Here are some links, which might be useful. Most of the links here are diatom and algal focused! There are some links related to statistics, photography and birding.

Phycological Journals:

• Algological Studies
• American Journal of Botany
• Aquaculture Association of Canada
• Aquatic Botany
• Aquatic Sciences
• Aquatic Ecology
• Bibliotheca Diatomologica
• Bibliotheca Phycologica
• Botanica Marina
• Cryptogamie Algologie
• Diatom Research
• European Journal of Phycology
• European Journal of Protistology
• Freshwater Biology
• Geomicrobiology Journal
• Harmful Algae News
• Hydrobiologia
• International Journal of Algae
• International Journal of Systematic and Evolutionary Microbiology
• Journal of Applied Phycology
• Journal of Eukaryotic Microbiology
• Journal of Phycology
• Journal of Plankton Research
• Northwest Algal Symposium
• Nova Hedwigia
• Phycologia
• Phycological Research
• ‘Protist’ (formerly Archiv fuer Protistenkunde)
• Protistology
• Regulated Rivers: Research & Management
• The Australasian Society for Phycology and Aquatic Botany
• Water, Air, and Soil Pollution
• The Brazilian Society of Phycology
• The international journal “Protistology”
• The Journal of Phycology
• The Journal Phycological Research
• Harmful Algae
• Tropical Freshwater Biology

Taxonomic Resource:

Diatoms of United States of America: This is a amazing source of information on most of the commonly occurring freshwater diatom genera and species

Diatom Database:

• AlgaeBase
• American Type Culture Collection
• ANSP Algae Image Database
  The ANSP Algae Image Database contains light micrograph images of diatom taxa from rivers throughout the USA.
• BGSU Algae Image Archive
  185+ images of diatoms from  Bowling Green State University, Ohio.
• California Academy of Sciences Diatom Collection
• Canadian Diatom Database
  The Canadian Diatom Database includes approximately 3,000 diatom samples with their description, precise geographic location and associated information.
• Coimbra Collection of Algae
• Culture Collection of Algae at Goettingen University
• Culture Collection of Algae at the University of Cologne
• Database of algae in the University of Girona Herbarium
• DIAC: Automatic Diatom Identification And Classification
  This pilot project aimed to develop algorithms for an automatic identification of diatoms using image information, i.e. both shape and ornamentation. There is a searchable database of diatom images.
• Diatom Image Database
• Diatoms.co.uk
  This diatom database application from Klaus Kemp contains 15,000+ images, 2350 species descriptions and more. Useful for teaching but not free.
• EDDI European Diatom Database
  A web-based system of diatom training sets, ecological and taxonomic information, diatom images and transfer functions for performing environmental reconstructions from fossil assemblages.
• Great Lakes Diatoms
  This is another diatom checklist with images this time from the Laurentian Great Lakes of North America.
• HANNA Database (California Academy of Sciences)
  The Hanna Database provides information on the Taxon, Locality, and Publication tables. The Taxon table contains 75,000 records of specimens that have been identified on slides.
• International Survey of Diatom Collections
• Provasoli-Guillard National Center for Culture of Marine Phytoplankton
• SVCK-Culture Collection of Conjugatophyceae
• The Culture Collection of Algae & Protozoa
• The Friedrich Hustedt Diatom Collection
• The Fritsch Collection of Illustrations of Freshwater AlgaeRoyal Botanical Garden Edinburgh: Diatoms
• The North-West University  Division of Botany, P B # x6001 Potchefstoom, 2520
• University of Toronto Culture Collection of Algae and Cyanobacteria
• UTEX Culture Collection of Algae at the University of Texas at Austin

Discussion Forum:

• DIATOM-L (a forum for discussion regarding DIATOMS)
• ALGAE-L (Visit Mike Guiry’s algal page for details)
• Microscopes http://groups.yahoo.com/group/Microscope/
• Plankton http://groups.yahoo.com/group/planktonnet/

Diatom Books Publishers and Dealers

• Biopress Ltd., 17 Wimbledon Road, Bristol BS6 7YA, UK, http://www.balogh.com/catalogs/biopress.htm
• Koeltz Scientific Books, P.O.Box 1360, D-61453 Koenigstein, Germany, http://www.koeltz.com
• Scott Balogh, Balogh International Inc., 1911 North Duncan Road, Champaign, Illinois 61822, http://www.balogh.com,
• Vedams eBooks (P) Ltd., Pitampura, New Delhi 110 088, India, https://www.vedamsbooks.com/algae.htm
• Algologia, Anasvagen 54, S-416 69 Goteborg, Sweden, http://seaweed.ucg.ie/algologia/algologia.html
• IB PUBLISHER POLISH ACADEMY OF SCIENCES, E-mail: ed-office@ib-pan.krakow.pl