Korean stream types based on benthic macroinvertebrate communities according to stream size and altitude.
Korean stream types based on benthic macroinvertebrate communities according to stream size and altitude.
复制标题
DOI：
10.1080/02705060.2017.1402827
复制
发表时间：
2017-01-01
影响因子：
1.3
通讯作者：
Kong, D. S.
中科院分区：
文献类型：
--
作者：
Kim JinYoung, Kim JinYoung;Kim PilJae, Kim PilJae;Kong, D. S.
在许多欧洲国家，基于生物指标的特定类型河流评估系统被认为是未来河流评估的主要焦点。但是，关于韩国淡水生态区类型差异的资料还很缺乏。我们的目的是根据河流的大小和高度对河流类型进行分类。分析了2008年至2015年在韩国全国范围内1020个地点（即13366个样本）收集的物理环境变量与底栖大型无脊椎动物之间的关系，我们共分类了五种韩国流类型。根据河流的顺序和宽度将所有河流分为可涉水和不可涉水。可涉水溪流根据海拔高度分为山地、高原和低地可涉水溪流。不可涉水溪流按宽度分为低地不可涉水溪流和河流。山地和高原河流与海拔高度显著相关，而其他河流与河流顺序和宽度显著相关。我们选择了25种对河流大小和海拔高度敏感的指示物种。这些评估将为未来基于河流类型学的生物河流评估系统的发展提供初步信息。
Type-specific stream assessment systems based on biotic indicators are considered a main focus of future stream assessment in many European countries. However, there is a lack of information on type-specific differences of freshwater eco-regions in South Korea. We aimed to classify the stream types characterized by stream size and altitude. Analyzing the relationship between physical environmental variables and benthic macroinvertebrates collected between 2008 and 2015 at 1,020 sites (i.e. 13,366 samples) on a national scale in South Korea, we classified a total of five Korean stream types. All streams were divided into wadeable and non-wadeable streams using stream order and width. Wadeable streams were classified as mountain, highland, or lowland wadeable streams based on altitude. Non-wadeable streams were divided into lowland non-wadeable streams or rivers based on width. Mountain and highland streams significantly correlated with altitude, whereas others were distinctly related to stream order and width. We selected 25 indicator species sensitive to stream size and altitude. These assessments will provide preliminary information for development of a future biotic stream assessment system based on stream typology.