Verena Trenkel

Rochet Marie-Joelle, Daures Fabienne, Trenkel Verena (2012). Capacity management, not stock status or economics, drives fleet dynamics in the Bay of Biscay ecosystem on a decadal time scale. Canadian Journal Of Fisheries And Aquatic Sciences, 69(4), 695-710. Publisher's official version : http://dx.doi.org/10.1139/F2012-002 , Open Access version : http://archimer.ifremer.fr/doc/00076/18730/

Greenstreet Simon P. R., Fraser Helen M., Rogers Stuart I., Trenkel Verena, Simpson Stephen, Pinnegar John K. (2012). Redundancy in metrics describing the composition, structure, and functioning of the North Sea demersal fish community. Ices Journal Of Marine Science, 69(1), 8-22. http://dx.doi.org/10.1093/icesjms/fsr188

Trenkel Verena, Mahe Kelig, Berger Laurent, Le Bouffant Naig, Oudard Clemence (2012). Rapport final de l'étude sur la structure de stocks du merlan bleu.

Lorance Pascal, Agnarsson Sveinn, Damalas Dimitrios, Des Clers Sophie, Figueiredo Ivone, Gil Juan, Trenkel Verena (2011). Using qualitative and quantitative stakeholder knowledge: examples from European deep-water fisheries. Ices Journal Of Marine Science, 68(8), 1815-1824. http://dx.doi.org/10.1093/icesjms/fsr076

Gascuel D., Bez Nicolas, Forest Andre, Guillotreau P., Laloe F., Lobry Jeremy, Mahevas Stephanie, Mesnil Benoit, Rivot Etienne, Rochette S., Trenkel Verena (2011). A future for marine fisheries in Europe (Manifesto of the Association Francaise d'Halieumetrie). Fisheries Research, 109(1), 1-6. Publisher's official version : http://dx.doi.org/10.1016/j.fishres.2011.02.002 , Open Access version : http://archimer.ifremer.fr/doc/00035/14598/

Trenkel Verena, Lorance Pascal (2011). Estimating Synaphobranchus kaupii densities: Contribution of fish behaviour to differences between bait experiments and visual strip transects. Deep-sea Research Part I-oceanographic Research Papers, 58(1), 63-71. Publisher's official version : http://dx.doi.org/10.1016/j.dsr.2010.11.006 , Open Access version : http://archimer.ifremer.fr/doc/00031/14198/

Mahevas Stephanie, Trenkel Verena, Doray Mathieu, Peyronnet Arnaud (2011). Hake catchability by the French trawler fleet in the Bay of Biscay: estimating technical and biological components. Ices Journal Of Marine Science, 68(1), 107-118. Publisher's official version : http://dx.doi.org/10.1093/icesjms/fsq140 , Open Access version : http://archimer.ifremer.fr/doc/00021/13244/

Frisk Michael G., Duplisea Daniel E., Trenkel Verena (2011). Exploring the abundance-occupancy relationships for the Georges Bank finfish and shellfish community from 1963 to 2006. Ecological Applications, 21(1), 227-240. Publisher's official version : http://dx.doi.org/10.1890/09-1698.1 , Open Access version : http://archimer.ifremer.fr/doc/00033/14397/

Trenkel Verena, Ressler Patrick H., Jech Mike, Giannoulaki Marianna, Taylor Chris (2011). Underwater acoustics for ecosystem-based management: state of the science and proposals for ecosystem indicators. Marine Ecology-progress Series, 442, 285-301. Publisher's official version : http://dx.doi.org/10.3354/meps09425 , Open Access version : http://archimer.ifremer.fr/doc/00073/18445/

Lorance Pascal, Pawlowski Lionel, Trenkel Verena (2010). Standardizing blue ling landings per unit effort from industry haul-by-haul data using generalized additive models. Ices Journal Of Marine Science, 67(8), 1650-1658. Publisher's official version : http://dx.doi.org/10.1093/icesjms/fsq048 , Open Access version : http://archimer.ifremer.fr/doc/00016/12713/

Baulier Loic, Pawlowski Lionel, Lorance Pascal, Trenkel Verena (2010). Analysis of species associations in deep-sea fisheries off the British Isles from an industry haul-by-haul database. Conférence annuelle du CIEM 2010, Nantes. http://archimer.ifremer.fr/doc/00018/12951/

