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1
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{
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2
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"stock_name" : "Macquaria ambigua - 57",
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3
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"license_id" : "CC-BY-SA-4.0",
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4
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"version" : 1.0,
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5
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"status_grsf_record" : "pending",
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6
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"stock_uri" : "http://www.bluebridge-vres.eu/grsf/stock/1c9e7018-0a2d-35dc-b827-c697ff719a68",
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7
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"grsf_uuid" : "1c9e7018-0a2d-35dc-b827-c697ff719a68",
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8
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"short_name" : "Golden perch - Southern Australia (Murray-Darling Basin)",
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9
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"description" : "Golden perch - Southern Australia (Murray-Darling Basin)",
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10
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"grsf_type" : "assessment unit",
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11
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"sdg_flag" : false,
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12
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"refers_to" : [ {
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13
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"id" : "4680f7cc-22e7-31f3-a115-f5c9954a36d4",
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14
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"url" : "https://data.d4science.org/ctlg/GRSF_Admin/4680f7cc-22e7-31f3-a115-f5c9954a36d4"
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15
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} ],
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16
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"species" : [ "Code: MCA, Classification System: ASFIS, Scientific Name: Macquaria ambigua" ],
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17
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"assessment_area" : [ "Code: 57, System: fao, Name: 57" ],
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18
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"scientific_advice" : [ "Reference Points Last updated on 24 Oct 2016 Upper and lower reference points for the catch and CPUE RPs were the estimated highest and lowest values during the reference period. Upper and lower trend (rate-of change) PIs for catch and CPUE were estimated from the highest and lowest slope of the linear relationships for 4 year periods within the reference period (Sloan 2005). [DB Source: FishSource]" ],
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19
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"state_and_trend_of_marine_resources" : [ {
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20
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"value" : "Targeted catches from Lake Alexandrina comprised 69% (5-year average 2006-07 to 2010-11) of catches and followed the same temporal trends as total catch (Ferguson and Ye 2012). Populations of golden perch may be vulnerable to over-exploitation. The available information suggests that the golden perch resource in Lake Alexandrina is sustainably exploited (Ferguson and Ye 2012). Trends Last updated on 24 Oct 2016 Annual commercial catches of golden perch were below 40 t from 1984-85 to 1991- 92 then increased steeply to an historical peak of 206.4 t in 1994-95. Catches subsequently declined to 36.3 t in 2001-02 then increased to a second smaller historical peak of 151.9 t in 2006-07. After 2006-07 catches declined to 49.2 t in 2009-10, before increasing to 67.4 t in 2010-11. Almost all commercial catches of golden perch (>99.7%) were taken with large mesh gill nets (Ferguson and Ye 2012). [DB Source: FishSource]",
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21
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"reference_year" : -1
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22
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} ],
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23
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"connected" : [ "https://data.d4science.org/ctlg/GRSF_Admin/b0ab34f1-7596-3517-af3b-41ebfffeecf3", "https://data.d4science.org/ctlg/GRSF_Admin/a3537564-6923-3579-9336-b9d40020d144", "https://data.d4science.org/ctlg/GRSF_Admin/a8c67aad-4fc8-311f-a86e-119cdba32438", "https://data.d4science.org/ctlg/GRSF_Admin/7f33082c-2f8a-3e41-aa81-4cd2620f3be1" ],
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24
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"connections_indicator" : "connected",
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25
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"grsf_semantic_identifier" : "asfis:MCA+fao:57",
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26
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"spatial" : "{\"type\":\"Polygon\",\"coordinates\":[[[114.1602,-39.5915],[114.1602,-31.1416],[144.1144,-31.1416],[144.1144,-39.5915],[114.1602,-39.5915]]]}",
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27
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"similarities_indicator" : "without similar records",
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28
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"citation" : "© D4Science.org. Macquaria ambigua - 57. In: Global Record of Stocks and Fisheries (GRSF). Consiglio Nazionale delle Ricerche, CNR. Version: 1.0. Updated: October 15, 2021. Accessed: [Date accessed and/or downloaded]. http://data.d4science.org/ctlg/GRSF_Admin/1c9e7018-0a2d-35dc-b827-c697ff719a68. Database sources: [FishSource]"
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29
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}
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