Western Australia is a flat landscape. Granite outcrops are one of the few features that rise above the terrain. This makes them unique landmarks for people, and islands for plants and animals. They are highly significant in terms of their geological, biological and cultural values. They contain some of the world's oldest rocks, are an important source of water, often contain aboriginal heritage sites and are refuges for many rare and endangered flora and fauna.

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3

Kennedy, J., and G. Weste. "Vegetation Changes Associated With Invasion by Phytophthora cinnamomi on Monitored Sites in the Grampians, Western Australia." Australian Journal of Botany 34, no. 3 (1986): 251. http://dx.doi.org/10.1071/bt9860251.

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The effects of invasion by Phytophthora cinnamomi were measured on sites representing the larger forest regions of the Grampians. Changes were obvious at first, with the death of more than 50% of the species including large plants such as Xanthorrhoea australis, but soon became dificult to detect as susceptible species were replaced by field-resistant graminoids. Reductions were assessed in species heterogeneity and plant density during 1976, at the onset of disease and from 1977 to 1984. Susceptible species disappeared from infested forest and no re-emergence was observed. Less-susceptible pl

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4

Touchell, DH, KW Dixon, and B. Tan. "Cryopreservation of Shoot-Tips of Grevillea scapigera (Proteaceae): a Rare and Endangered Plant From Western Australia." Australian Journal of Botany 40, no. 3 (1992): 305. http://dx.doi.org/10.1071/bt9920305.

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Cryopreservation of leaf, petiole, stem pieces and shoot-tips was investigated as a means for long-term maintenance of germplasm of the rare and endangered species, Grevillea scapigera A.S. George. Crypreservation was only achieved using shoot-tips or axillary buds and a slow-cooling regime with the aid of an improvised freezing device. The highest survival of thawed explants (20%) was obtained with 4-week-old in vitro shoot-tips cultured for 48 h in a prefreezing liquid culture medium supplemented with 5% dimethylsulfoxide. The pretreated shoot-tips were frozen in a liquid medium containing 1

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5

Crisp, Michael D., and Gregory T. Chandler. "Contributions Towards a Revision of Daviesia (Fabaceae: Mirbelieae). V. D. cardiophylla sens. lat." Australian Systematic Botany 10, no. 3 (1997): 321. http://dx.doi.org/10.1071/sb96015.

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Three new species, Daviesia cunderdin, D. euryloba and D. umbonata, are described from south-western Western Australia. The first is a recently discovered rare and endangered species from near the town after which it is named. The latter two are segregated from the widespread and variable species D. cardiophylla F.Muell. Full descriptions, illustrations, a distribution map and a key to all four species are presented.

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6

Nguyen, VP, AD Needham, and JA Friend. "A quantitative dietary study of the ?Critically Endangered? Gilbert?s potoroo Potorous gilbertii." Australian Mammalogy 27, no. 1 (2005): 1. http://dx.doi.org/10.1071/am05001.

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Faecal analysis from the only known population of Gilbert?s potoroo (Potorous gilbertii) near Albany, Western Australia revealed that it, like other rat-kangaroo species is primarily mycophagous. Diet was determined by faecal collections from live-captured animals within Two Peoples Bay Nature Reserve. Microscopic examination of samples collected from June - September 2000 and additional samples from storage, found fungi to comprise over 90% of faecal matter. A total of 44 fungal spore types were identified with many believed to be of hypogeous origin. Fungal spores belonging to the genera Mes

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7

Brundrett, Mark C. "Using vital statistics and core-habitat maps to manage critically endangered orchids in the Western Australian wheatbelt." Australian Journal of Botany 64, no. 1 (2016): 51. http://dx.doi.org/10.1071/bt15087.

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Vital-statistics data concerning population viability were gathered for four of the rarest orchids in Western Australia using surveys to define population sizes and habitat areas and annual measurements of plant demographics. These orchids were Caladenia melanema, C. graniticola, C. williamsiae and Drakaea isolata from the wheatbelt of Western Australia. This agricultural area has a Mediterranean climate with unreliable rainfall, and is >80% cleared of native vegetation. Surveys with 10–30 volunteers increased population-size estimates by up to 10 times and provided spatial data to define c

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8

Shepherd, Kelly A., Andrew Perkins, Joel Collins, Margaret Byrne, and Kevin R. Thiele. "Morphological and molecular evidence supports the recognition of a new subspecies of the critically endangered Pityrodia scabra (Lamiaceae)." Australian Systematic Botany 26, no. 1 (2013): 1. http://dx.doi.org/10.1071/sb12009.