Rochet Marie-Joelle, Trenkel Verena, Carpentier Andre, Coppin Franck, Gil De Sola Luis, Leaute Jean-Pierre, Mahe Jean-Claude, Maiorano Porzia, Mannini Alessandro, Murenu Matteo, Piet Gerjan, Politou Chrissi-Yianna, Reale Bruno, Spedicato Maria-Teresa, Tserpes George, Bertrand Jacques (2010). Do changes in environmental and fishing pressures impact marine communities? An empirical assessment. Journal Of Applied Ecology, 47(4), 741-750. Publisher's official version : http://dx.doi.org/10.1111/j.1365-2664.2010.01841.x , Open Access version : http://archimer.ifremer.fr/doc/00008/11925/

Trenkel Verena, Rochet Marie-Joelle (2010). Combining time trends in multiple metrics for identifying persistent changes in population processes or environmental stressors. Journal Of Applied Ecology, 47(4), 751-758. Publisher's official version : http://dx.doi.org/10.1111/j.1365-2664.2010.01824.x , Open Access version : http://archimer.ifremer.fr/doc/00008/11926/

Doray Mathieu, Mahevas Stephanie, Trenkel Verena (2010). Estimating gear efficiency in a combined acoustic and trawl survey, with reference to the spatial distribution of demersal fish. Ices Journal Of Marine Science, 67(4), 668-676. Publisher's official version : http://dx.doi.org/10.1093/icesjms/fsp277 , Open Access version : http://archimer.ifremer.fr/doc/00002/11372/

Blanchard Julia L., Coll Marta, Trenkel Verena, Vergnon Remi, Yemane Dawit, Jouffre Didier, Link Jason S., Shin Yunne-Jai (2010). Trend analysis of indicators: a comparison of recent changes in the status of marine ecosystems around the world. Ices Journal of Marine Science : Journal du Conseil, 67(4), 732-744. Publisher's official version : http://dx.doi.org/10.1093/icesjms/fsp282 , Open Access version : http://archimer.ifremer.fr/doc/00002/11373/

(2010) Marine Strategy Framework Directive - Task Group 4 Report Food webs. CIEM et JRC (Joint Research Council), Ref. EUR 24343 EN – Joint Research Centre, 63p.

Trenkel Verena, Lorance Pascal (2010). A likelihood method for identifying joint time trends in multiple variables: Application to population and fishing pressure indices of deep-water species. ICES Annual Science Conference, 20-24 Septembre 2010, Nantes.

Trenkel Verena, Berger Laurent (2010). What information can acoustic data provide on marine biodiversity ? ICES Annual Science Conference, 20-24 Septembre 2010, Nantes.

Rochet Marie-Joelle, Trenkel Verena, Rice Jake (2010). A framework for qualitatively evaluating management plans in a results-based perspective. ICES Annual Science Conference 2010, 20-24 Septembre 2010, Nantes. http://archimer.ifremer.fr/doc/00029/13988/

Morin Jocelyne, Bertrand Jacques, Cochard Marie-Laure, Coppin Franck, Leaute Jean-Pierre, Lobry Jeremy, Mahe Jean-Claude, Poulard Jean-Charles, Rochet Marie-Joelle, Schlaich Ivan, Souplet Arnauld, Trenkel Verena, Vaz Sandrine, Verin Yves (2009). L'état des communautés exploitées au large des côtes de France. Application d'indicateurs à l'évaluation de l'impact de la pêche. Bilan 2004 – Edition 2009. http://archimer.ifremer.fr/doc/00000/7293/

Trenkel Verena, Berthele Olivier, Lorance Pascal, Bertrand Jacques, Brind'Amour Anik, Cochard Marie-Laure, Coppin Franck, Leaute Jean-Pierre, Mahe Jean-Claude, Morin Jocelyne, Rochet Marie-Joelle, Salaun Michele, Souplet Arnauld, Verin Yves (2009). Grands invertébrés et poissons observés par les campagnes scientifiques. Atlas de distribution. Bilan 2008. http://archimer.ifremer.fr/doc/00000/6976/

