斯瓦尔巴群岛周围海域生物生产力的水化学基础

Q3 Agricultural and Biological Sciences
A. Namyatov, P. Makarevich, I. Tokarev, Ivan Pastuhov
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引用次数: 0

摘要

这项研究为研究海洋生态系统一般生物生产的一部分,即初级生产提供了一种相当新的方法。所提出的方法由两个技术块组成。水文区块提供了对基本水团数量的估计,该估计基于盐度和δ18O稳定同位素值。生态系统区块的技术提供了基于水团组成、水团核心营养物质浓度和营养物质储量变化的初级生产计算。养分储量的变化率通过与下层平流或交换导致的养分流入或流出所引起的非生产成分进行校正。另一个校正与光合作用同时进行的营养再生有关。这项技术在斯瓦尔巴群岛周围海域进行了测试和验证。通过使用δ18О同位素参数(旨在在未来添加δ2H)、盐度和营养成分的组合,本方法允许将海洋生态系统的领域,包括其水文、水化学和水生生物(浮游植物)过程,视为它们之间关系的单体系统。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Hydrochemical basis of marine waters biological productivity surrounding Svalbard archipelago
This study provides a rather new approach to research on a portion of general biological production of marine ecosystems, namely on primary production. The methodology presented consists of two blocks of techniques. The hydrological block provides for an estimate of the amounts of basic water masses, the estimate being based on the salinity and δ18O stable isotope value. The techniques of the ecosystem block provide for a calculation of primary production based on the water mass composition, nutrients concentrations in the cores of the water masses, and changes in nutrients reserves. The rate of the nutrients reserve change is corrected by the non-productive component caused by the inflow or outflow of the nutrient as a result of advection or exchange with underlying layers. Another correction is related to nutrient regeneration going in parallel to photosynthesis. The technique was tested and verified in the waters around the Svalbard archipelago. By using a combination of δ18О isotope parameter (with an intention to add δ2H in the future), salinity, and nutrients composition, the present methodology allows to consider the domain of the marine ecosystem comprising its hydrological, hydrochemical, and hydrobiological (phytoplankton) processes as a single system of their relationships.
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来源期刊
Biological Communications
Biological Communications Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)
CiteScore
1.70
自引率
0.00%
发文量
21
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