Mussel and scallop dredging
收藏资源简介:
The amount of collected mussels with dredging. Data is presented from the Danish mussel areas within the HELCOM marine areas. The data was made available by HELCOM Contracting Parties in response to data request. The data was received from Denmark. The activity was declared as not relevant in Estonia, Finland, Latvia, Lithuania, Poland, Russia and Sweden. Germany indicated that data is not available. Attribute specification and units: Nr: Identification number of the mussel area Name: Name of the mussel area BluMusl05 – BluMusl15: Amount of Blue mussel (kg) collected per year ComCockl05 – ComCockl15: Amount of Common Cockle (kg) collected per year Sum_BMus: Total amount of collected Blue mussel in 2005 to 2015 (kg) AVG_BMus: A calculated average of the collected blue mussels in 2005 – 2015 (kg/year) AVG_2_BM: A calculated average of the collected blue mussels in HOLAS2 period 2011 – 2015 (kg/year) Sum_ComC: Total amount of the collected common cockles in 2005 – 2015 (kg) AVG_ComC: a calculated average of the collected common cockles in 2005 – 2015 (kg/year) AVG_2_ComC: A calculated average of the collected common cockles in HOLAS2 period 2011 – 2015 (kg/year) Area: The mussel area within the dredging occurs (km2)
本数据集收录拖网捕捞作业所得的贻贝捕捞量,数据源自波罗的海海洋环境保护委员会(HELCOM)管辖海域内的丹麦贻贝养殖区。 该数据集由HELCOM缔约方应数据征集请求提供,数据来源于丹麦。 爱沙尼亚、芬兰、拉脱维亚、立陶宛、波兰、俄罗斯及瑞典均声明该拖网捕捞活动与本国无涉。 德国表示无法提供相关数据。 属性规范与计量单位说明如下: Nr:贻贝养殖区的识别编号 Name:贻贝养殖区名称 BluMusl05 – BluMusl15:2005年至2015年各年度的蓝贻贝(Blue mussel)捕捞量,单位为千克(kg) ComCockl05 – ComCockl15:2005年至2015年各年度的普通鸟尾蛤(Common Cockle)捕捞量,单位为千克(kg) Sum_BMus:2005年至2015年累计蓝贻贝捕捞总量,单位为千克(kg) AVG_BMus:2005年至2015年蓝贻贝年平均捕捞量,单位为千克/年(kg/year) AVG_2_BM:HOLAS2周期(2011年至2015年)内蓝贻贝的年平均捕捞量,单位为千克/年(kg/year) Sum_ComC:2005年至2015年累计普通鸟尾蛤捕捞总量,单位为千克(kg) AVG_ComC:2005年至2015年普通鸟尾蛤年平均捕捞量,单位为千克/年(kg/year) AVG_2_ComC:HOLAS2周期(2011年至2015年)内普通鸟尾蛤的年平均捕捞量,单位为千克/年(kg/year) Area:拖网捕捞作业所在贻贝养殖区的面积,单位为平方千米(km²)



