Recovery of inner Shark Bay snapper (Pagrus auratus) stocks: relevant research and adaptive recreational fisheries management in a World Heritage Property

2012 ◽  
Vol 63 (11) ◽  
pp. 1180 ◽  
Author(s):  
Gary Jackson ◽  
Michael Moran

Despite the increasing importance of marine recreational fishing, recreational fisheries management is often hampered by lack of adequate data and limited effectiveness of conventional regulations. In Shark Bay, Western Australia, snapper (Pagrus auratus) in the Eastern Gulf, Denham Sound and Freycinet Estuary have been a major attraction for recreational fishers since the 1960s. Various management measures were progressively introduced from 1998 onwards to limit snapper catches, including increases in minimum length, introduction of a maximum length, reductions in daily bag limit, a moratorium in the Eastern Gulf (June 1998–March 2003), a 6-week spawning closure in the Freycinet Estuary and, finally, the introduction of a Total-Allowable-Catch-based system in 2003. Stock assessments in 2011 indicated that spawning biomass in the Eastern Gulf and Denham Sound had rebuilt to the management target level while biomass in the Freycinet Estuary remained below the threshold level but was continuing to slowly rebuild. This paper summarising the research and adaptive management of the snapper fishery over the last 15+ years represents an important case study that addresses a range of issues typically associated with marine recreational fisheries, including assessment of stock size and recreational catch, evaluation of management regulations and active engagement with the recreational fishing community.

2012 ◽  
Vol 63 (11) ◽  
pp. 1191 ◽  
Author(s):  
Jeffrey V. Norriss ◽  
Michael Moran ◽  
Gary Jackson

The snapper (Pagrus auratus) fisheries of Shark Bay’s complex inner gulfs are managed on a fine spatial scale (tens of kilometres). Following the splitting of the Western Gulf into two management zones, results from an earlier 1980s tagging study were revisited to assess the suitability of management arrangements. Recaptures up to 15 years at liberty showed highly restricted movement, with 300 of 491 occurring within 5 nautical miles of the tagging site and only 3.3% crossing the new zone boundary. A simple stock-trajectory model simulating the two Western Gulf populations demonstrated a negligible impact from a 1% per annum level of mixing. The 1980s study was repeated between 1998 and 2003 by tagging 2558 snapper, mainly in areas previously under-represented. Recaptures up to 2 years at liberty again showed highly restricted movement, with 181 of 197 recaptures occurring at the tagging site. Juveniles were more sedentary than adults, the latter showing limited evidence of inter-annual spawning-site fidelity. Together, both studies support the use of three small management zones. Community acceptance of these complex arrangements was aided by collaborating with volunteers on research programs, which improved their understanding of the population structure.


<i>Abstract</i> .—There is a need to better understand the perspectives of various recreational fishing stakeholder groups regarding key issues related to fisheries sustainability. To provide a first snapshot and to inform future human dimension studies in this area, we distributed a Web-based open-access survey to fisheries researchers, fisheries managers, and anglers in North America. Attitudes of these respondents towards issues such as overharvest, impacts of catch and release, recreational fisheries management, and research priorities for the future were assessed. We found similar opinions and perspectives by the responding recreational anglers, managers, and researchers on a number of issues, such as the perceived impact of commercial fishing contributing to fish stock declines, the perceived importance of using and promoting gear that minimizes stress and injury to individual fish when fish are to be released, and the belief that conflicts among stakeholders is growing as is the global anti-fishing movement based on animal rights thinking. Differences among responding groups included that researchers tended to be more concerned than anglers and managers with the potential of recreational angling contributing to fish stock declines. Responding anglers were also less content with their involvement in the fisheries management process than were responding managers and researchers, and these anglers also indicated a greater desire for more human dimensions research on understanding angler attitudes and behavior than was evident for responding managers and researchers. This preliminary survey revealed some variation in attitudes among recreational fisheries stakeholders. However, due to lack of random sampling, the study results cannot be extrapolated to the population level. We nevertheless conclude that improved communication and better understanding about the different perspectives among fisheries researchers, managers, and anglers and intrasectorally among different angling groups are needed, particularly when addressing contentious issues of relevance for the entire recreational fishing sector.


EDIS ◽  
2019 ◽  
Vol 2019 (5) ◽  
pp. 7
Author(s):  
Edward Vincent Camp ◽  
Rick Stout ◽  
Nick Trippel ◽  
Jon Fury ◽  
Stasey Whichel ◽  
...  

Florida researchers and fisheries management agencies have conducted years of research on stocking, a common and popular but intensive option for improving recreational fisheries, but determining how successful it has been in Florida has been challenging. This 7-page fact sheet written by Edward V. Camp, Rick Stout, Nick Trippel, Jon Fury, Stasey Whichel, and Kai Lorenzen and published by the UF/IFAS School of Forest Resources and Conservation Program in Fisheries and Aquatic Sciences reviews recent scientific literature to describe the benefits of stocking and the potential drawbacks to create useful definitions of stocking success, as well as metrics for evaluation that are specifically tailored for Florida. Well-planned stocking can not only improve recreational fishing but achieve broader research and management goals and help us to understand how fisheries function, both biologically and socioeconomically. http://edis.ifas.ufl.edu/fa216


<i>Abstract</i> .—The World Recreational Fishing Conference represents the only scientific meeting that is truly global, attracting scientists, managers, industry representatives, policy makers, and other stakeholders to discuss pertinent issues in recreational fisheries. The Fifth World Recreational Fishing Conference was held in Dania Beach, Florida, on November 10–12, 2008. This book represents the peer-reviewed proceedings of the landmark conference. Chapters in this book cover a range of issues such as governance, social and biological management tools and issues, ethics, and novel survey methods to advance the science and management of recreational fisheries.


