Effects of Environmental Gradients on the Biomass of Alien Cercopagis pengoi in the Neva Estuary
Biological invasions are a global trend due to globalization of the world. An important goal of invasion biology is to identify environmental characteristics that may make a region receptive to invasions. We tested the hypothesis that environmental variables have stronger effect on the biomass of th...
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| description | Biological invasions are a global trend due to globalization of the world. An important goal of invasion biology is to identify environmental characteristics that may make a region receptive to invasions. We tested the hypothesis that environmental variables have stronger effect on the biomass of the alien Cercopagis pengoi in the Neva Estuary than biotic interactions with other zooplankton species. Hierarchical cluster, principal component and Pearson correlation analyzes were used to elucidate changes within the zooplankton community along environmental gradients. The data analysis showed that the biomass of C. pengoi was higher in waters with higher salinity, low temperature, high transparency, lower chlorophyll a concentration and lower proportion of chlorophyll in particulate suspended matter. The biomass of C. pengoi showed significant positive correlations with biomasses of its potential preys. However, we did not find direct significant negative correlations between C. pengoi and larger zooplankton predators Leptodora kindtii and Bythotrephes spp. This research generally supports the hypothesis that if environmental variables are appropriate for an exotic species, then that species is likely to invade successfully, regardless of the native species already present. |
| doi_str_mv | 10.3389/fmars.2020.573289 |
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An important goal of invasion biology is to identify environmental characteristics that may make a region receptive to invasions. We tested the hypothesis that environmental variables have stronger effect on the biomass of the alien Cercopagis pengoi in the Neva Estuary than biotic interactions with other zooplankton species. Hierarchical cluster, principal component and Pearson correlation analyzes were used to elucidate changes within the zooplankton community along environmental gradients. The data analysis showed that the biomass of C. pengoi was higher in waters with higher salinity, low temperature, high transparency, lower chlorophyll a concentration and lower proportion of chlorophyll in particulate suspended matter. The biomass of C. pengoi showed significant positive correlations with biomasses of its potential preys. However, we did not find direct significant negative correlations between C. pengoi and larger zooplankton predators Leptodora kindtii and Bythotrephes spp. This research generally supports the hypothesis that if environmental variables are appropriate for an exotic species, then that species is likely to invade successfully, regardless of the native species already present.</description><identifier>ISSN: 2296-7745</identifier><identifier>EISSN: 2296-7745</identifier><identifier>DOI: 10.3389/fmars.2020.573289</identifier><language>eng</language><publisher>LAUSANNE: Frontiers Media Sa</publisher><subject>Baltic Sea ; Biological invasions ; Biology ; Biomass ; biotic interactions ; Cercopagis pengoi ; Chlorophyll ; Chlorophyll a ; Ecosystem biology ; Environmental effects ; Environmental gradient ; Environmental Sciences ; Environmental Sciences & Ecology ; Estuaries ; Estuarine dynamics ; Globalization ; Gradients ; Gulf of Finland ; Indigenous species ; Introduced species ; Invasions ; invasive species ; Life Sciences & Biomedicine ; Low temperature ; Marine & Freshwater Biology ; Native organisms ; Native species ; Predators ; Salinity ; Science & Technology ; Suspended matter ; Variables ; Zooplankton</subject><ispartof>Frontiers in Marine Science, 2020-12, Vol.7, Article 573289</ispartof><rights>2020. 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Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>3</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wos000600691400001</woscitedreferencesoriginalsourcerecordid><citedby>FETCH-LOGICAL-c382t-af2524a616fa279b84d2e0597c177e641c83b8211545558eb2194ff62b4f1953</citedby><cites>FETCH-LOGICAL-c382t-af2524a616fa279b84d2e0597c177e641c83b8211545558eb2194ff62b4f1953</cites><orcidid>0000-0002-9308-2062 ; 0000-0002-6808-5421</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,865,2103,2115,27929,27930,28253</link.rule.ids></links><search><creatorcontrib>Golubkov, Mikhail S.</creatorcontrib><creatorcontrib>Litvinchuk, Larisa F.</creatorcontrib><creatorcontrib>Golubkov, Sergey M.