May 15, 2020 Complement

Observation: Colonies: Introductory words and pictures of chain-forming diatoms: SEM images of Diatoma and Bacillaria added

 

March 9, 2020 Complements

References: Articles relating to the homepage

Observation: Colonies: ‘Size of the diatoms in a chain-like colony I’ Note

 

March 6, 2020 Complement

Observation: Colonies: Introductory words and pictures of chain-forming diatoms: Example Bacillaria

 

February 13, 2020 Complements

Culturing: Purpose of cultivation: Video on the benefits of cultivation (Bacillaria paxillifera)

Observation: Trajectories: Form of the paths: Constraints for colonies

 

February 7, 2020 Complements

Culturing: Challenges: Image on the sexual reproduction of Stauroneis sp.

Observation: Devices for observation: upright microscope

 

February 5, 2020 Complement
Culturing: Nutrient solution: Nutrient solution for marine diatoms

 

July 27, 2019 Complement

Observation: Colonies: ‘Size of the diatoms in a chain-like colony I’ is divided into two parts. The extended part ‘Introductory words and pictures of chain-forming diatoms’ is placed in the beginning.

 

July 26, 2019 Complement

Observation: Another example of contamination with amoebae (Meridion circulare)

 

June 10, 2019 Complement

Observation: Trajectories: The movement of Eunotia sp.: Note on the observed Eunotia species

 

April 5, 2019 New post

Observation: Movement in EPS matrix: Notes on flake formation and movement in flakes
(The menu item "Movement in EPS matrix" has been added.

 

April 2, 2019 Complement

Observation: Sexual reproduction: Further note

 

February 15, 2019 New post

Observation: Trajectories: Change in the trajectories of Cymatopleura solea as a result of cell size reduction

 

February 12, 2019 Complement

Culturing: Challenges: Malformations in Cymatopleura solea

 

August 21, 2018 New post

Observation: Trajectories: The movement of Eunotia sp.

 

August 11, 2018 Complement

Observation: Colonies: Size of the diatoms in a chain-like colony I: Images of further colonial diatoms

 

August 9, 2018 Complement

Observation: Colonies: Size of the diatoms in a chain-like colony I: two videos and text about difficulties in determining the size sequence of Eunotia sp.

 

August 1, 2018 Complement

Observation: Colonies: Size of the diatoms in a chain-like colony II: additional video and text on the development of an Eunotia colony

 

July 31, 2018 Complement

Observation: Colonies: Cymbella on jelly stalks: additional pictures and a video to the form of colonies

 

May 19, 2018 Complement

Observation: Movement of diatoms in and on biofilms: Video and text on movement within the biofilm

 

April 25, 2018 Complement

Observation: Sexual reproduction: Image of gametes fusion and of Automixis

 

April 4, 2018 New posts

Privacy statement and further legal notices

 

March 9, 2018 Complement

Observation: Sexual reproduction in Cymbella (allomixis): Video on the growth of auxospores

 

March 3, 2018 New post

Observation: Sexual reproduction: Automixis in Cymbella

 

February 24, 2018 New post

Observation: Movement on the water surface: Pinnularia sp. on the water surface

 

February 17, 2018 Complement

Culturing: Identification of genus and species: Annotation and pictures of Cymatopleura elliptica after annealing

 

January 24, 2018 Complement

Observation: Sexual reproduction: Note

 

January 8, 2018 Complement

Culturing: Challenges:
Examples of malformations in Surirella und Nitzschia

 

December 10, 2017 Complement

Culturing: Creating cultures and care:
Examples of contamination with epiphytic diatoms and amoebae

 

November 25, 2017 Complement

Observation: Horizontal view: Method of observation (Extension of the example)

 

November 8, 2017 New post

Observation: Horizontal view: Stauroneis sp. from a horizontal view

 

October 15, 2017 New post

Observation: Trajectories: Curvature of the trajectories by the example of Surirella biseriata

 

October 4, 2017 New posts

Observation: Colonies:

 

September 26, 2017 Complement

Culturing: Auxiliaries for cultivation (Notes on the microscope)

Observation: Devices for observation (Notes on the microscope)

 

July 7, 2017 New post

Culturing: Example of a difficult cultivation (Gyrosigma)

 

June 29, 2017 Complement

Observation: Colonies: Size of the diatoms in a chain-like colony II

The previous post about chain-like colonies has been extended and split into two pages.

 

June 10, 2017 New post

Observation: Colonies: Size of the diatoms in a chain-like colony

 

March 3, 2017 New posts

Observation: Movement on the water surface:

 

March 1, 2017 New post

Observation: Movement of diatoms in and on biofilms

 

January 18, 2017 New posts

Observation: Trajectories:

  

December 31, 2016 First release

Welcome

 

Diatoms:

 

Culturing:

 

Observation:

 

Complete text in pdf format: Adobe PDF file icon 32x32

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