Search Results - "Punt, André E"

Spatial stock assessment methods: A viewpoint on current issues and assumptions by Punt, André E.

“…•Spatial stock assessment can reduce bias in assessments caused by spatial structure.•Implementation is possible now given the availability of models,…”
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Shifting trends: Detecting changes in cetacean population dynamics in shifting habitat by Boyd, Charlotte, Punt, André E

“…The ability to monitor population dynamics and detect major changes in population trend is essential for wildlife conservation and management. However, this is…”
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Strategic management decision-making in a complex world: quantifying, understanding, and using trade-offs by Punt, André E.

“…The use of management strategy evaluation (MSE) techniques to inform strategic decision-making is now standard in fisheries management. The technical aspects…”
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Examining common assumptions about recruitment: a meta‐analysis of recruitment dynamics for worldwide marine fisheries by Szuwalski, Cody S, Vert‐Pre, Katyana A, Punt, André E, Branch, Trevor A, Hilborn, Ray

“…Assumptions about the future productivity of a stock are necessary to calculate sustainable catches in fisheries management. Fisheries scientists often assume…”
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Multispecies fisheries management and conservation: tactical applications using models of intermediate complexity by Plagányi, Éva E, Punt, André E, Hillary, Richard, Morello, Elisabetta B, Thébaud, Olivier, Hutton, Trevor, Pillans, Richard D, Thorson, James T, Fulton, Elizabeth A, Smith, Anthony D M, Smith, Franz, Bayliss, Peter, Haywood, Michael, Lyne, Vincent, Rothlisberg, Peter C

“…Stakeholders increasingly expect ecosystem assessments as part of advice on fisheries management. Quantitative models to support fisheries decision‐making may…”
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Multiple‐model stock assessment frameworks for precautionary management and conservation on fishery‐targeted coastal dolphin populations off Japan by Kanaji, Yu, Maeda, Hikari, Okamura, Hiroshi, Punt, André E., Branch, Trevor

“…Stock assessment approaches are often oversimplified due to lack of biological knowledge and insufficient data. In spite of world‐wide attention,…”
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Fatty acid comparison of four sympatric loliginid squids in the northern South China Sea: Indication for their similar feeding strategy by Lin, Dongming, Zhu, Kai, Qian, Weiguo, Punt, André E, Chen, Xinjun

“…Feeding strategies of sympatric squid species help to understand their role in marine ecosystems. Four loliginid squids, Uroteuthis duvaucelii, Uroteuthis…”
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The effects of population synchrony, life history, and access constraints on benefits from fishing portfolios by Oken, Kiva L., Holland, Daniel S., Punt, André E.

“…Natural resources often exhibit large interannual fluctuations in productivity driven by shifting environmental conditions, and this translates to high…”
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Ecosystem-based fisheries management requires a change to the selective fishing philosophy by Zhou, Shijie, Smith, Anthony D.M, Punt, André E, Richardson, Anthony J, Gibbs, Mark, Fulton, Elizabeth A, Pascoe, Sean, Bulman, Catherine, Bayliss, Peter, Sainsbury, Keith

“…Globally, many fish species are overexploited, and many stocks have collapsed. This crisis, along with increasing concerns over flow-on effects on ecosystems,…”
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Measuring uncertainty in fisheries stock assessment: the delta method, bootstrap, and MCMC by Magnusson, Arni, Punt, André E, Hilborn, Ray

“…Fisheries management depends on reliable quantification of uncertainty for decision‐making. We evaluate which uncertainty method can be expected to perform…”
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Are coastal protected areas always effective in achieving population recovery for nesting sea turtles? by Nel, Ronel, Punt, André E, Hughes, George R

“…Sea turtles are highly migratory and usually dispersed, but aggregate off beaches during the nesting season, rendering them vulnerable to coastal threats…”
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Movement models provide insights into variation in the foraging effort of central place foragers by Boyd, Charlotte, Punt, André E., Weimerskirch, Henri, Bertrand, Sophie

“…•An energy-based model was developed to analyze time allocation by central place foragers.•A hidden Markov model was used to partition seabird tracks into…”
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A novel spatiotemporal stock assessment framework to better address fine‐scale species distributions: Development and simulation testing by Cao, Jie, Thorson, James T., Punt, André E., Szuwalski, Cody

“…Characterizing population distribution and abundance over space and time is central to population ecology and conservation of natural populations. However,…”
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Ecosystems say good management pays off by Fulton, Elizabeth A., Punt, André E., Dichmont, Catherine M., Harvey, Chris J., Gorton, Rebecca

“…Understanding the strengths and weaknesses of alternative assessment methods, harvest strategies and management approaches are an important part of…”
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Essential features of the next-generation integrated fisheries stock assessment package: A perspective by Punt, André E., Dunn, Alistair, Elvarsson, Bjarki Þór, Hampton, John, Hoyle, Simon D., Maunder, Mark N., Methot, Richard D., Nielsen, Anders

“…Integrated analysis (or integrated population modelling) methods have become the preferred approach for conducting stock assessments, and providing the basis…”
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Reconciling stock assessment and management scales under conditions of spatially varying catch histories by Cope, Jason M., Punt, André E.

“…Spatial homogeneity is the exception, not the rule, for many marine populations. Data limitations or biological knowledge gaps, though, often drive the…”
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Species‐specific ontogenetic diet shifts attenuate trophic cascades and lengthen food chains in exploited ecosystems by Reum, Jonathan C. P., Blanchard, Julia L., Holsman, Kirstin K., Aydin, Kerim, Punt, André E.

“…Ontogenetic diet shifts are pervasive in food websbut rules governing their emergence and the implications for trophic cascades are only partly understood…”
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Reducing retrospective patterns in stock assessment and impacts on management performance by Szuwalski, Cody S, Ianelli, James N, Punt, André E

“…Abstract Retrospective patterns are consistent directional changes in assessment estimates of biomass in a given year when additional years of data are added…”
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Implementing the precautionary approach into fisheries management: Biomass reference points and uncertainty buffers by Mildenberger, Tobias K., Berg, Casper W., Kokkalis, Alexandros, Hordyk, Adrian R., Wetzel, Chantel, Jacobsen, Nis S., Punt, André E., Nielsen, J. Rasmus

“…The precautionary approach to fisheries management advocates for risk‐averse management strategies that include biological reference points and account for…”
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Spatial difference in feeding habits but similar foraging strategy for energy acquisition in jumbo squid by Feng, Yixuan, Song, Wei, Lin, Dongming, Punt, André E., Chen, Xinjun

“…Obtaining sufficient energy is vital for maintaining basal functions and supporting physiological activities, but there is still a lack of empirical data…”
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