Introduction:F isheries management is often data-limited,and conducted at spatial scales that are too large to address the needs of Indigenous peoples,whose cultures depend upon the local availability of marine resour...Introduction:F isheries management is often data-limited,and conducted at spatial scales that are too large to address the needs of Indigenous peoples,whose cultures depend upon the local availability of marine resources.Outcomes:We combined Indigenous ecological knowledge with simulation modelling to inform modern fishery management.Semi-structured interviews with Indigenous fishers in coastal British Columbia,Canada,uncovered severe declines in the abundance and catches of Dungeness crab(Cancer magister)since the 1990s.We modelled the current probability of"successful"crab harvesting trips-as defined by expectations from past catches by Indigenous fishers-using fishery-independent data from nine sites.These probabilities were very low(<20%)for all sites except one.Discussion:Our study highlights that local depletions,which Indigenous fishers attribute to commercial and recreational fisheries,have been widespread and undetected by federal managers who manage Dungeness crab at regional scales without fishery-independent data.Further,local depletions impacted the ability of Indigenous fishers to access traditional foods.Conclusion:Integrating Indigenous knowledge with scientific research is crucial to inform locally-relevant fisheries management and conservation.展开更多
基金the Gordon and Betty Moore Foundation(grant 1406.03,2016/17)the Aboriginal Aquatic Resource and Oceans Management Program(grant ARM2015-MLT-7006-3,2016/17)the Marine Planning Partnership(via Tides Canada grant CCS P098-06143,2016/17)。
文摘Introduction:F isheries management is often data-limited,and conducted at spatial scales that are too large to address the needs of Indigenous peoples,whose cultures depend upon the local availability of marine resources.Outcomes:We combined Indigenous ecological knowledge with simulation modelling to inform modern fishery management.Semi-structured interviews with Indigenous fishers in coastal British Columbia,Canada,uncovered severe declines in the abundance and catches of Dungeness crab(Cancer magister)since the 1990s.We modelled the current probability of"successful"crab harvesting trips-as defined by expectations from past catches by Indigenous fishers-using fishery-independent data from nine sites.These probabilities were very low(<20%)for all sites except one.Discussion:Our study highlights that local depletions,which Indigenous fishers attribute to commercial and recreational fisheries,have been widespread and undetected by federal managers who manage Dungeness crab at regional scales without fishery-independent data.Further,local depletions impacted the ability of Indigenous fishers to access traditional foods.Conclusion:Integrating Indigenous knowledge with scientific research is crucial to inform locally-relevant fisheries management and conservation.
