...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Marine ecology progress series >Temporal trends in the biomass of three epibenthic invertebrates from the deep-sea observatory HAUSGARTEN (Fram Strait, Arctic Ocean)
【24h】

Temporal trends in the biomass of three epibenthic invertebrates from the deep-sea observatory HAUSGARTEN (Fram Strait, Arctic Ocean)

机译：深海天文台豪斯加滕（北冰洋弗拉姆海峡）的三种表皮无脊椎动物生物量的时间趋势

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

In a bid to further understand processes that influence deep-sea epibenthic megafauna, which fulfil critical roles in the global carbon cycle, we present data from the Arctic Long-Term Ecological Research observatory HAUSGARTEN, in the Fram Strait, showing significant temporal changes in total biomass of 3 key organisms (Kolga hyalina, Elpidia heckeri and Mohnia spp.) at stations N3, HG-IV and S3 during repeated deployments over a time series spanning 2004-2015. Overall, all species investigated displayed a similar reproduction/recruitment cycle, with increasing mean mass per individual leading to decreases in abundance, and vice versa. However, there were 3 a??eventsa?? that deviated from this pattern. The first was a mass reproduction event of E. heckeri at HG-IV from 2012 onwards, likely due to an increased carrying capacity. The second event involved migration of K. hyalina from HG-IV between 2004-2007, with a return in 2011. This coincided with a shift in the composition of the particle flux at the station. The final event was a mass migration of K. hyalina to N3 between 2004 (0 ind. m-2) and 2007 (4.765 ?± 0.084 ind. m-2). This event coincided with a 4-fold increase in phytodetrital food availability at the seafloor at N3. Our results highlight the importance of time-series studies to ascertain the key factors that influence epibenthic megafaunal communities. They also highlight the fact that more needs to be done in understanding the life history of these organisms, as this understanding is, so far, widely lacking.
机译：为了进一步了解影响深海表皮大型动物的过程，这些过程在全球碳循环中起着至关重要的作用，我们提供了来自弗拉姆海峡北极长期生态研究观测站豪斯加滕的数据，显示了总时间的重大变化N3，HG-IV和S3站上的3种关键生物（Kolga hyalina，Elpidia heckeri和Mohnia spp。）的生物量在2004-2015年的时间序列中重复部署。总体而言，所调查的所有物种都表现出相似的繁殖/招募周期，每人的平均质量增加导致丰度降低，反之亦然。但是，有3个事件？偏离了这种模式。第一个事件是从2012年起在HG-IV上进行的一次大肠埃希菌的大规模繁殖事件，这可能是由于承载能力的提高。第二个事件涉及透明假丝酵母在2004-2007年之间从HG-IV迁移，并于2011年返回。这与该站的粒子通量组成发生了变化。最后的事件是在2004年（0 ind。m-2）和2007年（4.765±±0.084 ind。m-2）之间，K。hyalina大量迁移到N3。此事件与N3海底的植物碎屑食物供应量增加了4倍相吻合。我们的结果强调了时序研究对于确定影响表皮巨兽群落的关键因素的重要性。他们还强调了这样一个事实，即到目前为止，人们对这些生物的生活史的了解尚需做很多工作。

著录项

相似文献

  • 外文文献
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号