Interannual variability in chitobiase-based production rates of the crustacean zooplankton community in the Strait of Georgia
The temporal patterns of biomass development and biomass production rate (BP) of the crustacean zooplankton community in the Strait of Georgia, British Columbia, Canada, were tracked during the spring blooms of 2004 and 2005. BP was estimated directly using a method based on the turnover rate of the...
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| Veröffentlicht in: | Marine ecology. Progress series (Halstenbek) 2009-08, Vol.388, p.147-157 |
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| creator | Sastri, Akash R. Dower, John F. |
| description | The temporal patterns of biomass development and biomass production rate (BP) of the crustacean zooplankton community in the Strait of Georgia, British Columbia, Canada, were tracked during the spring blooms of 2004 and 2005. BP was estimated directly using a method based on the turnover rate of the crustacean moulting enzyme, chitobiase. The relationship between individual chitobiase activity and body weight was found to be consistent for copepods, decapod larvae and mysids. The native activity of chitobiase in the water column was also found to vary significantly with the biomass derived from traditional plankton net tows. In 2004, chitobiase-based estimates of BP generally varied with temperature. The peak BP estimated in the spring of 2004 was 6.10 mg C m–3d–1, corresponding to biomass-dominance of the crustacean zooplankton community by the calanoid copepodNeocalanus plumchrus. In 2005, however, BP was unrelated to temperature and relatively low ( |
| doi_str_mv | 10.3354/meps08111 |
| format | Article |
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BP was estimated directly using a method based on the turnover rate of the crustacean moulting enzyme, chitobiase. The relationship between individual chitobiase activity and body weight was found to be consistent for copepods, decapod larvae and mysids. The native activity of chitobiase in the water column was also found to vary significantly with the biomass derived from traditional plankton net tows. In 2004, chitobiase-based estimates of BP generally varied with temperature. The peak BP estimated in the spring of 2004 was 6.10 mg C m–3d–1, corresponding to biomass-dominance of the crustacean zooplankton community by the calanoid copepodNeocalanus plumchrus. In 2005, however, BP was unrelated to temperature and relatively low (<2 mg C m–3d–1) during the peak and early decline of the spring phytoplankton bloom. During the spring of 2005, the developingN. plumchruspopulation collapsed and has yet to recover.</description><identifier>ISSN: 0171-8630</identifier><identifier>EISSN: 1616-1599</identifier><identifier>DOI: 10.3354/meps08111</identifier><language>eng</language><publisher>Inter-Research</publisher><subject>Animal communities ; Biomass ; Biomass production ; Copepoda ; Crustaceans ; Diatoms ; Enzymes ; Larvae ; Marine ; Neocalanus plumchrus ; Production estimates ; Sea water ; Zooplankton</subject><ispartof>Marine ecology. 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Progress series (Halstenbek)</title><description>The temporal patterns of biomass development and biomass production rate (BP) of the crustacean zooplankton community in the Strait of Georgia, British Columbia, Canada, were tracked during the spring blooms of 2004 and 2005. BP was estimated directly using a method based on the turnover rate of the crustacean moulting enzyme, chitobiase. The relationship between individual chitobiase activity and body weight was found to be consistent for copepods, decapod larvae and mysids. The native activity of chitobiase in the water column was also found to vary significantly with the biomass derived from traditional plankton net tows. In 2004, chitobiase-based estimates of BP generally varied with temperature. The peak BP estimated in the spring of 2004 was 6.10 mg C m–3d–1, corresponding to biomass-dominance of the crustacean zooplankton community by the calanoid copepodNeocalanus plumchrus. In 2005, however, BP was unrelated to temperature and relatively low (<2 mg C m–3d–1) during the peak and early decline of the spring phytoplankton bloom. During the spring of 2005, the developingN. plumchruspopulation collapsed and has yet to recover.