</creatorcontrib><title>Effects of Environmental Gradients on the Biomass of Alien Cercopagis pengoi in the Neva Estuary</title><title>Frontiers in Marine Science</title><addtitle>FRONT MAR SCI</addtitle><description>Biological invasions are a global trend due to globalization of the world. An important goal of invasion biology is to identify environmental characteristics that may make a region receptive to invasions. We tested the hypothesis that environmental variables have stronger effect on the biomass of the alien Cercopagis pengoi in the Neva Estuary than biotic interactions with other zooplankton species. Hierarchical cluster, principal component and Pearson correlation analyzes were used to elucidate changes within the zooplankton community along environmental gradients. The data analysis showed that the biomass of C. pengoi was higher in waters with higher salinity, low temperature, high transparency, lower chlorophyll a concentration and lower proportion of chlorophyll in particulate suspended matter. The biomass of C. pengoi showed significant positive correlations with biomasses of its potential preys. However, we did not find direct significant negative correlations between C. pengoi and larger zooplankton predators Leptodora kindtii and Bythotrephes spp. This research generally supports the hypothesis that if environmental variables are appropriate for an exotic species, then that species is likely to invade successfully, regardless of the native species already present.</description><subject>Baltic Sea</subject><subject>Biological invasions</subject><subject>Biology</subject><subject>Biomass</subject><subject>biotic interactions</subject><subject>Cercopagis pengoi</subject><subject>Chlorophyll</subject><subject>Chlorophyll a</subject><subject>Ecosystem biology</subject><subject>Environmental effects</subject><subject>Environmental gradient</subject><subject>Environmental Sciences</subject><subject>Environmental Sciences & Ecology</subject><subject>Estuaries</subject><subject>Estuarine dynamics</subject><subject>Globalization</subject><subject>Gradients</subject><subject>Gulf of Finland</subject><subject>Indigenous species</subject><subject>Introduced species</subject><subject>Invasions</subject><subject>invasive species</subject><subject>Life Sciences & Biomedicine</subject><subject>Low temperature</subject><subject>Marine & Freshwater Biology</subject><subject>Native organisms</subject><subject>Native species</subject><subject>Predators</subject><subject>Salinity</subject><subject>Science & Technology</subject><subject>Suspended matter</subject><subject>Variables</subject><subject>Zooplankton</subject><issn>2296-7745</issn><issn>2296-7745</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AOWDO</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>DOA</sourceid><recordid>eNqNkUFvGyEQhVHUSonc_IDekHqs7MIACxyTletEitpL7pRlwcWyFxdwovz7EG8V9VgJiRHz3hs0H0KfKVkxpvS3cLC5rIAAWQnJQOkLdAWgu6WUXHz4p75E16XsCCGUcSK4vkK_1iF4VwtOAa-np5jTdPBTtXu8yXaMrWytCdffHt_GdLDlrLzZtw7ufXbpaLex4KOftiniOCt_-CeL16WebH75hD4Guy_--u-9QI_f14_93fLh5-a-v3lYOqagLm0AAdx2tAsWpB4UH8EToaWjUvqOU6fYoIBSwYUQyg9ANQ-hg4EHqgVboPs5dkx2Z445tpW8mGSjOT-kvDU21-j23gwtAyxXMAjGJfCBBsZgZCMPvs0iLevLnHXM6c_Jl2p26ZSn9nsDXBIKSnHZVHRWuZxKyT68T6XEvGExZyzmDYuZsTTP19nz7IcUimtbdP7d17h07WjKyRnRAqn_V_ex2hrT1KfTVNkrsSWfvw</recordid><startdate>20201215</startdate><enddate>20201215</enddate><creator>Golubkov, Mikhail S.</creator><creator>Litvinchuk, Larisa F.</creator><creator>Golubkov, Sergey M.</creator><general>Frontiers Media Sa</general><general>Frontiers Research Foundation</general><general>Frontiers Media S.A</general><scope>AOWDO</scope><scope>BLEPL</scope><scope>DTL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TN</scope><scope>7XB</scope><scope>88I</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M2P</scope><scope>M7P</scope><scope>PCBAR</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0002-9308-2062</orcidid><orcidid>https://orcid.org/0000-0002-6808-5421</orcidid></search><sort><creationdate>20201215</creationdate><title>Effects of Environmental Gradients on the Biomass of Alien Cercopagis pengoi in the Neva Estuary</title><author>Golubkov, Mikhail S. ; 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| subjects | Baltic Sea Biological invasions Biology Biomass biotic interactions Cercopagis pengoi Chlorophyll Chlorophyll a Ecosystem biology Environmental effects Environmental gradient Environmental Sciences Environmental Sciences & Ecology Estuaries Estuarine dynamics Globalization Gradients Gulf of Finland Indigenous species Introduced species Invasions invasive species Life Sciences & Biomedicine Low temperature Marine & Freshwater Biology Native organisms Native species Predators Salinity Science & Technology Suspended matter Variables Zooplankton |
| title | Effects of Environmental Gradients on the Biomass of Alien Cercopagis pengoi in the Neva Estuary |
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