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Taxonomic delineation of closely related taxa can be difficult, particularly in regions such as southern Western Australia where a highly diverse flora exhibits complex patterns of subtle morphological variation and genetic structuring and where some taxa have highly disjunct populations. A combined approach utilising highly variable, non-coding chloroplast gene regions and morphological data is used here to help delimit cryptic taxa in the rare Western Australian species Pityrodia scabra A.S.George. The species comprises disjunct populations over 400 km of the Western Australian wheatbelt fro

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9

Bunn, Eric, and Kingsley W. Dixon. "In Vitro Propagation of the Rare and Endangered Grevillea scapigera (Proteaceae)." HortScience 27, no. 3 (March 1992): 261–62. http://dx.doi.org/10.21273/hortsci.27.3.261.

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Micropropagation, including adventitious shoot growth from leaf sections, was achieved for Grevillea scapigera (Proteaceae), a rare and endangered species from Western Australia. Shoot tips were initiated on filter paper supports with liquid WPM (Woody Plant Medium) and supplemented with 20 μm zeatin riboside and 2 μm GA3. Shoots were then incubated on WPM solidified with agar and supplemented with 5 μm kinetin and 0.5 μm BA, which produced an approximate 6-fold multiplication rate per month. Up to three adventitious shoots were induced from 0.7-cm2 leaf sections after 6 to 7 weeks on solid 1/

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10

Casanova, Michelle T., and I. Joan Powling. "What makes a swamp swampy? Water regime and the botany of endangered wetlands in western Victoria." Australian Journal of Botany 62, no. 6 (2014): 469. http://dx.doi.org/10.1071/bt14119.

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Freshwater temporary wetlands are a little-studied ecosystem worldwide. They have been recognised as critically endangered in south-eastern Australia under Australian biodiversity conservation legislation. However, little has been recorded about their hydrology, functioning or biodiversity values; i.e. the factors that make them intrinsically ‘swampy’. In this paper, we developed a simple threshold model of wetland hydrology based on historical rainfall records and calculated evaporation records matched to records and recollections of the owners of swamps, and documented water-plant and microa

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11

English, V., and J. Blyth. "Development and application of procedures to identify and conserve threatened ecological communities in the South-west Botanical Province of Western Australia." Pacific Conservation Biology 5, no. 2 (1999): 124. http://dx.doi.org/10.1071/pc990124.

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A two year project was conducted to: (i) produce definitions, criteria and procedures for identifying threatened ecological communities (TECs) and assigning them to categories that define conservation status; (ii) develop a minimum data set for allocating TECs to one of these categories; (iii) establish a database and enter on it TECs, and associated data, of the South-west Botanical Province of Western Australia; and (iv) assess each community and make recommendations for actions to conserve them. The procedures described allow assessment of whether a particular biological assemblage can be d

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12

R. Williams, Matthew. "Butterflies and day-flying moths in a fragmented urban landscape, south-west Western Australia: patterns of species richness." Pacific Conservation Biology 15, no. 1 (2009): 32. http://dx.doi.org/10.1071/pc090032.

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Surveys of butterflies and day-flying moths were conducted at 46 bushland remnants in the Swan Coastal Plain, Western Australia, between 2001 and 2005. A total of 17 075 individuals was recorded, representing 35 butterfly and 5 day-flying moth species. Individual site species richness varied between one and 27 species. Two main groups of taxa were identified: (i) species that are reliant on remnant native vegetation for breeding and are entirely or predominantly restricted to remnant bushland (resident species or urban avoiders, 27 taxa); and (ii) species that now breed primarily on introduced

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13

Bunn, Eric, Tissa Senaratna, Krishnapillai Sivasithamparam, and Kingsley W. Dixon. "In vitro propagation of Eucalyptus phylacis L. Johnson and K. Hill., A critically endangered relict from Western Australia." In Vitro Cellular & Developmental Biology - Plant 41, no. 6 (November 2005): 812–15. http://dx.doi.org/10.1079/ivp2005700.

