Publications, peer-reviewed
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Duncan SE, Hagen W, Fock HO (2024) Mesopelagic fish assemblages in the Mauritanian Upwelling System off Northwest Africa with oxygen as a major driving force. Mar Ecol Progr Ser 733:95-110, DOI:10.3354/meps14524
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Knorrn AH, Wieben KL, Fock HO, Andresen H (2024) Reproductive biology of the electric lanternfish Electrona risso (Myctophidae) and the bigscale fishes Melamphaes polylepis and Scopelogadus mizolepis (Melamphaidae). J Fish Biol 104(1):252-264, DOI:10.1111/jfb.15575
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Martin B, Auel H, Bode-Dalby M, Dudeck T, Duncan SE, Ekau W, Fock HO, Hagen W, Heinatz K, Kaufmann Manfred J, Koppelmann R, Lamont T, Louw D, Moloto T, Sell AF, Thomalla S, Lingen CD van der (2024) Studies of the ecology of the Benguela Current Upwelling System: The TRAFFIC approach. Ecol Stud Anal Synth 248:277-312, DOI:10.1007/978-3-031-10948-5_11
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Sell AF, Maltitz GP von, Auel H, Biastoch A, Bode-Dalby M, Brandt P, Duncan SE, Ekau W, Fock HO, Hagen W, Huggett JA, Koppelmann R, Körner M, Lahajnar N, Martin B, Midgley GF, Rixen T, Lingen CD van der, Verheye HM, Wilhelm MR (2024) Unique Southern African terrestrial and oceanic biomes and their relation to steep environmental gradients. Ecol Stud Anal Synth 248:23-88, DOI:10.1007/978-3-031-10948-5_2
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Duncan SE, Fock HO, Sell AF, Hagen W (2023) Trophic ecology of mesopelagic fishes in the northern and southern Benguela Upwelling Systems revealed through stable isotope patterns. Mar Ecol Progr Ser 725:75-93, DOI:10.3354/meps14455
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Emblemsvag M, Werner K-M, Núñez-Riboni I, Frelat R, Christensen HT, Fock HO, Primicerio R (2022) Deep demersal fish communities respond rapidly to warming in a frontal region between Arctic and Atlantic waters. Global Change Biol 28(9):2979-2990, DOI:10.1111/gcb.16113
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Duncan SE, Sell AF, Hagen W, Fock HO (2022) Environmental drivers of upper mesopelagic fish assemblages in the Benguela Upwelling System. Mar Ecol Progr Ser 688:133-152, DOI:10.3354/meps14017
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Maureaud AA, Frelat R, Pecuchet L, Shackell N, Merigot B, Pinsky ML, Amador K, Anderson SC, Arkhipkin A, Auber A, Barri I, Bell RJ, Belmaker J, Beukhof E, Camara ML, Guevara-Carrasco R, Choi J, Christensen HT, Conner J, Fock HO, et al (2021) Are we ready to track climate-driven shifts in marine species across international boundaries? - A global survey of scientific bottom trawl data. Global Change Biol 27(2):220-236, DOI:10.1111/gcb.15404
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Czudaj S, Koppelmann R, Möllmann C, Schaber M, Fock HO (2021) Community structure of mesopelagic fishes constituting sound scattering layers in the eastern tropical North Atlantic. J Mar Syst 224:103635, DOI:10.1016/j.jmarsys.2021.103635
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Dove S, Tiedemann M, Fock HO (2021) Latitudinal transition of mesopelagic larval fish assemblages in the eastern central Atlantic. Deep Sea Res Pt 1 Oceanogr Res Paper 168:103446, DOI:10.1016/j.dsr.2020.103446
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Stoltenberg I, Werner K-M, Ismar-Rebitz SMH, Fock HO (2021) Trophic niche variability influences body condition of female Atlantic cod (Gadus morhua) on organosomatic and biochemical levels. Fish Res 239:105921, DOI:10.1016/j.fishres.2021.105921
