Estimates of sediment and nutrient loads in 10 major catchments draining to the Great Barrier Reef during 2006–2009
► Sediment and nutrient data collected from GBR catchments over 3years. ► Coordinated monitoring established exports over large geographic area. ► Notable regional contrasts in contaminant exports among GBR catchments. ► Highest exports but lowest yields emitted by large, dry, grazing catchments. ►...
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| Veröffentlicht in: | Marine pollution bulletin 2012-01, Vol.65 (4-9), p.150-166 |
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| container_title | Marine pollution bulletin |
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| creator | Joo, Marianna Raymond, Myriam A.A. McNeil, Vivienne H. Huggins, Raethea Turner, Ryan D.R. Choy, Satish |
| description | ► Sediment and nutrient data collected from GBR catchments over 3years. ► Coordinated monitoring established exports over large geographic area. ► Notable regional contrasts in contaminant exports among GBR catchments. ► Highest exports but lowest yields emitted by large, dry, grazing catchments. ► Highest yields produced by the small, wet, intensively cultivated catchments.
The Great Barrier Reef (GBR) catchment area has been monitored simultaneously for sediment and nutrient exports from 10 priority catchments discharging into the GBR lagoon between 2006 and 2009. This allows GBR catchment-wide exports to be estimated and spatially compared within a discrete time-frame. Elevated levels of sediment and nutrient exports were recorded in all monitored catchments as compared to pre-European estimates, but vary around previous estimates of mean annual loads. During the period of monitoring, the Burdekin and Fitzroy catchments contributed the highest sediment and nutrient exports, however when loads were normalised for area, these catchments produced the lowest unit yields. In contrast, the highest yields were produced in the wetter and proportionately more intensively cultivated Johnstone, O’Connell, and Pioneer catchments particularly for dissolved nitrogens. This assessment offers the necessary scientific foundation for future monitoring, assessment, and management of sediment and nutrient loads entering the GBR. |
| doi_str_mv | 10.1016/j.marpolbul.2012.01.002 |
| format | Article |
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The Great Barrier Reef (GBR) catchment area has been monitored simultaneously for sediment and nutrient exports from 10 priority catchments discharging into the GBR lagoon between 2006 and 2009. This allows GBR catchment-wide exports to be estimated and spatially compared within a discrete time-frame. Elevated levels of sediment and nutrient exports were recorded in all monitored catchments as compared to pre-European estimates, but vary around previous estimates of mean annual loads. During the period of monitoring, the Burdekin and Fitzroy catchments contributed the highest sediment and nutrient exports, however when loads were normalised for area, these catchments produced the lowest unit yields. In contrast, the highest yields were produced in the wetter and proportionately more intensively cultivated Johnstone, O’Connell, and Pioneer catchments particularly for dissolved nitrogens. This assessment offers the necessary scientific foundation for future monitoring, assessment, and management of sediment and nutrient loads entering the GBR.</description><identifier>ISSN: 0025-326X</identifier><identifier>EISSN: 1879-3363</identifier><identifier>DOI: 10.1016/j.marpolbul.2012.01.002</identifier><identifier>PMID: 22405805</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Agriculture - statistics & numerical data ; Australia ; Calculated load ; Conservation of Natural Resources ; Coral Reefs ; Environmental Monitoring ; Flood event ; Geologic Sediments - chemistry ; Great Barrier Reef ; Marine ; Models, Chemical ; monitoring ; Monitoring data ; Nitrogen - analysis ; Nutrient ; Phosphorus - analysis ; pollution load ; sediments ; Suspended solids ; Water Pollutants, Chemical - analysis ; water pollution ; Water Pollution, Chemical - statistics & numerical data ; watersheds</subject><ispartof>Marine pollution bulletin, 2012-01, Vol.65 (4-9), p.150-166</ispartof><rights>2012 Elsevier Ltd</rights><rights>Copyright © 2012 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a484t-b8798cbc326f121e3f204d6e41e0558c6dfcf947d76d04865dbd56248689e08c3</citedby><cites>FETCH-LOGICAL-a484t-b8798cbc326f121e3f204d6e41e0558c6dfcf947d76d04865dbd56248689e08c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0025326X12000033$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27903,27904,65309</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22405805$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Joo, Marianna</creatorcontrib><creatorcontrib>Raymond, Myriam A.A.</creatorcontrib><creatorcontrib>McNeil, Vivienne H.</creatorcontrib><creatorcontrib>Huggins, Raethea</creatorcontrib><creatorcontrib>Turner, Ryan D.R.</creatorcontrib><creatorcontrib>Choy, Satish</creatorcontrib><title>Estimates of sediment and nutrient loads in 10 major catchments draining to the Great Barrier Reef during 2006–2009</title><title>Marine pollution bulletin</title><addtitle>Mar Pollut Bull</addtitle><description>► Sediment and nutrient data collected from GBR catchments over 3years. ► Coordinated monitoring established exports over large geographic area. ► Notable regional contrasts in contaminant exports among GBR catchments. ► Highest exports but lowest yields emitted by large, dry, grazing catchments. ► Highest yields produced by the small, wet, intensively cultivated catchments.