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14

Short, Jeff, Andrew Hide, and Megan Stone. "Habitat requirements of the endangered red-tailed phascogale, Phascogale calura." Wildlife Research 38, no. 5 (2011): 359. http://dx.doi.org/10.1071/wr10220.

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Context The red-tailed phascogale once occurred widely across semiarid and arid Australia, but is now confined to the southern wheatbelt of Western Australia. Its apparently extensive former range suggests a broad habitat tolerance, yet it is now reported primarily from remnant vegetation within farmland containing wandoo Eucalyptus wandoo and rock sheoak Allocasuarina huegeliana associations. Aims To establish the habitat requirements of phascogales with a view to understanding their current and likely future distribution and status. Methods We established presence or absence of phascogales a

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15

Batty, A. L., K. W. Dixon, M. Brundrett, and K. Sivasithamparam. "Long-term storage of mycorrhizal fungi and seed as a tool for the conservation of endangered Western Australian terrestrial orchids." Australian Journal of Botany 49, no. 5 (2001): 619. http://dx.doi.org/10.1071/bt01029.

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The impact of seed drying, seed storage and development of testing procedures for seed viability assessment was undertaken for a selection of common taxa with congeners that are rare and endangered (Caladenia, Diuris, Pterostylisand Thelymitra). Freshly collected seed showed significantly lower levels of germination compared with seed that had been subjected to drying over silica gel for 24 h. Seed dried over silica gel for 24 h and plunged into liquid nitrogen exhibited a further increase in germination levels. Germination of seed stored at 4, 18 or 22˚C for 1 year was substantially higher th

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16

Nield, Andrew P., Philip G. Ladd, and Colin J. Yates. "Reproductive biology, post-fire succession dynamics and population viability analysis of the critically endangered Western Australian shrub Calytrix breviseta subsp. breviseta (Myrtaceae)." Australian Journal of Botany 57, no. 6 (2009): 451. http://dx.doi.org/10.1071/bt09043.

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Calytrix breviseta Lindl. subsp. breviseta is a critically endangered, obligate-seeder shrub within fire-prone kwongan of south-west Western Australia. Little is known about the species’ reproductive biology and how threatening processes, particularly altered fire regimes and exotic species invasion, will impact the long-term viability of the species. This study aims to elucidate the species’ reproductive biology and patterns of seedling recruitment during succession after fire. The effects of changes to the fire return interval and exotic species invasion on the long-term viability of the spe

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17

Ohlsen, Daniel J., Leon R. Perrie, Lara D. Shepherd, and Michael J. Bayly. "Taxonomic status and distribution of the critically endangered Christmas Island spleenwort (Asplenium listeri, Aspleniaceae): it is not as rare as we thought." Australian Systematic Botany 27, no. 6 (2014): 372. http://dx.doi.org/10.1071/sb14047.

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Asplenium listeri C.Chr. has been considered endemic to Christmas Island and is one of only two fern species listed as Critically Endangered under Australia’s Environment Protection and Biodiversity Conservation Act. Its status as a distinct species has been questioned because of morphological similarity to the widespread A. polyodon G.Forst., which also occurs on Christmas Island. Molecular analyses revealed that A. listeri and plants attributed to A. polyodon from coastal limestone in New Caledonia and Vanuatu share the same rbcL, trnL–trnF and rps4–trnS haplotype and that other samples of A

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18

Nikabadi, Shahab, Eric Bunn, Shane Turner, Jason Stevens, and Kingsley Dixon. "Development of an in vitro propagation protocol for ex situ conservation of two critically endangered species of Commersonia (Malvaceae) from Western Australia." Australian Journal of Botany 58, no. 7 (2010): 565. http://dx.doi.org/10.1071/bt10184.

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Protocols for in vitro propagation of two critically endangered species, Commersonia adenothalia C.F.Wilkins ms and Commersonia sp. Mt Groper (R. Cranfield & D. Kabay 9157), from south-western Western Australia were established utilising both shoot and in vitro leaf explants. Regeneration from leaf explants was highest, with an average of four shoots per leaf explant per a 4-week incubation period on ½-strength Murashige and Skoog (MS) medium with 2.5 µM thidiazuron (TDZ) + 2.5 µM 3-indoleacetic acid (IAA) for C. adenothalia and 13 shoots per leaf explant on ½-strength MS medium + 4.5 µM 6

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19

Jones, BA, RA How, and DJ Kitchener. "A field study of Pseudocheirus occidentalis (Marsupialia : Petauridae) I. Distribution and Habitat." Wildlife Research 21, no. 2 (1994): 175. http://dx.doi.org/10.1071/wr9940175.

