Phycology جلبک شناسی

نخستین پایگاه اطلاعاتی جلبک شناسی به زبان فارسی





General appearance of alga? Soft or firm colony (many cells or filaments); or Blue-green algae - cells without organelles.


Colour? green; or blue; or colourless.


Habitat freshwater.


Aquatic type? not recorded.


Free-living or attached? free-living.


Motile? Not motile.


Is mucilage or gelatinous material present? Mucilage present in obvious concentric rings around each cell or group of cells in the colony.; or Mucilage present but not stratified.


Filament: Branching type not recorded.


Filaments in bundles? not recorded.


Filament: Cell arrangement not recorded.


Filament: Filament diameter not recorded.


Cell: Individual cell shape globose or spherical; or ovoid.


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


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


Cell: How many flagella per cell? Absent.


Cell: Is a red eyespot conspicuous? no.


Cell: Heterocytes absent.


Cell: Akinetes absent.


Cell: Cell length not recorded.


Cell: Cell diameter not recorded.


Cell: How many pyrenoids per plastid? 0.


Cell: How many plastids? 0.


Cell: Plastid shape? not recorded.


Cell: Position of plastid in cell? not recorded.


Colony: Are remnants of the mother cell wall present or is the entire mother cell wall persistent? Mother cell wall absent.


Colony: cell arrangement Cells in groups greater than 4 cells.


Colony: Shape of colony? Rectangular.


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


Colony: Cells in one layer or throughout on periphery or surface layer of colony.


Capable of forming blooms? Not observed.



Classification: Division Cyanobacteria (Blue-green algae).


Classification: Class Cyanophyceae.


Classification: Family Microcystaceae.


نویسنده : رضا رمضان نژاد قادی ; ساعت ۱:٤٦ ‎ق.ظ روز دوشنبه ۱٦ بهمن ۱۳۸٥