Casper Willestofte Berg

Casper Willestofte Berg

Senior Researcher

DTU AQUA
National Institute of Aquatic Resources

Section for Marine Living Resources

Technical University of Denmark

Kemitorvet

Building 201, room 137

2800 Kgs. Lyngby

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2020
 

Time-variant productivity in biomass dynamic models on seasonal and long-term scales

Mildenberger, Tobias ; Berg, Casper Willestofte ; Pedersen, Martin Wæver ; Kokkalis, Alexandros ; Nielsen, J. Rasmus
in: I C E S Journal of Marine Science, vol: 77, issue: 1, pages: 174-187

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1093/icesjms/fsz154

2019
  PDF

Benchmark Workshop on Baltic Cod Stocks (WKBALTCOD2)

Orio, Alessandro ; Karpushevskaia, Anastasiia ; Nielsen, Anders ; Sundelöf, Andreas ; Berg, Casper Willestofte ; Albertsen, Christoffer Moesgaard ; Stralka, Conrad ; Vitale, Francesca ; Schade, Franziska ; Köster, Fritz ; Olesen, Hans Jakob ; Strehlow, Harry Vincent ; Sande, Hege ; Mosegaard, Henrik ; Horbowy, Jan ; Behrens, Jane ; Hjelm, Joakim ; Lövgren, Johan ; Tomkiewicz, Jonna ; Hüssy, Karin ; McQueen, Kate ; Brander, Keith ; Nielsen, Kåre Nolde ; Weltersbach, Marc Simon ; Ruciński, Marcin ; Eero, Margit ; Pierce, Maria ; Plambech Ryberg, Marie ; Storr-Paulsen, Marie ; Plikshs, Maris ; Cardinale, Massimiliano ; Bryan, Meaghan ; Andersen, Michael ; Casini, Michele ; Bergenius, Mikaela ; Mion, Monica ; Höglund, Nils ; Linke, Sebastian ; Carlshamre, Sofia ; Larsson, Staffan ; Haase, Stefanie ; Krumme, Uwe ; Trenkel, Verena ; Gertseva, Vladlena ; Amosova, Viktoriia ; Cormon, Xochitl ; Heimbrand, Yvette

Type: Report

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.17895/ices.pub.4984

  PDF

Harbor porpoise (Phocoena phocoena ) reactions to pingers

Kindt-Larsen, Lotte ; Berg, Casper Willestofte ; Northridge, Simon ; Larsen, Finn
in: Marine Mammal Science, vol: 35, issue: 2, pages: 552-573

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1111/mms.12552

  PDF

Ninth Workshop on the Development of Quantitative Assessment Methodologies based on LIFE-history traits, exploitation characteristics, and other relevant parameters for data-limited stocks (WKLIFE IX)

Azevedo, Manuela ; Berg, Casper Willestofte ; Biseau, A. ; Fischer, Simon ; Hoenig, John ; Kell, Laurence T. ; Kokkalis, Alexandros ; Martin, Guillermo ; Miethe, Tanja ; Mildenberger, Tobias ; O'Brien, Carl Michael ; Silva, Cristina ; Soto, Maria ; Taylor, Marc H. ; Thomas, Katie ; Thorpe, Robert ; Uriarte, Andres ; Walker, Nicola

Type: Report

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.17895/ices.pub.5550

  PDF

Workshop on Methods to develop a swept-area based effort index (WKSABI)

Berg, Casper Willestofte ; Brun, Mélanie ; Börjesson, Patrik ; Chaves, Corina ; Degel, Henrik ; Lynam, Christopher P. ; Martinez, Inigo ; Schuchert, Pia ; Soni, Vaishav ; Velaso, Francisco ; Villamor, Adriana ; Wieland, Kai

Type: Report

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.17895/ices.pub.4902

2018
 

Advancing assessment methods for data-limited fish stocks

Mildenberger, Tobias ; Berg, Casper Willestofte ; Kokkalis, Alexandros ; Nielsen, J. Rasmus
Presented at:
IIFET 2018

Type: Conference abstract for conference

Status: Published     |    Year: 2018

 

Response to: Comments on incongruous formulations in the SAM (state-space assessment model) model and consequences for fish stock assessment

Nielsen, Anders ; Berg, Casper Willestofte
in: Fisheries Research, vol: 210, pages: 228-229

Type: Comment/debate (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1016/j.fishres.2018.09.008

2017
 

A stochastic surplus production model in continuous time

Pedersen, Martin Wæver ; Berg, Casper Willestofte
in: Fish and Fisheries, vol: 18, issue: 2, pages: 226-243

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1111/faf.12174

  PDF

Effectiveness of fully documented fisheries to estimate discards in a participatory research scheme