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Surveys aimed at determining the distribution and habitat of the rare and endangered western ringtail possum (Pseudocheirus occidentalis) were undertaken in south-western Australia during 1990-92. Surveys relied on sightings of animals, or their characteristic faecal pellets or dreys. Habitat descriptions were collected in areas occupied by P. occidentalis to describe the vegetation and topography. Additional information about habitat was collected at subsets of sites to reflect leaf nutrient levels (nitrogen, phosphorus and potassium) of the major food plants, and to reflect the relative sene

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20

Cole, Ian, Ian D. Lunt, and Terry Koen. "Effects of soil disturbance, weed control and mulch treatments on establishment of Themeda triandra (Poaceae) in a degraded white box (Eucalyptus albens) woodland in central western New South Wales." Australian Journal of Botany 52, no. 5 (2004): 629. http://dx.doi.org/10.1071/bt04010.

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Temperate grassy woodlands are endangered ecosystems in Australia, and many degraded remnants are in desperate need of understorey restoration. This experiment compared the effects of soil disturbance, weed control and mulch treatments on establishment of the original dominant grass, Themeda triandra Forssk., in a degraded white box (Eucalyptus albens Benth.) woodland at Cowra in central New South Wales (NSW). Awned Themeda seeds were surface-sown into replicated plots treated as follows: soil scalping, soil disturbance (by ripping), herbicide (simazine) application and retention of natural mu

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21

Lamont, Byron B., Neal J. Enright, E. T. F. Witkowski, and J. Groeneveld. "Conservation biology of banksias: insights from natural history to simulation modelling." Australian Journal of Botany 55, no. 3 (2007): 280. http://dx.doi.org/10.1071/bt06024.

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We have studied the ecology and conservation requirements of Banksia species in the species-rich sandplains of south-western Australia for 25 years. Loss of habitat through land-clearing has had the greatest impact on their conservation status over the last 50 years. Ascertaining optimal conditions for conservation management in bushland requires detailed knowledge of the species under consideration, including demographic attributes, fire regime, growing conditions and interactions with other species. Where populations have been fragmented, seed production per plant has also fallen. The group

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22

Schmid, Rudolf, J. Leigh, R. Boden, and J. Briggs. "Extinct and Endangered Plants of Australia." Taxon 35, no. 1 (February 1986): 205. http://dx.doi.org/10.2307/1221080.

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23

Jones, BA, RA How, and DJ Kitchener. "A field study of Pseudocheirus occidentalis (Marsupialia : Petauridae) II. Population studies." Wildlife Research 21, no. 2 (1994): 189. http://dx.doi.org/10.1071/wr9940189.

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Field studies of the rare and endangered western ringtail possum (Pseudocheirus occidentalis) were undertaken at five main sites in south-western Australia. Population studies employing capture-markrelease and telemetry methods were concentrated at Abba River and Locke Estate, near Busselton, and supplementary telemetry records were obtained for three females at Yendicup, Perup, near Manjimup. The location of dreys and sightings were mapped at Geographe Bay (near Busselton) and Emu Point (Albany). Mature adults of both sexes weighed about 1000 g and attained maturity at 830-900 g. Young were e

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24

Ornduff, Robert, and J. W. Green. "Census of the Vascular Plants of Western Australia." Taxon 36, no. 2 (May 1987): 531. http://dx.doi.org/10.2307/1221473.

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25

Cowan, R. S., and Eleanor M. Bennett. "The Bushland Plants of Kings Park, Western Australia." Taxon 39, no. 2 (May 1990): 255. http://dx.doi.org/10.2307/1223036.

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26

Cholewa, Anita F., R. J. Petheram, and B. Kok. "Plants of the Kimberley Region of Western Australia." Brittonia 38, no. 1 (January 1986): 59. http://dx.doi.org/10.2307/2807420.

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27

Patheram, R. V., and B. Kok. "Plants of the Kimberly Region of Western Australia." Journal of Range Management 39, no. 2 (March 1986): 190. http://dx.doi.org/10.2307/3899298.