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Czudaj S, Giesemann A, Hoving H-JT, Koppelmann R, Lüskow F, Möllmann C, Fock HO (2020) Spatial variation in the trophic structure of micronekton assemblages from the eastern tropical North Atlantic in two regions of differing productivity and oxygen environments. Deep Sea Res Pt 1 Oceanogr Res Paper 163:103275, DOI:10.1016/j.dsr.2020.103275
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Gislason H, Collie J, MacKenzie BR, Nielsen A, de Fatima Borges M, Bottari T, Chaves C, Dolgov AV, Dulcic J, Duplisea D, Fock HO, Gascuel D, Gil de Sola L, Hiddink JG, Hofstede Rter, Isajlovic I, Jonasson JP, Jørgensen O, Kristinsson K, Marteinsdottir G, et al (2020) Species richness in North Atlantic fish: Process concealed by pattern. Global Ecol Biogeogr 29(5):842-856, DOI:10.1111/geb.13068
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Post SL, Fock HO, Jansen T (2019) Blue whiting distribution and migration in Greenland waters. Fish Res 212:123-135, DOI:10.1016/j.fishres.2018.12.007
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Werner K-M, Taylor MH, Diekmann R, Lloret J, Möllmann C, Primicerio R, Fock HO (2019) Evidence for limited adaptive responsiveness to large-scale spatial variation of habitat quality. Mar Ecol Progr Ser 629:179-191, DOI:10.3354/meps13120
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Laptikhovsky V, Fock HO, Piatkowski U, Schwarz R, Hoving H-JT (2019) Reproductive strategies of deep-sea squid (Mastigoteuthidae, Chiroteuthidae, Batoteuthidae and Cranchiidae). Mar Biol 166:85, DOI:10.1007/s00227-019-3532-2
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Fock HO, Czudaj S (2019) Size structure changes of mesopelagic fishes and community biomass size spectra along a transect from the equator to the Bay of Biscay collected in 1966-1979 and 2014-2015. ICES J Mar Sci 76(3):755-770, DOI:10.1093/icesjms/fsy068
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Amoroso RO, Pitcher R, Rijnsdorp AD, McConnaughey RA, Parma AM, Suuronen P, Eigaard OR, Bastardie F, Hintzen NT, Althaus F, Baird SJ, Black J, Buhl-Mortensen L, Campbell AB, Catarino R, Collie J, Cowan Jr JH, Durholtz D, Engstrom N, Fock HO, et al (2018) Bottom trawl fishing footprints on the world's continental shelves. Proc Nat Acad Sci USA 115(43):E10275–E10282, DOI:10.1073/pnas.1802379115
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Tiedemann M, Fock HO, Döring J, Badji LB, Möllmann C (2018) Water masses and oceanic eddy regulation of larval fish assemblages along the Cape Verde Frontal Zone. J Mar Syst 183:42-55, DOI:10.1016/j.jmarsys.2018.03.004
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Frelat R, Lindegren M, Dencker TS, Floeter J, Fock HO, Sguotti C, Stäbler M, Otto SA, Möllmann C (2017) Community ecology in 3D: Tensor decomposition reveals spatio-temporal dynamics of large ecological communities. PLoS One 12(11):e0188205, DOI:10.1371/journal.pone.0188205
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Tiedemann M, Fock HO, Brehmer P, Döring J, Möllmann C (2017) Does upwelling intensity determine larval fish habitats in upwelling ecosystems? The case of Senegal and Mauretania. Fisheries Oceanogr 26(6):655-667, DOI:10.1111/fog.12224
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Eigaard OR, Bastardie F, Hintzen NT, Buhl-Mortensen L, Buhl-Mortensen P, Catarino R, Dinesen GE, Egekvist J, Fock HO, Geitner K, Gerritsen HD, Marin-Gonzalez M, Jonsson P, Kavadas S, Laffargue P, Lundy M, Gonzalez-Mirelis G, Nielsen JR, Papadopoulou N, Posen PE, et al (2017) The footprint of bottom trawling in European waters: distribution, intensity, and seabed integrity. ICES J Mar Sci 74(3):847-865, DOI:10.1093/icesjms/fsw194
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Sommerfeld J, Mendel B, Fock HO, Garthe S (2016) Combining bird-borne tracking and vessel monitoring system data to assess discard use by a scavenging marine predator, the lesser black-backed gull Larus fuscus. Mar Biol 163:116, DOI:10.1007/s00227-016-2889-8
