Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Howard P. Clemens"'
Autor:
Kenneth N. Randolph, Howard P. Clemens
Publikováno v:
Transactions of the American Fisheries Society. 105:718-724
Throughout the growing season, from March to October, marked fish usually made a daily trip to the feeding station. In the spring, they did not use the demand feeders until temperatures reached 12 C and they stopped demand feeding in the fall at appr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::854caae4204abcd6baba3c5e692c596c
https://doi.org/10.1577/1548-8659(1976)105<718:sfitfb>2.0.co
https://doi.org/10.1577/1548-8659(1976)105<718:sfitfb>2.0.co
Autor:
Kenneth N. Randolph, Howard P. Clemens
Publikováno v:
Transactions of the American Fisheries Society. 105:725-730
Three distinct behavior patterns were recognized in the daily routine of channel catfish (Ictalurus punctatus) in culture ponds: (1) occupancy of home areas; (2) daily trip to the feeding station; and (3) feeding. When the fish were not in home areas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae4fb6e8916b5016825cb00cd053a83e
https://doi.org/10.1577/1548-8659(1976)105<725:haasic>2.0.co
https://doi.org/10.1577/1548-8659(1976)105<725:haasic>2.0.co
Publikováno v:
Comparative Biochemistry and Physiology Part C: Comparative Pharmacology. 71:183-190
1. Exposure of channel catfish to 0.5 mg/l H2S at 20 degrees C resulted in hyperpnea, followed by apnea, and finally respiratory arrest. 2. Catfish brain cytochrome oxidase activity was inhibited in vitro 18% by 10(-7) M H2S, 64% by 10(-6) M H2S, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15ac8c6b45a95b72b69f97ce232f8452
https://doi.org/10.1016/0306-4492(82)90034-x
https://doi.org/10.1016/0306-4492(82)90034-x
Publikováno v:
Comparative Biochemistry and Physiology. 22:157-167
1. 1. Dietary controlled gonadal regression of male goldfish was accompanied by a decrease in twelve of the seventeen separate pituitary protein fractions resolved by disc electrophoresis. 2. 2. Reduced gonadal hydration activity in the pituitaries o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d4f54072d824e2717082428f2ed14a2
https://doi.org/10.1016/0010-406x(67)90177-6
https://doi.org/10.1016/0010-406x(67)90177-6
Autor:
Howard P. Clemens, Kermit E. Sneed
Publikováno v:
The Progressive Fish-Culturist. 18:99-103
(1956). Survival of Fish Sperm After Freezing and Storage at Low Temperatures. The Progressive Fish-Culturist: Vol. 18, No. 3, pp. 99-103.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::022f76d2531b067efe33c7478a1eff8b
https://doi.org/10.1577/1548-8659(1956)18[99:sofsaf]2.0.co
https://doi.org/10.1577/1548-8659(1956)18[99:sofsaf]2.0.co
Autor:
Howard P. Clemens, Mayo Martin
Publikováno v:
Transactions of the American Fisheries Society. 82:166-177
The use of rotenone as a means of eradicating fish was studied in 30 ponds distributed throughout Oklahoma, and representing various summer conditions in 1951. In addition, one pond was investigated during the winter. Over 90 percent of the ponds wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0b35310d4b2ae29336a951ab9056609
https://doi.org/10.1577/1548-8659(1952)82[166:eoripr]2.0.co
https://doi.org/10.1577/1548-8659(1952)82[166:eoripr]2.0.co
Autor:
Howard P. Clemens, Kermit E. Sneed
Publikováno v:
The Progressive Fish-Culturist. 20:8-15
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::407ef8a9284b93910ba7978f9f3f2cf9
https://doi.org/10.1577/1548-8659(1958)20[8:tccosd]2.0.co
https://doi.org/10.1577/1548-8659(1958)20[8:tccosd]2.0.co
Autor:
Howard P. Clemens, Joe C. Finnell
Publikováno v:
Transactions of the American Fisheries Society. 85:18-27
A year-round study was made of a prairie stream polluted with brine wastes from oil wells to learn more about the biological conditions in waters high in chlorides. Concentrations ranged from 20,000 p.p.m. chlorides at the headwaters to 100 p.p.m. at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55c6d7550b9c8cff4ecb5399c22fa2d0
https://doi.org/10.1577/1548-8659(1955)85[18:bciabs]2.0.co
https://doi.org/10.1577/1548-8659(1955)85[18:bciabs]2.0.co
Autor:
Theophilus Inslee, Howard P. Clemens
Publikováno v:
Transactions of the American Fisheries Society. 97:18-21
Tilapia mossambica fry were treated for the first 69 days of life with 0, 10, 20, 30, 40, and 50 µg of methyl testosterone per gram of food in order to change the sex of presumptive females to functional males. After treatment, the fish were raised
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40c58b261aa02d761c9a11ccca1e5062
https://doi.org/10.1577/1548-8659(1968)97[18:tpoubb]2.0.co
https://doi.org/10.1577/1548-8659(1968)97[18:tpoubb]2.0.co
Autor:
F. Blake Grant, Howard P. Clemens
Publikováno v:
Zoologica : scientific contributions of the New York Zoological Society.. 49:193-210
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b78911ec60d85d1ce2f78c9f02a954b7
https://doi.org/10.5962/p.203301
https://doi.org/10.5962/p.203301