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28

Puchalski, Jerzy, Maciej Niemczyk, Piotr Walerowski, Wiesław Podyma, and Adam Kapler. "Seed banking of Polish endangered plants – the FlorNatur Project." Biodiversity Research and Conservation 34, no. 1 (June 1, 2014): 65–72. http://dx.doi.org/10.2478/biorc-2014-0005.

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Abstract Among the 2750 species of the Polish vascular flora, about 500 species are threatened with extinction and 430 of them are strictly protected by national law. The FlorNatur project for the ex situ conservation of the most endangered species was started in 2009. The aim of the project is to collect seeds of 61 species from 161 sites in eastern Poland and store them in the Seed Bank of the Polish Academy of Sciences Botanical Garden - Center for Biological Diversity Conservation in Warsaw- Powsin. A complementary program is being carried out by the Forestry Gene Bank at Kostrzyca in west

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29

Sotek, Zofia. "Distribution changes of endangered peatland vascular plants in Western Pomerania (Poland)." Plant Diversity and Evolution 129, no. 3 (November 1, 2011): 317–27. http://dx.doi.org/10.1127/1869-6155/2011/0129-0056.

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30

Davison, E. M., A. Drenth, S. Kumar, S. Mack, A. E. Mackie, and S. McKirdy. "Pathogens associated with nursery plants imported into Western Australia." Australasian Plant Pathology 35, no. 4 (2006): 473. http://dx.doi.org/10.1071/ap06043.

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31

Pliszko, Artur. "Red list of vascular plants of the Western Suwałki Lakeland, north-eastern Poland." Acta Musei Silesiae, Scientiae Naturales 66, no. 1 (March 1, 2017): 65–73. http://dx.doi.org/10.1515/cszma-2017-0007.

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Abstract The paper presents a regional red list of vascular plant species native to the Western Suwałki Lakeland, north-eastern Poland, based on the IUCN red list categories and criteria. The distribution and abundance data were obtained from the field floristic inventories carried out in 2008- 2016 using the ATPOL cartogram method. The historical occurrences of vascular plant species were revised in the field. The list comprises 203 species, including seven regionally extinct species, 43 critically endangered species, 49 endangered species, 25 vulnerable species, 48 near threatened species, a

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32

Abensperg-traun, M., G. W. Arnold, D. E. Steven, G. T. Smith, L. Atkins, J. J. Viveen, and M. Gutter. "Biodiversity indicators in semi-arid, agricultural Western Australia." Pacific Conservation Biology 2, no. 4 (1995): 375. http://dx.doi.org/10.1071/pc960375.

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The predicted future loss of native Australian species of plants and animals, in part as a result of adverse land management strategies, has led to attempts to identify areas of high biotic richness (numbers of species). Bioindicators are measures of the physical environment, or of a subset of the plants or animals, that best predict biotic richness. Ideally, bioindicators should aim at predicting as large a component of the plant or animal fauna as is possible at minimum cost. For two contrasting vegetation types, we examined remnant area, vegetation structural diversity, species richness of

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33

Subbaiyan, B., P. Samydurai, M. Karthik Prabu, R. Ramakrishnan, and V. Thangapandian. "Inventory of Rare, Endangered and Threatened (RET) Plant Species in Maruthamalai Hills, Western Ghats of Tamilnadu, South India." Our Nature 12, no. 1 (March 3, 2015): 37–43. http://dx.doi.org/10.3126/on.v12i1.12255.

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The present study deal with identification of rare, endanger and threatened plants in Maruthamalai Hills, part of Southern Western Ghats of Coimbatore District, Tamilnadu. In this investigation 30 rare, endangered and threatened (RET) plant species belongs to 15 families were identified and documented. Names of plants and RET category was gathered from IUCN annual reports and standard research articles. Enumerated plants were categorized in rare, endangered, endemic and threatened, species such as Caralluma bicolor, Terminalia arjuna, Ceropegia juncea, Rubia cordifolia, Celastrus paniculatus,

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34

Zosky, Kerry L., Adrian F. Wayne, Kate A. Bryant, Michael C. Calver, and Fiona R. Scarff. "Diet of the critically endangered woylie (Bettongia penicillata ogilbyi) in south-western Australia." Australian Journal of Zoology 65, no. 5 (2017): 302. http://dx.doi.org/10.1071/zo17080.

