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1. Evolution of management in the Celtic Sea fishery: Economic effects on the Galician fleet

Author:
Varela-Lafuente, Manuel M.; Garza-Gil, Mª Dolores; Surís-Regueiro, Juan C.
Source:
Ocean & coastal management 2019 v.167 pp. 229-235
ISSN:
0964-5691
Subject:
fisheries; fisheries law; fisheries management,   etc   ; European Union; coastal zone management; economic impact; stakeholders;     Show all 7 Subjects
Abstract:
... Characteristics and evolution of the Galician fishing fleet operating in the Celtic Sea are reviewed in a context of Spanish regulation and successive reforms of the European Common Fisheries Policy. This paper analyses the most significant aspects of fishing management that have affected this fleet's activity while linking the institutional framework to strategies and results of Galician fishing ...
DOI:
10.1016/j.ocecoaman.2018.10.021

2. Comments on incongruous formulations in the SAM (state-space assessment model) model and consequences for fish stock assessment

Author:
Aldrin, M.; Aanes, S.; Subbey, S.
Source:
Fisheries research 2019 v.210 pp. 224-227
ISSN:
0165-7836
Subject:
fisheries,   etc   ; equations; fish; models; mortality; uncertainty;     Show all 6 Subjects
Abstract:
... The stock assessment model SAM (state-space assessment model) is an important tool for analysing fishery data and is used for abundance estimation of several different fish stocks. We demonstrate incongruous formulations in the equations that relate the catch data to fish abundance, and in the fishery and natural mortality rates. We present example results to show how these formulations introduce ...
DOI:
10.1016/j.fishres.2018.08.001

3. Analytical and numerical investigation of optimal harvest with a continuously age-structured model

Author:
Golubtsov, Peter; Steinshamn, Stein Ivar
Source:
Ecological modelling 2019 v.392 pp. 67-81
ISSN:
0304-3800
Subject:
fisheries,   etc   ; bioeconomic models; equations; harvesting; simulation models;     Show all 5 Subjects
Abstract:
... An age-structured bioeconomic model, which is completely continuous in age and time, is developed in order to compare with traditional discrete models. Both types have advantages and disadvantages. The continuous framework complements discrete models as it allows for deeper and more transparent analytical study and leads to analytical results that would be difficult to achieve within a discrete fr ...
DOI:
10.1016/j.ecolmodel.2018.11.010

4. An end-to-end model to evaluate the sensitivity of ecosystem indicators to track fishing impacts

Author:
Halouani, Ghassen; Le Loc'h, François; Shin, Yunne-Jai; Velez, Laure; Hattab, Tarek; Romdhane, Mohamed Salah; Ben Rais Lasram, Frida
Source:
Ecological indicators 2019 v.98 pp. 121-130
ISSN:
1470-160X
Subject:
fisheries; fisheries management,   etc   ; aquatic food webs; environmental indicators; fish; marine ecosystems; models; multipliers; trophic levels; Tunisia;     Show all 10 Subjects
Abstract:
... In order to assist fisheries managers, ecological indicators are needed to evaluate the effects of fishing activities on marine ecosystems and to improve communication of these effects in both public and scientific contexts. Finding appropriate indicators is challenging given the complexity of marine food webs as well as the ecosystem response to fishing pressure. In this study, an end-to-end mode ...
DOI:
10.1016/j.ecolind.2018.10.061

5. Contemporary changes in structural dynamics and socioeconomic drivers of inland fishery in China

Author:
Zhao, Kangshun; García Molinos, Jorge; Zhang, Huan; Zhang, Min; Xu, Jun
Source:
The Science of the total environment 2019 v.648 pp. 1527-1535
ISSN:
0048-9697
Subject:
fishery resources; freshwater fisheries,   etc   ; fish; linear models; socioeconomic development; trophic levels; China;     Show all 7 Subjects
Abstract:
... Dynamics of inland fishery remain poorly understood despite their increasing socioeconomic importance and rapid growth. Here we analyze the changes in the dynamics of Chinese traditional and new inland fisheries by examining 26 years (1991–2016) of reported annual catch and mean trophic level in relation to socioeconomic development in China at provincial level. Results from spatial panel linear m ...
DOI:
10.1016/j.scitotenv.2018.08.196