</description><subject>Animal communities</subject><subject>Biomass</subject><subject>Biomass production</subject><subject>Copepoda</subject><subject>Crustaceans</subject><subject>Diatoms</subject><subject>Enzymes</subject><subject>Larvae</subject><subject>Marine</subject><subject>Neocalanus plumchrus</subject><subject>Production estimates</subject><subject>Sea water</subject><subject>Zooplankton</subject><issn>0171-8630</issn><issn>1616-1599</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNo90EFLwzAUB_AgCs7pwQ8g5CYeqknTpslRhs7BwIN6Lmn66jLbpCapMMHvbsvGLu9dfu_x3h-ha0ruGcuzhw76QASl9ATNKKc8obmUp2hGaEETwRk5RxchbAmhPCv4DP2tbASvrB1Ui3-UN6oyrYk7bCzWGxNdZVSApBpLjXvv6kFH4yz2KkLArsFxA1j7IUSlQVn861zfKvsVR6Nd1w32sGxyb9ErE6epJTj_adQlOmtUG-Dq0Ofo4_npffGSrF-Xq8XjOtFMZDGRmZQSCKS0oVxURSFYCpSIWgKvtOBCZxlTwKpcN0I1qaASxggkqXmRF5Vkc3S73zt-8D1AiGVngoZ2vBTcEMoiyzkTgk_ybi-1dyF4aMrem075XUlJOSVcHhMe7c3ebkN0_gjTTBQsFzn7B2g0euI</recordid><startdate>20090819</startdate><enddate>20090819</enddate><creator>Sastri, Akash R.</creator><creator>Dower, John F.</creator><general>Inter-Research</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7TN</scope><scope>C1K</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope></search><sort><creationdate>20090819</creationdate><title>Interannual variability in chitobiase-based production rates of the crustacean zooplankton community in the Strait of Georgia</title><author>Sastri, Akash R. ; Dower, John F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c384t-94999e0e21f168b77832e108d9e6bc868c443ae3b5cf8af2819e11190d6757b93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Animal communities</topic><topic>Biomass</topic><topic>Biomass production</topic><topic>Copepoda</topic><topic>Crustaceans</topic><topic>Diatoms</topic><topic>Enzymes</topic><topic>Larvae</topic><topic>Marine</topic><topic>Neocalanus plumchrus</topic><topic>Production estimates</topic><topic>Sea water</topic><topic>Zooplankton</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sastri, Akash R.</creatorcontrib><creatorcontrib>Dower, John F.</creatorcontrib><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Marine ecology. Progress series (Halstenbek)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sastri, Akash R.</au><au>Dower, John F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interannual variability in chitobiase-based production rates of the crustacean zooplankton community in the Strait of Georgia</atitle><jtitle>Marine ecology. Progress series (Halstenbek)</jtitle><date>2009-08-19</date><risdate>2009</risdate><volume>388</volume><spage>147</spage><epage>157</epage><pages>147-157</pages><issn>0171-8630</issn><eissn>1616-1599</eissn><abstract>The temporal patterns of biomass development and biomass production rate (BP) of the crustacean zooplankton community in the Strait of Georgia, British Columbia, Canada, were tracked during the spring blooms of 2004 and 2005. BP was estimated directly using a method based on the turnover rate of the crustacean moulting enzyme, chitobiase. The relationship between individual chitobiase activity and body weight was found to be consistent for copepods, decapod larvae and mysids. The native activity of chitobiase in the water column was also found to vary significantly with the biomass derived from traditional plankton net tows. In 2004, chitobiase-based estimates of BP generally varied with temperature. The peak BP estimated in the spring of 2004 was 6.10 mg C m–3d–1, corresponding to biomass-dominance of the crustacean zooplankton community by the calanoid copepodNeocalanus plumchrus. In 2005, however, BP was unrelated to temperature and relatively low (<2 mg C m–3d–1) during the peak and early decline of the spring phytoplankton bloom. During the spring of 2005, the developingN. plumchruspopulation collapsed and has yet to recover.</abstract><pub>Inter-Research</pub><doi>10.3354/meps08111</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0171-8630 |
| ispartof | Marine ecology. Progress series (Halstenbek), 2009-08, Vol.388, p.147-157 |
| issn | 0171-8630 1616-1599 |
| language | eng |
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| source | Inter-Research; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; JSTOR Archive Collection A-Z Listing; Alma/SFX Local Collection |
| subjects | Animal communities Biomass Biomass production Copepoda Crustaceans Diatoms Enzymes Larvae Marine Neocalanus plumchrus Production estimates Sea water Zooplankton |
| title | Interannual variability in chitobiase-based production rates of the crustacean zooplankton community in the Strait of Georgia |
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