Phycology جلبک شناسی

نخستین پایگاه اطلاعاتی جلبک شناسی به زبان فارسی


General appearance of alga? Unbranched filaments; or Blue-green algae - cells without organelles.

Colour? green; or blue; or black.

Habitat freshwater; or terrestrial.

Aquatic type? lake; or pond.

Free-living or attached? free-living.

Motile? Not motile.

Is mucilage or gelatinous material present? Mucilage present but not stratified.

Filament: Branching type not recorded.

Filaments in bundles? not recorded.

Filament: Cell arrangement cells abutting.

Filament: Filament diameter not recorded.

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

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 present and terminal in position.

Cell: Akinetes present and intercalary in position.

Cell: Cell length not recorded.

Cell: Cell diameter 3–10 µm.

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? 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? Yes, unknown if harmful or toxic.

Distribution Northern Territory; or South Australia; or Queensland; or New South Wales; or Victoria.

Classification: Division Cyanobacteria (Blue-green algae).

Classification: Class Cyanophyceae.

Classification: Family Nostocaceae.

Reference Baker et al. (1999:29), Smith (1950:583), Bourelly (1970:420), Ling et al. (2000:26), Dillard (1999:112), Day et al. (1995:206), Entwisle et al. (1999c).


نویسنده : رضا رمضان نژاد قادی ; ساعت ۱٠:۳٤ ‎ق.ظ روز یکشنبه ۱٢ آبان ۱۳۸٧