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To assist the management of the critically endangered woylie (Bettongia penicillata ogilbyi), a quantitative study of its diet was conducted across five of the larger subpopulations in south-western Australia. There was a close match between dietary composition established from foregut contents and faecal pellets. Woylies were predominantly mycophagous in all subpopulations, but consumed a broad diet including invertebrates, seeds and other plant material. Individuals in a high-density, fenced subpopulation ate significantly less fungi than free-ranging animals from lower-density subpopulation

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35

Helgen, Kristofer M., and Timothy F. Flannery. "Taxonomy and historical distribution of the wallaby genus Lagostrophus." Australian Journal of Zoology 51, no. 3 (2003): 199. http://dx.doi.org/10.1071/zo02078.

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The banded hare-wallaby (Lagostrophus fasciatus) is an endangered macropodid currently restricted to Bernier and Dorre Islands in Shark Bay, Western Australia. Historically, L. fasciatus was also recorded on the Australian mainland from far western Australia, where it became locally extinct early in the twentieth century. Here we discuss an overlooked museum specimen of L. fasciatus collected in the mid-nineteenth century near Adelaide, South Australia. This specimen considerably extends the known historical distribution of L. fasciatus, validates anecdotal reports of the species from South Au

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36

Fabiszewski, Jerzy, and Paweł Kwiatkowski. "Threatened vascular plants of the Sudeten Mountains." Acta Societatis Botanicorum Poloniae 71, no. 4 (2014): 339–50. http://dx.doi.org/10.5586/asbp.2002.040.

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The authors present a list of extinct, dying out and threatened species of vascular plants of the Sudeten Mts. (south-western Poland), based on their own field studies carried out since 1972, historical literature data, and herbarial collections. The list comprises 584 taxa, i.e. almost 33% of the Sudeten vascular flora. Sixty species were recognized as extinct and disappeared, 93 - as critically endangered, 161 - as endangered, 224 - vulnerable, and 12 - near threatened species. No definite kind of threat was ascribed to 34 taxa. Thus they were included in the group of ,data deficient" specie

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37

Thapa, Lal B., Til Maya Dhakal, and Raghunath Chaudhary. "Wild Edible Plants Used by Endangered & Indigenous Raji Tribe in Western Nepal." International Journal of Applied Sciences and Biotechnology 2, no. 3 (September 25, 2014): 243–52. http://dx.doi.org/10.3126/ijasbt.v2i3.10969.

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The Rajis are one of the endangered indigenous people distributed in western part of Nepal enriched in their own mother tongue, culture, beliefs and practices. Owing to lack of proper documentation, the traditional knowledge of uses and practices on wild edible plants by such an endangered community is about to extinct. This paper aims to present the traditional practices and use of wild edible plants by Raji people in Nepal. Our study found that a total of 67 wild edible plant species included in 56 genera and 38 families used by Raji people. Out of them 62 species were angiosperms, one speci

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38

Keighery, Greg. "The naturalised vascular plants of the Pilbara region, Western Australia." Records of the Western Australian Museum, Supplement 78, no. 1 (2010): 299. http://dx.doi.org/10.18195/issn.0313-122x.78(1).2010.299-311.

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39

Grant, Carl D., and John Koch. "Orchid species succession in rehabilitated bauxite mines in Western Australia." Australian Journal of Botany 51, no. 4 (2003): 453. http://dx.doi.org/10.1071/bt02127.

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Twenty-three orchid species were recorded in Alcoa's permanent vegetation-monitoring plots in unmined and rehabilitated jarrah forest. Of these, 22 were identified in the unmined jarrah forest and 20 were recorded in rehabilitated areas of between 1 and 31 years old. Three species (Cyrtostylis ovata, Lyperanthus serratus and Prasophyllum elatum) were only recorded in the unmined forest and one species was only recorded in rehabilitated areas (Diuris carinata). The overall density of native orchids in the forest was 13 755 plants ha–1, 10 times greater than the density in rehabilitated areas (1

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40

Kashyap, Ujala, Anjali Chandel, Diksha Sharma, Sonali Bhardwaj, and Bhavya Bhargava. "Propagation of Jasminum parkeri: A Critically Endangered Wild Ornamental Woody Shrub from Western Himalaya." Agronomy 11, no. 2 (February 13, 2021): 331. http://dx.doi.org/10.3390/agronomy11020331.

