Calorific content of New Zealand marine macrophytes

Calorific content of certain bacteria and fungi.

Calorific contents of dried cells of several representative species of bacteria (gram-negative rods and gram-positive rods and cocci), two species of yeasts, and a filamentous fungus were determined by bomb calorimetry. The grand mean was 5,383 cal per g of ash-free dry weight. This value was then used to determine quantity of energy assimilated (E(a)) during growth. Subsequently, E(a) was empl...

Marine Biodiversity of Aotearoa New Zealand

The marine-biodiversity assessment of New Zealand (Aotearoa as known to Māori) is confined to the 200 nautical-mile boundary of the Exclusive Economic Zone, which, at 4.2 million km(2), is one of the largest in the world. It spans 30 degrees of latitude and includes a high diversity of seafloor relief, including a trench 10 km deep. Much of this region remains unexplored biologically, especiall...

New zealand marine terraces: uplift rates.

WL iLLiAM B. BULL AND ALAN F. Cooper (1) identify as marine terrace remnants 18 "notches" or steps at altitudes up to 1700 m on the ridge crests southeast of the Alpine fault, New Zealand. They infer late Quatemary uplift rates on this upthrown side of the fault at three study areas. Their conclusions are based on (i) morphology ofthe steps, which are said to resemble eroded marine cliffs and s...

Ash Content of Macrophytes from Chautauqua

Control of macrophytes by grass carp (Ctenopharyngodon idella) in a Waikato drain, New Zealand

Hornwort (Ceratophyllum demersum L.) and other aquatic macrophytes have historically been mechanically removed from the Rangiriri drain and Churchill East drain to maintain drain efficiency. As an alternative control method for the high plant biomass that accumulates at the end of summer, the effect of stocking diploid grass carp (Ctenopharyngodon idella L.) on the aquatic vegetation was evalua...