Lorance Pascal, Bertrand Jacques, Brind'Amour Anik, Rochet Marie-Joelle, Trenkel Verena (2009). Assessment of impacts from human activities on ecosystem components in the Bay of Biscay in the early 1990s. Aquatic Living Resources, 22(4), 409-431. Publisher's official version : http://dx.doi.org/10.1051/alr/2009049 , Open Access version : http://archimer.ifremer.fr/doc/00000/11164/

Trenkel Verena, Berger Laurent, Bourguignon Sebastien, Doray Mathieu, Fablet Ronan, Masse Jacques, Mazauric Valerie, Poncelet Cyrille, Quemener Gael, Scalabrin Carla, Villalobos Hector (2009). Overview of recent progress in fisheries acoustics made by Ifremer with examples from the Bay of Biscay. Aquatic Living Resources, 22(4), 433-445. Publisher's official version : http://dx.doi.org/10.1051/alr/2009027 , Open Access version : http://archimer.ifremer.fr/doc/00000/11165/

Daures Fabienne, Rochet Marie-Joelle, Van Iseghem Sylvie, Trenkel Verena (2009). Fishing fleet typology, economic dependence, and species landing profiles of the French fleets in the Bay of Biscay, 2000-2006. Aquatic Living Resources, 22(4), 535-547. Publisher's official version : http://dx.doi.org/10.1051/alr/2009031 , Open Access version : http://archimer.ifremer.fr/doc/00000/11172/

Dambacher Jeffrey M., Gaughan Daniel J., Rochet Marie-Joelle, Rossignol Philippe A., Trenkel Verena (2009). Qualitative modelling and indicators of exploited ecosystems. Fish and Fisheries, 10(3), 305-322. http://dx.doi.org/10.1111/j.1467-2979.2008.00323.x

Trenkel Verena, Rochet Marie-Joelle (2009). Intersection-union tests for characterising recent changes in smoothed indicator time series. Ecological Indicators, 9(4), 732-739. Publisher's official version : http://dx.doi.org/10.1016/j.ecolind.2008.09.005 , Open Access version : http://archimer.ifremer.fr/doc/00000/6234/

Berger Laurent, Poncelet Cyrille, Trenkel Verena (2009). A method for reducing uncertainty in estimates of fish-school frequency response using data from multifrequency and multibeam echosounders. ICES Journal of Marine Science, 66(6), 1155-1161. Publisher's official version : http://dx.doi.org/10.1093/icesjms/fsp113 , Open Access version : http://archimer.ifremer.fr/doc/00000/6590/

Mesnil Benoit, Cotter John, Fryer Rob J., Needle Coby L., Trenkel Verena (2009). A review of fishery-independent assessment models, and initial evaluation based on simulated data. Aquatic Living Resources, 22(2), 207-216. Publisher's official version : http://dx.doi.org/10.1051/alr/2009003 , Open Access version : http://archimer.ifremer.fr/doc/00000/6902/

Cotter John, Petitgas Pierre, Abella Alvaro, Apostolaki Panayiota, Mesnil Benoit, Politou Chrissi-Yianna, Rivoirard Jacques, Rochet Marie-Joelle, Spedicato Maria Teresa, Trenkel Verena, Woillez Mathieu (2009). Towards an ecosystem approach to fisheries management (EAFM) when trawl surveys provide the main source of information. Aquatic Living Resources, 22(2), 243-254. Publisher's official version : http://dx.doi.org/10.1051/alr/2009025 , Open Access version : http://archimer.ifremer.fr/doc/00000/6691/

Petitgas Pierre, Cotter John, Trenkel Verena, Mesnil Benoit (2009). Fish stock assessments using surveys and indicators. Aquatic Living Resources, 22(2), 119-119. Publisher's official version : http://dx.doi.org/10.1051/alr/2009014 , Open Access version : http://archimer.ifremer.fr/doc/00000/6686/

Trenkel Verena, Cotter John (2009). Choosing survey time series for populations as part of an ecosystem approach to fishery management. Aquatic Living Resources, 22(2), 121-126. Publisher's official version : http://dx.doi.org/10.1051/alr/2008057 , Open Access version : http://archimer.ifremer.fr/doc/00000/6900/

