Venting and Reef Fish Survival: Perceptions and Participation Rates among Recreational Anglers in the Northern Gulf of Mexico

Scyphers, Steven B.; Fodrie, F.J.; Hernandez, Frank J.; Powers, Sean P.; Shipp, Robert L.

doi:10.1080/02755947.2013.824932

Cited by 22 publications

(35 citation statements)

References 21 publications

(26 reference statements)

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“…Similarly, recreational and tournament anglers in the northern Gulf of Mexico that were surveyed before removal of the venting tool requirement agreed that venting tools increase fish survival (Scyphers et al. ). Notably, this perception of positive impacts does not translate directly into the use of barotrauma mitigation.…”

Section: Discussionmentioning

confidence: 97%

“…Although fishers in the survey were confident in their ability to use venting tools, previous research indicates that many fishers use improper venting techniques (Scyphers et al. ; Hazell et al. ) and that knowledge of proper venting methods is not linked to fishing experience (Scyphers et al.…”

Section: Discussionmentioning

confidence: 98%

“…) and that knowledge of proper venting methods is not linked to fishing experience (Scyphers et al. ). Therefore, outreach efforts focused on technique are still important; though they may not increase the frequency of use, ensuring that fishers are using venting tools properly will improve the efficacy of barotrauma mitigation, especially given the finding that the majority of fishers use venting tools over fish descending gear.…”

Section: Discussionmentioning

confidence: 99%

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Understanding Resource‐Conserving Behaviors Among Fishers: Barotrauma Mitigation and the Power of Subjective Norms in Florida's Reef Fisheries

Crandall

Garlock

Lorenzen

2018

N American J Fish Manag

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Understanding the factors underlying fishers’ decisions to adopt resource‐conserving behaviors is important to successful fisheries management. This study used an online survey to explore factors motivating decisions to use alternative barotrauma mitigation measures (venting and descending) to improve discarded reef fish survival across recreational, charter, and commercial fishers in the state of Florida. A majority of respondents (66–69%) had experienced fish showing gross signs of barotrauma, and more than half of those (52–69%) reported using barotrauma mitigation most of the time when needed. Use of mitigation by other fishers was perceived to be lower (30–57%) and to have declined after removal of a venting tool requirement. Overall, respondents were more likely to have used venting tools (96–99%) than fish descenders (14–27%), and most respondents (81–86%) intended to use venting tools in the future. The theory of planned behavior was used to predict and explain intentions to use venting tools and/or fish descenders based on three variables: attitudes toward the method, subjective norms (i.e., social pressure), and perceived control (i.e., confidence in their ability to use the method). Fishers across sectors perceived venting tools and descenders to be similarly effective in improving released fish survival, but they felt that descenders were more time consuming, difficult to use, and expensive. Subjective norms and perceived control were stronger for venting tools than for descenders. Overall, subjective norms had the strongest influence on fishers’ intention to use either form of mitigation; attitudes and perceived control were also important in the case of descenders. Outreach efforts focusing on re‐enforcing subjective norms should have the greatest impact on increasing fishers’ use of barotrauma mitigation methods. Comparatively greater efforts are required to increase the use of descending gear than to increase the use of venting, and care should be taken to avoid strategies that could result in an overall decline of barotrauma mitigation.

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Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 99%

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Understanding Resource‐Conserving Behaviors Among Fishers: Barotrauma Mitigation and the Power of Subjective Norms in Florida's Reef Fisheries

Crandall

Garlock

Lorenzen

2018

N American J Fish Manag

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“…One management strategy enacted by the GMFMC to increase survival in reef fish was a requirement to vent the swim bladder prior to release (GMFMC 2007). More recently, there has been some skepticism over the efficacy of venting in reducing discard mortality (Wilde 2009;Scyphers et al 2013;Campbell et al 2014), and studies specific to Red Snapper have shown positive (Gitschlag and Renaud 1994), neutral Wilson 1994, 1996), and negative (Burns et al 2002) effects of venting on survival. An alternative to venting, and potentially a more effective release method, is rapid recompression using descender devices.…”

mentioning

confidence: 99%

Quantifying Delayed Mortality from Barotrauma Impairment in Discarded Red Snapper Using Acoustic Telemetry