6. The legal impact of the common fisheries policy on the Galician fisheries sector

Author:
Sobrino Heredia, José Manuel; Oanta, Gabriela A.
Source:
Ocean & coastal management 2019 v.167 pp. 87-99
ISSN:
0964-5691
Subject:
fisheries; fisheries law,   etc   ; European Union; coastal zone management; Spain; United Kingdom;     Show all 6 Subjects
Abstract:
... Spain's accession to the European Union on 1 January 1986 meant the incorporation into its domestic law of the Union's acquis and, therefore, of the rules related to the Common Fisheries Policy. This was preceded by tough accession negotiations and the inclusion of a long transitional period with regard to fisheries that particularly affected the Galician fisheries sector, which has had to adapt t ...
DOI:
10.1016/j.ocecoaman.2018.10.011

7. A comparison of age- and size-structured assessment models applied to a stock of cisco in Thunder Bay, Ontario

Author:
Fisch, Nicholas C.; Bence, James R.; Myers, Jared T.; Berglund, Eric K.; Yule, Daniel L.
Source:
Fisheries research 2019 v.209 pp. 86-100
ISSN:
0165-7836
Subject:
fisheries; fisheries management,   etc   ; Coregonus artedi; fish; invertebrates; models; mortality; otoliths; population dynamics; spawning; uncertainty; Ontario;     Show all 12 Subjects
Abstract:
... Stock assessments are critical to modern fisheries management, supporting the calculation of key reference variables used to make informed management decisions. However, there is still considerable uncertainty as to which class of assessment models is appropriate to use under different circumstances. A common class of models used when age data are available are statistical catch-at-age assessment ...
DOI:
10.1016/j.fishres.2018.09.014

8. Mapping the geographical consolidation of fishing activities in Iceland during the maturation of the ITQ fisheries management system

Author:
Edvardsson, Kristinn Nikulás; Păstrăv, Cezara; Benediktsson, Karl
Source:
Applied geography 2018 v.97 pp. 85-97
ISSN:
0143-6228
Subject:
fisheries; fisheries law; fisheries management,   etc   ; geography; issues and policy; Iceland;     Show all 6 Subjects
Abstract:
... Consolidation of the fishing industry worldwide is an issue heavily debated among scholars. Many economists have argued for its necessity, while others – such as sociologists, anthropologists and geographers – have pointed out negative effects of consolidation on fishing communities.The aim of this paper is to measure the geographical consolidation of fishing in Iceland since the introduction of t ...
DOI:
10.1016/j.apgeog.2018.05.013

9. An indicator‐based decision framework for the northern California red abalone fishery

Author:
Harford, William J.; Dowling, Natalie A.; Prince, Jeremy D.; Hurd, Frank; Bellquist, Lyall; Likins, Jack; Wilson, Jono R.
Source:
Ecosphere 2019 v.10 no.1 pp. e02533
ISSN:
2150-8925
Subject:
fisheries; fisheries law; fisheries management,   etc   ; Haliotis rufescens; abalone; biomass; coasts; data collection; decision making; decision support systems; environmental factors; nongovernmental organizations; sport fishing; stakeholders; stocking rate; surveys; California;     Show all 17 Subjects
Abstract:
... Among abalone species that were once harvested along the California coastline, red abalone (Haliotis rufescens) supports the remaining recreational fishery. To support development of a red abalone fishery management plan, non‐governmental organizations have initiated expanded data collection and developed fishery management strategies. The latter is the subject of this study, as we present a manag ...
DOI:
10.1002/ecs2.2533

10. Seagrass meadows support global fisheries production

Author:
Unsworth, Richard K.F.; Nordlund, Lina Mtwana; Cullen‐Unsworth, Leanne C.
Source:
Conservation letters 2019 v.12 no.1 pp. e12566
ISSN:
1755-263X
Subject:
fisheries; fisheries management; fisheries statistics,   etc   ; Gadus chalcogrammus; food security; habitat conservation; habitats; humans; issues and policy; littoral zone; livelihood; seagrasses; social welfare;     Show all 13 Subjects
Abstract:
... The significant role seagrass meadows play in supporting fisheries productivity and food security across the globe is not adequately reflected in the decisions made by authorities with statutory responsibility for their management. We provide a unique global analysis of three data sources to present the case for why seagrass meadows need targeted policy to recognize and protect their role in suppo ...
DOI:
10.1111/conl.12566

