148 Works

Australian forest and wood products statistics: March and June quarters 2018

Australian Bureau Of Agricultural Resource Economics And Sciences (ABARES)
This issue of the Australian forest and wood products statistics (AFWPS) presents 2016-17 data for key indicators of domestic forestry sector activity, including sales and service income and industry value added. It includes estimates of the volume and value of logs harvested in 2017-18; as well as housing and other residential commencements, and wood products trade statistics for 2017-18. This AFWPS issue also presents updated socio-economic indicators and trends for the forestry sector drawn from...

Soil Gamasina from savanna and ReviTec site of Ngaoundéré (Adamawa, Cameroon): abundance and species diversity

Dieudonné Djackba Danra, Elias Nchiwan Nukenine & Hartmut Koehler
Soil Gamasina of Central African savanna are little known. In our study, Gamasina were assessed for a high Guinean savanna and for selected treatments of a ReviTec site for the rehabilitation of degraded soil, Ngaoundéré region (Adamawa, Cameroon). The experimental site was established in 2012. Four years later, in 2016, four sampling campaigns during the rainy season were undertaken (May, June, July, August). The investigated treatments were: (1) compost + mycorrhiza (cpmy), (2) compost +...

Delta-9 Fatty Acid Desaturase Mutants Display Increased Body Size

James F.; Savage-Dunn Clark
C. elegans contain three Δ9 fatty acid desaturases (FADs), fat-5, fat-6, and fat-7, responsible for the initial desaturation step in the synthesis of complex polyunsaturated fatty acids (PUFAs). Production of PUFAs is vital for survival, as simultaneous loss-of-function in all three genes results in synthetic lethality (Brock et al. 2006). Animals containing mutations in any one of the three Δ9 FADs, fat-5, fat-6, and fat-7, display an increase in body length. fat-5 mutants display a...

Analysis of 2018 drought: 25 October 2018

Steve Hatfield-Dodds, Neal Hughes, Andrew Cameron, Matthew Miller & Tom Jackson
This brief is based on a presentation by ABARES’ Executive Director to the National Drought Summit in October 2018 describing the effects of the current drought on Australian agriculture. The brief summarises the extent of rainfall deficiencies and the effects on crop production, livestock markets and farm incomes.

L'Alternanza Scuola Lavoro in INAF a.s. 2016/2017

Livia Giacomini & Marco Ziggiotti
In Italia, tutti gli studenti frequentanti un Istituto di Istruzione Superiore devono per legge effettuare nel corso del triennio finale dei progetti di Alternanza Scuola Lavoro (ASL). L’obbligatorietà dell’ASL riguarda nel 2017/2018 circa 1 milione e mezzo di studenti. Questo documento costituisce la prima analisi globale delle attività didattiche di ASL svolte da INAF nell’anno 2016/2017, per un totale di 35.800 ore per studente erogate nelle 15 sedi coinvolte sul territorio italiano..

Various evolutionary avenues of Nematoda to parasitism in Gastropoda

Walter Sudhaus
The various associations between nematodes and gastropods, which range from random transportation to endophoresis, necromeny, larval parasitism and an entire parasitic or parasitoidic life-style with and without intermediate or paratenic hosts, are discussed in an evolutionary context. Ten to eleven lineages have accomplished the transition to a life at the expense of gastropods, three via a detour of parasitism in vertebrates (Metastrongyloidea, Nemhelix and within Cosmocercoides). In the lineage to Agfa the sequence endophoretic, necromenic,...

INCAS: INtensive Clustered ARM SoC - Cluster Deployment

Sara Bertocco, David Goz, Luca Tornatore & Giuliano Taffoni
The report describes the work done to deploy an Heterogeneous Computing Cluster using CPUs and GPUs integrated on a System on Chip architecture, in the environment of the ExaNeSt H2020 project. After deployment, this cluster will provide a testbed to validate and optimize several HPC codes developed to be run on heterogeneous hardware. The work done includes: a technology watching phase to choose the SoC best fitting our requirements; installation of the Operative System Ubuntu...

