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Non peer-reviewed publications, Prof. Dr. Ulfert Focken
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Stupak N, Hajati M-C, Berglund M, Braun S, Emde FA, Feike T, Focken U, Gossen U, Haltenhof A, Hübsch L, Kruse S, Lengsfeld H, Lindenmaier A, Ohm S, Ott T, Pahl T, Petgen M, Petzold R, Poyda A, Schwärzel K, et al (2024) Fokus Wasser - Folgen des Klimawandels und Maßnahmen zur Anpassung : Beispiele und Lösungsansätze für Wechselwirkungen zwischen Wasserwirtschaft, Landwirtschaft, Forstwirtschaft, Aquakultur und Binnenfischerei. LAWA & BBLAG ALFFA, v, 95 p
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Klinkmann D, Kreiß C, Focken U (2024) Hemmnisse und Verbesserungspotenziale der Öko-Aquakultur in Deutschland. Ber Landwirtsch 102(1), DOI:10.12767/buel.v102i3.507
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Kreiß C, Brüning S, Barrelet J, Focken U, Reiser S (2023) Steckbriefe zur Tierhaltung in Deutschland: Aquakultur. Bremerhaven: Thünen-Institut für Fischereiökologie und Thünen-Institut für Seefischerei, 17 p
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Salehi H, Reiser S, Focken U (2022) Development of sustainable feeds for rainbow trout based on locally available feed resources in the Islamic Republic of Iran. Bremerhaven: Thünen Institute of Fisheries Ecology, 1 p, Project Brief Thünen Inst 2022/28a, DOI:10.3220/PB1658749776000
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Salehi H, Reiser S, Focken U (2022) Entwicklung nachhaltiger Futtermittel für Regenbogenforellen aus lokal verfügbaren Futtermittelkomponenten in der Islamischen Republik Iran. Bremerhaven: Thünen-Institut für Fischereiökologie, 1 p, Project Brief Thünen Inst 2022/28, DOI:10.3220/PB1658749491000
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Edebohls I, Lasner T, Focken U, Kreiß C, Reiser S (2021) Steckbriefe zur Tierhaltung in Deutschland: Aquakultur [online]. Braunschweig: Johann Heinrich von Thünen-Institut, 24 p, zu finden in <https://www.thuenen.de/media/ti-themenfelder/Nutztierhaltung_und_Aquakultur/Aquakultur/Steckbrief_Aquakultur_in_Deutschland_2021.pdf> [zitiert am 08.04.2021]
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Isermeyer F, Nieberg H, Banse M, Bolte A, Christoph-Schulz IB, Dauber J, Witte T de, Dehler M, Döring R, Elsasser P, Fock HO, Focken U, Freund F, Goti L, Heidecke C, Kempf A, Koch G, Kraus G, Krause A, Kroiher F, Lasner T, Lüdtke J, Olbrich A, Osterburg B, Pelikan J, Probst WN, Rahmann G, Reiser S, Rock J, Röder N, Rüter S, Sanders J, Stelzenmüller V, Zimmermann C (2020) Auswirkungen aktueller Politikstrategien (Green Deal, Farm-to-Fork, Biodiversitätsstrategie 2030; Aktionsprogramm Insektenschutz) auf Land- und Forstwirtschaft sowie Fischerei. Braunschweig: Johann Heinrich von Thünen-Institut, 102 p, Thünen Working Paper 156, DOI:10.3220/WP1600775202000
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Becke C, Beeck P, Behrmann-Godel J, Brinker A, Fey D, Focken U, Füllner G, Hanel R, Harder H, Lasner T, Lemcke R, Momme M, Posselt U, Reiser S, Reiter R, Stapel J, Scharsack JP, Schiller T, Schmekel K, Schmidt G, et al (2020) Nationaler Strategieplan Aquakultur NASTAQ 2021 - 2030 für Deutschland. Bonn: Bundesministerium für Ernährung und Landwirtschaft (BMEL), 157 p
