By Katharine E. Duff, Barbara A. Zeeb, John P. Smol (auth.)
Chrysophycean algae are a various and sometimes considerable staff of essentially freshwater phytoplankton, characterised through the endogenous formation of siliceous cysts or stomatocysts (also referred to as statospores or statocysts). Cyst morphology is extremely variable, yet believed to be species-specific.
lately, cysts have obtained enormous awareness from phycologists and particularly paleoecologists who desire to use those signs for checks of environmental swap. still, makes an attempt at utilizing cysts have frequently been hampered by means of taxonomic difficulties.
This Atlas dispels a few of the secret surrounding stomatocysts, facilitating the exact identity of person cyst morphotypes, and inspiring different staff to start utilizing those very important signs. The terminology used to explain cysts is printed intimately, by way of precise descriptions of cyst morphotypes, following overseas Statospore operating workforce (ISWG) directions, complemented by means of scanning electron and lightweight micrographs, in addition to line illustrations. Any on hand biogeographical and ecological info is additionally supplied. those descriptions will additional speed up the continuing attempt to hyperlink cyst morphotypes to the algae that produce them.
For paleoecologists who desire to contain stomatocysts of their reviews, researchers operating with dwelling chrysophycean algae, and people drawn to the morphology and ultrastructure of cyst morphotypes.
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Additional resources for Atlas of Chrysophycean Cysts
Ecological details for this cyst are as yet 35 c B Fig. 16. Stomatocyst 181. A: SEM. B: Line drawing of SEM. C: LM. D: LM, apical view. E: Line drawing of LM. Scale bar = 2 /lm. LM x2000. , 1994 (5) Fig. 16 E Stomatocyst 156, Zeeb & Smol, 1993a (6) Fig. 17 BIOLOGICAL AFFINITY: unknown BIOLOGICAL AFFINITY: unknown LOC'lJTY: Nordvest0 (76°44'N; 73° 13'W), Carey Islands, Greenland. SIPRE peat core, core depth 121-122 cm. 5 11m). 8 11m). The outer collar margin is gradual, but the inner collar margin is steeply sloping.
ECOLOGY: No autecological details are available. Stomatocyst 198, Duff & Smol, 1994 (4) Fig. , 1992 (5) Fig. 32 BIOLOGICAL AFFINITY: The stomatocyst of LOCALITY: Elkin Lake (51°40'N; 123°45'W), British Columbia, Canada. Ekman dredge, surface (1 cm) sediment Paraphysomonas antarctica Takahashi (Takahashi, 1987) sample. resembles both stomatocysts 125 and 234. 2 /-tm) with a psilate surface. 6 /-tm ; height ca. 6/-tm). 2 /-tm) . LOCALITY: "Horseshoe Pond" (unofficial name), Cape Herschel (78°37'N; 74°42'W), Ellesmere Island, Northwest Territories, Canada.
One metre piston core, core depth 20 cm.
Atlas of Chrysophycean Cysts by Katharine E. Duff, Barbara A. Zeeb, John P. Smol (auth.)