Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Richard M. Allibone"'
Publikováno v:
Ecology of Freshwater Fish. 25:174-189
Life-history theory predicts that the optimal strategy in the trade-off between egg size and number varies in relation to resource availability and environmental disturbance. We assessed interspecific differences in egg size, fecundity and other life
Autor:
Jonathan M. Waters, Rodney A. Hitchmough, Peter Ravenscroft, D. J. Jellyman, Nicholas Ling, Bruno O. David, Richard M. Allibone
Publikováno v:
New Zealand Journal of Marine and Freshwater Research. 44:271-287
The threat status of 74 freshwater and estuarine fish present in New Zealand was determined. Fifty-one native taxa were ranked of which 67% were considered Threatened or At Risk. A single species was classified as Extinct, the New Zealand grayling, w
Publikováno v:
Biological Journal of the Linnean Society. 88:367-376
We used mtDNA and isozyme analysis of a freshwater fish, Galaxias divergens (Osmeriformes: Galaxiidae), to test a hypothesis of drainage evolution in South Island, New Zealand. Geological evidence indicates that the presently north-flowing Kaituna Ri
Publikováno v:
New Zealand Journal of Marine and Freshwater Research. 37:473-483
The shortjaw kokopu (Galaxias postvectis), although widely distributed throughout New Zealand, is only known from a few sites and generally with extremely low population numbers. Two sites in Taranaki (Katikara Stream and Stony River tributary) were
Publikováno v:
New Zealand Journal of Marine and Freshwater Research. 37:493-505
Twelve Galaxias postvectis (shortjaw kokopu) and four G. fasciatus (banded kokopu) spawning sites were found on the margins of the Katikara Stream, Taranaki, New Zealand. This is the first time G. postvectis spawning sites have been documented. G. fa
Autor:
Richard M. Allibone, Bruno O. David, Nicholas Ling, Rodney A. Hitchmough, Peter Ravenscroft, Jonathan M. Waters, D. J. Jellyman
Publikováno v:
New Zealand Journal of Marine and Freshwater Research. 45:303-305
Publikováno v:
New Zealand Journal of Marine and Freshwater Research. 34:487-499
Distribution, abundance, and habitat preferences of native fish were investigated down the length of a relatively pristine, medium‐sized, fourth‐order stream on Stewart Island, New Zealand. A limited fish fauna was recorded (six species), includi
Autor:
Richard M. Allibone
Publikováno v:
Journal of the Royal Society of New Zealand. 29:291-299
The distribution of fish species in tributaries of Lake Mahinerangi, a hydro electric storage impoundment, and its feeder catchment the upper Waipon River were surveyed Six fish species were located during the survey of 46 sites, ot which Galaxias sp
Publikováno v:
New Zealand Journal of Marine and Freshwater Research. 33:129-139
Recent studies have led to the recognition of Galaxias depressiceps and reinstatement of Galaxias anomalus. The two species maintain near allopatric distributions and it has been suggested that spawning habitat availability, at least partially, contr
Autor:
Colin R. Townsend, Richard M. Allibone
Publikováno v:
New Zealand Journal of Marine and Freshwater Research. 32:351-361
The diets of several populations of four recently described species of galaxiid with allopatric distributions were examined in the Taieri River, New Zealand. Comparisons of available prey items and prey consumed were carried out to examine whether th