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Jasminum parkeri Dunn is a narrowly endemic, critically endangered woody ornamental shrub confined to sub-temperate zone of Western Himalayas, and rediscovered from its type locality after a lapse of about 100 years. In the present study, a propagation technique of J. parkeri, using stem cuttings, was established for the first time through application of auxins, namely, indole-3-acetic acid (IAA), 1-naphthaleneacetic acid (NAA), and indole-3-butyric acid (IBA), at varying concentrations ranging from 1000 to 4000 ppm. The highest rooting percentage (98.33% (85.68% ± 4.32)), number of primary ro

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Taylor, Gary S., and Melinda L. Moir. "Further evidence of the coextinction threat for jumping plant-lice: three new Acizzia (Psyllidae) and Trioza (Triozidae) from Western Australia." Insect Systematics & Evolution 45, no. 3 (July 24, 2014): 283–302. http://dx.doi.org/10.1163/1876312x-00002107.

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Three new species of jumping plant-lice (Psylloidea) are described from Western Australia. Acizzia hughesae sp.n. occurs on Acacia veronica Maslin (Fabaceae: Mimosoideae), A. mccarthyi sp.n. on an undescribed species of Grevillea (Proteaceae) identified by the Western Australian State Government as in need of conservation action (Grevillea sp. ‘Stirling Range’) and Trioza barrettae sp.n. from the critically endangered Banksia brownii (Proteaceae). These new species of jumping plant-lice are considered rare, and at risk of extinction, or coextinction, as they are recorded from plant species wit

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Scott, John K., and Kathryn L. Batchelor. "Management of Chrysanthemoides monilifera subsp. rotundata in Western Australia." Invasive Plant Science and Management 7, no. 1 (March 2014): 190–96. http://dx.doi.org/10.1614/ipsm-d-13-00052.1.

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AbstractOne of Australia's most serious weeds, Chrysanthemoides monilifera subsp. rotundata (bitou bush) was recently found for the first time in Western Australia as a well established population in Kwinana, a major port and industrial area south of Perth, the State's capital. This population is remote from other bitou bush infestations in Australia and had escaped detection despite extensive surveys in the same State for the other subspecies that is present in Australia, Chrysanthemoides monilifera subsp. monilifera (boneseed). The main reasons it went undetected are thought to be the tightl

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Coutts, B. A., B. A. Cox, G. J. Thomas, and R. A. C. Jones. "First Report of Wheat mosaic virus Infecting Wheat in Western Australia." Plant Disease 98, no. 2 (February 2014): 285. http://dx.doi.org/10.1094/pdis-03-13-0288-pdn.

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In eastern Australia, there have been several as yet unconfirmed reports of Wheat mosaic virus (WMoV) infecting wheat (3). WMoV, previously known as High plains virus (HPV), is transmitted by the wheat curl mite (WCM, Aceria tosichella). It is often found in mixed infections with Wheat streak mosaic virus (WSMV), also transmitted by WCM (2,3). WSMV was first identified in Australia in 2003 (3). In October 2012, stunted wheat plants with severe yellow leaf streaking were common in a field experiment near Corrigin in Western Australia consisting of nine wheat cultivars. These symptoms were also

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SCHMIDT, STEFAN. "Revision of the Australian sawfly genus Antargidium (Hymenoptera, Symphyta, Argidae) with description of two new species." Zootaxa 3180, no. 1 (February 1, 2012): 47. http://dx.doi.org/10.11646/zootaxa.3180.1.4.

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Antargidium Morice, 1919 is a small sawfly genus with six described species. The distribution is limited to Australia, withfour species occurring in eastern and two in the south-eastern part of Western Australia. Two species, A. flavescens n. sp.and A. nigrum n. sp., are described as new from Western Australia. Antargidium rufum Benson syn. nov. is treated as asynonym of A. dentivalve Benson. Host plants are known for five species and include plants of the families Sapindaceae and Leguminosae.

