内部生态系统反馈增强了波罗的海固氮蓝藻的繁殖并使管理复杂化(英文)

——Internal Ecosystem Feedbacks Enhance Nitrogen-fixing Cyanobacteria Blooms and Complicate Management in the Baltic Sea

作者/编者:BioOne
作者单位:
创作年代:2007
出处/来源:BioOne
学科分类:海洋法学
所属机构:
文献语种:英文

摘要

Cyanobacteria capable of biological fixation of dissolved atmospheric dinitrogen gas (N2 fixation) form extensive blooms which have been a recurring phenomenon in the Baltic Sea since at least the 1960s (1). They are noxious and relevant to the ecosystem and to society because of the formation of a conspicuous surface scum, toxicity, and large nitrogen inputs through N2 fixation. Traditionally, phosphorus alone has been considered as the limiting nutrient for N2-fixing cyanobacteria.In this article we present how elemental cycles of nitrogen and oxygen are interlinked with the phosphorus cycle in basin-wide and long-term processes. To manage cyanobacteria blooms, we must resolve the relative importance of nutrient supply and internal biogeochemical processes.

关键词: 波罗的海 海洋保护 生态系统 蓝藻 the Baltic Sea

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内部生态系统反馈增强了波罗的海固氮蓝藻的繁殖并使管理复杂化(英文)

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