The Atlantic tripletail(Lobotes surinamensis)is a high revenue-generating fish species predominantly caught by mechanized artisanal fishers community and the most available member of its family in Bangladesh.This is a...The Atlantic tripletail(Lobotes surinamensis)is a high revenue-generating fish species predominantly caught by mechanized artisanal fishers community and the most available member of its family in Bangladesh.This is a ground work of fish stock assessment study in the Bay of Bengal region to explore the life history parameters and associated biomass of this species,using three length-based approaches of TropFishR,the length-based Bayesian biomass estimation(LBB),and Froese’s length based indicators(LBIs).An almost homogenous body growth pattern(b=3.07;R^(2)=0.98)was observed in the length-weight relationship of tripletail.The life history parameters for tripletail,as determined by the von Bertalanffy Growth Function(VBGF)model,were L_(∞)=113.36 cm and k=0.51/a.The length converted catch curve(LCCC)yielded an estimation of the total mortality(Z=1.77/a),with the natural mortality estimated at(M=0.53/a)and the fishing mortality estimated at(F=1.24/a).But,the ratio of mortality(F/M=0.15)by LBB captured the non-fully exploited status of biomass(B/B_(MSY)=2.1).LBI analysis indicated that the tripletail fishery’s spawning stock biomass is greater than the target and limit reference points,indicating a healthy state of biomass.展开更多
This paper highlights the urgent need to accelerate research and action on ocean carbon sinks through human intervention,known as the Global Ocean Negative Carbon Emissions(Global-ONCE)Programme,as a vital strategy in...This paper highlights the urgent need to accelerate research and action on ocean carbon sinks through human intervention,known as the Global Ocean Negative Carbon Emissions(Global-ONCE)Programme,as a vital strategy in global efforts to mitigate climate change.Achieving“net zero”by 2050 cannot rely on emission reductions alone,emphasizing the necessity of complementary approaches.Global-ONCE’s mission extends beyond scientific exploration.It embodies a profound commitment to protecting and restoring blue carbon ecosystems,as well as implementing ocean-based solutions that are sustainable,equitable,and inclusive.Early career ocean professionals(ECOPs)are at the heart of these efforts,and their innovative approaches,technical expertise,and passion make them indispensable leaders in advancing ONCE initiatives.ECOPs bridge the gap between science and society,playing a relevant role in integrating cutting-edge research,technological advancements,and community-driven action to address climate threats.By bringing together diverse perspectives and leveraging their interdisciplinary expertise,ECOPs ensure that ONCE strategies are grounded in scientific rigor and practical feasibility.Through advocacy,education,and collaboration,ECOPs not only spearhead research and innovation but also inspire collective action to safeguard our oceans.This paper amplifies the critical role of ECOPs as agents of change and calls for a unified global commitment to harness the ocean’s potential for a climate-resilient future.展开更多
基金Supported by the special research fund of Ocean University of China(No.201562030)。
文摘The Atlantic tripletail(Lobotes surinamensis)is a high revenue-generating fish species predominantly caught by mechanized artisanal fishers community and the most available member of its family in Bangladesh.This is a ground work of fish stock assessment study in the Bay of Bengal region to explore the life history parameters and associated biomass of this species,using three length-based approaches of TropFishR,the length-based Bayesian biomass estimation(LBB),and Froese’s length based indicators(LBIs).An almost homogenous body growth pattern(b=3.07;R^(2)=0.98)was observed in the length-weight relationship of tripletail.The life history parameters for tripletail,as determined by the von Bertalanffy Growth Function(VBGF)model,were L_(∞)=113.36 cm and k=0.51/a.The length converted catch curve(LCCC)yielded an estimation of the total mortality(Z=1.77/a),with the natural mortality estimated at(M=0.53/a)and the fishing mortality estimated at(F=1.24/a).But,the ratio of mortality(F/M=0.15)by LBB captured the non-fully exploited status of biomass(B/B_(MSY)=2.1).LBI analysis indicated that the tripletail fishery’s spawning stock biomass is greater than the target and limit reference points,indicating a healthy state of biomass.
基金supported by the Ocean Negative Carbon Emissions(ONCE)Program,the Guangdong Provincial Education Science Planning Leading Group Office(2023GXJK107)the Guangdong Planning Office of Philosophy and Social Science(GD23XGL032)+3 种基金the Program for Scientific Research Start-up Funds of Guangdong Ocean University(060302092302)the Education and Teaching Reform Project of Guangdong Ocean University(PX-982024013)the Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai)(SML2020SP002)C.Lindemann received funding from the Horizon Europe Framework project C-BLUES(project no.101137844).
文摘This paper highlights the urgent need to accelerate research and action on ocean carbon sinks through human intervention,known as the Global Ocean Negative Carbon Emissions(Global-ONCE)Programme,as a vital strategy in global efforts to mitigate climate change.Achieving“net zero”by 2050 cannot rely on emission reductions alone,emphasizing the necessity of complementary approaches.Global-ONCE’s mission extends beyond scientific exploration.It embodies a profound commitment to protecting and restoring blue carbon ecosystems,as well as implementing ocean-based solutions that are sustainable,equitable,and inclusive.Early career ocean professionals(ECOPs)are at the heart of these efforts,and their innovative approaches,technical expertise,and passion make them indispensable leaders in advancing ONCE initiatives.ECOPs bridge the gap between science and society,playing a relevant role in integrating cutting-edge research,technological advancements,and community-driven action to address climate threats.By bringing together diverse perspectives and leveraging their interdisciplinary expertise,ECOPs ensure that ONCE strategies are grounded in scientific rigor and practical feasibility.Through advocacy,education,and collaboration,ECOPs not only spearhead research and innovation but also inspire collective action to safeguard our oceans.This paper amplifies the critical role of ECOPs as agents of change and calls for a unified global commitment to harness the ocean’s potential for a climate-resilient future.