<em>Abstract.—</em>Urban and community fishing (UCF) projects are viewed as a way to provide easily accessible fishing opportunities to an increasingly urbanized society, thereby retaining and recruiting anglers and maintaining support for conservation of fisheries resources. Nearby, out-of-city fishery resources provide an option for development of UCF opportunities by municipalities lacking aquatic resources that can support recreational fishing. Examples of out-of-city fishing sites used as part of UCF projects in eight states are summarized. These out-of-city fishery resources not only provide relatively accessible fishing opportunities, but they also provide more diverse and often more natural fishing experiences. This diversity of fishing experiences may be useful for satisfying a broader angler constituency and aiding the transition of anglers from urban to more traditional, rural fisheries. Inclusion of out-of-city fishery resources in UCF programs can benefit from partnerships between state fisheries management agencies and municipal agencies and organizations.


2018 ◽  
Vol 132 (1) ◽  
pp. 61-66 ◽  
Author(s):  
Robert J. Lennox ◽  
William M. Twardek ◽  
Steven J. Cooke

Bycatch in fisheries is a well-explored topic, although less so in recreational fisheries. We encountered frequent bycatch of Mudpuppy (Necturus maculosus), a neotenic aquatic salamander that is active in winter, in passively baited ice-fishing gear targetting teleost fishes. We noted hook location in Mudpuppies captured by two hook types: J-hooks and circle hooks. Our prediction was that circle hooks would reduce the frequency of deep hooking of Mudpuppies, which is often cited as an important predictor of post-release mortality in fishes. We found no difference in the frequency of deep hooking of Mudpuppies captured by circle or J-hooks, although, in a subset of Mudpuppies (n = 13) held for 24 h after capture, one death occurred (8%). Further research may be necessary to determine whether deeply hooked Mudpuppies can pass or shed hooks and survive beyond the 24-h period we monitored. However, our findings suggest that anglers and managers should consider refinements to handling practices for Mudpuppies captured as bycatch, because they are likely to survive if handled cautiously. These results, which are among the first describing non-fish bycatch in recreational fisheries, call for managers and anglers who encounter Mudpuppies during recreational fishing to seek more information and educational opportunities to improve the fate of this important component of temperate freshwater ecosystems and ecological indicator speciesthat is incidentally captured by ice fishing.


2019 ◽  
Vol 32 ◽  
pp. 15 ◽  
Author(s):  
Roman Lyach ◽  
Jiri Remr

The Eurasian perch Perca fluviatilis is an important fish species in both commercial and recreational fisheries. However, there is concern that perch populations in Central Europe are decreasing. This study aimed to assess the effects of environmental factors and management on recreational perch catches. Data from individual angling logbooks collected by the Czech Fishing Union on 229 fishing grounds during the period 2005–2016 were used in this study. In total, almost 60 000 perch weighing 17 500 kg were recorded. During the study period, total perch catches decreased by 60%, catch per fishing visit decreased by 70%, average body weight of caught perch increased by 18%, and percentage of fishing grounds with perch catches decreased by 13%. The results indicated that the decreasing catches were due to increasing fishing pressure. Further, fishing grounds with higher fishing visit rates had higher catches in general but lower catch per fishing visit. Larger and more productive rivers also showed higher catches. In contrast, the intensity of fish stocking did not affect catches. In conclusion, perch populations in Central Europe are likely under high fishing pressure, and the pressure is further increasing.


2014 ◽  
Vol 41 (4) ◽  
pp. 350-356 ◽  
Author(s):  
MATTHEW A. L. YOUNG ◽  
SIMON FOALE ◽  
DAVID R. BELLWOOD

SUMMARYOverfishing is a mounting threat to marine ecosystems and food security worldwide. Recreational fisheries are poorly understood and pose governance challenges due to the scarcity of monitoring data. The impact of recreational spearfishing on eastern blue groper (Achoerodus viridis) and grey nurse shark (Carcharias taurus) in Australia was analysed by assessing a chronology of spearfishing publications for historical, ecological and social data. Reported captures of blue groper declined by 90% from 1952–1967. Grey nurse shark captures also declined. Interestingly, early warnings of declines for both species emerged from the spearfishing community 17 and 19 years, respectively, before protection. While recreational fishers may have serious impacts on vulnerable fish species, they could also play a vital role in conservation and advocacy. This highlights the importance of reciprocal communication between fishers, scientists and governments for managing and detecting declines in vulnerable species.


2011 ◽  
Vol 68 (4) ◽  
pp. 632-642 ◽  
Author(s):  
Darren M. Parsons ◽  
Mark A. Morrison ◽  
Jeremy R. McKenzie ◽  
Bruce W. Hartill ◽  
Richard Bian ◽  
...  

Intraspecific variation in movement patterns are well established for many species, but poorly appreciated in fisheries management. In this study we dart-tagged snapper ( Pagrus auratus ), an important fishery species, across different areas and habitats in the Hauraki Gulf, New Zealand. Tag returns were used to quantify movement behaviour and extraction rates using a maximum likelihood model that corrected for spatial variability in population size and fishing effort. Residency was high (~90%) in two strata and lower (75%) in the remaining stratum. The stratum with the highest residency also appeared to experience the highest extraction rate (likely due to a lower population size). These results confirm the existence of differences in movement behaviour within the snapper population, suggesting that localized areas may become depleted regardless of the status of the overall stock. This has consequences for the scale of fisheries management and the size of marine reserves implemented in different regions. Understanding why variation in movement behaviour exists (i.e., genetic vs. environmental) is the next step in addressing the influence of animal behaviour on fisheries management.


Sign in / Sign up

Export Citation Format

Share Document