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AUSTEN, J. M., R. JEFFERIES, J. A. FRIEND, U. RYAN, P. ADAMS, and S. A. REID. "Morphological and molecular characterization of Trypanosoma copemani n. sp. (Trypanosomatidae) isolated from Gilbert's potoroo (Potorous gilbertii) and quokka (Setonix brachyurus)." Parasitology 136, no. 7 (May 6, 2009): 783–92. http://dx.doi.org/10.1017/s0031182009005927.

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SUMMARYLittle is known of the prevalence and life-cycle of trypanosomes in mammals native to Australia. Native Australian trypanosomes have previously been identified in marsupials in the eastern states of Australia, with one recent report in brush-tailed bettongs (Bettongia penicillata), or woylie in Western Australia in 2008. This study reports a novel Trypanosoma sp. identified in blood smears, from 7 critically endangered Gilbert's potoroos (Potorous gilbertii) and 3 quokkas (Setonix brachyurus) in Western Australia. Trypanosomes were successfully cultured in vitro and showed morphological

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Lamsal, Pramod, Krishna Prasad Pant, Lalit Kumar, and Kishor Atreya. "Diversity, Uses, and Threats in the Ghodaghodi Lake Complex, a Ramsar Site in Western Lowland Nepal." ISRN Biodiversity 2014 (April 27, 2014): 1–12. http://dx.doi.org/10.1155/2014/680102.

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This study documents aquatic and terrestrial/riparian biodiversity in an anthropogenically disturbed Ramsar site, the Ghodaghodi Lake complex, in the Western Nepal surveyed during the summer season (March-April) of 2007. The study site comprises three major interconnected lakes: Ghodaghodi (138 ha), Nakharodi (70 ha), and Bainshwa (10 ha). Five transect lines for aquatic macrophytes and three transect lines and 37 sampling plots were laid to sample terrestrial/riparian plants, birds, and animals. Five sample plots were established for fish and aquatic bird. A total of 45 species of aquatic mac

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Morris, K. D. "The status and conservation of native rodents in Western Australia." Wildlife Research 27, no. 4 (2000): 405. http://dx.doi.org/10.1071/wr97054.

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This paper examines the conservation status of Western Australia’s native rodent fauna using IUCN criteria and compares this with their current status under State and Commonwealth legislation, as well as that recommended in the Rodent Action Plan. Of the 35 native rodent taxa known in Western Australia, four (11%) are currently listed as extinct, and six (17%) as threatened under Western Australian legislation. Nine are listed as threatened under Commonwealth legislation. It is proposed that two, currently unlisted, island sub-species should be regarded as threatened. Some decreases in conserv

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Gullan, Penny J., Melinda L. Moir, and M. C. Leng. "A new species of mealybug (Hemiptera: Pseudococcidae) from critically endangered Banksia montana in Western Australia." Records of the Western Australian Museum 28, no. 1 (2013): 13. http://dx.doi.org/10.18195/issn.0312-3162.28(1).2013.013-020.

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Short, J., B. Turner, and C. Majors. "The Fluctuating Abundance of Endangered Mammals on Bernier And Dorre Islands, Western Australia - Conservation Implications." Australian Mammalogy 20, no. 1 (1998): 53. http://dx.doi.org/10.1071/am97053.

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Bernier and Dorre Islands in Shark Bay, Western Australia, provide refuge to populations of five species of threatened mammals that are extinct on the mainland other than as reintroduced or captive populations. This paper provides estimates of changes in population size of four species over three years from 1988-9 to 1991-2. The period from November 1986 to March 1989 was one of below average rainfall intensifying to severe drought on the islands; the period from mid 1989 to 1992 was one of average to above-average rainfall. Three of the four species (L. hirsutus, B. lesueur and P. bougainvill

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Davies, S. J. J. F., and S. A. Kenny. "The ages and fecundity of some arid-zone plants in Western Australia." Rangeland Journal 35, no. 4 (2013): 455. http://dx.doi.org/10.1071/rj12112.

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Since 1960, 22 species of individually marked, arid-zone perennial plants in the Murchison District and Gibson Desert of Western Australia have been monitored for flowering, fecundity, and survival. The age to which individual species survive was determined in terms of half-life, i.e. the time elapsed for half of the marked sample to die. The estimates ranged from 6.5 to 535 years. Phenology was recorded by observing whether the plants carried buds, flowers, fruits, or any combination of these, or were sterile. Fecundity of each species was measured by recording each year the percentage of the

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