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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Diversity Among Macroalgae-Consuming Fishes On Coral Reefs: A Transcontinental Comparison, Adriana Verges, Scott Bennett, David R. Bellwood
Diversity Among Macroalgae-Consuming Fishes On Coral Reefs: A Transcontinental Comparison, Adriana Verges, Scott Bennett, David R. Bellwood
Research outputs 2012
Despite high diversity and abundance of nominally herbivorous fishes on coral reefs, recent studies indicate that only a small subset of taxa are capable of removing dominant macroalgae once these become established. This limited functional redundancy highlights the potential vulnerability of coral reefs to disturbance and stresses the need to assess the functional role of individual species of herbivores. However, our knowledge of species-specific patterns in macroalgal consumption is limited geographically, and there is a need to determine the extent to which patterns observed in specific reefs can be generalised at larger spatial scales. In this study, video cameras were …
A Meta-Analysis Of Seaweed Impacts On Seagrasses: Generalities And Knowledge Gaps, Mads Thomsen, Thomas Wernberg, Aschwin H. Engelen, Fernando Tuya, Mat A. Vanderklift, Marianne Holmer, Karen J. Mcglathery, Francisco Arenas, Jonne Kotta, Brian R. Silliman
A Meta-Analysis Of Seaweed Impacts On Seagrasses: Generalities And Knowledge Gaps, Mads Thomsen, Thomas Wernberg, Aschwin H. Engelen, Fernando Tuya, Mat A. Vanderklift, Marianne Holmer, Karen J. Mcglathery, Francisco Arenas, Jonne Kotta, Brian R. Silliman
Research outputs 2012
Seagrasses are important habitat-formers and ecosystem engineers that are under threat from bloom-forming seaweeds. These seaweeds have been suggested to outcompete the seagrasses, particularly when facilitated by eutrophication, causing regime shifts where green meadows and clear waters are replaced with unstable sediments, turbid waters, hypoxia, and poor habitat conditions for fishes and invertebrates. Understanding the situations under which seaweeds impact seagrasses on local patch scales can help proactive management and prevent losses at greater scales. Here, we provide a quantitative review of available published manipulative experiments (all conducted at the patch-scale), to test which attributes of seaweeds and seagrasses (e.g., …
The Impact Of Black Swan (Cygnus Atratus) Grazing On The Seagrass Halophila Ovalis In The Lower Swan River Estuary, Gary Choney
The Impact Of Black Swan (Cygnus Atratus) Grazing On The Seagrass Halophila Ovalis In The Lower Swan River Estuary, Gary Choney
Theses: Doctorates and Masters
Grazing is an important ecosystem process, influencing community structure and rates of ecosystem processes. Although grazing on seagrasses is generally considered to be minor in many temperate regions of the world, waterfowl are often considered significant grazers in temperate lagoons and estuaries. This study examined spatial and temporal variation in swan abundance, grazing pressure and the impact grazing has on seagrass. Little is known on how grazing rates vary on larger water bodies in the southern hemisphere at different times of year and whether temporal changes in grazing rates affect the ability of seagrasses to tolerate grazing. The plant response …
Swamp : Walking The Wetlands Of The Swan Coastal Plain ; And With The Exegesis, A Walk In The Anthropocene: Homesickness And The Walker-Writer, Anandashila Saraswati
Swamp : Walking The Wetlands Of The Swan Coastal Plain ; And With The Exegesis, A Walk In The Anthropocene: Homesickness And The Walker-Writer, Anandashila Saraswati
Theses: Doctorates and Masters
This project is comprised of a creative work and accompanying exegesis. The creative work is a collection of poetry which examines the history and ecology of the wetlands and river systems of the Swan Coastal Plain, and which utilises the practice of walking as a research methodology. For the creative practitioner walking reintroduces the body as a fundamental definer of experience, placing the investigation centrally in the corporeal self, using the physical senses as investigative tools of enquiry. As Rebecca Solnit comments in her history of walking, ‘exploring the world is one of the best ways of exploring the mind, …
Seeing Through Others' Eyes : Towards A Hybrid Ecology Of Marine Turtle And Dugong In Australia, Zoe Car
Seeing Through Others' Eyes : Towards A Hybrid Ecology Of Marine Turtle And Dugong In Australia, Zoe Car
Theses: Doctorates and Masters
This thesis explores the conflict between conservationists and Indigenous communities over the hunting of marine turtles and dugong in Australia, with a view to finding a way to overcome the barriers that prevent the resolution of this issue. I approached this exploration as an ecologist, using the framework of Berkes (2004) who proposed three shifts for the field of ecology. This meant taking a systems approach and investigating the intertwining threads of the issue as possible, with a specific focus on integrating the human aspects of the problem in a participatory manner. By doing so my work entered into a …