Patterns of wetland plant diversity along estuarine stress gradients of the Elbe (Germany) and Connecticut (USA) Rivers

References

• Bakker , JP , de , Leeuw J , Dijkema , KS , Leendertse , PC , Prins , HHT and Rozema , J . 1993 . Salt marshes along the coast of The Netherlands . Hydrobiologia , 265 : 73 – 95 .
   Web of Science ®Google Scholar
• Barrett , NE . 1989 . “ Vegetation of the tidal wetlands of the lower Connecticut River: Ecological relationships of plant community-types with respect to flooding and habitat ” . In MSc thesis , Mansfield, CT : Storrs University of Connecticut .
   Google Scholar
• Behre , K . 1996 . “ Die Entstehung und Entwicklung der Natur- und Kulturlandschaft der ostfriesischen Halbinsel ” . In Ostfriesland. Geschichte und Gestalt einer Kulturlandschaft , Edited by: Behre , K and van Lengen , H . Aurich : Ostfriesische Landschaft .
   Google Scholar
• Berghausen , M . 1992 . “ Oberirdische Stoffproduktion von Phragmites australis, Bolboschoenus maritimus und Schoenoplectus tabernaemontani im Süßwasserbereich der Tide-Elbe in Hamburg ” . In Ufervegetation an Elbe und Nordsee , Edited by: Buchholz , M . 75 – 91 . Hamburg : Institut für Angewandte Botanik der Universität Hamburg .
   Google Scholar
• Bertness , MD . 1991 . Interspecific interactions among high marsh perennials in a New England salt marsh . Ecology , 72 : 125 – 137 .
   Web of Science ®Google Scholar
• Bertness , MD and Ellison , AM . 1987 . Determinants of pattern in a New England salt marsh plant community . Ecological Monographs , 57 : 129 – 147 .
   Web of Science ®Google Scholar
• Bertness , MD , Ewanchuk , PJ and Silliman , BR . 2002 . Anthropogenic modification of New England salt marsh landscapes . Proceedings of the National Academy of Sciences , 99 : 1395 – 1398 .
   PubMed Web of Science ®Google Scholar
• Bockelmann , A and Neuhaus , R . 1999 . Competitive exclusion of Elymus athericus from high stress habitat in European salt marsh . Journal of Ecology , 87 : 503 – 513 .
   Web of Science ®Google Scholar
• Brewer , JS , Levine , JM and Bertness , MD . 1997 . Effects of biomass removal and elevation on species richness in a New England salt marsh . Oikos , 80 : 333 – 341 .
   Google Scholar
• Caspers , H . 1959 . Die Einteilung der Brackwasser-Regionen in einem Aestuar . Archivio di Oceanografia e Limnologia , 11 : 153 – 169 .
   Google Scholar
• Chapman , VJ . 1977 . “ Introduction ” . In Wet coastal ecosystems , 1 , Edited by: Chapman , VJ . Amsterdam : Elsevier .
   Google Scholar
• Coops , H , Geilen , N and van der Velde , G . 1999 . Helophyte zonation in two regulated estuarine areas in the Netherlands: Vegetation analysis and relationships with hydrological factors . Estuaries and Coasts , 22 : 657 – 668 .
   Google Scholar
• Crain , CM , Silliman , BR , Bertness , SL and Bertness , MD . 2004 . Physical and biotic drivers of plant distribution across estuarine salinity gradients . Ecology , 85 : 2539 – 2549 .
   Web of Science ®Google Scholar
• Ellenberg , H. 1996 . Vegetation Mitteleuropas mit den Alpen , 5th , Stuttgart : Ulmer .
   Google Scholar
• Engels , JG and Jensen , K . In press. Role of biotic interactions and physical factors in determining the distribution of marsh species along an estuarine salinity gradient Oikos
   Google Scholar
• Garcia , LV , Clemente , L , Maranon , T and Moreno , A . 1993 . Above-ground biomass and species richness in a Mediterranean salt marsh . Journal of Vegetation Science , 4 : 417 – 424 .
   Web of Science ®Google Scholar
• Garniel , A and Mierwald , U . 1996 . “ Changes in the morphology and vegetation along the human-altered shoreline of the Lower Elbe ” . In Estuarine Shores. Evolution, environments and human alterations , Edited by: Nordstrom , KF and Roman , CT . Chichester, , UK : John Wiley & Sons .