Dispersion of nematodes (Rhabditida) in the guts of slugs and snails

Walter Sudhaus
A survey was carried out to find non-parasitic nematodes associated with slugs and snails in order to elucidate the initial phase of endophoresis and necromeny in gastropods. 78 % of the specimens of the 12 terrestrial gastropod species surveyed carried nematodes. A total of 23 nematode species were detected alive and propagable in gastropod faeces, with 16 different species found in Arion rufus alone. Most were saprobiontic rhabditids, with species of Caenorhabditis, Oscheius and Panagrolaimus appearing...

The future of public sector forecasting in Australian agriculture

Rohan Nelson
The operating context of Australian agriculture has changed dramatically since Australian governments first committed to providing forecasting services for agriculture in the 1940s. This paper explores the evolution of these forecasting services, how the world has changed since then, and what this means for the future design of these services.

A snapshot of Australian Fisheries and Aquaculture

Australian Bureau Of Agricultural Resource Economics And Sciences (ABARES)

Conservation of ant material for natural history collections (Hymenoptera: Formicidae)

Alexander Prosche
Correct sampling and preparation of living material build up the heart of all natural history collections. Ideally, the samples outlive their collectors and preparators for centuries. This article gives advice on correct and durable storage of either mounted or ethanol stored material as well as on correct sampling during field work. Furthermore, the advantages and disadvantages of a number of the most common ant preparation techniques for inner and outer body characters are presented, compared,...

Performance of direct N-body code on ARM64 SoC

David Goz, Luca Tornatore, Sara Bertocco & Giuliano Taffoni
The ExaNeSt H2020 project will produce a prototype based on ARM64 CPUs and FPGA-based accelerators implementing a co-design approach where scientific applications requirements are driving the hardware design. We present strategies adopted in order to port our direct N-body code on an ARM SoC cluster, called INCAS, deployed at INAF-OATs. Each computational node is based on 64-bit ARMv8 Cortex-A72/Cortex-A53 core design, powered by the Mali-T864 GPU. We present the strategies to optimize the code and...

On the life cycle and parasitism of the trombiculid mite Hirsutiella hexasternalis (Kudryashova, 1998) (Acariformes, Trombiculidae)

Andrey B. Shatrov
Post-larval life cycle, larval morphology and histology of the sites of the larvae feeding were investigated in the trombiculid mite Hirsutiella hexasternalis (Kudryashova, 1998) based on the material firstly collected from West Siberia (Tyumen province) from the voles Myodes rutilus (Pallas, 1779). Duration of the nymphal developmental stages generally corresponds to those of other trombiculid mites with the average values of 19 and 13 days for proto- and tritonymphs, respectively. Duration of active deutonymphal stage...

Nuclear localization of a C. elegans CCCH-type zinc finger protein encoded by T26A8.4

Takashi Koyama & Chisato Ushida
T26A8.4 encodes a CCCH-type zinc finger protein. The amino acid sequence of this protein is partially similar to that of S. cerevisiae Caf120p, which has no zinc finger domain. T26A8.4-encoded RNA was detected more abundantly in germ cells than in other tissues of L4-adult worms according to the NEXTDB data. When expressed specifically in the germline under control of the mex-5 promoter, the T26A8.4-encoded protein localized to germ cell nuclei in the adult hermaphrodite and...

Australian Fisheries and Aquaculture Statistics 2017

Australian Bureau Of Agricultural Resource Economics And Sciences (ABARES)

Direct N-body code designed for a cluster based on heterogeneous computational nodes

David Goz, Luca Tornatore, Sara Bertocco & Giuliano Taffoni
The ExaNeSt H2020 project is developing an exascale ready prototype based on hybrid hardware (CPUs+accelerators). Astrophysical codes are used to test and validate the exascale platform. At the same time, astrophysical applications must be re-engineered in order to exploit heterogeneous hardware. We present and test the parallel scheme of a state-of-the-art direct N -body code (called ExaHiGPUs) conceived to be run on hybrid architecture.