Mortensen, Lars O. ; Ulrich, Clara ; Olesen, Hans Jakob ; Bergsson, Heidrikur ; Berg, Casper Willestofte ; Tzamouranis, Nikolaos ; Dalskov, Jørgen
in: Fisheries Research, vol: 187, pages: 150-157

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.fishres.2016.11.010

  PDF

glmmTMB balances speed and flexibility among packages for Zero-inflated Generalized Linear Mixed Modeling

Brooks, Mollie Elizabeth ; Kristensen, Kasper ; van Benthem, Koen J. ; Magnusson, Arni ; Berg, Casper Willestofte ; Nielsen, Anders ; Skaug, Hans J. ; Machler, Martin ; Bolker, Benjamin M.
in: The R Journal, vol: 9, issue: 2, pages: 378-400

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.32614/RJ-2017-066

  PDF

Validation of ecological state space models using the Laplace approximation

Thygesen, Uffe Høgsbro ; Albertsen, Christoffer Moesgaard ; Berg, Casper Willestofte ; Kristensen, Kasper ; Nielsen, Anders
in: Environmental and Ecological Statistics, vol: 24, issue: 2, pages: 317-339

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1007/s10651-017-0372-4

2016
  PDF

Accounting for correlated observations in an age-based state-space stock assessment model

Berg, Casper Willestofte ; Nielsen, Anders
in: ICES Journal of Marine Science, vol: 73, issue: 7, pages: 1788-1797

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1093/icesjms/fsw046

  PDF

Explaining the catch efficiency of different cod pots using underwater video to observe cod entry and exit behaviour

Hedgärde, Maria ; Berg, Casper Willestofte ; Kindt-Larsen, Lotte ; Lunneryd, Sven Gunnar ; Königson, Sara
in: The Journal of Ocean Technology, vol: 11, issue: 4, pages: 67-90

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016

 

Identification of high-risk areas for harbour porpoise Phocoena phocoena bycatch using remote electronic monitoring and satellite telemetry data

Kindt-Larsen, Lotte ; Berg, Casper Willestofte ; Tougaard, J. ; Sørensen, Thomas Kirk ; Geitner, Kerstin ; Northridge, S. ; Sveegaard, S. ; Larsen, Finn
in: Marine Ecology - Progress Series, vol: 555, pages: 261-271

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.3354/meps11806

  PDF

Influence of twin and multi-rig trawl systems on CPUE in the Danish Norway lobster (Nephrops norvegicus) fishery

Feekings, Jordan P. ; Berg, Casper Willestofte ; Krag, Ludvig Ahm ; Eigaard, Ole Ritzau
in: Fisheries Research, vol: 175, pages: 51-56

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1016/j.fishres.2015.11.017

  PDF

TMB: Automatic differentiation and laplace approximation

Kristensen, Kasper ; Nielsen, Anders ; Berg, Casper Willestofte ; Skaug, Hans J. ; Bell, Brad
in: Journal of Statistical Software, vol: 70, issue: 5, pages: 1-21

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016

 

Validation of state-space models using Template Model Builder

Thygesen, Uffe Høgsbro ; Albertsen, Christoffer Moesgaard ; Berg, Casper Willestofte ; Kristensen, Kasper ; Nielsen, Anders ; Pedersen, Martin Wæver
Presented at:
International Statistical Ecology Conference 2016

Type: Conference abstract for conference

Status: Published     |    Year: 2016

2015
  PDF

Accounting for correlated observations in an age-based state-space stock assessment model

Berg, Casper Willestofte ; Nielsen, Anders
Presented at:
ICES Annual Science Conference 2015

Type: Conference abstract for conference

Status: Published     |    Year: 2015

  PDF

Long-term effects of an offshore wind farm in the North Sea on fish communities

Stenberg, Claus ; Støttrup, Josianne ; Deurs, Mikael van ; Berg, Casper Willestofte ; Dinesen, Grete E. ; Mosegaard, Henrik ; Grome, Thomas ; Leonhard, S.B.
in: Marine Ecology - Progress Series, vol: 528, pages: 257-265

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.3354/meps11261

  PDF

Robust statistical method in a single species age-structured state-space assessment model

Nielsen, Anders ; Berg, Casper Willestofte
Presented at:
ICES Annual Science Conference 2015

Type: Conference abstract for conference

Status: Published     |    Year: 2015

  PDF

Sustainable development of the Nephrops fishery in the Kattegat-Skagerrak region

Frandsen, Rikke ; Eliasen, Søren Q. ; Lövgren, Johan ; Søvik, Guldborg ; Feekings, Jordan P. ; Ulmestrand, Mats ; Lund, Henrik ; Andersen, Bo Sølgaard ; Axelsen, Bjørn Erik ; Bastardie, Francois ; Berg, Casper Willestofte ; Bichel, Nikolaj ; Furevik, Dag ; Jacobsen, Jonathan B. ; Johansen, Torild ; Jonasdottir, Sigrun ; Jonsson, Patrik ; Jørgensen, Terje ; Karlsen, Junita Diana ; Kleiven, Alf Ring ; Løkkeborg, Svein ; Lundgren, Bo ; Madsen, Niels ; Munch-Petersen, Sten ; Nielsen, Anders ; Nielsen, J. Rasmus ; Reeh, Line ; Westgaard, Jon-Ivar