   Google Scholar
• Gerdes , G , Petzelberger , BE , Scholz-Böttcher , BM and Streif , H . 2003 . The record of climatic change in the geological archives of shallow marine, coastal, and adjacent lowland areas of Northern Germany . Quaternary science reviews , 22 : 101 – 124 .
   Web of Science ®Google Scholar
• Gough , L , Grace , JB and Taylor , KL . 1994 . The relationship between species richness and community biomass: the importance of environmental variables . Oikos , 70 : 271 – 279 .
   Web of Science ®Google Scholar
• Grace , JB and Pugesek , BH . 1997 . A structural equation model of plant species richness and its application to a coastal wetland . American Naturalist , 149 : 436 – 460 .
   Web of Science ®Google Scholar
• Hacker , SD and Bertness , MD . 1999 . Experimental evidence for factors maintaining plant species diversity in a New England salt marsh . Ecology , 80 : 2064 – 2073 .
   Google Scholar
• Hacker , SD and Gaines , SD . 1997 . Some implications of direct positive interactions for community species diversity . Ecology , 78 : 1990 – 2003 .
   Web of Science ®Google Scholar
• Hackney , CT , Brady , S , Stemmy , L , Boris , M , Dennis , C Hancock , T . 1996 . Does intertidal vegetation indicate specific soil and hydrologic conditions . Wetlands , 16 : 89 – 94 .
   Google Scholar
• Hammer , Ø , Harper , DAT and Ryan , PD . 2001 . PAST. Paleontological Statistics Software Package for Education and Data Analysis Version 1.86b
   Google Scholar
• Harrison , S and Cornell , H . 2008 . Toward a better understanding of the regional causes of local community richness . Ecology Letters , 11 : 969 – 979 .
   PubMed Web of Science ®Google Scholar
• Horne , GS and Patton , PC . 1989 . Bedload-sediment transport through the Connecticut River estuary . Geological Society of America Bulletin , 101 : 805 – 819 .
   Web of Science ®Google Scholar
• Huntley , B . 1993 . Species-richness in north-temperate zone forests . Journal of Biogeography , 20 : 163 – 180 .
   Google Scholar
• Kappenberg , J and Grabemann , I . 2001 . Variability of the mixing zones and estuarine turbidity maxima in the Elbe and Weser Estuaries . Estuaries , 24 : 699 – 706 .
   Google Scholar
• Kausch , H . 1996 . “ Die Elbe - ein immer wieder veränderter Fluss ” . In Warnsignale aus Flüssen und Ästuaren , Edited by: Lozàn , JE and Kausch , H . Berlin : Parey .
   Google Scholar
• Keddy , PA . 2007 . Plants and vegetation. Origins, processes, consequences , Cambridge : Cambridge University Press .
   Google Scholar
• Kerner , M . 2007 . Effects of deepening the Elbe estuary on sediment regime and water quality . Estuarine , 75 : 492 – 500 .
   Google Scholar
• Khedr , AA . 1998 . Vegetation zonation and management in the Damietta estuary of the River Nile . Journal of Coastal Conservation , 4 : 79 – 86 .
   Google Scholar
• Kötter , F . 1961 . Die Pflanzengesellschaften im Tidegebiet der Unterelbe. Archiv für Hydrobiologie, Suppl . Elbe-Ästuar , XXVI : 106 – 184 .
   Google Scholar
• Krebs , CJ . 1999 . Ecological methology , 2nd , Menlo Park, California : Addison Wesley .
   Google Scholar
• Latham , PJ , Pearlstine , LG and Kitchens , WM . 1994 . Species association changes across a gradient of freshwater, oligohaline, and mesohaline tidal marshes along the Lower Savannah River . Wetlands , 14 : 174 – 183 .
   Web of Science ®Google Scholar
• Lenssen , JPM , Menting , FBJ , van der Putten , WH and Blom , CWPM . 2000 . Variation in species composition and species richness within Phragmites australis dominated riparian zones . Plant Ecology , 147 : 137 – 146 .
   Google Scholar
• Londo , G . 1976 . The decimal scale for relevés of permanent quadrats . Vegetatio , 33 : 61 – 64 .
