Marine and Freshwater Research Marine and Freshwater Research Society
Advances in the aquatic sciences
RESEARCH ARTICLE

Modelling the response of floodplain aquatic assemblages across the lateral hydrological connectivity gradient

B. Gallardo A C , S. Gascón B , M. González-Sanchís A , A. Cabezas A and F. A. Comín A

A Pyrenean Institute of Ecology – Spanish Council of Science, Avda. Montañana 1005, 50192 Zaragoza, Spain.

B Institute of Aquatic Ecology – Faculty of Sciences, University of Girona 17071, Girona, Spain.

C Corresponding author. Email: belinda@ipe.csic.es or galla82@hotmail.com

Marine and Freshwater Research 60(9) 924-935 http://dx.doi.org/10.1071/MF08277
Submitted: 2 October 2008  Accepted: 24 February 2009   Published: 22 September 2009

Abstract

Hydrological connectivity is one of the main controlling factors of habitats and aquatic assemblages on river floodplains. Nevertheless, the lack of universal measures of river–floodplain connectivity (i.e. the lateral hydrological connectivity, LHC) limits the comparison of the response of aquatic assemblages to hydrological connectivity and impedes the understanding of floodplain functioning across different systems. To address these needs, we tested the ability of six different LHC surrogates to model changes in richness, abundance and composition of aquatic assemblages across a Mediterranean floodplain (Ebro River, NE Spain). As shown by generalised additive models, LHC surrogates explained 15% to 65% of the richness and abundance of aquatic assemblages. Zooplankton, macroinvertebrates and phytoplankton showed overlapping peaks of richness at flood duration rates of 5, 15 and 30 days year–1 respectively. Redundancy analyses showed that LHC surrogates explained 17% to 37% of aquatic assemblage composition. Distance to the river and flood duration were the most important determinants of macroinvertebrate composition, whereas flood magnitude and water-level variability best accounted for the variance in zooplankton and phytoplankton compositions. Models based on LHC surrogates such as those presented here can help in predicting the consequences of restoration measures and may be useful in setting restoration goals for aquatic assemblages.

Additional keywords: flood duration, generalised additive model, macroinvertebrates, phytoplankton, rarefied richness, redundancy analysis, zooplankton.


References

Amoros C.Bornette G.2002Connectivity and biocomplexity in waterbodies of riverine floodplains.Freshwater Biology47761776doi:10.1046/J.1365-2427.2002.00905.X

Angeler D. G.2001The influence of Procambarus clarkii (Cambaridae, Decapoda) on water quality and sediment characteristics in a Spanish floodplain wetland.Hydrobiologia4648998doi:10.1023/A:1013950129616

Arscott D. B.Tockner K.Ward J. V.2005Lateral organization of aquatic invertebrates along the corridor of a braided floodplain river.Journal of the North American Benthological Society24934954doi:10.1899/05-037.1

Baranyi C.Hein T.Holarek C.Keckeis S.Schiemer F.2002Zooplankton biomass and community structure in a Danube River floodplain system: effects of hydrology.Freshwater Biology47473482doi:10.1046/J.1365-2427.2002.00822.X

Bornette G.Henry C.Barrat M. H.Amoros C.1994Theoretical habitat templets, species traits, and species richness – aquatic macrophytes in the Upper Rhone River and its floodplain.Freshwater Biology31487505doi:10.1111/J.1365-2427.1994.TB01753.X

Buijse A. D.Coops H.Staras M.Jans L. H.Van Geest G. J.et al.2002Restoration strategies for river floodplains along large lowland rivers in Europe.Freshwater Biology47889907doi:10.1046/J.1365-2427.2002.00915.X

Cabezas A.González E.Gallardo B.García M.González M.et al.2008Effects of hydrological connectivity on the substrate and understory structure of riparian wetlands in the Middle Ebro River (NE Spain): implications for restoration and management.Aquatic Sciences70361376doi:10.1007/S00027-008-8059-4

Castella E.Adalsteinsson H.Brittain J. E.Gislason G. M.Lehmann A.et al.2001Macrobenthic invertebrate richness and composition along a latitudinal gradient of European glacier-fed streams.Freshwater Biology4618111831doi:10.1046/J.1365-2427.2001.00860.X

Connell J. H.1978Diversity in tropical rain forests and coral reefs – high diversity of trees and corals is maintained only in a non-equilibrium state.Science19913021310

Davidson N. L.Kelso W. E.Rutherford D. A.2000Characteristics of cladoceran and copepod communities in floodplain habitats of the Atchafalaya River basin.Hydrobiologia43599107
doi:10.1023/A:1004064806352

Ferris J. A.Lehman J. T.2007Inter-annual variation in diatom bloom dynamics: roles of hydrology, nutrient limitation, sinking, and whole lake manipulation.Water Research4125512562doi:10.1016/J.WATRES.2007.03.027