Bertrand Jacques, Brind'Amour Anik, Cochard Marie-Laure, Coppin Franck, Leaute Jean-Pierre, Lorance Pascal, Mahe Jean-Claude, Morin Jocelyne, Poulard Jean-Charles, Rochet Marie-Joelle, Schlaich Ivan, Souplet Arnauld, Trenkel Verena, Verin Yves (2009). Grands invertébrés et poissons observés par les campagnes scientifiques. Bilan 2007. http://archimer.ifremer.fr/doc/00000/6160/

Persohn Cecile, Lorance Pascal, Trenkel Verena (2009). Habitat preferences of selected demersal fish species in the Bay of Biscay and Celtic Sea, North-East Atlantic. Fisheries Oceanography, 18(4), 268-285. http://dx.doi.org/10.1111/j.1365-2419.2009.00515.x

Rochet Marie-Joelle, Prigent M, Bertrand Jacques, Carpentier Andre, Coppin Franck, Delpech Jean-Paul, Fontenelle G, Foucher Eric, Mahe Kelig, Rostiaux Emilie, Trenkel Verena (2008). Ecosystem trends: evidence for agreement between fishers' perceptions and scientific information. ICES Journal of Marine Science, 65(6), 1057-1068. Publisher's official version : http://dx.doi.org/10.1093/icesjms/fsn062 , Open Access version : http://archimer.ifremer.fr/doc/00000/4474/

Chassot E, Rouyer Tristan, Trenkel Verena, Gascuel D (2008). Investigating trophic-level variability in Celtic Sea fish predators. Journal of Fish Biology, 73(4), 763-781. Publisher's official version : http://dx.doi.org/10.1111/j.1095-8649.2008.01938.x , Open Access version : http://archimer.ifremer.fr/doc/00000/4699/

Mahevas Stephanie, Bellanger Lise, Trenkel Verena (2008). Cluster analysis of linear model coefficients under contiguity constraints for identifying spatial and temporal fishing effort patterns. Fisheries Research, 93(1-2), 29-38. Publisher's official version : http://dx.doi.org/10.1016/j.fishres.2008.02.008 , Open Access version : http://archimer.ifremer.fr/doc/00000/4302/

Trenkel Verena (2008). A two-stage biomass random effects model for stock assessment without catches: What can be estimated using only biomass survey indices? Canadian journal of fisheries and aquatic sciences, 65(6), 1024-1035. Publisher's official version : http://dx.doi.org/10.1139/F08-028 , Open Access version : http://archimer.ifremer.fr/doc/00000/4565/

Prigent Magali, Fontenelle Guy, Rochet Marie-Joelle, Trenkel Verena (2008). Using cognitive maps to investigate fishers' ecosystem objectives and knowledge. Ocean & Coastal Management, 51(6), 450-462. Publisher's official version : http://dx.doi.org/10.1016/j.ocecoaman.2008.04.005 , Open Access version : http://archimer.ifremer.fr/doc/00000/6134/

Trenkel Verena, Mazauric Valerie, Berger Laurent (2008). The new fisheries multibeam echosounder ME70: description and expected contribution to fisheries research. ICES Journal of Marine Science, 65(4), 645-655. Publisher's official version : http://dx.doi.org/10.1093/icesjms/fsn051 , Open Access version : http://archimer.ifremer.fr/doc/00000/4117/

Trenkel Verena, Rochet Marie-Joelle, Mahevas Stephanie (2008). Interactions between fishing strategies of nephrops trawlers in the Bay of Biscay and Norway lobster diel activity patterns. Fisheries Management and Ecology, 15(1), 11-18. Publisher's official version : http://dx.doi.org/10.1111/j.1365-2400.2007.00564.x , Open Access version : http://archimer.ifremer.fr/doc/00000/2618/

Pinnegar John K., Trenkel Verena, Blanchard Julia L. (2008). 80 years of multispecies fisheries modelling: significant advances and continuing challenges. In Advances in fisheries science. 50 years on from Beverton and Holt (Blackwell Science Publ).