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Edebohls I, Kreiß C, Focken U, Lasner T, Reiser S (2020) Steckbriefe zur Tierhaltung in Deutschland: Aquakultur. Braunschweig: Johann Heinrich von Thünen-Institut, 23 p
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Svasand T, Asplin L, Boyd A, Ellis T, Keeley NB, Moberg O, Burgetz I, Engler C, Falconer L, Focken U, Grefsrud ES, Hui L, Jakobsen G, Laksa U, Lock E-J, McKindsey C, Moore A, Morris D, á Nordi G, O'Beirn F, et al (2020) Working Group on Environmental Interactions of Aquaculture (WGEIA). Copenhagen: ICES, 187 p, ICES Sci Rep 2(112), DOI:10.17895/ices.pub.7619
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Sähn N, Reiser S, Hanel R, Focken U (2017) Verfügbarkeit umweltrelevanter Daten zur deutschen Süßwasseraquakultur. Braunschweig: Johann Heinrich von Thünen-Institut, 82 p, Thünen Rep 47, DOI:10.3220/REP1490946376000
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Focken U (2016) Drei Fragen an ... : Prof.Dr. Ulfert Focken. Forschungsfelder(4):22
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Focken U, Krome C, Jauncey K (2015) Do oxalates from plant-based aquafeeds impede growth of common carp Cyprinus carpio? In: University of Belgrade, Serbia / Faculty of Agriculture (eds) VII International Conference Water & Fish : Conference Proceedings ; June 10-12, 2015. Belgrade: University of Belgrade, Serbia / Faculty of Agriculture, pp 49-55
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Pucher J, Hölzle L, Thomas A, Focken U, Schlechtriem C, Feucht Y, Schumann M, Váradi L, et al (2015) Freshwater aquaculture in central and eastern Europe: Needs for research and development. In: University of Belgrade, Serbia / Faculty of Agriculture (eds) VII International Conference Water & Fish : Conference Proceedings ; June 10-12, 2015. Belgrade: University of Belgrade, Serbia / Faculty of Agriculture, pp 18-22
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Pucher J, Nikolaevskaya E, Focken U (2014) Apparent digestibility of earthworm meal in plant-based feeds for Nile Tilapia, Oreochromis niloticus (L.). In: Tielkes E (ed) Tropentag 2014 : Bridging the gap between the increasing knowledge and decreasing resources ; Book of abstracts ; Wednesday - Friday, Sept. 17-19, 2014 Czech University of Life Sciences Prague. Prague: Czech University of Life Sciences, p 158
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Krome C, Jauncey K, Focken U (2014) Development of aquafeeds for tilapia and carp using detoxified Jatropha carcas meal as protein source. In: Tielkes E (ed) Tropentag 2014 : Bridging the gap between the increasing knowledge and decreasing resources ; Book of abstracts ; Wednesday - Friday, Sept. 17-19, 2014 Czech University of Life Sciences Prague. Prague: Czech University of Life Sciences, p 163
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Pucher J, Mayrhofer R, El-Matbouli M, Focken U (2013) 15N tracer application to evaluate nitrogen dynamics of food webs in two subtropical small scale aquaculture ponds under different managements. In: Book of abstracts / Jahrestagung der Arbeitsgemeinschaft Stabile Isotope (ASI), 30.09.-02.10.2013, Braunschweig.
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Pucher J, Steinbronn S, Nguyen NT, Dongmeza E, Mayrhofer R, El-Matbouli M, Focken U (2013) Improved Sustainable Aquaculture Systems for Small-Scale Farmers in Northern Vietnam. In: Book of abstracts / Aquaculture 2013, Nov. 3-7, 2013, Las Palmas de GC, Spanien.