Why are there so many exotic Springtails in Australia? A review.

Penelope Greenslade
Native invertebrate assemblages in Australia are adversely impacted by invasive exotic plants being replaced by exotic, invasive invertebrates. The reasons have remained obscure. The different physical, chemical and biotic characteristics of the novel habitat seem to present hostile conditions for native species. This results in empty niches. It seems the different ecologies of exotic invertebrate species may be better adapted to colonise these novel empty niches than native invertebrates. Native faunas of other southern continents...

The Mapping of Drosophila melanogaster mutant A.4.4

Kayla L Bieser, Joyce Stamm, Ayala A Aldo, Suneil Bhaskara, Makayla Claiborne, Joselyn N Coronel Gómez, Ron Dean, Aaron Dowell, Evan Dowell, Mathew Eissa, Ahmad A Fawaz, Michael M Fouad-Meshriky, Dustin Godoy, Krista Gonzalez, Malak K Hachem, Malak F Hammoud, Anthony Huffman, Hunter Ingram, Alex B Jackman, Bibek Karki, Natalia Khalil, Houda Khalil, Tran Khanh Ha, Arjun Kharel, Izabell Kobylarz … & Jacob D Kagey
A novel Drosophila melanogaster mutant A.4.4 was isolated from a conditional Flp/FRT mosaic eye screen in the context of blocked apoptosis (Kagey et al., 2012). The ;FRT42D, Dark82 chromosome was used as a starting point for the EMS mutagenesis screen to screen for mutations that conferred a growth advantage in the environment of blocked apoptosis via the homozygous Dark82 allele (Akdemir et al., 2006). Mutants were screened for over-representation of mutant tissue (pigmented) as compared...

Snapshot of Australia's agricultural workforce

Bill Binks, Nyree Stenekes, Heleen Kruger & Robert Kancans
his snapshot describes Australia’s agricultural workforce, providing key information and statistics in one place. We cover where workers live, what sub-industries and occupations they work in, and the mobility and educational attainment of the workforce. The snapshot also describes the involvement of Indigenous people, People from Culturally and Linguistically Diverse backgrounds, women and young people in the agricultural workforce.

Two new species records of Proprioseiopsis Muma (Acari: Mesostigmata: Phytoseiidae) from Germany

Farid Faraji, Pierre Mack, Simon Staudt & Jeffrey Kolkman
Proprioseiopsis mauiensis (Prasad, 1968) and P. sharovi (Wainstein, 1975) are new species records for German mite fauna. They are re-described and illustrated.

Establishment of a CRISPR/Cas9-based strategy for inducible protein dimerization

Jeffrey Zielich, Sriyash Mangal, Esther Zanin & Eric J. Lambie
We modified Norris’s mCherry-tag repair donor vector by fusing a C. elegans codon-optimized fkbp12 sequence 3’ to mCherry (Mangal et al. 2018) and re-establishing the critical NotI site for 3’ homology region insertion (Figure 1 A; pEL226). This vector can be used to C-terminally tag any GOI by following the protocol of Norris et al. (2015), including subsequent Cre-mediated excision of the dual marker selection cassette (Figure 1 B). As proof of principle we C-terminally...

Performance of direct N-body code on ARM64 SoC

David Goz, Luca Tornatore, Sara Bertocco & Giuliano Taffoni
The ExaNeSt H2020 project will produce a prototype based on ARM64 CPUs and FPGA-based accelerators implementing a co-design approach where scientific applications requirements are driving the hardware design. We present strategies adopted in order to port our direct N-body code on an ARM SoC cluster, called INCAS, deployed at INAF-OATs. Each computational node is based on 64-bit ARMv8 Cortex-A72/Cortex-A53 core design, powered by the Mali-T864 GPU. We present the strategies to optimize the code and...

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