Trenkel Verena, Le Loch Francois, Rochet Marie-Joelle (2007). Small-scale spatial and temporal interactions among benthic crustaceans and one fish species in the Bay of Biscay. Marine Biology, 151(6), 2207-2215. Publisher's official version : http://dx.doi.org/10.1007/s00227-007-0655-7 , Open Access version : http://archimer.ifremer.fr/doc/00000/2614/

Poulard Jean-Charles, Trenkel Verena (2007). Do survey design and wind conditions influence survey indices ? Canadian journal of fisheries and aquatic sciences, 64(11), 1551–1562. Publisher's official version : http://dx.doi.org/10.1139/F07-123 , Open Access version : http://archimer.ifremer.fr/doc/00000/2690/

Trenkel Verena, Rochet Marie-Joelle, Mesnil Benoit (2007). From model-based prescriptive advice to indicator-based interactive advice. ICES Journal of Marine Science, 64(4), 768-774. Publisher's official version : http://dx.doi.org/10.1093/icesjms/fsm006 , Open Access version : http://archimer.ifremer.fr/doc/00000/2619/

Bertrand Jacques, Cochard Marie-Laure, Coppin Franck, Leaute Jean-Pierre, Lobry Jeremy, Mahe Jean-Claude, Morin Jocelyne, Poulard Jean-Charles, Rochet Marie-Joelle, Schlaich Ivan, Souplet Arnauld, Trenkel Verena, Verin Yves (2007). Poissons et invertébrés au large des côtes de France. Indicateurs issus des pêches scientifiques. Bilan 2004. http://archimer.ifremer.fr/doc/00000/2327/

Trenkel Verena (2006). Méthodes d'évaluation des ressources marines vivantes pour une exploitation durable. HDR. http://archimer.ifremer.fr/doc/00000/1545/

Battaglia Andre, Trenkel Verena, Rochet Marie-Joelle (2006). Estimating end effects in trawl catches. ICES Journal of Marine Science, 63(5), 956-959. Publisher's official version : http://dx.doi.org/10.1016/j.icesjms.2006.03.002 , Open Access version : http://archimer.ifremer.fr/doc/00000/1686/

Lorance Pascal, Trenkel Verena (2006). Variability in natural behaviour, and observed reactions to an ROV, by mid-slope fish species. Journal of Experimental Marine Biology and Ecology, 332(1), 106-119. Publisher's official version : http://dx.doi.org/10.1016/j.jembe.2005.11.007 , Open Access version : http://archimer.ifremer.fr/doc/00000/1228/

Rochet Marie-Joelle, Cadiou Jean-Francois, Trenkel Verena (2006). Precision and accuracy of fish length measurements obtained with two visual underwater methods. Fishery Bulletin, 104(1), 1-9. Open Access version : http://archimer.ifremer.fr/doc/00000/978/

Trenkel Verena, Skaug Hans (2005). Disentangling the effects of capture efficiency and population abundance on catch data using random effects models. ICES Journal of Marine Science, 62(8), 1543-1555. Publisher's official version : http://dx.doi.org/10.1016/j.icesjms.2005.05.010 , Open Access version : http://archimer.ifremer.fr/doc/00000/828/

Rochet Marie-Joelle, Trenkel Verena, Bellail Robert, Coppin Franck, Le Pape Olivier, Mahe Jean-Claude, Morin Jocelyne, Poulard Jean-Charles, Schlaich Ivan, Souplet Arnauld, Verin Yves, Bertrand Jacques (2005). Combining indicator trends to assess ongoing changes in exploited fish communities: diagnostic of communities off the coasts of France. ICES Journal of Marine Science, 62(8), 1647-1664. Publisher's official version : http://dx.doi.org/10.1016/j.icesjms.2005.06.009 , Open Access version : http://archimer.ifremer.fr/doc/00000/773/

Trenkel Verena, Pinnegar J, Dawson W, Du Buit M, Tidd A (2005). Spatial and temporal structure of predator-prey relationships in the Celtic Sea fish community. Marine Ecology Progress Series, 299, 257-268. Publisher's official version : http://dx.doi.org/10.3354/meps299257 , Open Access version : http://archimer.ifremer.fr/doc/00000/3619/