The Great Barrier Reef (GBR) catchment area has been monitored simultaneously for sediment and nutrient exports from 10 priority catchments discharging into the GBR lagoon between 2006 and 2009. This allows GBR catchment-wide exports to be estimated and spatially compared within a discrete time-frame. Elevated levels of sediment and nutrient exports were recorded in all monitored catchments as compared to pre-European estimates, but vary around previous estimates of mean annual loads. During the period of monitoring, the Burdekin and Fitzroy catchments contributed the highest sediment and nutrient exports, however when loads were normalised for area, these catchments produced the lowest unit yields. In contrast, the highest yields were produced in the wetter and proportionately more intensively cultivated Johnstone, O’Connell, and Pioneer catchments particularly for dissolved nitrogens. This assessment offers the necessary scientific foundation for future monitoring, assessment, and management of sediment and nutrient loads entering the GBR.</description><subject>Agriculture - statistics & numerical data</subject><subject>Australia</subject><subject>Calculated load</subject><subject>Conservation of Natural Resources</subject><subject>Coral Reefs</subject><subject>Environmental Monitoring</subject><subject>Flood event</subject><subject>Geologic Sediments - chemistry</subject><subject>Great Barrier Reef</subject><subject>Marine</subject><subject>Models, Chemical</subject><subject>monitoring</subject><subject>Monitoring data</subject><subject>Nitrogen - analysis</subject><subject>Nutrient</subject><subject>Phosphorus - analysis</subject><subject>pollution load</subject><subject>sediments</subject><subject>Suspended solids</subject><subject>Water Pollutants, Chemical - analysis</subject><subject>water pollution</subject><subject>Water Pollution, Chemical - statistics & numerical data</subject><subject>watersheds</subject><issn>0025-326X</issn><issn>1879-3363</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkUFu1TAQQC0Eop_CFaiXbBLGTuLYy1KVglQJCajEznLsSeuvJP7YDhI77sANOQmOfum2rMa23sx45hFyxqBmwMTbfT2beAjTsE41B8ZrYDUAf0J2TPaqahrRPCW78tJVDRffTsiLlPYA0POePScnnLfQSeh2ZL1M2c8mY6JhpAmdn3HJ1CyOLmuOfrtMwbhE_UIZ0NnsQ6TWZHu3gYm6aPzil1uaA813SK8imkzfmVhyI_2MOFK3xg3gAOLPr98lqJfk2WimhK_u4ym5eX_59eJDdf3p6uPF-XVlWtnmaiizSDvYMsLIOMNm5NA6gS1D6DpphRvtqNre9cJBK0XnBtcJXk5SIUjbnJI3x7qHGL6vmLKefbI4TWbBsCbNFFNKKCbgcRS4BN4r1fwPCrIpm97Q_ojaGFKKOOpDLOuOPwukN5N6rx9M6s2kBqaLt5L5-r7JOszoHvL-qSvA2REYTdDmNvqkb76UCqJoZozJrfn5kcCy4h9Fh062CLVFckSbtQv-0W_8BSXJu2U</recordid><startdate>20120101</startdate><enddate>20120101</enddate><creator>Joo, Marianna</creator><creator>Raymond, Myriam A.A.</creator><creator>McNeil, Vivienne H.</creator><creator>Huggins, Raethea</creator><creator>Turner, Ryan D.R.</creator><creator>Choy, Satish</creator><general>Elsevier Ltd</general><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7ST</scope><scope>7TN</scope><scope>7TV</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope><scope>SOI</scope><scope>H96</scope></search><sort><creationdate>20120101</creationdate><title>Estimates of sediment and nutrient loads in 10 major catchments draining to the Great Barrier Reef during 2006–2009</title><author>Joo, Marianna ; 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The Great Barrier Reef (GBR) catchment area has been monitored simultaneously for sediment and nutrient exports from 10 priority catchments discharging into the GBR lagoon between 2006 and 2009. This allows GBR catchment-wide exports to be estimated and spatially compared within a discrete time-frame. Elevated levels of sediment and nutrient exports were recorded in all monitored catchments as compared to pre-European estimates, but vary around previous estimates of mean annual loads. During the period of monitoring, the Burdekin and Fitzroy catchments contributed the highest sediment and nutrient exports, however when loads were normalised for area, these catchments produced the lowest unit yields. In contrast, the highest yields were produced in the wetter and proportionately more intensively cultivated Johnstone, O’Connell, and Pioneer catchments particularly for dissolved nitrogens. This assessment offers the necessary scientific foundation for future monitoring, assessment, and management of sediment and nutrient loads entering the GBR.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>22405805</pmid><doi>10.1016/j.marpolbul.2012.01.002</doi><tpages>17</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Agriculture - statistics & numerical data Australia Calculated load Conservation of Natural Resources Coral Reefs Environmental Monitoring Flood event Geologic Sediments - chemistry Great Barrier Reef Marine Models, Chemical monitoring Monitoring data Nitrogen - analysis Nutrient Phosphorus - analysis pollution load sediments Suspended solids Water Pollutants, Chemical - analysis water pollution Water Pollution, Chemical - statistics & numerical data watersheds |
| title | Estimates of sediment and nutrient loads in 10 major catchments draining to the Great Barrier Reef during 2006–2009 |
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