Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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The MSY concept in a multi-objective fisheries environment - Lessons from the North Sea
Kempf, Alexander ; Mumford, John ; Levontin, Polina ; Leach, Adrian ; Hoff, Ayoe ; Hamon, Katell G. ; Bartelings, Heleen ; Vinther, Morten ; Stäbler, Moritz ; Poos, Jan Jaap ; Smout, Sophie ; Frost, Hans ; Burg, Sander van den; Ulrich, Clara ; Rindorf, Anna - \ 2016
Marine Policy 69 (2016). - ISSN 0308-597X - p. 146 - 158.
Bio-economic - MEY - Mixed fisheries - MSY - Multi species - North Sea

One of the most important goals in current fisheries management is to maintain or restore stocks above levels that can produce the maximum sustainable yield (MSY). However, it may not be feasible to achieve MSY simultaneously for multiple species because of trade-offs that result from interactions between species, mixed fisheries and the multiple objectives of stakeholders. The premise in this study is that MSY is a concept that needs adaptation, not wholesale replacement. The approach chosen to identify trade-offs and stakeholder preferences involved a process of consulting and discussing options with stakeholders as well as scenario modelling with bio-economic and multi-species models. It is difficult to intuitively anticipate the consequences of complex trade-offs and it is also complicated to address them from a political point of view. However, scenario modelling showed that the current approach of treating each stock separately and ignoring trade-offs may result in unacceptable ecosystem, economic or social effects in North Sea fisheries. Setting FMSY as a management target without any flexibility for compromises may lead to disappointment for some of the stakeholders. To treat FMSY no longer as a point estimate but rather as a "Pretty Good Yield" within sustainable ranges was seen as a promising way forward to avoid unacceptable outcomes when trying to fish all stocks simultaneously at FMSY. This study gives insights on how inclusive governance can help to reach consensus in difficult political processes, and how science can be used to make informed decisions inside a multi-dimensional trade-off space.

Data requirements, availability and gaps in AEIs in Europe
Vinther, F.P. ; Kudsk, P.K. ; Hutchings, N. ; Kristensen, I.S. ; Poulsen, H.D. ; Oenema, O. ; Elbersen, B. ; Perez-Soba, M. ; Beek, C.L. - \ 2011
Luxembourg : Publications Office of the European Union (EUROSTAT methodologies & working papers 2011 ed) - ISBN 9789279220869 - 216
Training gilts to use a feeder station
Vermeer, H.M. ; Kiezebrink, M.C. ; Werf, J.T.N. van der; Spoolder, H.A.M. - \ 2009
Lelystad : Wageningen UR Livestock Research - 9
dierenwelzijn - varkens - zeugen - varkenshouderij - varkensstallen - varkensvoeding - voedersystemen - diergedrag - dierlijke productie - animal welfare - pigs - sows - pig farming - pig housing - pig feeding - feeding systems - animal behaviour - animal production
Group housing of dry sows is compulsory in Europe from 2013 onwards. Many pig farmers who still have to convert to group housing fear the resulting demand on their ability to interact with individual animals. An example of such interaction is the training of gilts to use economically attractive but complicated feeding systems such as electronic sow feeding stations (ESF). Electronic Sow Feeding is a more complex husbandry system, which requires training from both animal and human. Pig farmers use a wide variety of training methods, ranging from a total free situation where the animals have the possibility to learn the feeding station without human interaction to systems in which the animal is confronted with thorough human interventions. The first method incorporates the risk that some animals do not consume any feed in several days. The second method is more time consuming and sometimes stressful for the animals. If a calm and relaxed training method proves to be an efficient way to train animals, this could also be used in other on farm situations. Wechsler and Lea (2007) concluded that there is a lack of studies focusing on the initial phase after the introduction of farm animals into a new housing system and a lack of studies on the way they learn to use new housing equipment. An assessment of training systems on Danish pig farms (Hansen and Vinther, 2004) has resulted in the advice not to interact too soon and let the animals discover the skills themselves. The way the animals experience the human intervention can be assessed by measuring heart rate variability (HRV) (Von Borell et al., 2007). They state that “HRV is a promising approach for evaluating stress and emotional states in animals”. The results of this project can be used in the knowledge transfer about human animal relationships within the Welfare Quality programme.
Quantification of uncertainty in climate change impact assessment
Downing, T.E. ; Barrow, E.M. ; Brooks, R.J. ; Butterfield, R.E. ; Carter, T.R. ; Harisson, P.A. ; Hulme, M. ; Oleson, J.E. ; Porter, J.R. ; Schellberg, J. ; Semenov, M.A. ; Vinther, F.P. ; Wheeler, T.R. ; Wolf, J. - \ 2000
In: Climate Change, Climatic Variability and Agriculture in Europe / Downing, T.E., Harrison, P.A., Butterfield, R.E., Lonsdale, K.G., Oxford, UK : Environmental Change Institute - ISBN 9781874370222 - p. 435 - 441.
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