1. Untangling the confounding effects of urbanization and high water level on the cover of emergent vegetation in Cootes Paradise Marsh, a degraded coastal wetland of Lake Ontario

   • A. Wei
   • P. Chow-Fraser

   Primary Research Paper Pages: 1 - 9

2. Seed germination of three species of Vallisneria (Hydrocharitaceae), and the effects of freshwater microalgae

   • Li Zhongqiang
   • Dan Yu
   • Tu Manghui

   Primary Research Paper Pages: 11 - 18

3. Attraction of the amphipod Gammarus pulex to water-borne cues of food

   • Hendrika J. De. Lange
   • Miquel Lürling
   • Edwin T. H. M. Peeters

   Primary Research Paper Pages: 19 - 25

4. Loxosomatoides sirindhornae, new species, a freshwater kamptozoan from Thailand (Entoprocta)

   • Timothy S. Wood

   Primary Research Paper Pages: 27 - 31

5. Fishes and environment in northwestern Argentina: from lowland to Puna

   • Roberto C. Menni
   • Amalia M. Miquelarena
   • Alejandra V. Volpedo

   Primary Research Paper Pages: 33 - 49

6. Strontium content of scales as a marker for distinguishing between sea trout and brown trout

   • Jan Ivar Koksvik
   • Eiliv Steinnes

   Short Research Note Pages: 51 - 54

7. The structure of diatom assemblages associated with Cladophora and sediments in a highland stream in Kenya

   • B. Mpawenayo
   • J. M. Mathooko

   Primary Research Paper Pages: 55 - 67

8. Temperature-dependent growth rates of larval midges (Diptera: Chironomidae) from a southeastern U.S. stream

   • Steven K Reynolds
   • Arthur C Benke

   Primary Research Paper Pages: 69 - 75

9. Diatom ecological preferences in a shallow temperate estuary (Ria de Aveiro, Western Portugal)

   • Paula Resende
   • Ulisses Azeiteiro
   • Mário Jorge Pereira

   Primary Research Paper Pages: 77 - 88

10. Diversity and distributions of circumpolar fresh- and brackish-water Mysis (Crustacea: Mysida): descriptions of M. relictaLovén, 1862, M. salemaai n. sp.,M. segerstralei n. sp. and M. diluviana n. sp., based on molecular and morphological characters

    • Asta Audzijonytė
    • Risto Väinölä

    Taxonomic Research Paper Pages: 89 - 141

11. Two new dimorphic soft-coral species (Anthozoa: Octocorallia) from Antarctica

    • Pablo J. López-González
    • Josep-Maria Gili

    Primary Research Paper Pages: 143 - 153

12. Competition for feeding in waders: a case study in an estuary of south temperate Europe (Mondego, Portugal)

    • Tiago Múrias Santos
    • João Alexandre Cabral
    • John Goss-Custard

    Primary Research Paper Pages: 155 - 166

13. Water and mass budgets for estimating phosphorus sediment–water exchange in Lake Taihu (China P. R.)

    • Peter Kelderman
    • Zhu Wei
    • Mario Maessen

    Primary Research Paper Pages: 167 - 175

14. Small scale application and assessment of a Index of Biotic Integrity for a large boreal river

    • Jeffrey M. Long
    • David J. Walker

    Primary Research Paper Pages: 177 - 187

15. Does carbon enrichment affect hyporheic invertebrates in a gravel stream?

    • Franz H. Wagner
    • Christian Beisser

    Primary Research Paper Pages: 189 - 200

16. Temporally variable macroinvertebrate–stone relationships in streams

    • Dean Jacobsen

    Primary Research Paper Pages: 201 - 214

17. A new Stygonitocrella Petkovski (Copepoda: Harpacticoida) from a cave in Northern Mexico with comments on the taxonomy of the genus

    • E. Suárez-Morales
    • T. M. Iliffe

    Primary Research Paper Pages: 215 - 228

18. Macroinvertebrate species and assemblages in the headwater streams of the River Tyne, northern England in relation to land cover and other environmental variables

    • M. D. Eyre
    • J. G. Pilkington
    • S. P. Rushton

    Primary Research Paper Pages: 229 - 240

19. Effects of pulsed and pressed disturbances on the benthic invertebrate community following a coal spill in a small stream in northeastern USA

    • Matthew P. Harper
    • Barbara L. Peckarsky

    Primary Research Paper Pages: 241 - 247

20. Phylogeny of the East Asian botiine loaches (Cypriniformes, Botiidae) inferred from mitochondrial cytochrome b gene sequences

    • Qiongying Tang
    • Bangxi Xiong
    • Huanzhang Liu

    Primary Research Paper Pages: 249 - 258

21. Hydrological controls on the diatom assemblage of a seasonal arctic river: Boothia Peninsula, Nunavut, Canada

    • Kailey A. Stewart
    • Scott F. Lamoureux
    • Andrew C. Forbes

    Primary Research Paper Pages: 259 - 270

22. Trophic ecology of the Lake Superior wave zone: a stable isotope approach

    • Mac Strand

    Primary Research Paper Pages: 271 - 278

23. Depleted methane-derived carbon in waters of Lake Baikal, Siberia

    • Alexander A. Prokopenko
    • Douglas F. Williams

    OriginalPaper Pages: 279 - 288

24. Atlantic Island freshwater ecosystems: challenges and considerations following the EU Water Framework Directive

    • Samantha Jane Hughes
    • Björn Malmqvist

    Opinion Paper Pages: 289 - 297

25. Diatoms from two macro-tidal mudflats in Chignecto Bay, Upper Bay of Fundy, New Brunswick, Canada

    • M. Trites
    • I. Kaczmarska
    • J. Ollerhead

    OriginalPaper Pages: 299 - 319

26. Water quality during winter storm events in Spring Creek, Pennsylvania USA

    • Heejun Chang
    • Toby N. Carlson

    OriginalPaper Pages: 321 - 332

27. Is there confusion over what is meant by ‘open population’?

    • Mark P. Johnson

    Opinion Paper Pages: 333 - 338

28. Food sources for the early life history stages of the hydrothermal vent crab Bythograea thermydron: a stable isotope approach

    • Ana I. Dittel
    • Charles E. Epifanio
    • Gina Perovich

    OriginalPaper Pages: 339 - 346

29. Environmental factors influencing the regional distribution and local density of a small benthic fish: the stoneloach (Barbatula barbatula)

    • Frédéric Santoul
    • Nicolas Mengin
    • Sylvain Mastrorillo

    Primary Research Paper Pages: 347 - 355