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Pucher J, Focken U (2013) Intensification of common carp culture in rural areas of Northern Vietnam by plant-based feeds with protein sources of different qualities. In: Conference Proceedings : VI International Conference "Water & Fish ; Belgrade, Serbia ; 12-14 June 2013. Belgrade: Univ, pp 44-49
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Lawrence P, Weinreich O, Stadtlander T, Focken U, Levavi Sivan B, Dweik H, Qutob M, Abu-Lafi S, Kerem Z, Becker K (2013) Oxygen consumption of tilapia eggs/larvae up to 12.25 days after ferilisation. In: Proceedings / 10th International Symposium on Tilapia in Agriculture : Oct 6-10,2013, Jerusalem, Israel. pp 158-159
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Stadtlander T, Levavi Sivan B, Kerem Z, Qutob M, Abu-Lafi S, Dweik H, Weinreich O, Lawrence P, Focken U, Becker K (2013) Saponin fractions from fenugreek, Trigonella foenum graecum L. and the soap bark tree, Quillaja saponaria L., as dietary additives for Nile tilapia, Oreochromis niloticus (L.). In: Proceedings / 10th International Symposium on Tilapia in Agriculture : Oct 6-10,2013, Jerusalem, Israel. pp 1-13
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Krome C, Jauncey K, Focken U (2013) Testing two different phytases in a Jatrophas curcas kernel meal based diet for Nile tilapia, Oreochromis niloticus. In: Proceedings / 10th International Symposium on Tilapia in Agriculture : Oct 6-10,2013, Jerusalem, Israel. pp 1-10
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Pucher J, Nguyen NT, Trinh THY, Mayrhofer R, El-Matbouli M, Focken U (2012) Earthworm meal as alternative animal protein source for full and supplemental feeds for common carp (Cyprinus carpio L.). In: International Conference "Sustainable Land Use and Rural Development in Mountain Areas" : Hohenheim, Stuttgart, Germany, 16-18 April 2012. pp 167-168
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Pucher J, Nguyen NT, Yen TTH, Mayrhofer R, El-Matbouli M, Focken U (2012) Feeding fish without fishmeal: earthworm meal as alternative animal protein source in rural areas. In: Tropentag 2012 : Resilience of agricultural systems against crises. Göttingen: Cuvillier, p 75
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Mayrhofer R, Soliman H, Pucher J, Focken U, El-Matbouli M (2012) Grass-carp mortality in northern Vietnam. In: International Conference "Sustainable Land Use and Rural Development in Mountain Areas" : Hohenheim, Stuttgart, Germany, 16-18 April 2012. pp 169-170
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Krome C, Jauncey K, Focken U (2012) Jatropha curcas Kernel Meal as a protein source in aquaculture diets. In: Tropentag 2012 : Resilience of agricultural systems against crises. Göttingen: Cuvillier, p 1
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Pucher J, Gut T, Mayrhofer R, Lamers M, Streck T, El-Matbouli M, Focken U (2012) Pesticides on feed material for grass carp: toxicology and accumulation in fish. In: International Conference "Sustainable Land Use and Rural Development in Mountain Areas" : Hohenheim, Stuttgart, Germany, 16-18 April 2012. pp 121-122
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Müller JL, Pucher J, Tran TNT, Focken U, Kreuzer M (2012) The potential of vermiculture to produce on-farm feed resources for aquaculture in mountainous areas in North Vietnam. In: International Conference "Sustainable Land Use and Rural Development in Mountain Areas" : Hohenheim, Stuttgart, Germany, 16-18 April 2012. pp 113-114
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Focken U, Dongmeza E, El-Matbouli M, Mayrhofer R, Pucher J, Steinbronn S, Nguyen NT (2012) Upland aquaculture in Yen Chau district (Son La Province, Northern Vietnam): status, limitations and possible innovations for sustainable development. In: International Conference "Sustainable Land Use and Rural Development in Mountain Areas" : Hohenheim, Stuttgart, Germany, 16-18 April 2012. pp 171-172
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Stadtlander T, Khalil WKB, Levavi Sivan B, Dweik H, Qutob M, Abu-Lafi S, Kerem Z, Focken U, Becker K (2011) Effects of saponin fractions from Trigonella foenum-graecum and Balanites aegyptiaca on gene expression of GH, IGF-1 and their respective receptors, growth, nutrient utilization, body composition, oxygen consumption and plasma IGF-1 in Nile tilapia (Oreochromis niloticus, L.). In: Liu L, Fitzsimmons K (eds) Better science, better fish, better life : Proceedings of the ninth International Symposium on Tilapia in Aquaculture. Washington, DC: USAID, pp 245-259