11. A constraint-based framework to study competition and cooperation in fishing

Author:
Mullon, Christian; Mullon, Charles
Source:
Fisheries research 2018 v.203 pp. 74-83
ISSN:
0165-7836
Subject:
fisheries,   etc   ; governance; oceans;     Show all 3 Subjects
Abstract:
... In this paper, we present a simple framework to study competition, cooperation and bargaining options among fisheries when they operate under financial and technological constraints. Competition within constraints leads to a particular type of mathematical game in which the strategy choice by one player changes the strategy set of the other. By studying the equilibria and bargaining space of this ...
DOI:
10.1016/j.fishres.2017.08.004

12. Shared stocks, game theory and the zonal attachment principle

Author:
Hannesson, Rögnvaldur
Source:
Fisheries research 2018 v.203 pp. 6-11
ISSN:
0165-7836
Subject:
fisheries,   etc   ; game theory; mackerel;     Show all 3 Subjects
Abstract:
... The outcomes of a Nash-Cournot game and a game of cooperation supported by a threat strategy are compared. The discussion is related to the ongoing conflict over the mackerel stock in the Northeast Atlantic. Despite the absence of a comprehensive management agreement, the outcome of the mackerel fishery is nowhere near what is predicted by the Nash-Cournot equilibrium. To the contrary, the countri ...
DOI:
10.1016/j.fishres.2017.07.026

13. Windows of Opportunity for Sustainable Fisheries Management: The Case of Eastern Baltic Cod

Author:
Quaas, MartinF.; Stoeven, MaxT.; Klauer, Bernd; Petersen, Thomas; Schiller, Johannes
Source:
Environmental and resource economics 2018 v.70 no.2 pp. 323-341
ISSN:
0924-6460
Subject:
sustainable fisheries,   etc   ; fishermen; overfishing;     Show all 3 Subjects
Abstract:
... We study under which conditions a ‘window of opportunity’ for a change from an overfishing situation, with high fishing effort, but low stocks and catches, towards sustainable fishery management arises. Studying the Eastern Baltic cod fishery we show that at very low stock sizes (as they prevailed in the early 2000s) all interest groups involved in the fishery unanimously prefer maximum-sustainabl ...
DOI:
10.1007/s10640-017-0122-y

14. Catch-and-release regulations and paddlefish angler preferences

Author:
Cha, Wonkyu; Melstrom, Richard T.
Source:
Journal of environmental management 2018 v.214 pp. 1-8
ISSN:
0301-4797
Subject:
fisheries,   etc   ; harvesting; models; Oklahoma;     Show all 4 Subjects
Abstract:
... This paper presents research on recreational paddlefish anglers’ preferences for catch-and-release fishing. We used stated preference (SP) data from a choice experiment to identify the effect of a hypothetical catch-and-release regulation on fishing preferences, and revealed preference (RP) data to measure the desirability of actual paddlefish fishing locations. We then modeled the effects of catc ...
DOI:
10.1016/j.jenvman.2018.02.054

15. Impacts of the nonlinear relationship between abundance and its index in a tuned virtual population analysis

Author:
Hashimoto, Midori; Okamura, Hiroshi; Ichinokawa, Momoko; Hiramatsu, Kazuhiko; Yamakawa, Takashi
Source:
Fisheries science 2018 v.84 no.2 pp. 335-347
ISSN:
0919-9268
Subject:
fisheries,   etc   ; fish; models; mortality;     Show all 4 Subjects
Abstract:
... The abundance index used in a tuned virtual population analysis (VPA) is usually assumed to be proportional to actual abundance. However, the actual abundance and abundance index do not always have a linear relationship. Such nonlinearity can cause biases in abundance estimates as well as retrospective biases arising from systematic differences in abundance estimates when more data are successivel ...
DOI:
10.1007/s12562-017-1159-0

