Zobrazeno 1 - 10 of 102 pro vyhledávání: '"W H Howell"'
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Using the composite variables of reproductive morphology, histology and steroid hormones to determine age and size at sexual maturity for the thorny skate Amblyraja radiata in the western Gulf of Maine
Autor: W. H. Howell, Scott P. Elzey, James A. Sulikowski, Joe Jurek, Jeff Kneebone, Paul C. W. Tsang
Publikováno v: Journal of Fish Biology. 69:1449-1465
Age at size was linked to sexual maturity in 77 male and 93 female thorny skates Amblyraja radiata from the western Gulf of Maine using three criteria: 1) gross reproductive morphology, 2) histology and 3) steroid hormone concentrations. Age-bias plo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f4c98f769f3990dbaa5b138011ad24e6
https://doi.org/10.1111/j.1095-8649.2006.01207.x
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3
Factors affecting the post-release survival of cultured juvenile Pseudopleuronectes americanus
Autor: W. H. Howell, Elizabeth A. Fairchild
Publikováno v: Journal of Fish Biology. 65:69-87
Laboratory experiments were performed with cultured and wild juvenile winter flounder Pseudopleuronectes americanus to evaluate differences in behaviour and adaptation affecting post-release vulnerability to predation. Studies revealed that the crypt
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f6f6f0f527972b08306bf8e54d77a135
https://doi.org/10.1111/j.0022-1112.2004.00529.x
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4
Predator–prey size relationship between Pseudopleuronectes americanus and Carcinus maenas
Autor: Elizabeth A. Fairchild, W. H. Howell
Publikováno v: Journal of Sea Research. 44:81-90
Young-of-year flatfish grow through a series of critical periods in which they are vulnerable to different predators, including decapod crustaceans. The purpose of this study was to determine if winter flounder, Pseudopleuronectes americanus , were v
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::747f800852fbc09fd961012acb4a1208
https://doi.org/10.1016/s1385-1101(00)00037-x
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5
Lobster movements in an estuary
Autor: W. H. Howell, Winsor H. Watson, A. Vetrovs
Publikováno v: Marine Biology. 134:65-75
The extent to which the American lobster, Homarus americanus (H. Milne-Edwards), utilizes estuarine habitats is poorly understood. From 1989 to 1991 we examined lobster movements in and around the Great Bay estuary, New Hampshire using tag/recapture
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e3caa7157b213b96302308e8d121814
https://doi.org/10.1007/s002270050525
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6
Behavioral Thermoregulation in the American Lobster Homarus Americanus
Autor: Steven H. Jury, W. H. Howell, Glenn T. Crossin, S A Al-Ayoub, Winsor H. Watson
Publikováno v: Journal of Experimental Biology. 201:365-374
It is generally accepted that water temperature has a strong influence on the behavior of the American lobster Homarus americanus. However, there is surprisingly little behavioral evidence to support this view. To characterize the behavioral response
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::454137d0a3a5fd9f2ded137bee259063
https://doi.org/10.1242/jeb.201.3.365
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8
Comparative Growth and Survival of Juvenile Atlantic Cod (Gadus morhua)Cultured in Copper and Nylon Net Pens
Autor: Michael Chambers, Jon Bunker, Win Watson, W. H. Howell
Publikováno v: Journal of Aquaculture Research & Development.
Bio-fouling on net pens has been a major concern for the marine aquaculture industry. As cage systems increase in size, so does the surface area for the attachment of colonial organisms that create drag on the net, reduce water flow important to fish
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::afc1437fbb50daf59c4330862fa49ca8
https://doi.org/10.4172/2155-9546.1000137
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