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Fock HO, Kraus G (2016) From metaphors to formalism: a heuristic approach to holistic assessments of ecosystem health. PLoS One 11(8):e0159481, DOI:10.1371/journal.pone.0159481
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Garthe S, Schwemmer P, Paiva VH, Cormann A-M, Fock HO, Voigt CC, Adler S (2016) Terrestrial and marine foraging strategies of an opportunistic seabird species breeding in the Wadden Sea. PLoS One:19 S., DOI:10.1371/journal.pone.0159630
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Bastardie F, Nielsen JR, Eigaard OR, Fock HO, Jonsson P, Bartolino V (2015) Competition for marine space: modelling the Baltic Sea fisheries and effort displacement under spatial restrictions. ICES J Mar Sci 72(3):824-840, DOI:10.1093/icesjms/fsu215
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Münster J, Klimpel S, Fock HO, MacKenzie K, Kuhn T (2015) Parasites as biological tags to track an ontogenetic shift in the feeding behaviour of Gadus morhua off West and East Greenland. Parasitol Res 114(7):2723-2733, DOI:10.1007/s00436-015-4479-y
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Stelzenmüller V, Fock HO, Gimpel A, Rambo H, Diekmann R, Probst WN, Callies U, Bockelmann F, Neumann H, Kröncke I (2015) Quantitative environmental risk assessments in the context of marine spatial management: current approaches and some perspectives. ICES J Mar Sci 72(3):1022-1042, DOI:10.1093/icesjms/fsu206
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Fock HO, Kloppmann MHF, Probst WN (2014) An early footprint of fisheries: Changes for a demersal fish assemblage in the German Bight from 1902-1932 to 1991-2009. J Sea Res 85:325-335, DOI:10.1016/j.seares.2013.06.004
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Fock HO (2014) Estimating historical trawling effort in the German Bight from 1924 to 1938. Fish Res 154:26-27, DOI:10.1016/j.fishres.2014.02.001
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Fock HO (2014) Patterns of extirpation. I. Changes in habitat use by thornback rays Raja clavata in the German Bight for 1902-1908, 1930-1932, and 1991-2009. Endang Species Res 25:197-207, DOI:10.3354/esr00582
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Fock HO, Probst WN, Schaber M (2014) Patterns of extirpation. II. The role of connectivity in the decline and recovery of elasmobranch populations in the German Bight as inferred from survey data. Endang Species Res 25(3):209-223, DOI:10.3354/esr00583
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Beare D, Rijnsdorp AD, Blaesbjerg M, Damm U, Egekvist J, Fock HO, Kloppmann MHF, Röckmann C, Schröder A, Schulze T, Tulp I, Ulrich C, Hal R van, Kooten T van, Verweij M (2013) Evaluating the effect of fishery closures: Lessons learnt from the Plaice Box. J Sea Res 84:49-60, DOI:10.1016/j.seares.2013.04.002
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Sonntag N, Schwemmer H, Fock HO, Bellebaum J, Garthe S (2012) Seabirds, set-nets, and conservation management: assessment of conflict potential and vulnerability of birds to bycatch in gillnets. ICES J Mar Sci 69(4):578-589, doi:10.1093/icesjms/fss030
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Probst WN, Stelzenmüller V, Fock HO (2012) Using cross-correlations to assess the relationship between time-lagged pressure and state indicators: an exemplary analysis of North Sea fish population indicators. ICES J Mar Sci 69(4):670-681, doi:10.1093/icesjms/fss015
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Stelzenmüller V, Schulze T, Fock HO, Berkenhagen J (2011) Integrated modelling tools to support risk-based decision-making in marine spatial management. Mar Ecol Progr Ser 441:197-212, doi:10.3354/meps09354
