Search Results - "Hesp, S. Alex"

Temporal changes in the growth of a crustacean species, Portunus armatus, in a temperate marine embayment: evidence of density dependence by Marks, Rachel, Hesp, S Alex, Johnston, Danielle, Denham, Ainslie, Loneragan, Neil

“…Abstract Growth is a key attribute influencing population dynamics and fishery production, and understanding factors that affect the growth of individuals in a…”
Get full text

Similarities between line fishing and baited stereo-video estimations of length-frequency: novel application of Kernel Density Estimates by Langlois, Timothy J, Fitzpatrick, Benjamin R, Fairclough, David V, Wakefield, Corey B, Hesp, S Alex, McLean, Dianne L, Harvey, Euan S, Meeuwig, Jessica J

“…Age structure data is essential for single species stock assessments but length-frequency data can provide complementary information. In south-western…”
Get full text

Exceptional longevity in a lightly exploited, semi‐anadromous clupeid (Perth herring Nematalosa vlaminghi) within a degraded estuarine environment by Smith, Kimberley A., Coulson, Peter G., Hesp, S. Alex

“…Many anadromous (and semi‐anadromous) fish species, which migrate from marine to freshwater ecosystems to spawn and to complete their life cycle, are currently…”
Get full text

Reproductive biology and protandrous hermaphroditism in Acanthopagrus latus by HESP, S. Alex, POTTER, Ian C, HALL, Norman G

“…Detailed macroscopic and histological studies of the gonads of a full size and age range of Acanthopagrus latus from each season in Shark Bay, Western…”
Get full text

Biomass estimates and harvest strategies for the Western Australian Octopus aff. tetricus fishery by Hart, Anthony M, Murphy, Dave, Hesp, S Alex, Leporati, Stephen

“…Abstract Octopus aff. tetricus is the target of Australia’s most significant octopus fishery. We utilized both fishery-independent surveys and fishery data…”
Get full text

Comparisons between the biology of two co-occurring species of whiting (Sillaginidae) in a large marine embayment by COULSON, Peter G, HESP, S. Alex, POTTER, Ian C, HALL, Norman G

“…We compare the biology of the tropical species Sillago analis and the temperate species Sillago schomburgkii in Shark Bay, a large subtropical marine embayment…”
Get full text

Stock Enhancement in Greenlip Abalone Part III: Bioeconomic Evaluation by Hart, Anthony M., Strain, Lachlan W. S., Hesp, S. Alex

“…This study presents a bioeconomic evaluation of the effect of stock enhancement on biomass, net present value, profitability, and gross value of product of the…”
Get full text

Differential changes in production measures for an estuarine-resident sparid in deep and shallow waters following increases in hypoxia by Cottingham, Alan, Hall, Norman G., Hesp, S. Alex, Potter, Ian C.

“…This study determined how productivity measures for a fish species in different water depths of an estuary changed in response to the increase in hypoxia in…”
Get full text

Biological and Genetic Characteristics of Restocked and Wild Acanthopagrus butcheri (Sparidae) in a Southwestern Australian Estuary by Gardner, Michelle J., Cottingham, Alan, Hesp, S. Alex, Chaplin, Jennifer A., Jenkins, Greg I., Phillips, Nicole M., Potter, Ian C.

“…Acanthopagrus butcheri was restocked in an estuary in which it had become depleted. The restocked fish were cultured in 2001 and 2002 using broodstock from…”
Get full text

Marked deleterious changes in the condition, growth and maturity schedules of Acanthopagrus butcheri (Sparidae) in an estuary reflect environmental degradation by Cottingham, Alan, Hesp, S. Alex, Hall, Norman G., Hipsey, Matthew R., Potter, Ian C.

“…As Acanthopagrus butcheri typically completes its life within its natal estuary and possesses plastic biological characteristics, it provides an excellent…”
Get full text

Development and validation of fish-based, multimetric indices for assessing the ecological health of Western Australian estuaries by Hallett, Chris S., Valesini, Fiona J., Clarke, K. Robert, Hesp, S. Alex, Hoeksema, Steeg D.

“…We describe the development of the first fish-based, multimetric indices for assessing and monitoring the health of Australian estuaries, and their application…”
Get full text

International workshop on advancing methods to overcome challenges associated with life history and stock assessments of data-poor deep-water snappers and groupers by Newman, Stephen J., Wakefield, Corey B., Williams, Ashley J., O’Malley, Joseph M., Taylor, Brett M., Nicol, Simon J., Nichols, Ryan S., Hesp, S. Alex, Hall, Norm G., Hill, Nicholas, Ong, Joyce J.L., Andrews, Allen H., Wellington, Claire M., Harvey, Euan S., Mous, Peter, Oyafuso, Zack S., Pardee, Cassandra, Bunce, Michael, DiBattista, Joseph D., Moore, Bradley R.

“…Most fisheries for deep-water snappers, groupers and other demersal fishes in many countries and territories throughout the Indo-Pacific are data-poor and/or…”
Get full text

Exploring the Effectiveness of a Fisheries Simulation Model for Communicating Stock Assessment Information by Fisher, Emily A., Hesp, S. Alex, Hall, Norman G.

“…The effectiveness of graphical user interfaces for conveying stock assessment information within a fisheries simulation model was explored. Assessments of…”
Get full text

Comparisons of the Growth and Gonadal Development of Otolith-Stained, Cultured Black Bream, Acanthopagrus butcheri, in an Estuary with Those of Its Wild Stock by Potter, Ian C., French, Daniel J. W., Jenkins, Greg I., Hesp, S. Alex, Hall, Norman G., de Lestang, Simon

“…Acanthopagrus butcheri was cultured from broodstock from a southwestern Australian estuary in which its abundance had declined. After marking their otoliths…”
Get full text

The western blue groper , a protogynous hermaphroditic labrid with exceptional longevity, late maturity, slow growth, and both late maturation and sex change by Coulson, Peter G, Hesp, S. Alex, Hall, Norman G, Potter, Ian C

“…The western blue groper (Achoerodus gouldii), a protogynous hermaphroditic labrid with exceptional longevity, late maturity, slow growth, and both late…”
Get full text

Biological characteristics and mortality of western butterfish , an abundant bycatch species of prawn trawling and recreational fishing in a large subtropical embayment by Mant, Jason C, Moran, Michael J, Newman, Stephen J

“…The western butterfish (Pentapodus vitta) is numerous in the bycatch of prawn trawling and recreational fishing in Shark Bay, Western Australia. We have thus…”
Get full text