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Fotos / Sons

What

Diatomáceas (Classe Bacillariophyceae)

Observador

paul_broady

Data

Abril 27, 2019 09:29 PM NZST

Descrição

Naviculoid diatom, very small, impossible to identify without cleaned frustules and access to a scanning electron microscope. Similar in shape and size to Navicula atomus but equally likely to be a species from a different genus, e.g. Achnanthes. Scrapings from exterior moist surface of a plant pot in a suburban garden.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 09:04 PM NZST

Descrição

Scrapings from the moist outer surface of a plant pot in a suburban garden. Trichomes tightly convoluted within a thin, firm mucilaginous sheath. Heterocysts intercalary. Abundant growths.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 08:30 PM NZST

Descrição

Omahu Bush Reserve, collector Colin Meurck. Found amongst aquatic moss from a small stream. Test ca. 70 micrometres long. Lacking living contents.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 08:03 PM NZST

Descrição

Omahu Bush Reserve, collected by Colin Meurck. Rarely observed in mucilaginous green colonies dominated by Cylindrocystis cf. Brebissonii. Pair of cells surrounded by stratified colourless mucilage. Cells ca. 47 micrometres wide by 35 micrometres long, golden-brown to orange, full of storage product. Possibly the "Gloeodinium-phase" of Hemidinium nasutum

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 07:43 PM NZST

Descrição

Omahu Bush, collector Colin Meurck, seepage in deep shade. Mucilaginous green colonies dominated by Cylindrocystic cf. brebissonii with this alga as an associate. Cells ca.. 10 micrometres diameter, containing numerous oil globules. Chloroplast parietal, lobed, lacking a pyrenoid.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 09:16 AM NZST

Descrição

Richly branched trichomes. Branches uniseriate, ca. 5 micrometres wide. Unusual habitat: scrapings from inside a rain gauge, taken on cleaning rain collector at Hinewai Reserve!

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 09:22 PM NZST

Descrição

In sediment of Brocheries Pond, near Hinewai Reserve. On Banks Peninsula Path. Lugol's iodine preserved. Cell ca,. 30 micrometres long.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 09:17 PM NZST

Descrição

Lugol's iodine preserved. In sediment Brocheries Pond, near Hinewai Reserve. On Banks Peninsula Path. Cell ca. 68 micrometres long.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 09:13 PM NZST

Descrição

In sediment, Brocheries Pond, near Hinewai Reserve. On Banks Peninsula Path. Cell ca,. 45 micrometres long.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 09:08 PM NZST

Descrição

In sediment, Brocheries Pond, near Hinewai Reserve. On Banks Peninsula Path. Cell length ca. 22 micrometres.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 08:57 PM NZST

Descrição

In sediment, Brocheries Pond, near Hinewai Reserve. On Banks Peninsula Path. Cell ca. 95 micrometres long.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 08:51 PM NZST

Descrição

Lugol's iodine preserved. In sediment of Brocheries Pond, near Hinewai Reserve. On Banks Peninsula Path. Trichome ca. 4 micrometres wide.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 08:48 PM NZST

Descrição

Lugiol's iodine preserved. In sediment Brocheries Pond, near Hinewai Reserve. On Banks Peninsula Path. Coenobium about 17 mic rometres long.

Fotos / Sons

What

Diatomáceas (Classe Bacillariophyceae)

Observador

paul_broady

Data

Abril 27, 2019 08:43 PM NZST

Descrição

In sediment, Brocheries Pond, near Hinewai Reserve. On Banks Peninsula path. Cell ca. 95 micrometres long.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 08:37 PM NZST

Descrição

In sediment of Brocheries Pond, near Hinewai Reserve, on Banks Peninsula Path. Cell ca. 30 micrometres long.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 08:31 PM NZST

Descrição

Periphyton, Victoria Lake, North Hagley Park.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 08:29 PM NZST

Descrição

Periphyton, Victoria Lake, North Hagley Park. Cell ca. 175 micrometres long.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 08:11 PM NZST

Descrição

Periphyton, Victoria Lake, North Hagley Park. Cells ca. 40 micrometres long.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 08:08 PM NZST

Descrição

Periphyton, Victoria Lake, North Hagley Park. Filaments ca. 12 micrometres wide.

Fotos / Sons

What

Diatomáceas (Classe Bacillariophyceae)

Observador

paul_broady

Data

Abril 27, 2019 08:03 PM NZST

Descrição

Cell top left. Preliminary identification. From periphyton, Victoria Lake, North Hagley Park. Cell ca. 20 micrometres long.

Fotos / Sons

Observador

paul_broady

Data

Abril 27, 2019 07:56 PM NZST

Descrição

Cell bottom right. Preliminary identification. From periphyton, Victoria Lake, North Hagley Park. Cell ca. 32 micrometres long.

Fotos / Sons

Observador

paul_broady

Data

Abril 22, 2019 02:03 PM NZST

Descrição

Member of phytoplankton community in oxidation ponds of Christchurch Wastewater Treatment Plant. 400x magnification

Feeds : Átomo