et al. 2015

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Red Snapper Lutjanus campechanus is the most economically important reef fish in the Gulf of Mexico, and despite being intensively managed, the stock remains overfished. These fish are susceptible to pressure‐related injuries (i.e., barotrauma) during fishing that compromise survival after catch and release. Barotrauma‐afflicted fish may not only experience immediate mortality but also delayed mortality after returning to depth. This variability and unknown fate leads to uncertainty in stock assessment models and rebuilding plans. To generate better estimates of immediate and delayed mortality and postrelease behavior, Red Snapper were tagged with ultrasonic acoustic transmitters fitted with acceleration and depth sensors. Unique behavior profiles were generated for each fish using these sensor data that allowed the classification of survival and delayed mortality events. Using this information, we compared the survival of Red Snapper released using venting, nonventing, and descending treatments over three seasons and two depths. Red Snapper survival was highest at cooler temperatures and shallower depths. Fish released using venting and descender tools had similar survival, and both these groups of fish had higher survival than nonvented surface‐released fish. Overall, Red Snapper had 72% survival, 15% immediate mortality, and 13% delayed mortality, and all fish suffering from delayed mortality perished within a 72‐h period after release. Results from these field studies enhance the understanding of the delayed mortality and postrelease fate of Red Snapper regulatory discards. Moreover, these data support the practice of using venting or descender devices to increase the survival of discarded Red Snapper in the recreational fishery and show that acoustic telemetry can be a valuable tool in estimating delayed mortality. Received March 6, 2015; accepted July 15, 2015

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“…A central objective of our study was to understand the underlying drivers of support for management and stewardship initiatives, which can be influenced by numerous socioeconomic, cultural, and political factors and experiences (e.g., Cinner 2005, McClanahan et al 2005, Gelcich et al 2008, Scyphers et al 2013. The most common and recently proposed initiatives for oysters have included reducing fishing pressure, increasing habitat availability, developing spawning sanctuaries and MPAs, increasing educational outreach, and improving management of freshwater and pollution inflows.…”

Section: Discussionmentioning

confidence: 99%

Integrating societal perspectives and values for improved stewardship of a coastal ecosystem engineer

Scyphers¹,

Picou²,

Brumbaugh³

et al. 2014

E&S

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ABSTRACT. Oyster reefs provide coastal societies with a vast array of ecosystem services, but are also destructively harvested as an economically and culturally important fishery resource, exemplifying a complex social-ecological system (SES). Historically, societal demand for oysters has led to destructive and unsustainable levels of harvest, which coupled with multiple other stressors has placed oyster reefs among the most globally imperiled coastal habitats. However, more recent studies have demonstrated that large-scale restoration is possible and that healthy oyster populations can be sustained with effective governance and stewardship. However, both of these require significant societal support or financial investment. In our study, we explored relationships among how coastal societies (1) perceive and value oyster ecosystem services, (2) recognize and define problems associated with oyster decline, and (3) perceive or support stewardship initiatives. We specifically focused on the SES of eastern oysters (Crassostrea virginica) and coastal societies in the northern Gulf of Mexico, a region identified as offering among the last and best opportunities to sustainably balance conservation objectives with a wild fishery. We found that, in addition to harvest-related benefits, oysters were highly valued for providing habitat, mitigating shoreline erosion, and improving water quality or clarity. Our results also showed that although most respondents recognized that oyster populations have declined, many respondents characterized the problem differently than most scientific literature does. Among a variety of initiatives for enhancing sustainability, spawning sanctuaries and reef restoration were well supported in all states, but support for harvest reductions was less consistent. Our study suggests that public support for maintaining both harvest and ecosystem services exists at societal levels and that enhancing public awareness regarding the extent and causes of oyster decline could garner additional support for stewardship initiatives. Collectively, the societal, economic, and biophysical complexities of the northern Gulf of Mexico oyster SES illustrate the need and public support for developing more comprehensive management schemes for exploited ecosystem engineers.

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Venting and Reef Fish Survival: Perceptions and Participation Rates among Recreational Anglers in the Northern Gulf of Mexico

Cited by 22 publications

References 21 publications

Understanding Resource‐Conserving Behaviors Among Fishers: Barotrauma Mitigation and the Power of Subjective Norms in Florida's Reef Fisheries

Understanding Resource‐Conserving Behaviors Among Fishers: Barotrauma Mitigation and the Power of Subjective Norms in Florida's Reef Fisheries

Quantifying Delayed Mortality from Barotrauma Impairment in Discarded Red Snapper Using Acoustic Telemetry

Integrating societal perspectives and values for improved stewardship of a coastal ecosystem engineer

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