Hammond T, Trenkel Verena (2005). Censored catch data in fisheries stock assessment. ICES Journal of Marine Science, 62(6), 1118-1130. Publisher's official version : http://dx.doi.org/10.1016/j.icesjms.2005.04.015 , Open Access version : http://archimer.ifremer.fr/doc/00000/641/

Rochet Marie-Joelle, Trenkel Verena (2005). Factors for the variability of discards: assumptions and field evidence. Canadian Journal Of Fisheries And Aquatic Sciences, 62(1), 224-235. http://dx.doi.org/10.1139/F04-185

Bertrand Jacques, Cochard Marie-Laure, Coppin Franck, Le Pape Olivier, Mahe Jean-Claude, Morin Jocelyne, Poulard Jean-Charles, Rochet Marie-Joelle, Schlaich Ivan, Souplet Arnauld, Trenkel Verena, Verin Yves (2005). Poissons et invertébrés au large des côtes de France : Indicateurs issus des pêches scientifiques. Bilan 2002. http://archimer.ifremer.fr/doc/00000/1091/

Trenkel Verena, Lorance Pascal, Mahevas Stephanie (2004). Do visual transects provide true population density estimates for deepwater fish? Ices Journal Of Marine Science, 61(7), 1050-1056. http://dx.doi.org/10.1016/j.icesjms.2004.06.002

Trenkel Verena, Pinnegar John, Rochet Marie-Joelle, Rackham Brian (2004). Different surveys provide similar pictures of trends in a marine fish community but not of individual fish populations. ICES Journal of Marine Science, 61(3), 351-362. Publisher's official version : http://dx.doi.org/10.1016/j.icesjms.2004.01.004 , Open Access version : http://archimer.ifremer.fr/doc/00000/899/

Cadiou Jean-Francois, Trenkel Verena, Rochet Marie-Joelle (2004). Comparison of several methods for in situ size measurements of moving animals. Isope 2004, Toulon, 23-28 mai 2004.

Trenkel Verena, Francis Ricc, Lorance Pascal, Mahevas Stephanie, Rochet Marie-Joelle, Tracey Dm (2004). Availability of deep-water fish to trawling and visual observation from a remotely operated vehicle (ROV). Marine Ecology Progress Series, 284, 293-303. http://dx.doi.org/10.3354/meps284293

Pinnegar J, Trenkel Verena, Tidd A, Dawson W, Du Buit M (2003). Does diet in Celtic Sea fishes reflect prey availability? Journal of Fish Biology, 63(s1), 197-212. Publisher's official version : http://dx.doi.org/10.1111/j.1095-8649.2003.00204.x , Open Access version : http://archimer.ifremer.fr/doc/00000/607/

Trenkel Verena (2003). Density estimator for strip transects when animals show directional movement and observation speed is slow. Computational Statistics & Data Analysis, 44(1-2), 305-312. Publisher's official version : http://dx.doi.org/10.1016/S0167-9473(03)00060-4 , Open Access version : http://archimer.ifremer.fr/doc/00000/6655/

Trenkel Verena, Rochet Marie-Joelle (2003). Performance of indicators derived from abundance estimates for detecting the impact of fishing on a fish community. Canadian Journal Of Fisheries And Aquatic Sciences, 60(1), 67-85. http://dx.doi.org/10.1139/F02-163

Rochet Marie-Joelle, Trenkel Verena (2003). Which community indicators can measure the impact of fishing? A review and proposals. Canadian Journal Of Fisheries And Aquatic Sciences, 60(1), 86-99. http://dx.doi.org/10.1139/F02-164

Rochet Marie-Joelle, Peronnet Isabelle, Trenkel Verena (2002). An analysis of discards from the French trawler fleet in the Celtic Sea. Ices Journal Of Marine Science, 59(3), 538-552. http://dx.doi.org/10.1006/jmsc.2002.1182

Rochet Marie-Joelle, Trenkel Verena, Peronnet Isabelle (2001). Estimation des rejets de peche des chalutiers français en mer Celtique. http://archimer.ifremer.fr/doc/00000/1575/

Trenkel Verena, Elston Da, Buckland St (2000). Fitting population dynamics models to count and cull data using sequential importance sampling. Journal Of The American Statistical Association, 95(450), 363-374.