Foeckler F.Deichner O.Schmidt H.Castella E.2006Suitability of molluscs as bioindicators for meadow- and flood-channels of the Elbe-floodplains.International Review of Hydrobiology91314325doi:10.1002/IROH.200610887

Frisch D.Libman B. S.D’Surney S. J.Threlkeld S. T.2005Diversity of floodplain copepods (Crustacea) modified by flooding: species richness, diapause strategies and population genetics.Archiv fuer Hydrobiologie162117doi:10.1127/0003-9136/2005/0162-0001

Galat D. L.Fredrickson L. H.Humburg D. D.Bataille K. J.Bodie J. R.et al.1998Flooding to restore connectivity of regulated, large-river wetlands – natural and controlled flooding as complementary processes along the lower Missouri River.Bioscience48721733

Gallardo B.García M.Cabezas A.González E.González M.et al.2008Macroinvertebrate patterns along environmental gradients and hydrological connectivity within a regulated river–floodplain.Aquatic Sciences70248258
doi:10.1007/S00027-008-8024-2

Gascón S.Brucet S.Sala J.Boix D.Quintana X. D.2007Comparison of the effects of hydrological disturbance events on benthos and plankton salt marsh communities.Estuarine, Coastal and Shelf Science74419428doi:10.1016/J.ECSS.2007.04.031

Gasith A.Resh V. H.1999Streams in Mediterranean climate regions: abiotic influences and biotic responses to predictable seasonal events.Annual Review of Ecology and Systematics305181doi:10.1146/ANNUREV.ECOLSYS.30.1.51

Gotelli N. J.Colwell R. K.2001Quantifying biodiversity: procedures and pitfalls in the measurement and comparison of species richness.Ecology Letters4379391doi:10.1046/J.1461-0248.2001.00230.X

Heiler G.Hein T.Schiemer F.Bornette G.1995Hydrological connectivity and flood pulses as the central aspects for the integrity of a river–floodplain system.Regulated Rivers: Research and Management11351361doi:10.1002/RRR.3450110309

Hein T.Baranyi C.Herndl G. J.Wanek W.Schiemer F.2003Allochthonous and autochthonous particulate organic matter in floodplains of the River Danube: the importance of hydrological connectivity.Freshwater Biology48220232doi:10.1046/J.1365-2427.2003.00981.X

Hope A. C. A.1968A simplified Monte Carlo significance test procedure.Journal of the Royal Statistical Society. Series B, StatisticalMethodology30582598

James C. S.Thoms M. C.Quinn G. P.2008Zooplankton dynamics from inundation to drying in a complex ephemeral floodplain–wetland.Aquatic Sciences70259271
doi:10.1007/S00027-008-8034-0

Jenkins K. M.Boulton A. J.2003Connectivity in a dryland river: short-term aquatic microinvertebrate recruitment following floodplain inundation.Ecology8427082723doi:10.1890/02-0326

Joly P.Morand A.1994Theoretical habitat templets, species traits, and species richness - amphibians in the Upper Rhone River and its floodplain.Freshwater Biology31455468doi:10.1111/J.1365-2427.1994.TB01751.X

Jones R.2000Mixotrophy in planktonic protists: an overview.Freshwater Biology45219226doi:10.1046/J.1365-2427.2000.00672.X

Juget J.Lafont M.1994Theoretical habitat templets, species traits, and species richness – aquatic oligochaetes in the Upper Rhone River and its floodplain.Freshwater Biology31327340doi:10.1111/J.1365-2427.1994.TB01744.X

Junk W. J.1989The use of Amazonian floodplains under an ecological perspective.Interciencia14317322

Lepori F.Hjerdt N.2006Disturbance and aquatic biodiversity: reconciling contrasting views.Bioscience56809818
doi:10.1641/0006-3568(2006)56[809:DAABRC]2.0.CO;2

Magnan P.1994Dietary variation in a fresh-water fish species – relative contributions of biotic interactions, abiotic factors, and spatial structure.Canadian Journal of Fisheries and Aquatic Sciences5128562865doi:10.1139/F94-284

Oksanen J., Kindt R., Legendre P., O’Hara B., and Stevens M. H. H. (2007). Vegan: community ecology package. Software and vegan package available online at http://cran.r-project.org [verified 1 June 2008].