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Acharya L, Pucher J, Schad I, Focken U, Hoffmann V (2011) Intensifying fish pond business: an interdisciplinary innovation study on information needs of black Thai farmers in Chieng Khoi Commune, Vietnam. In: Becker M (ed) Development on the margin : book of abstracts ; [October 5 - 7, 2011, University of Bonn] / Tropentag 2011, international research on food security, natural resource management and rural development. Göttingen: Cuvillier, p 1
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Pucher J, Mayrhofer R, El-Matbouli M, Focken U (2011) Interaction of natural food and supplemental feeding for common carp in semi-intensively managed ponds in the marginal uplands of Son La Province, Northern Vietnam. In: Becker M (ed) Development on the margin : book of abstracts ; [October 5 - 7, 2011, University of Bonn] / Tropentag 2011, international research on food security, natural resource management and rural development. Göttingen: Cuvillier, p 1 p
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Lorenz DM, Focken U (2011) Response of common carp and tilapia to diets based on plant protein supplemented with essential amino acids. In: Markovic Z (ed) V International Conference "Aquaculture & Fishery" : Conference Proceedings. Beograd: Faculty of Agriculture, pp 72-79
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Harter T, Buhrke F, Kumar V, Focken U, Makkar HPS, Becker K (2010) Detoxified jatropha curcas kernel meal as a protein source for White Leg Shrimp (Penaeus vannamei) diet. In: Tielkes E (ed) World food system - a contribution from Europe : book of abstracts. Göttingen: Cuvillier, p 460
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Stadtlander T, Levavi Sivan B, Dweik H, Qutob M, Abu-Lafi S, Kerem Z, Francis G, Focken U, Becker K (2010) Effect of a saponin fraction extracted from Trigonella foenum-graecum L.and two commercially available Saponins on sex ratio and gonad histology of Nile Tilapa (Oreochromis niloticus, L.) Fry. In: Tielkes E (ed) World food system - a contribution from Europe : book of abstracts. Göttingen: Cuvillier, pp 465-466
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Lorenz DM, Focken U, Becker K (2010) Effects of interval feeding on common carp. In: Proceedings / Aquaculture Europe 2010. pp 738-739
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Pucher J, Mayrhofer R, Hung TQ, El-Matbouli M, Focken U (2010) Growth functions of fish species cultured in small scale upland aquaculture systems under traditional and modified pond management schemes in Yen Chau, Northern Viet Nam. In: Tielkes E (ed) World food system - a contribution from Europe : book of abstracts. Göttingen: Cuvillier, p 463
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Pucher J, Mayrhofer R, El-Matbouli M, Focken U (2010) Improvements in pond management and application of low-cost fish feed increase fish production and raise the benefit of small scale aquaculture systems in Yen Chau. In: International symposium Sustainable Land Use and Rural Development in Mountainous Regions of Southeast Asia, Hanoi, 21-23 July 2010 : program and abstracts. pp 25-26
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Mayrhofer R, Soliman H, Saleh M, Pucher J, Focken U, Trang T, El-Matbouli M (2010) Preliminary results on the cause of grass-carp disease outbreak in Yen Chau, Son La Province, Vietnam. In: International symposium Sustainable Land Use and Rural Development in Mountainous Regions of Southeast Asia, Hanoi, 21-23 July 2010 : program and abstracts. pp 103-104
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Steinbronn S, Nguyen NT, Dongmeza E, Focken U (2010) Upland aquaculture in Yen Chau District (Son La province, Northern Vietnam): Role of aquaculture in nutrient flows and livelihoods of local people. In: International symposium Sustainable Land Use and Rural Development in Mountainous Regions of Southeast Asia, Hanoi, 21-23 July 2010 : program and abstracts. p 24