   Google Scholar
• McCune , B and Mefford , MJ . 1999 . PC-ORD. Multivariate analysis of ecological data. Version 4.25 , Gleneden Beach, OR : MjM Software .
   Google Scholar
• Michalet , R , Brooker , RW , La Cavieres , Kikvidze , Z , Lortie , CJ , Pugnaire , FI and Callaway , RM . 2006 . Do biotic interactions shape both sides of the humped-back model of species richness in plant communities? . Ecology Letters , 9 : 767 – 773 .
   PubMed Web of Science ®Google Scholar
• Mitsch , WJ and Gosselink , JG . 2000 . Wetlands , 3rd , New York : John Wiley & Sons .
   Google Scholar
• Odum , WE . 1988 . Comparative ecology of tidal freshwater and salt marshes . Annual Review of Ecology and Systematics , 19 : 147 – 176 .
   Google Scholar
• Oertling , W . 1992 . “ Profil-Typen der Ufer-Vegetation der Unterelbe im Bereich und unterhalb der Mitteltidehochwasser-Linie ” . In Ufervegetation an Elbe und Nordsee , Edited by: Buchholz , M . 37 – 74 . Hamburg : Institut für Angewandte Botanik der Universität Hamburg .
   Google Scholar
• Pärtel , M , Zobel , M , Zobel , K and van der Maarel , E . 1996 . The species pool and its relation to species richness: evidence from Estonian plant communities . Oikos , 75 : 111 – 117 .
   Web of Science ®Google Scholar
• Patton , PC and Horne , GS . 1992 . Response of the Connecticut River estuary to late Holocene sea level rise . Geomorphology , 5 : 391 – 417 .
   Google Scholar
• Preisinger , H . 1991 . Strukturanalyse und Zeigerwert der Auen-und Ufervegetation im Hamburger Hafen-und Hafenrandgebiet , Berlin : J. Cramer .
   Google Scholar
• Raabe , E . 1986 . Die Gliederung der Ufervegetation der Elbe unterhalb Hamburg . Mitteilungen zum Natur- und Umweltschutz Hamburg , 2 : 117 – 141 .
   Google Scholar
• Reid , EM . 1935 . British floras antecedent to the Great Ice Age. Proceedings of the Royal Society of London . Series B - Biological Sciences , 118 : 197 – 241 .
   Google Scholar
• Ricklefs , RE . 2006 . Evolutionary diversification and the origin of the diversity-environment relationship . Ecology , 87 : 3 – 13 .
   PubMedGoogle Scholar
• Scrosati , R and Heaven , C . 2007 . Spatial trends in community richness, diversity, and evenness across rocky intertidal environmental stress gradients in eastern Canada . Marine Ecology Progress Series , 342 : 1 – 14 .
   Google Scholar
• Sharpe , PJ and Baldwin , AH . 2009 . Patterns of wetland plant species richness across estuarine gradients of Chesapeake Bay . Wetlands , 29 : 225 – 235 .
   Web of Science ®Google Scholar
• Sokal , RR and Rohlf , FJ . 2005 . Biometry , 4th , New York : WH Freeman .
   Google Scholar
• Stirling , G and Wilsey , B . 2001 . Empirical relationships between species richness, evenness, and proportional diversity . The American Naturalist , 158 : 286 – 299 .
   PubMed Web of Science ®Google Scholar
• Thienemann , A . 1956 . Leben und Umwelt , Hamburg : Rowohlt .
   Google Scholar
• USDA NRCS. 2009. The PLANTS database. National Plant Data Center. Available from[updated: 2009 March 4]. Baton Rouge (LA) http://plants.usda.gov
   Google Scholar
• Wisskirchen , R and Haeupler , H . 1998 . Standardliste der Farn- und Blütenpflanzen Deutschlands , Stuttgart : Ulmer .
   Google Scholar
• Wisskirchen , R , Haeupler , H , Albers , F and Adolphi , K . 1998 . Standardliste der Farn- und Blütenpflanzen Deutschlands , Stuttgart : Ulmer .
   Google Scholar
• Zobel , M . 1997 . The relative role of species pools in determining plant species richness: an alternative explanation of species coexistence? . Trends in Ecology & Evolution , 12 : 266 – 269 .
   PubMed Web of Science ®Google Scholar