Paillex A.Castella E.Carron G.2007Aquatic macroinvertebrate response along a gradient of lateral connectivity in river floodplain channels.Journal of the North American Benthological Society26779796doi:10.1899/06-12.1

Pautou G.Arens M. F.1994Theoretical habitat templets, species traits, and species richness – floodplain vegetation in the Upper Rhone River.Freshwater Biology31507522doi:10.1111/J.1365-2427.1994.TB01754.X

Persat H.Olivier J. M.Pont D.1994Theoretical habitat templets, species traits, and species richness – fish in the Upper Rhone River and its floodplain.Freshwater Biology31439454doi:10.1111/J.1365-2427.1994.TB01750.X

Porter K. G.1977Plant-animal interface in freshwater ecosystems.American Scientist65159170

Pinilla V.2006The development of irrigated agriculture in twentieth-century Spain: a case study of the Ebro basin.The Agricultural History Review54122141


R Development Core Team (2007). R: a language and environment for statistical computing. Foundation for Statistical Computing, Vienna, Austria. Software available online at
http://www.R-project.org [verified 1 June 2008].

Reckendorfer W.Baranyi C.Funk A.Schiemer F.2006Floodplain restoration by reinforcing hydrological connectivity: expected effects on aquatic mollusc communities.Journal of Applied Ecology43474484doi:10.1111/J.1365-2664.2006.01155.X

Reese E. G.Batzer D. P.2007Do invertebrate communities in floodplains change predictably along a river’s length?Freshwater Biology52226239doi:10.1111/J.1365-2427.2006.01678.X

Schiemer F.1999Conservation of biodiversity in floodplain rivers.Archiv fuer Hydrobiologie115423438

Sheaves M.Johnston R.Abrantes K.2007Fish fauna of dry tropical and subtropical estuarine floodplain wetlands.Marine and Freshwater Research58931943
doi:10.1071/MF06246

ter Braak C. J. F., and Šmilauer P. (2002). CANOCO reference manual and CanoDraw for Windows user’s guide: software for canonical community ordination (version 4.5). Micro Power, Ithaca, NY.

Tockner K.Schiemer F.Ward J. V.1998Conservation by restoration: the management concept for a river–floodplain system on the Danube River in Austria.Aquatic Conservation: Marine & Freshwater Ecosystems87186doi:10.1002/(SICI)1099-0755(199801/02)8:1<71::AID-AQC265>3.0.CO;2-D

Tockner K.Pennetzdorfer D.Reiner N.Schiemer F.Ward J. V.1999aHydrological connectivity, and the exchange of organic matter and nutrients in a dynamic river–floodplain system (Danube, Austria).Freshwater Biology41521535doi:10.1046/J.1365-2427.1999.00399.X

Tockner K.Schiemer F.Baumgartner C.Kum G.Weigand E.et al.1999bThe Danube restoration project: species diversity patterns across connectivity gradients in the floodplain system.Regulated Rivers: Research and Management15245258doi:10.1002/(SICI)1099-1646(199901/06)15:1/3<245::AID-RRR540>3.0.CO;2-G

Tockner K.Malard F.Ward J. V.2000An extension of the flood pulse concept.Hydrological Processes1428612883doi:10.1002/1099-1085(200011/12)14:16/17<2861::AID-HYP124>3.0.CO;2-F

Usseglio-Polatera P.Beisel J. N.2002Longitudinal changes in macroinvertebrate assemblages in the Meuse River: anthropogenic effects versus natural change.River Research and Applications18197211doi:10.1002/RRA.651

Van den Brink F. W. B.Vandervelde G.1994Impact of hydrology and water chemistry on floodplain lake communities along the Lower Rhine and Meuse.Water Science and Technology295760

Van den Brink F. W. B.Vankatwijk M. M.Vandervelde G.1994Impact of hydrology on phytoplankton and zooplankton community composition in floodplain lakes along the Lower Rhine and Meuse.Journal of Plankton Research16351373
doi:10.1093/PLANKT/16.4.351

Wantzen K. M.Junk W. J.Rothhaupt K. O.2008An extension of the flood–pulse concept (FPC) for lakes.Hydrobiologia613151170doi:10.1007/S10750-008-9480-3

Ward J. V.Tockner K.Schiemer F.1999Biodiversity of floodplain river ecosystems: ecotones and connectivity.Regulated Rivers: Research and Management15125139doi:10.1002/(SICI)1099-1646(199901/06)15:1/3<125::AID-RRR523>3.0.CO;2-E

Wellborn G. A.Skelly D. K.Werner E. E.1996Mechanisms creating community structure across a freshwater habitat gradient.Annual Review of Ecology and Systematics27337363doi:10.1146/ANNUREV.ECOLSYS.27.1.337

Whiles M. R.Goldowitz B. S.2005Macroinvertebrate communities in Central Platte River wetlands: patterns across a hydrologic gradient.Wetlands25462472doi:10.1672/20

Wood S. N.2008Fast stable direct fitting and smoothness selection for generalized additive models.Journal of the Royal Statistical Society. Series B, StatisticalMethodology70495518doi:10.1111/J.1467-9868.2007.00646.X

Woodward G.Hildrew A. G.2002Food web structure in riverine landscapes.Freshwater Biology47777798doi:10.1046/J.1365-2427.2002.00908.X



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