Blue-green algae and fish population changes in a eutrophic estuary
Evidence is presented which indicates that dense blooms of the blue-green alga Nodularia spumigena have affected fish and crab populations in a large estuarine system in south-western Australia. For example, the numbers of fish were generally very low at sites in which the chlorophyll a level, an ex...
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| Veröffentlicht in: | Marine pollution bulletin 1983-01, Vol.14 (6), p.228-233 |
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| container_title | Marine pollution bulletin |
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| creator | Potter, I.C Loneragan, N.R Lenanton, R.C.J Chrystal, P.J |
| description | Evidence is presented which indicates that dense blooms of the blue-green alga
Nodularia spumigena have affected fish and crab populations in a large estuarine system in south-western Australia. For example, the numbers of fish were generally very low at sites in which the chlorophyll
a level, an excellent indicator of
Nodularia density during the late spring and summer, was above 100 μgl
−1. Moreover, commercial fishermen have recorded greatly reduced catches in
Nodularia-affected areas and dead fish and crabs were found in regions where
Nodularia was very dense. While the effects of this blue-green alga apparently led to death in the case of some bottom-living species in the most affected parts of the system, more active species moved into regions where
Nodularia was virtually absent. |
| doi_str_mv | 10.1016/0025-326X(83)90257-6 |
| format | Article |
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Nodularia spumigena have affected fish and crab populations in a large estuarine system in south-western Australia. For example, the numbers of fish were generally very low at sites in which the chlorophyll
a level, an excellent indicator of
Nodularia density during the late spring and summer, was above 100 μgl
−1. Moreover, commercial fishermen have recorded greatly reduced catches in
Nodularia-affected areas and dead fish and crabs were found in regions where
Nodularia was very dense. While the effects of this blue-green alga apparently led to death in the case of some bottom-living species in the most affected parts of the system, more active species moved into regions where
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Nodularia spumigena have affected fish and crab populations in a large estuarine system in south-western Australia. For example, the numbers of fish were generally very low at sites in which the chlorophyll
a level, an excellent indicator of
Nodularia density during the late spring and summer, was above 100 μgl
−1. Moreover, commercial fishermen have recorded greatly reduced catches in
Nodularia-affected areas and dead fish and crabs were found in regions where
Nodularia was very dense. While the effects of this blue-green alga apparently led to death in the case of some bottom-living species in the most affected parts of the system, more active species moved into regions where
Nodularia was virtually absent.</description><subject>Brackish</subject><subject>Decapoda</subject><subject>estuaries</subject><subject>Nodularia spumigena</subject><issn>0025-326X</issn><issn>1879-3363</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1983</creationdate><recordtype>article</recordtype><recordid>eNqNkE1LAzEQhoMoWKv_QHBPoofVycdmNxdBi19Q8KAFbyFNJ21ku7smu4L_3tSKR_E0vPC8M8xDyDGFCwpUXgKwIudMvp5V_FylUOZyh4xoVaqcc8l3yegX2ScHMb4BQMlKOiKTm3rAfBkQm8zUS4OZaRaZ83GVdW031Kb3bZPZlWmWGDOfoAyHPrTdytsMYz-Y8HlI9pypIx79zDGZ3d2-TB7y6dP94-R6mluuoM-pK7kEIaqyZIUrEISagzIKykI4a1NgTjpV0EKwyjGcG6VQLqQTzAigjI_J6XZvF9r3IR3Xax8t1rVpsB2iprySjIP4BygFU6JIoNiCNrQxBnS6C36dXtIU9Eat3njTG2-64vpbrZapdrKtOdNqsww-6tkzA8qBSUYLSRNxtSUw-fjwGHS0HhuLCx_Q9nrR-r9PfAE5-IfZ</recordid><startdate>19830101</startdate><enddate>19830101</enddate><creator>Potter, I.C</creator><creator>Loneragan, N.R</creator><creator>Lenanton, R.C.J</creator><creator>Chrystal, P.J</creator><general>Elsevier Ltd</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7TN</scope><scope>7TV</scope><scope>C1K</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>M7N</scope><scope>7QH</scope></search><sort><creationdate>19830101</creationdate><title>Blue-green algae and fish population changes in a eutrophic estuary</title><author>Potter, I.C ; Loneragan, N.R ; Lenanton, R.C.J ; Chrystal, P.J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c390t-1f73604487725f5e049b09a90754fcc9b02f6f9515428f2eba99e6d6f42a40123</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1983</creationdate><topic>Brackish</topic><topic>Decapoda</topic><topic>estuaries</topic><topic>Nodularia spumigena</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Potter, I.C</creatorcontrib><creatorcontrib>Loneragan, N.R</creatorcontrib><creatorcontrib>Lenanton, R.C.J</creatorcontrib><creatorcontrib>Chrystal, P.J</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Pollution 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><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Aqualine</collection><jtitle>Marine pollution bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Potter, I.C</au><au>Loneragan, N.R</au><au>Lenanton, R.C.J</au><au>Chrystal, P.J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Blue-green algae and fish population changes in a eutrophic estuary</atitle><jtitle>Marine pollution bulletin</jtitle><date>1983-01-01</date><risdate>1983</risdate><volume>14</volume><issue>6</issue><spage>228</spage><epage>233</epage><pages>228-233</pages><issn>0025-326X</issn><eissn>1879-3363</eissn><abstract>Evidence is presented which indicates that dense blooms of the blue-green alga
Nodularia spumigena have affected fish and crab populations in a large estuarine system in south-western Australia. For example, the numbers of fish were generally very low at sites in which the chlorophyll
a level, an excellent indicator of
Nodularia density during the late spring and summer, was above 100 μgl
−1. Moreover, commercial fishermen have recorded greatly reduced catches in
Nodularia-affected areas and dead fish and crabs were found in regions where
Nodularia was very dense. While the effects of this blue-green alga apparently led to death in the case of some bottom-living species in the most affected parts of the system, more active species moved into regions where
Nodularia was virtually absent.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/0025-326X(83)90257-6</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0025-326X |
| ispartof | Marine pollution bulletin, 1983-01, Vol.14 (6), p.228-233 |
| issn | 0025-326X 1879-3363 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_13862304 |
| source | Elsevier ScienceDirect Journals |
| subjects | Brackish Decapoda estuaries Nodularia spumigena |
| title | Blue-green algae and fish population changes in a eutrophic estuary |
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