Type: Report

Status: Published     |    Year: 2015

2014
 

Estimation of time-varying selectivity in stock assessments using state-space models

Nielsen, Anders ; Berg, Casper Willestofte
in: Fisheries Research, vol: 158, pages: 96-101

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.fishres.2014.01.014

 

Evaluation of alternative age-based methods for estimating relative abundance from survey data in relation to assessment models

Berg, Casper Willestofte ; Nielsen, Anders ; Kristensen, Kasper
in: Fisheries Research, vol: 151, pages: 91-99

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.fishres.2013.10.005

2013
 

Havvindmølleparker og deres indflydelse på fisk - et casestudy fra Horns Rev havvindmøllepark

Stenberg, Claus ; Leonhard, Simon B. ; Deurs, Mikael van ; Mosegaard, Henrik ; Grome, Thomas ; Dinesen, Grete E. ; Christensen, Asbjørn ; Jensen, Henrik ; Kaspersen, Maria ; Berg, Casper Willestofte ; Skov, Henrik ; Pedersen, John ; Hvidt, Christian B. ; Klaustrup, Maks ; Støttrup, Josianne
Presented at:
17. Danske havforskermøde

Type: Conference abstract for conference

Status: Published     |    Year: 2013

  PDF

Statistical aspects of fish stock assessment

Berg, Casper Willestofte

Type: Ph.D. thesis

Status: Published     |    Year: 2013

  PDF

Strategies for fitting nonlinear ecological models in R, AD Model Builder, and BUGS

Bolker, B.M. ; Gardner, B. ; Maunder, M. ; Berg, Casper Willestofte ; Brooks, M. ; Comita, L. ; Crone, E. ; Cubaynes, S. ; Davies, T. ; Valpine, P. de ; Ford, J. ; Gimenez, O. ; Kéry, M. ; Kim, E.J. ; Lennert-Cody, C. ; Magnusson, A. ; Martell, S. ; Nash, J. ; Nielsen, Anders ; Regetz, J. ; Skaug, H. ; Zipkin, E.
in: Methods in Ecology and Evolution, vol: 4, issue: 6, pages: 501-512

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1111/2041-210X.12044

2012
  PDF

Spatial age-length key modelling using continuation ratio logits

Berg, Casper W. ; Kristensen, Kasper
in: Fisheries Research, vol: 129-130, pages: 119-126

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1016/j.fishres.2012.06.016

2011
  PDF

Effect of the Horns Rev 1 Offshore Wind Farm on Fish Communities. Follow-up Seven Years after Construction

Stenberg, Claus ; Deurs, Mikael van ; Støttrup, Josianne ; Mosegaard, Henrik ; Grome, Thomas ; Dinesen, Grete E. ; Christensen, Asbjørn ; Jensen, Henrik ; Kaspersen, Maria ; Berg, Casper Willestofte ; Leonhard, Simon B. ; Skov, Henrik ; Pedersen, John ; Hvidt, Christian B. ; Klaustrup, Maks ; Leonhard, Simon B. (Editor)

Type: Report

Status: Published     |    Year: 2011

 

Estimation methods for nonlinear state-space models in ecology

Pedersen, Martin Wæver ; Berg, Casper Willestofte ; Thygesen, Uffe Høgsbro ; Nielsen, Anders ; Madsen, Henrik
in: Ecological Modelling, vol: 222, issue: 8, pages: 1394-1400

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1016/j.ecolmodel.2011.01.007

 

Estimation of feeding patterns for piscivorous fish using individual prey data from stomach contents

Berg, Casper Willestofte ; Temming, Axel
in: Canadian Journal of Fisheries and Aquatic Sciences, vol: 68, issue: 5, pages: 834-841

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1139/F2011-020

2010
 

Size‐based assessment of ecosystem effects of fishery management decisions

Andersen, Ken Haste ; Berg, Casper Willestofte
Presented at:
ICES Council Meeting 2010

Type: Poster

Status: Published     |    Year: 2010

2009
 

Online bestandsvurdering af torsk i Nordsøen

Berg, Casper Willestofte
in: Fiskeritidende, vol: 16, issue: 2, pages: 6

Type: Contribution to newspaper - Newspaper article

Status: Published     |    Year: 2009


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24 FEBRUARY 2020