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Fock HO (2011) Integrating multiple pressure at different spatial and temporal scales: a concept for relative ecological risk assessment in the European marine environment. Human Ecol Risk Assess 17(1):187-211, doi:10.1080/10807039.2011.538634
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Fock HO, Kloppmann MHF, Stelzenmüller V (2011) Linking marine fisheries to environmental objectives: a case study on seafloor integrity under European maritime policies. Environ Sci Pol 14(3):289-300, DOI:10.1016/j.envsci.2010.11.005
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Fock HO (2011) Natura 2000 and the European Common Fisheries Policy. Mar Policy 35(2):181-188, DOI:10.1016/j.marpol.2010.09.003
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Berkenhagen J, Döring R, Fock HO, Kloppmann MHF, Pedersen SA, Schulze T (2010) Decision bias in marine spatial planning of offshore wind farms: Problems of singular versus cumulative assessments of economic impacts on fisheries. Mar Policy 34(3):733-736, DOI:10.1016/j.marpol.2009.12.004
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Fock HO, Ehrich S (2010) Deep-sea pelagic nekton biomass estimates in the North Atlantic: horizontal and vertical resolution of revised data from 1982 and 1983. J Appl Ichthyol 26:85-101, DOI:10.1111/j.1439-0426.2010.01450.x
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Fock HO (2009) Deep-sea pelagic ichthyonekton diversity in the Atlantic Ocean and the adjacent sector of the Southern Ocean. Global Ecol Biogeogr 18(2):178-191, DOI:10.1111/j.1466-8238.2008.00435.x
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Pedersen SA, Fock HO, Sell AF (2009) Mapping fisheries in the German exclusive economic zone with special reference to offshore Natura 2000 sites. Mar Policy 33(4):571-590, DOI:10.1016/j.marpol.2008.12.007
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Herr H, Fock HO, Siebert U (2009) Spatio-temporal associations between harbour porpoise Phocoena phocoena and specific fisheries in the German Bight. Biol Conserv 142(12):2962-2972, DOI:10.1016/j.biocon.2009.07.025
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Fock HO (2008) Driving-forces for Greenland offshore groundfish assemblages : interplay of climate, ocean productivity and fisheries. J Northwest Atlant Fish Sci 39:103-118
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Fock HO (2008) Fisheries in the context of marine spatial planning : defining principal areas for fisheries in the German EEZ. Mar Policy 32(4):728-739, DOI:10.1016/j.marpol.2007.12.010
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Pedersen SA, Fock HO, Krause J, Pusch C, Sell AF, Böttcher U, Rogers SI, Sköld M, Skov H, Podolska M, Piet GJ, Rice JC (2008) Natura 2000 sites and fisheries in German offshore waters. ICES J Mar Sci 65(9):155-169, DOI:10.1093/icesjms/fsn193
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Fock HO, John HC (2006) Fish larval patterns across the Reykjanes Ridge. Mar Biol Res 2(3):191-199, doi:10.1080/17451000600784159
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Zidowitz H, Fock HO, Pusch C, Westernhagen H von (2004) A first record of Isistius plutodus in the north-eastern Atlantic. J Fish Biol 64(5):1430-1434, DOI:10.1111/j.0022-1112.2004.00382.x
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Matthiessen B, Fock HO (2004) A null model for the analysis of dietary overlap in Macroramphosus spp. at the Great Meteor seamount (NE Atlantic). Arch Fish Mar Res 51:294-304
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Fock HO, Zidowitz H (2004) Episodic recruitment to seamount populations: evidence from Zenopsis conchifer at the Great Meteor seamount (NE Atlantic, 30°N, 28.5°W). Arch Fish Mar Res 51:287-293
