Alana Grech
James Cook University
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Publications 85
#1Vivitskaia Tulloch (Griffith University)
#2Alana Grech (JCU: James Cook University)H-Index: 19
Last. Robert G. Harcourt (Macquarie University)H-Index: 37
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Globally, fisheries bycatch threatens the survival of many whale and dolphin species. Strategies for reducing bycatch can be expensive. Management is inclined to prioritize investment in actions that are cheap, but these may not be the most effective. Here, we show the utility of an economic tool, return-on-investment, to inform cost effective reduction of cetacean bycatch. We use a case study of Australian fisheries to prioritize three different management actions for dolphins and whales – spat...
#1Vivitskaia J. D. Tulloch (Macquarie University)H-Index: 12
Last. Robert G. HarcourtH-Index: 37
view all 12 authors...
Assessments of fisheries interactions with non-target species are crucial for quantifying anthropogenic threatening processes and informing management action. We perform the first multi-jurisdictional analysis of spatial and temporal trends, data gaps and risk assessment of cetacean interactions with fisheries gear for the entire Australian Exclusive Economic Zone. Bycatch and entanglement records dating from 1887 to 2016 were collected from across Australia (n=1987). Since 2000 there has been a...
1 CitationsSource
#1Victoria Graham (Macquarie University)H-Index: 2
#2John B. Baumgartner (Macquarie University)H-Index: 8
Last. Alana Grech (JCU: James Cook University)H-Index: 19
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Protected areas are the primary strategy for maintaining natural landscapes and separating biodiversity features from preventable anthropogenic threats. The Convention on Biological Diversity calls for the coverage of at least 17% of land by protected areas, and the strategic prioritization of important biodiversity areas. Using the spatially explicit reserve design software, Marxan, this study combines climate refugia modelled under future climates in the year 2070 and bioregions to identify pr...
#1Kay Critchell (JCU: James Cook University)H-Index: 5
#2Mark T. Hamann (JCU: James Cook University)H-Index: 53
Last. Alana Grech (JCU: James Cook University)H-Index: 19
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Plastic pollution in the marine environment is a pervasive and increasing threat to global biodiversity. Prioritising management actions that target marine plastic pollution require spatial information on the dispersal and settlement of plastics from both local and external sources. However, there is a mismatch between the scale of most plastic dispersal studies (regional, national and global) and the scale relevant to management action (local). We use a fine-resolution hydrodynamic model to pre...
#1David R. Bellwood (JCU: James Cook University)H-Index: 72
#2Morgan S. Pratchett (JCU: James Cook University)H-Index: 55
Last. Graeme S. Cumming (JCU: James Cook University)H-Index: 46
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The world's coral reefs are rapidly transforming, with decreasing coral cover and new species configurations. These new Anthropocene reefs pose a challenge for conservation; we can no longer rely on established management plans and actions designed to maintain the status quo when coral reef habitats, and the challenges they faced, were very different. The key questions now are: what do we want to conserve on Anthropocene reefs, why, and how? Trends in reef management over recent decades reveal r...
9 CitationsSource
#1Harvey B. Lillywhite (UF: University of Florida)H-Index: 31
#2Coleman M. Sheehy (UF: University of Florida)H-Index: 10
Last. Alana Grech (JCU: James Cook University)H-Index: 19
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Acquisition of fresh water (FW) is problematic for FW-dependent animals living in marine environments that are distant from sources of FW associated with land. Knowledge of how marine vertebrates respond to oceanic rainfall, and indeed the drinking responses of vertebrates generally following drought, is extremely scant. The Yellow-bellied Sea Snake (Hydrophis platurus) is the only pelagic species of squamate reptile and ranges across the Indo-Pacific oceans, having one of the largest geographic...
2 CitationsSource
#1Vanessa Pirotta (Macquarie University)H-Index: 5
#2Alana Grech (JCU: James Cook University)H-Index: 19
Last. Robert G. Harcourt (Macquarie University)H-Index: 37
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Shipping routes in the ocean are analogous to terrestrial roads, in that they are regularly used thoroughfares that concentrate the movement of vessels between multiple locations. We applied a terrestrial road ecology framework to examine the ecological impacts of increased global shipping on "marine giants" (ie great whales, basking sharks [Cetorhinus maximus], and whale sharks [Rhincodon typus]). This framework aided in identifying where such "marine roads" and marine giants are likely to inte...
6 CitationsSource
#1Jon Brodie (JCU: James Cook University)H-Index: 43
#2Alana Grech (JCU: James Cook University)H-Index: 19
Last. Amelia S. Wenger (UQ: University of Queensland)H-Index: 16
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Australia’s Great Barrier Reef (GBR) is in severe ecological decline with, for example, large reductions in coral cover and dugong populations. The principal causes of the decline are associated with climate change effects and poor water quality. Poor water quality is due to increased loads of fine sediment, nutrients (nitrogen and phosphorus), and pesticides discharged to the GBR from agricultural sources on the GBR catchment. Management of agricultural practices, primarily in the two principal...
#1Alana Grech (JCU: James Cook University)H-Index: 19
#2Emmanuel Hanert (UCL: Université catholique de Louvain)H-Index: 19
Last. Rob Coles (JCU: James Cook University)H-Index: 27
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Alana Grech, Emmanuel Hanert, Len McKenzie, Michael Rasheed, Christopher Thomas, Samantha Tol, Mingzhu Wang, Michelle Waycott, Jolan Wolter, Rob Coles
1 CitationsSource