Visions for the North Sea: the societal dilemma behind specifying good environmental status.

Visions for the North Sea: the societal dilemma behind specifying good environmental status.
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DOI:
10.1007/s13280-014-0536-5
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发表时间:
2015-03
期刊:
影响因子:
6.5
通讯作者:
Vermaat, Jan
Vermaat, Jan
中科院分区:
环境科学与生态学2区
文献类型:
--
作者:
Gilbert, Alison J.;McQuatters-Gollop, Abigail;Langmead, Olivia;Mee, Laurence;Vermaat, Jan

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我们通过开发两个极端的愿景和评估其社会效益来增加关于北海良好环境状况的讨论。一种观点(“当时”)假设恢复底栖生物的功能;我们认为拖网捕捞在世纪前就已经使北海南部退化了。现有的信息被用来推测在一个相对不受干扰的北海南部的海底功能。第二个愿景(“现在”)借鉴了最近的海底功能。本文讨论了由底栖生物功能支持的五种生态系统服务的供应。“然后”提供了对可持续供应多样化服务的信心,但恢复过去的功能是不确定的,可能与成本,特别是拖网限制相结合。“现在”提供已知和有价值的服务,但持续提供受到气候变化等因素的威胁。我们不主张任何一种观点。我们的目的是激发关于社会想要什么的辩论,以及可能从未来的北海南部得到什么。本文的在线版本(doi:10.1007/s13280-014-0536-5)包含补充材料,可供授权用户使用。
We augment discussions about the Good Environmental Status of the North Sea by developing two extreme visions and assessing their societal benefits. One vision (‘Then’) assumes restoration of benthic functioning; we contend that trawling had already degraded the southern North Sea a century ago. Available information is used to speculate about benthic functioning in a relatively undisturbed southern North Sea. The second vision (‘Now’) draws on recent benthic functioning. The supply of five ecosystem services, supported by benthic functioning, is discussed. ‘Then’ offers confidence in the sustainable supply of diverse services but restoration of past function is uncertain and likely to be paired with costs, notably trawling restraints. ‘Now’ delivers known and valued services but sustained delivery is threatened by, for example, climate change. We do not advocate either vision. Our purpose is to stimulate debate about what society wants, and might receive, from the future southern North Sea. The online version of this article (doi:10.1007/s13280-014-0536-5) contains supplementary material, which is available to authorized users.
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