Phycology جلبک شناسی

نخستین پایگاه اطلاعاتی جلبک شناسی به زبان فارسی

معرفی جنس Aphanochaete





General appearance of alga? Simple branched algae one cell thick.


Colour? green.


Habitat freshwater.


Aquatic type? lake; or pond; or river or stream; or bogs; or puddles and ditches.


Free-living or attached? attached to plants or algae.


Motile? Not motile.


Is mucilage or gelatinous material present? Absent.


Filament: Branching type true branching.


Filaments in bundles? not recorded.


Filament: Cell arrangement cells abutting.


Filament: Filament diameter not recorded.


Cell: Individual cell shape cylindrical.


Cell: Is there a median constriction (isthmus)? Absent.


Cell: Do the cells bear spines or cellular extensions? Present.


Cell: How many flagella per cell? Absent.


Cell: Is a red eyespot conspicuous? no.


Cell: Heterocytes absent.


Cell: Akinetes absent.


Cell: Cell length 6–20 µm.


Cell: Cell diameter 5–10 µm.


Cell: How many pyrenoids per plastid? 1–10.


Cell: How many plastids? 1.


Cell: Plastid shape? sheet or longitudinal plate.


Cell: Position of plastid in cell? Parietal.


Colony: Are remnants of the mother cell wall present or is the entire mother cell wall persistent? not recorded.


Colony: cell arrangement not recorded.


Colony: Shape of colony? not recorded.


Colony: Are cells or groups of cells connected by mucilaginous threads? No.


Colony: Cells in one layer or throughout not recorded.


Capable of forming blooms? Not observed.



Classification: Division Chlorophyta (Green Algae).


Classification: Class Chlorophyceae.


Classification: Family Chaetophoraceae.




Reference Smith (1950:163), Prescott (1951:125), Dillard (1999:135), Ling et al. (2000:126), Day et al. (1995:50), Entwisle et al. (1999c).












نویسنده : رضا رمضان نژاد قادی ; ساعت ۱۱:۱۳ ‎ب.ظ روز چهارشنبه ٢ اسفند ۱۳۸٥