1. The impact of urbanization on major ion flux through catchments: A case study in Southern England

   • Colin W. Prowse

   OriginalPaper Pages: 277 - 292

2. Organochlorine insecticide residues in the rain water in Delhi, India

   • H. C. Agarwal
   • C. P. Kaushik
   • M. K. K. Pillai

   OriginalPaper Pages: 293 - 302

3. Models for tetracycline in aquatic environments

   • B. B. Sithole
   • R. D. Guy

   OriginalPaper Pages: 303 - 314

4. Models for tetracycline in aquatic environments

   • B. B. Sithole
   • R. D. Guy

   OriginalPaper Pages: 315 - 321

5. Bioconcentration of HCH isomers by the ciliate protozoan, Tetrahymena pyriformis under laboratory conditions

   • Ranjana Mathur
   • D. M. Saxena

   OriginalPaper Pages: 323 - 327

6. The source of Pb, Cu, and Zn in fogwater

   • Douglas R. Miller
   • James E. Byrd
   • Michael J. Perona

   OriginalPaper Pages: 329 - 340

7. Response of limed lakes to episodic acid events in Southwestern Sweden

   • Bengt Hasselrot
   • Ingvar B. Andersson
   • Hans Hultberg

   OriginalPaper Pages: 341 - 362

8. Quantitative monitoring of airborne lead pollution by a foliose lichen

   • David Schwartzman
   • Margaret Kasim
   • James H. Johnson Jr.

   OriginalPaper Pages: 363 - 378

9. Preventive effects of amino acids on the toxicity of copper to Daphnia magna

   • B. S. Khangarot
   • P. K. Ray
   • Harish Chandra

   OriginalPaper Pages: 379 - 387

10. Heavy metal uptake by wheat seedlings grown in fly ash-amended soils

    • G. Petruzzelli
    • L. Lubrano
    • S. Cervelli

    OriginalPaper Pages: 389 - 395

11. Bacterial analysis of Chromobacterium sp. and Flavobacterium sp. in a waste stabilization pond system

    • Fermin Rivera
    • Patricia Bonilla
    • Jesus Islas

    OriginalPaper Pages: 397 - 406

12. Indicator bacteria concentrations as affected by hydrologic variables in the Apalachicola river, Florida

    • John F. Elder

    OriginalPaper Pages: 407 - 416

13. An estimation of present and projected diesel particle evolution over Chigago

    • C. M. Sheih

    OriginalPaper Pages: 417 - 425

14. The effects of recent environmental changes in Lake Waahi on two forms of the common smelt Retropinna retropinna, and other biota

    • F. J. Ward
    • T. G. Northcote
    • M. A. Chapman

    OriginalPaper Pages: 427 - 443

15. Analysis of the bark of scots pine as a method of studying environmental changes

    • T. Raunemaa
    • P. Hart
    • M. Karhula

    OriginalPaper Pages: 445 - 453

16. Mercury and selenium content in Bouri (Mugil cephalus)

    • Y. G. Moharram
    • S. A. El-Sharnouby
    • A. El-Soukkary

    OriginalPaper Pages: 455 - 459

17. Book reviews

    • Marti Minnich
    • T. Viraraghavan

    BookReview Pages: 461 - 461

18. Announcements

    Announcement Pages: 469 - 469

19. Notes from the publisher

    Legacy Pages: 475 - 475