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Fock HO, Westernhagen H von (2004) Preface. Arch Fish Mar Res 51:7-8
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Fock HO, Pusch C, Ehrich S (2004) Structure of deep-sea pelagic fish assemblages in relation to the Mid-Atlantic Ridge (45°-50° N). Deep Sea Res Pt 1 Oceanogr Res Paper 51(7):953-978, DOI:10.1016/j.dsr.2004.03.004
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Zidowitz H, Fock HO (2004) Trophic ecology of Zenopsis conchifer (lowe, 1852) at the Great Meteor Seamount (subtropical North-east Atlantic). Arch Fish Mar Res 51:279-286
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Fock HO (2003) Changes in the seasonal cycles of inorganic nutrients in the coastal zone of the southeastern North Sea from 1960 to 1997: effects of eutrophication and sensitivity to meteoclimatic factors. Mar Pollut Bull 46(11):1434-1449, DOI:10.1016/S0025-326X(03)00287-X
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Matthiessen B, Fock HO, Westernhagen H von (2003) Evidence for two sympatric species of snipefishes Macroramphosus spp. (Syngnathiformes, Centriscidae) on Great Meteor Seamount. Helgol Mar Res 57(1):63-72, DOI:10.1007/s10152-002-0133-z
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Fock HO, Greve W (2002) Analysis and interpretation of recurrent spatio-temporal patterns in zooplankton dynamics: a case study on Noctiluca scintillans (Dinophyceae) in the German Bight (North Sea). Mar Biol 140(1):59-73
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Fock HO, Uiblein F, et al (2002) Biodiversity and species-environment relationships of the demersal fish assemblage at the Great Meteor Seamount (subtropical NE Atlantic), sampled by different trawls. Mar Biol 141(1):185-199
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Fock HO, Matthiessen B, et al (2002) Diel and habitat dependent resource utilisation of deep-sea fishes at the Great Meteor seamount (subtropical NE Atlantic): niche overlap and support for the sound scattering layer interception hypothesis. Mar Ecol Progr Ser 244:219-233
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Beusekom J van, Fock HO (2001) Wadden sea specific eutrophication criteria. Wadden Sea Ecosystem 14:1-115
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Heyen H, Fock HO (1998) Detecting relationships between the interannual variability in ecological time series and climate using a multivariate statistical approach - a case study on Helgoland Roads zooplankton. Clim Res 10:179-191
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Fock HO (1997) Litorale Endofaunalebensgemeinschaften des schleswig-holsteinischen Wattenmeeres sowie der Elbe und Eider unter besonderer Berücksichtigung des oberen Eu- und unteren Supralitorals. Faunist Ökol Mitt Suppl 23:63-121
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Meyer H, Fock HO (1995) The structure of the invertebrate fauna of salt marshes of the Wadden Sea coast of Schleswig-Holstein influenced by sheep-grazing. Helgoländer Meeresunters 49:563-589
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Fock HO, Reinke HD (1994) Structure, diversity and stability of a salt marsh hemiedaphic invertebrate community. Ophelia Suppl 6:297-314
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Fock HO (1992) Fluctuations of the estuarine fauna and the need of estuarine protection in anticipation of climatic changes. Publ Ser Neth Inst Sea Res 20:247-250
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Michaelis H, Fock HO (1992) The status of the intertidal zoobenthic brackish-water species in estuaries of the German Bight. Publ Ser Neth Inst Sea Res 30:201-207
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Fock HO (1991) Auswirkungen von Klimaschwankungen auf die Zönosen im Oberen Eulitoral. Verhandl Gesellsch Ökol Beih 2:167-170