Zobrazeno 1 - 10 of 79 pro vyhledávání: '"Robert M. McDowall"'
1
Ontogenetic changes in morphology of flathead galaxiid fishes (Osmeriformes: Galaxiidae) in South Island, New Zealand
Autor: Shannan K. Crow, Robert M. McDowall
Publikováno v: New Zealand Journal of Marine and Freshwater Research. 45:689-702
We examined ontogenetic changes in morphology of four non-migratory ‘flathead’ galaxiid fishes and interspecific differences. Geometric analyses were used to determine where ontogenetic shifts occur, examine growth trajectories between taxa and c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::16c07ab3acad2f3c4b03fd5e452e50b1
https://doi.org/10.1080/00288330.2011.579619
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2
Marine dispersal as a pre-requisite for Gondwanan vicariance among elements of the galaxiid fish fauna
Autor: Mark V. H. Wilson, Dave Craw, Christopher P. Burridge, Jonathan M. Waters, Robert M. McDowall
Publikováno v: Journal of Biogeography. 39:306-321
Aim The aim of this study was to determine the contributions of Gondwananvicariance and marine dispersal to the contemporary distribution of galaxiidfishes. This group has been central in arguments concerning the roles of dispersaland vicariance in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::33154857c44853b63ec7a21387fc06ea
https://doi.org/10.1111/j.1365-2699.2011.02600.x
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3
Osteology and relationships of the southern freshwater lower euteleostean fishes
Autor: Christopher P. Burridge, Robert M. McDowall
Publikováno v: Zoosystematics and Evolution. 87:7-185
Temperate lands of the Southern Hemisphere have freshwater f ish faunas that are dominated by a series of lower euteleostean genera that seem to fall into three clusters: 1) Retropinna, Stokellia and Prototroctes, forming a family Retropinnidae; 2) A
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6456e52b7b5c0cf904b49bb8dc38db16
https://doi.org/10.1002/zoos.201000020
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4
Why be amphidromous: expatrial dispersal and the place of source and sink population dynamics?
Autor: Robert M. McDowall
Publikováno v: Reviews in Fish Biology and Fisheries. 20:87-100
Amphidromous fishes are found predominantly on the tropical and subtropical islands of the globe and there are few amphidromous species on continents. I suggest that this idiosyncratic distribution relates in part to problems in self-recruitment on i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::05e3d778236e735cb1464b280909f4f7
https://doi.org/10.1007/s11160-009-9125-2
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5
Gobiopterusin New Zealand (Teleostei: Gobiidae), with observations on sexual dimorphism
Autor: Robert M. McDowall, Bruno O. David
Publikováno v: New Zealand Journal of Marine and Freshwater Research. 42:325-331
The small, transparent gobioid Gobiopterus semivestitus is recorded for the first time from New Zealand, from a tributary of Ngunguru River, near Whangarei, Northland. Distinctive features of its sexual dimorphism are reported, in particular enlarged
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::55fd0a68daa196c1e43e32ae9e23603c
https://doi.org/10.1080/00288330809509960
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7
Why are so many boreal freshwater fishes anadromous? Confronting ‘conventional wisdom’
Autor: Robert M. McDowall
Publikováno v: Fish and Fisheries. 9:208-213
Suggestions that anadromy predominates in northern high latitudes because boreal marine seas have high primary productivity are questioned. Instead, post-Pleistocene invasion of far northern fresh waters, which became inhabitable as Pleistocene tempe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a834a35b22428c95d5a67b3d535a18ec
https://doi.org/10.1111/j.1467-2979.2008.00271.x
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8
Galaxiasfossils from Miocene lake deposits, Otago, New Zealand: The earliest records of the Southern Hemisphere family Galaxiidae (Teleostei)
Autor: Robert M. McDowall, Jon K. Lindqvist, Daphne E. Lee
Publikováno v: Journal of the Royal Society of New Zealand. 37:109-130
Galaxiid fishes are commonly assumed to exhibit a Gondwanan distribution, but little fossil evidence has been available to support or refute this assumption until now. Here we report on three species of fossil Galaxias, represented by exquisitely pre
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2776ff6ee2ee05826ac03f3c26f3aeee
https://doi.org/10.1080/03014220709510540
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9
On amphidromy, a distinct form of diadromy in aquatic organisms
Autor: Robert M. McDowall
Publikováno v: Fish and Fisheries. 8:1-13
Amphidromy is a distinctive form of diadromy that involves some fish, decapod crustaceans and gastropod molluscs. Characteristic elements in amphidromy are: reproduction in fresh water, passage to sea by newly hatched larvae, a period of feeding and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::99d736747ccdd2e7bf1904924a98e970
https://doi.org/10.1111/j.1467-2979.2007.00232.x
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10
Crying wolf, crying foul, or crying shame: alien salmonids and a biodiversity crisis in the southern cool-temperate galaxioid fishes?
Autor: Robert M. McDowall
Publikováno v: Reviews in Fish Biology and Fisheries. 16:233-422
The galaxioid fishes are the dominant, most speciose group of freshwater fishes (with >50 species) in the lands of the cool southern hemisphere, with representatives in western and eastern Australia, Tasmania, New Caledonia, Lord Howe Island, New Zea
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1110eafc1393ea05fcced0b288446e18
https://doi.org/10.1007/s11160-006-9017-7
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