16. Designing spawning closures can be complicated: Experience from cod in the Baltic Sea

Author:
Eero, Margit; Hinrichsen, Hans-Harald; Hjelm, Joakim; Huwer, Bastian; Hüssy, Karin; Köster, Friedrich W.; Margonski, Piotr; Plikshs, Maris; Storr-Paulsen, Marie; Zimmermann, Christopher
Source:
Ocean & coastal management 2019 v.169 pp. 129-136
ISSN:
0964-5691
Subject:
fisheries management,   etc   ; coastal zone management; fish; spawning; Baltic Sea;     Show all 5 Subjects
Abstract:
... Fisheries management measures often include spatio-temporal closures during the spawning period of the fish with an overarching aim of improving the stock status. The different mechanisms how a spawning closure potentially can influence the stock are often not explicitly considered when designing such closures. In this paper, we review and synthesize the available data and knowledge on potential e ...
DOI:
10.1016/j.ocecoaman.2018.12.018

17. Solutions to reduce moisture driven backout and improve withdrawal strength of nailplates: experimental investigations

Author:
Mainey, Alexander; Gilbert, Benoit P.; Bailleres, Henri; Gunalan, Shanmuganathan; Smith, Matthew
Source:
European journal of wood and wood products 2019 v.77 no.2 pp. 257-269
ISSN:
0018-3768
Subject:
fisheries,   etc   ; friction; markets; teeth; thermodynamics; water content; Queensland;     Show all 7 Subjects
Abstract:
... Timber trusses, typically manufactured from timber members connected by nailplates, are widely used in the domestic housing market. Their use is however limited to indoor environments. The exposure of timber trusses to environments where the timber experiences high amounts of moisture content (MC) variations causes the nailplates to be driven out from the surface of the timber, a phenomenon common ...
DOI:
10.1007/s00107-019-01386-y

18. Ocean and land control-grabbing: The political economy of landscape transformation in Northern Tanintharyi, Myanmar

Author:
Barbesgaard, Mads
Source:
Journal of rural studies 2019
ISSN:
0743-0167
Subject:
fisheries,   etc   ; capital; gender; issues and policy; landscapes; politics; villages; Myanmar;     Show all 8 Subjects
Abstract:
... After a spout of optimism surrounding Myanmar's so-called democratic transition in the post-2010 period, civil-society organisations and academics are beginning to highlight rampant and violent resource grabs unfolding across the country. Delving into the Northern Tanintharyi landscape in the Southeast, this article aims to understand interrelated dynamics of coastal and agrarian transformation du ...
DOI:
10.1016/j.jrurstud.2019.01.014

19. Repeated discrete choices in geographical agent based models with an application to fisheries

Author:
Carrella, Ernesto; Bailey, Richard M.; Madsen, Jens Koed
Source:
Environmental modelling & software 2019 v.111 pp. 204-230
ISSN:
1364-8152
Subject:
fisheries,   etc   ; algorithms; computer software; decision making; environmental models;     Show all 5 Subjects
Abstract:
... Most geographical agent-based models simulate agents through custom-made decision-making algorithms. This makes it difficult to assess which results are general and which are contingent on the algorithm's details. We present a set of general algorithms, applicable in any agent-based model for choosing repeatedly from a set of alternatives. We showcase each in the same fishery agent-based model and ...
DOI:
10.1016/j.envsoft.2018.08.023

20. Examining the utility of a decision-support tool to develop spatial management options for the protection of vulnerable marine ecosystems on the high seas around New Zealand

Author:
Rowden, A.A.; Stephenson, F.; Clark, M.R.; Anderson, O.F.; Guinotte, J.M.; Baird, S.J.; Roux, M.-J.; Wadhwa, S.; Cryer, M.; Lundquist, C.J.
Source:
Ocean & coastal management 2019 v.170 pp. 1-16
ISSN:
0964-5691
Subject:
fisheries; fisheries management,   etc   ; coastal zone management; decision support systems; habitats; indicator species; marine ecosystems; planning; prioritization; uncertainty; New Zealand;     Show all 11 Subjects
Abstract:
... The South Pacific Regional Fisheries Management Organisation (SPRFMO) Convention includes specific provisions to protect vulnerable marine ecosystems (VMEs). The SPRFMO Commission has determined that the interim measures put in place to protect VMEs should be replaced by an improved system of fishable and closed areas. We used the conservation planning tool Zonation to examine the utility of a dec ...
DOI:
10.1016/j.ocecoaman.2018.12.033