The Growth of Arctic Marine Phytoplankton in Frobisher Bay

ABSTRACT. During the summers of 1977 and 1978, populations of phytoplankton collected in Frobisher Bay at depths of 0,5,10, 15,20 and 25 m were enclosed in dialysis bags and incubated in situ at the depths from which they were collected. The greatest growth rate of the populations occur-red at 10 m...

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Main Author: Stephen I. C. Hsiao
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
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Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.489.9403
http://pubs.aina.ucalgary.ca/arctic/Arctic38-1-31.pdf
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spelling ftciteseerx:oai:CiteSeerX.psu:10.1.1.489.9403 2023-05-15T14:19:40+02:00 The Growth of Arctic Marine Phytoplankton in Frobisher Bay Stephen I. C. Hsiao The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.489.9403 http://pubs.aina.ucalgary.ca/arctic/Arctic38-1-31.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.489.9403 http://pubs.aina.ucalgary.ca/arctic/Arctic38-1-31.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://pubs.aina.ucalgary.ca/arctic/Arctic38-1-31.pdf text ftciteseerx 2016-01-08T08:24:33Z ABSTRACT. During the summers of 1977 and 1978, populations of phytoplankton collected in Frobisher Bay at depths of 0,5,10, 15,20 and 25 m were enclosed in dialysis bags and incubated in situ at the depths from which they were collected. The greatest growth rate of the populations occur-red at 10 m in July-August 1977 and at 5 m in late Augustearly September 1978. Exponential growth rates and generation times of dominant species of phytoplankton are tabulated. Growth rates ranged from 0.06 to 1.12 divisionday ” and generation times varied from 21.4 to 404.7 hrdvision-I. Light appears to be the major limiting factor for phytoplankton growth in this area; nutrients, temperature and salinity were not limiting in this ex-periment. Key words: growth rates, generation times, arctic marine phytoplankton, limiting factors &UMk Au cours des kt & 1977 et 1978, des populations de phytoplancton eChantillo&s B Frobisher Bay B des profondeurs de 0,5,10,15,20 et 25 m ont 6te i n c u b in situ B I’inttrieur de sacs B dialyse aux profondeurs d’&hantillonnage ci-mentionneeS. Au mois de juillet et d’aofit respective-ment c’est B 10 m de profondeur qu’on a observt la meilleure croissance des populations et B 5 m au cours de la +ride allant de la fin d t, dtbut septembre. Les courbes de croissance, les taux de croissance exponentielle de m&me que les temps de gh5ration des especeS dominantes de phytoplancton sont pr6senteS. Les taux de croissance se sont BchelOnneS entre 0.06 et 1.12 division-jour ” tandis que les temps de gkdration ont varit de 21.4 B 404.7 hr-division”. L’ensoleillement semble &re le facteur limitant principal affectant la croissance du phytoplancton dans cette dgion; la teneur en tlkments nutritifs la tem+rature et la salinitt de l’eau n’ont pas t t t restrictifs dans cette experience. Mots clh: les tau de croissance. les temps de gtnkration, phytoplancton marine de l’arctique, des facteurs limitants Text Arctic Arctic Frobisher Bay Phytoplankton Unknown Arctic Frobisher Bay ENVELOPE(-66.581,-66.581,62.834,62.834)
institution Open Polar
collection Unknown
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description ABSTRACT. During the summers of 1977 and 1978, populations of phytoplankton collected in Frobisher Bay at depths of 0,5,10, 15,20 and 25 m were enclosed in dialysis bags and incubated in situ at the depths from which they were collected. The greatest growth rate of the populations occur-red at 10 m in July-August 1977 and at 5 m in late Augustearly September 1978. Exponential growth rates and generation times of dominant species of phytoplankton are tabulated. Growth rates ranged from 0.06 to 1.12 divisionday ” and generation times varied from 21.4 to 404.7 hrdvision-I. Light appears to be the major limiting factor for phytoplankton growth in this area; nutrients, temperature and salinity were not limiting in this ex-periment. Key words: growth rates, generation times, arctic marine phytoplankton, limiting factors &UMk Au cours des kt & 1977 et 1978, des populations de phytoplancton eChantillo&s B Frobisher Bay B des profondeurs de 0,5,10,15,20 et 25 m ont 6te i n c u b in situ B I’inttrieur de sacs B dialyse aux profondeurs d’&hantillonnage ci-mentionneeS. Au mois de juillet et d’aofit respective-ment c’est B 10 m de profondeur qu’on a observt la meilleure croissance des populations et B 5 m au cours de la +ride allant de la fin d t, dtbut septembre. Les courbes de croissance, les taux de croissance exponentielle de m&me que les temps de gh5ration des especeS dominantes de phytoplancton sont pr6senteS. Les taux de croissance se sont BchelOnneS entre 0.06 et 1.12 division-jour ” tandis que les temps de gkdration ont varit de 21.4 B 404.7 hr-division”. L’ensoleillement semble &re le facteur limitant principal affectant la croissance du phytoplancton dans cette dgion; la teneur en tlkments nutritifs la tem+rature et la salinitt de l’eau n’ont pas t t t restrictifs dans cette experience. Mots clh: les tau de croissance. les temps de gtnkration, phytoplancton marine de l’arctique, des facteurs limitants
author2 The Pennsylvania State University CiteSeerX Archives
format Text
author Stephen I. C. Hsiao
spellingShingle Stephen I. C. Hsiao
The Growth of Arctic Marine Phytoplankton in Frobisher Bay
author_facet Stephen I. C. Hsiao
author_sort Stephen I. C. Hsiao
title The Growth of Arctic Marine Phytoplankton in Frobisher Bay
title_short The Growth of Arctic Marine Phytoplankton in Frobisher Bay
title_full The Growth of Arctic Marine Phytoplankton in Frobisher Bay
title_fullStr The Growth of Arctic Marine Phytoplankton in Frobisher Bay
title_full_unstemmed The Growth of Arctic Marine Phytoplankton in Frobisher Bay
title_sort growth of arctic marine phytoplankton in frobisher bay
url http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.489.9403
http://pubs.aina.ucalgary.ca/arctic/Arctic38-1-31.pdf
long_lat ENVELOPE(-66.581,-66.581,62.834,62.834)
geographic Arctic
Frobisher Bay
geographic_facet Arctic
Frobisher Bay
genre Arctic
Arctic
Frobisher Bay
Phytoplankton
genre_facet Arctic
Arctic
Frobisher Bay
Phytoplankton
op_source http://pubs.aina.ucalgary.ca/arctic/Arctic38-1-31.pdf
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http://pubs.aina.ucalgary.ca/arctic/Arctic38-1-31.pdf
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