Collected Evidence: Collected Evidence: Cease or prohibit all (mobile and static) fishing gears that catch bottom (demersal) species Three studies examined the effects of ceasing or prohibiting mobile and static fishing gears that catch bottom (demersal) species in an area on marine fish populations. One study was in each of the Greenland Sea (Iceland), the North Pacific Ocean (Canada) and the North Atlantic Ocean (USA/Canada). COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (3 STUDIES) Abundance (3 studies): One of three replicated, controlled studies (one paired) in the Greenland Sea, North Pacific Ocean and the North Atlantic Ocean found that an area where fishing gears targeting bottom-dwelling species had been prohibited for 15 years had higher numbers of larger and older cod than openly fished areas. One study found that fish densities in areas closed to mobile and static bottom fish gears (trawls and longlines) for at least 11 years varied between fish species/groups, and also with depth and temperature. The other study found that prohibiting mobile and static bottom fish gears (trawls and hook and line) in protected areas for 2–7 years had no effect on fish densities compared to non-protected areas. Condition (2 studies): One of two replicated, controlled studies (one paired) in the Greenland Sea and the North Atlantic Ocean found that cod had better growth in areas closed for 5-15 years to mobile and static gears that targeted bottom-dwelling fish, compared to openly fished areas. The other study found that fish size varied between areas closed and open to bottom fish gears (trawls and longlines) and was also affected by depth and temperature. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2654https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2654Thu, 12 Nov 2020 14:42:52 +0000Collected Evidence: Collected Evidence: Allow periodic fishing only One study examined the effects of allowing fishing only periodically in an area on marine fish populations. The study was in the Coral Sea (Vanuatu). COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Abundance (1 study): One replicated, paired, site comparison study in the Coral Sea found that protected areas fished only for short periods over an 18 month to six-year period, had greater biomass than openly fished areas and similar fish biomass as areas permanently closed to fishing for six years. BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Catch abundance (1 study): One replicated, paired, site comparison study in the Coral Sea found that protected areas only fished for short periods over an 18 month to six year period, had higher fish catch rates than openly fished areas. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2679https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2679Fri, 27 Nov 2020 16:20:22 +0000Collected Evidence: Collected Evidence: Restrict fishing activity (types unspecified) in a marine protected area Two studies examined the effects of restricting (unspecified) fishing activity in a marine protected area on marine fish populations. One study was global and the other was in the Indian Ocean (Tanzania).  COMMUNITY RESPONSE (1 STUDY) Richness/diversity (1 study): One global review reported that of 11 studies showing effects of protection from restricting fishing activity in marine reserves, one found higher fish species richness inside reserves compared to non-protected fished areas. POPULATION RESPONSE (2 STUDIES) Survival (1 study): One site comparison study in the Indian Ocean found that survival was higher for blackspot snapper inside a marine park with unspecified fishing restrictions and low fishing intensity compared to more intensively fished areas outside. Abundance (1 study): One global review reported that 10 of 11 studies showing effects of protection from restricting fishing activity in marine reserves found higher abundance of fish inside the areas compared to areas without fishing restrictions. Condition (2 studies): One site comparison study in the Indian Ocean found that blackspot snapper inside a marine park with unspecified fishing restrictions and low fishing intensity were of larger average size, reached older ages, but did not have different growth rates compared to more intensively fished areas outside the park. One global review reported that five out of 11 studies showing effects of protection from restricting fishing activity in marine reserves found fish were larger inside reserves compared to non-protected areas without fishing restrictions. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2680https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2680Fri, 27 Nov 2020 16:25:54 +0000Collected Evidence: Collected Evidence: Deploy fishing gear at selected times (day/night) to avoid unwanted species Two studies examined the effect of deploying fishing gear at selected times on marine fish populations. Both studies were in the South Pacific Ocean (Lake Wooloweyah, Australia).  COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (2 STUDIES)   Reduction of unwanted catch (2 studies): One of two replicated, controlled studies in the South Pacific Ocean found that trawling for prawns during the day reduced the overall catch of unwanted fish by number, but not weight, compared to usual night trawling, and the effect differed by species. The other study found that powered handlining in the day avoided catches of Harrison’s dogfish at shallower, but not deeper seamounts, compared to the night.    Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2684https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2684Mon, 30 Nov 2020 16:40:44 +0000Collected Evidence: Collected Evidence: Change the towing speed of a trawl net One study examined the effect of changing the towing speed of a trawl net on catch of marine fish. The study was in the North Sea (Norway).  COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Improved size-selectivity of fishing gear (1 study): One replicated, paired study in the North Sea found that changing the towing speed of a bottom trawl net did not increase the size selectivity of small cod and haddock. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2687https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2687Wed, 02 Dec 2020 10:42:04 +0000Collected Evidence: Collected Evidence: Establish handling and release protocols in non-recreational fisheries Two studies examined the effects of establishing handling and release protocols in non-recreational fisheries on marine fish populations. One study was in the Atlantic Ocean (West Africa) and one was in the South Pacific Ocean (Australia).  COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Survival (1 study): One study in the Atlantic Ocean reported that tracked whale sharks released from purse seines using an enhanced protocol survived for at least 21 days, and post-release movements appeared normal. BEHAVIOUR (2 STUDIES) Behaviour change (2 studies): One study in the Pacific Ocean found that after release protocols (minimal handling and air exposure), reef fish returned more quickly to a reef or the seabed after release, compared to higher stress handling and longer air exposure. One study in the Atlantic Ocean reported that the post-release movements of tracked whale sharks released from purse seines using an enhanced protocol appeared normal. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2692https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2692Wed, 02 Dec 2020 15:51:06 +0000Collected Evidence: Collected Evidence: Set catch limits or quotas for non-targeted commercial catch Two studies examined the effects of setting catch limits or quotas for non-targeted commercial fish species on marine fish populations. One review was in the North Atlantic and Pacific Oceans and one study was in the Pacific Ocean (Canada).  COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (2 STUDIES) Reduction of unwanted catch (2 studies): One review in the Atlantic and Pacific Oceans found that setting catch limits or quotas for non-commercially targeted fish reduced unwanted catch in two of three cases. One before-and-after study in the Pacific Ocean found that catch limits for non-target commercial species reduced the amount of unwanted halibut, but a previous quota system based on the whole catch (individual transferrable quotas) did not. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2693https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2693Wed, 02 Dec 2020 16:15:52 +0000Collected Evidence: Collected Evidence: Use artificial light on fishing gear Two studies examined the effects of using artificial light on fishing gear on marine fish populations. One study was in the Pacific Ocean (USA) and one in the Barents Sea (Norway).  COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (2 STUDIES) Reduction of unwanted catch (1 study): One replicated, paired, controlled study in the Pacific Ocean found that shrimp trawl nets with artificial lights caught fewer unwanted fish when they were fitted to the fishing line, but not to a size-sorting grid, compared to a conventional trawl. Improved size-selectivity of fishing gear (1 study): One replicated, controlled study in the Barents Sea found that size-selectivity of long rough dab, Atlantic cod, haddock and redfish was not improved by the presence of LED lights on a size-sorting grid. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2695https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2695Wed, 02 Dec 2020 17:04:07 +0000Collected Evidence: Collected Evidence: Change the size of the main body of a trawl net One study examined the effects of changing the size of the main body of a trawl net to reduce unwanted catch on marine fish populations. The study was in the North Sea (Norway). COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Improved size-selectivity of fishing gear (1 study): One replicated study in the North Sea found that reducing the size of the main body of a trawl net did not improve the size-selection of cod and haddock. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2705https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2705Thu, 17 Dec 2020 12:05:11 +0000Collected Evidence: Collected Evidence: Modify a bottom trawl to raise parts of the gear off the seabed during fishing Two studies examined the effects of modifying a bottom trawl to raise parts of the gear off the seabed during fishing on marine fish populations. One study was in the Gulf of Carpentaria (Australia) and one was in the Atlantic Ocean (USA).  COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (2 STUDIES) Reduction of unwanted catch (2 studies): Two replicated studies (one randomized and both controlled) in the Gulf of Carpentaria and the Atlantic Ocean found that bottom trawls with parts of the gear raised off the seabed caught fewer unwanted sharks, other elasmobranchs and fish and fewer of three of seven unwanted fish species compared to conventional trawls. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2708https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2708Mon, 28 Dec 2020 15:51:05 +0000Collected Evidence: Collected Evidence: Modify design or arrangement of tickler chains/chain mats in a bottom trawl Two studies examined the effects of modifying the design or arrangement of tickler chains in a bottom trawl on marine fish populations. One was in the North Sea (Netherlands/UK) and one was in the Atlantic Ocean (Scotland).  COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (2 STUDIES) Reduction of unwanted catch (2 studies): One of two replicated, paired, controlled studies in the North Sea and Atlantic Ocean found that removing the tickler chain from a trawl reduced catches of non-commercial target skates/rays and sharks, and individuals were larger, compared to trawling with the chain. The study also found that catches of commercial target species were typically unaffected. The other study found that two modified tickler chain arrangements did not reduce discarded fish catch compared to a standard arrangement. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2709https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2709Mon, 28 Dec 2020 15:58:06 +0000Collected Evidence: Collected Evidence: Use a separator trawl Two studies examined the effect of using a separator trawl on marine fish populations. One study was in the North Sea (UK) and the other in the Atlantic Ocean (Portugal).  COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (2 STUDIES) Reduction of unwanted catch (2 studies): One replicated, randomized study in the North Sea found that a separator trawl separated unwanted cod from target fish species into the lower codend, where a larger mesh size allowed more unwanted smaller cod to escape capture. One replicated study in the Atlantic Ocean found that a separator trawl fitted with a square-mesh escape panel caught less of one of two unwanted fish species in a crustacean fishery. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2711https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2711Tue, 29 Dec 2020 16:27:31 +0000Collected Evidence: Collected Evidence: Use netting of contrasting colour in a trawl net One study examined the effect of using netting of contrasting colour in a trawl net on marine fish populations. The study was in the Baltic Sea (Denmark).  COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Reduction of unwanted catch (1 study): One replicated, paired, controlled study in the Baltic Sea found that a trawl codend with contrasting black netting used in conjunction with a square mesh escape panel caught a similar amount of undersized cod as a conventional codend. Improved size-selectivity of fishing gear (1 study): One replicated, paired, controlled study in the Baltic Sea found that two designs of contrasting netting colour in trawl codends with square mesh escape windows did not improve the size-selectivity of cod compared to conventional codend netting colour. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2718https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2718Tue, 05 Jan 2021 15:46:48 +0000Collected Evidence: Collected Evidence: Fit rigid (as opposed to mesh) escape panels/windows to a trawl net One study examined the effects of fitting rigid escape windows/panels to trawls for fish escape on marine fish populations. The study was in the Baltic Sea.  COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Reduction of unwanted catch (1 study): One replicated, paired, controlled study in the Baltic Sea found that fitting rigid escape windows in a section of trawl net reduced the catch of unwanted flatfish compared to a trawl net without escape windows. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2719https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2719Tue, 05 Jan 2021 15:50:35 +0000Collected Evidence: Collected Evidence: Fit mesh escape panels/windows to a trawl net and use square mesh instead of diamond mesh codend One study examined the effects of fitting mesh escape panels to a trawl net and using a square mesh instead of a diamond mesh codend on marine fish populations. The study was in the English Channel (UK).  COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Reduction of unwanted catch (1 study): One replicated, paired, controlled study in the English Channel found that using a trawl net with square mesh escape panels and a square mesh codend reduced the numbers of discarded finfish compared to a diamond mesh codend with no panels. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2724https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2724Thu, 21 Jan 2021 16:56:46 +0000Collected Evidence: Collected Evidence: Use an alternative method to commercially harvest plankton One study examined the effect of using an alternative method to commercially harvest plankton on marine fish populations. The study was in the Norwegian Sea (Norway).  COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Reduction of unwanted catch (1 study): One controlled study in the Norwegian Sea found that the amount of unwanted fish larvae and eggs in fine-mesh catches of zooplankton were reduced after deployment of a bubble-plume harvester, compared to without deployment. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2731https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F2731Thu, 28 Jan 2021 11:41:59 +0000Collected Evidence: Collected Evidence: Limit the number of fishing days One study examined the effects of limiting the number of fishing days on marine fish populations. The study was in the Mediterranean Sea (Italy). COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Abundance (1 study): One before-and-after study in the Mediterranean Sea reported that in the 10 years following a decrease in overall number of days fished by a bottom trawl fleet, there was a higher biomass of thornback and brown rays. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3804https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3804Thu, 26 May 2022 14:24:22 +0100Collected Evidence: Collected Evidence: Limit fishing activity by vessel size and/or engine power One study examined the effects of limiting fishing activity by vessel size and/or engine power on marine fish populations. The study was in the North Sea (Northern Europe).   COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Abundance (1 study): One before-and-after study in the North Sea found that after vessels with a higher engine power were excluded from an area for half of each year there was a higher abundance of commercially targeted fish, but no difference in the overall abundance of non-commercially targeted fish over five years. In addition, for all fish, abundance was higher for two of eight size-groups. BEHAVIOUR (0 STUDIES)Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3809https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3809Thu, 26 May 2022 14:53:03 +0100Collected Evidence: Collected Evidence: Prohibit certain gear types Two studies examined the effects of prohibiting certain gear types on marine fish populations. One study was in the Indian Ocean (Kenya) and one was in the Kattegat (Sweden/Denmark).   COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (1 STUDY) Abundance (1 study): One replicated, site comparison study in the Indian Ocean found that in an area where all but one gear type was prohibited there was a higher fish density compared to areas where just one gear type was prohibited and to unrestricted areas. BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Reduction of unwanted catch (1 study): One replicated, before-and-after study in the Kattegat found that a combination of areas in which non-selective gear types were prohibited and long-term fishery closures reduced unwanted catch of cod compared to before. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3810https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3810Thu, 26 May 2022 14:57:28 +0100Collected Evidence: Collected Evidence: Introduce catch shares Two studies examined the effects of introducing catch shares on marine fish populations. Both were reviews of fisheries worldwide.   COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (2 STUDIES) Abundance (2 studies): One of two worldwide systematic reviews found that fisheries or stocks managed under catch shares were more likely to meet management target levels for biomass sustainability than those that did not meet targets. The other study found there was no difference in performance of biomass-based management targets between fisheries under catch shares, fleet-wide catch caps or fishing effort controls. BEHAVIOUR (0 STUDIES) OTHER (2 studies) Stock status (2 studies): Two worldwide systematic reviews found that catch share fisheries had lower rates of over-exploitation compared to non-catch share fisheries, and a higher proportion of fisheries managed under catch shares either met or exceeded management target levels for rates of exploitation than those that did not meet targets. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3812https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3812Fri, 27 May 2022 08:20:03 +0100Collected Evidence: Collected Evidence: Set catch shares by species One study examined the effects of setting catch shares by species on marine fish populations. The study was in the Pacific Ocean (Canada).   COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Reduction of unwanted catch (1 study): One before-and-after study in the Pacific Ocean found that after a species-specific catch share was set (Individual Vessel Bycatch Quota) unwanted halibut catch in a multi-species fishery was reduced, whereas it was higher under a previous catch share system (Individual Transferable Quota) based on all species in the catch. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3814https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3814Fri, 27 May 2022 08:31:55 +0100Collected Evidence: Collected Evidence: Establish move-on rules for temporary, targeted fishing restrictions or closures when a catch or unwanted catch threshold is reached Two studies examined the effects of establishing move-on rules for temporary, targeted fishing restrictions or closures when a catch or unwanted catch threshold is reached on marine fish populations. One study was in the North Atlantic Ocean and North Sea (Scotland) and one was in the North Atlantic Ocean (Scotland).   COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (2 STUDIES) Reduction of unwanted catch (1 study): One replicated, controlled, before-and-after study in in the North Atlantic Ocean/North Sea found that after move-on rules were established when a catch threshold limit triggered temporary fishing closures there were lower overall cod discards. Reduction of fishing effort (2 studies): Two before-and-after studies (one replicated and controlled) in the North Atlantic Ocean and North Sea found that after move-on rules were established for vessels when a catch threshold limit was reached fishing effort for cod and blue ling was reduced. Commercial catch abundance (2 studies): Two before-and-after studies (one replicated and controlled) in the North Atlantic Ocean and North Sea found that after move-on rules were established for vessels when a catch threshold limit was reached commercial landings of cod and blue ling were reduced. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3815https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3815Fri, 27 May 2022 08:36:34 +0100Collected Evidence: Collected Evidence: Prohibit high grading in which only the most profitable individuals or species are landed One study examined the effects of prohibiting high grading in which only the most profitable individuals or species are landed on marine fish populations. The study was in the North Sea/North Atlantic Ocean (UK).   COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Commercial catch abundance/landings (1 study): One replicated, before-and-after study in the North Sea/North Atlantic Ocean reported that a ban on high grading did not eliminate the discarding of legal-sized but unwanted common megrim Lepidorhombus whiffiagonis that were required to be landed. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3823https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3823Fri, 27 May 2022 08:55:44 +0100Collected Evidence: Collected Evidence: Implement multi-year or long-term management strategies One study examined the effects of implementing multi-year or long-term management strategies on marine fish populations. The study was worldwide.   COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Stock status (1 study): One worldwide study found that commercial fisheries with multi-year or long-term management plans in place, among other management and governance strategies, had stocks that were more likely to be sustainable and less likely to be in decline compared to fisheries typically without long-term objectives. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3825https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3825Fri, 27 May 2022 09:04:24 +0100Collected Evidence: Collected Evidence: Use technology to communicate near real-time catch information to fishers to enable avoidance of unwanted catchicate near real-time catch information to fishers to enable avoidance of unwanted catch One study examined the effects of using technology to communicate near real-time catch information to fishers to enable avoidance of unwanted catch on marine fish populations. The study was in the North Pacific and North Atlantic Oceans.   COMMUNITY RESPONSE (0 STUDIES) POPULATION RESPONSE (0 STUDIES) BEHAVIOUR (0 STUDIES) OTHER (1 STUDY) Reduction of unwanted catch (1 study): A review in the North Pacific and North Atlantic Oceans reported that where technology was used to provide near real-time catch information to fishers there were reductions of unwanted catch or discards in two of three cases. Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3826https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F3826Fri, 27 May 2022 09:38:00 +0100
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What Works in Conservation

What Works in Conservation provides expert assessments of the effectiveness of actions, based on summarised evidence, in synopses. Subjects covered so far include amphibians, birds, mammals, forests, peatland and control of freshwater invasive species. More are in progress.

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