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Southern Cross University is a multi-campus university on Australia's east coast.

Journal Article

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Southern Cross University

We examine how spiked pepper (Piper aduncum L., Piperaceae), a shade intolerant, animal-dispersed Neotropical tree, is spreading in the interior of Borneo. Concerned that logging roads might be facilitating this spread, we made a series of observations, relating tree distribution, location and road history, in a concession in East Kalimantan. These roads will connect West Kutai and Malinau Dis ...

SUBJECT: borneo; logging road; p. aduncum; control; spread

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Southern Cross University

Late 19th century technological advances for capturing whales, when combined with the expansion of processing capabilities in the early 20th century, created an industry that could catch and quickly render virtually any whale in any ocean. Here, using the current International Whaling Commission (IWC) database and other sources, we provide the fi rst accounting of the total global catch by ind ...

SUBJECT: environmental sciences

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Southern Cross University

Determining the reproductive processes of benthic invertebrates is central to our understanding of their recruitment and population dynamics. Sexual reproduction of the gonochoric and viviparous Great Barrier Reef sponge, Luffariella variabilis (Poléjaeff 1884) was quantified from histological samples collected over two reproductive seasons (2004 and 2005). Gametogenesis commenced for females ...

SUBJECT: environmental sciences

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Southern Cross University

The coastline of Australia spans tropical to temperate latitudes and encompasses a highly diverse phytoplankton community. Yet little is known about environmental driving forces of compositional and distributional patterns in natural phytoplankton communities of Australia. We investigate the relationships of phytoplankton (pico-, nano-, microphytoplankton, determined by microscopy and CHEMTAX) ...

SUBJECT: chemtax; microscopy; continental shelf; synechococcus; diatoms

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Southern Cross University

Public concern resulting from unconventional coal seam gas (CSG) exploration and production has become a contentious planning issue in regional Australia, with public concern drawing attention to government planning obligations. To assist Lismore City Council (Northern New South Wales) in its deliberations on the topic, a referendum-style poll on the issue of CSG industry development was held ...

SUBJECT: coal seam gas; csg; unconventional gas; community; regional planning

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Southern Cross University

The potential to reduce emissions from agriculture and increase the amount of carbon captured in soils is currently being examined by researchers in a number of countries. This paper describes a process of carbon capture and long-term storage using silica phytoliths and, provides the results of a study of this process on newly planted and ratooned sugarcane varieties. Our results indicate that ...

SUBJECT: occluded carbon; terrestrial carbon sequestration; organic matter decomposition; phytoc; soil organic carbon

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Southern Cross University

Externally bonded fibre-reinforced polymer (FRP) composites can be applied to strengthen and repair existing steel structures. In order to understand and quantify the behaviour of the bonded interface, researchers have conveniently tested FRP-to-steel joint assemblages. Both single- and double-shear joints of varying boundary conditions have been tested to date in which either the steel or FRP ...

SUBJECT: steel; strengthening.; frp; joints; interfacial stresses

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Southern Cross University

The Andaman-Sumatra Tsunami of Dec. 26, 2004, was by far the largest tsunami catastrophe in human history. An earthquake of 9 to 9.3 on the Richter scale, the extension of waves over more than 5000 km of ocean and run-ups up to 35 m are its key features. These characteristics suggest significant changes in coastal morphology and high sediment transport rates. A field survey along the west coas ...

SUBJECT: earth sciences; coral reef damage; tsunami; thailand; sediment deposits

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Southern Cross University

Recent studies on the impacts of ocean acidification on pelagic communities have identified changes in carbon to nutrient dynamics with related shifts in elemental stoichiometry. In principle, mesocosm experiments provide the opportunity of determining temporal dynamics of all relevant carbon and nutrient pools and, thus, calculating elemental budgets. In practice, attempts to budget mesocosm ...

SUBJECT: environmental sciences

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Southern Cross University

The most significant energy consumers in energy related industries are boilers and other gas-fired systems. Combustion efficiency term commonly used for boilers and other fired systems and the information on either carbon dioxide (CO2) or oxygen (O2) in the exhaust gas can be used. The aim of this study is to develop a simple-to-use predictive tool which is easier than the existing approaches ...

SUBJECT: natural gas; furnace; boiler; excess air; combustion efficiency

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